Sony CFS-B5LMK2 Service Manual

Model Name Using Similar Mechanism NEW Tape Transport Mechanism Type MF-B5MK2-117 SERVICE MANUAL East European Model CFS-B5LMK2 RADIO CASSETTE-CORDER MICROFILM Frequency range FM: 65.0 - 108 MHz MW: 531 - 1,602 kHz LW: 153 - 279 kHz SW: 5.95 - 18 MHz Aerials FM/SW: Telescopic antenna MW/LW: Built-in ferrite bar Recording system 4-track, 2-channel stereo Frequency response 70 - 10,000 Hz Speakers Full range: 10 cm (4 inches) dia., 2.8 ohms cone type × 2 Output Headphones jack (stereo minijack), for 16 - 68 ohms impedance headphones Maximum power output 2.5 W + 2.5 W SPECIFICATIONS Battery life FM recording Sony R20P: approx. 16 hours Sony LR20 alkaline: approx. 36 hours Playback Sony R20P: approx. 8 hours Sony LR20 alkaline: approx. 21 hours Power requirements 230 V AC, 50 Hz 9 V DC, six R20 (size D) batteries Power consumption AC 14 W Dimensions Approx. 500 × 155 × 164 mm (w/h/d) (19 3/4 × 6 1/8 × 6 1/2 inches) incl. projecting parts and controls, not incl. handle Mass Approx. 2.7 kg (5 lb. 15 oz.) not incl. batteries Supplied accessory Mains lead (1) Design and specifications are subject to change without notice. Ver 1.0 1999. 05

TABLE OF CONTENTS 1. GENERAL Location of Controls................................................................ 3 Listening to the Radio ............................................................. 3 Playing a Tape ......................................................................... 3 Recording ................................................................................ 4 Choosing Power Sources ......................................................... 4 2. DISASSEMBLY 2-1. Cabinet (Front) Sub Assy (B).............................................. 5 2-2. Chassis (Tune) ..................................................................... 5 2-3. Tape Mechanism Block ....................................................... 6 2-4. Tuner, AC, Second Board .................................................... 6 2-5. Audio, Microphone, ISS Board ........................................... 7 2-6. Dial Pointer Setting ............................................................. 7 3. MECHANICAL ADJUSTMENTS ................................. 8 4. ELECTRICAL ADJUSTMENTS 4-1. Tape Recorder Section ........................................................ 8 4-2. Tuner Section ...................................................................... 9 5. DIAGRAMS 5-1. Block Diagram .................................................................. 11 5-2. Circuit Boards Location .................................................... 13 5-3. Printed Wiring Board –Tuner Section– ............................. 14 5-4. Schematic Diagram –Tuner Section– ................................ 15 5-5. Printed Wiring Boards –Main Section– ............................ 17 5-6. Schematic Diagram –Main Section–................................. 19 6. EXPLODED VIEWS 6-1. Cabinet (Front) Section ..................................................... 21 6-2. Cabinet (Rear) Section ...................................................... 22 6-3. Tape Mechanism Deck Section (1) ................................... 23 6-4. Tape Mechanism Deck Section (2) ................................... 24 7. ELECTRICAL PARTS LIST......................................... 25 SAFETY-RELATED COMPONENT WARNING!! COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

• The equipment can be removed using the following procedure. Set / Cabinet (front) sub assy (B) / Chassis (TUNE) / Tape mechanism block / Tuner, AC, Second board / Audio, Microphone, ISS board Note : Follow the disassembly procedure in the numerical order given. 2-1. CABINET (FRONT) SUB ASSY (B) SECTION 2 DISASSEMBLY 2-2. CHASSIS (TUNE) 2 BVTP 3x12 3 BVTP 3x16 4 BVTP 3x12 5 BVTP 3x12 6 CN912 7 cabinet (front) sub assy (B) 1 lid, battery case 4 chassis (TUNE) 1 knob (TUNE) 2 knob (FUNCTION) 3 BVTP 3x10

2-3. TAPE MECHANISM BLOCK 2-4. TUNER, AC, SECOND BOARD 1 BVTP 3x10 2 CN301 4 tape mechanism block 3 CN601 2 BVTP 3x10 4 CN1 7 CN901 6 CN911 5 TUNER board 0 AC board !¡ SECOND board 3 BVTP 3x10 8 BVTP 3x10 9 BVTP 3x10 1 knob (FINE)

2-6. DIAL POINTER SETTING 2-5. AUDIO, MICROPHONE, ISS BOARD 2 knob (TONE) 3 chassis (MD) 9 lever (FUNCTION) !¡ tapping screw (3x12) !™ lSS board 4 BVTP 3x10 6 MICROPHONE board 5 SUPPORT board 7 BVTP 3x10 8 AUDIO board 0 CN341 1 knob (VOL) 2 Set the pointer to the center of scratched lines. 3 Set the chassis (TUNE). 4 BVTP 3x10 1 Turn gear (VC) counterclockwise to the end. pointer

0000 2 jack (J301) digital frequency counter set 32 Ω test tape WS-48A (3 kHz, 0 dB) PRECAUTION 1. Clean the following parts with a denatured alcohol-moistened swab : record/playback head pinch roller erase head rubber belts capstan idlers 2. Demagnetize the record/playback head with a head demagne- tizer. (Do not bring the head demagnetizer close to the erase head.) 3. Do not use a magnetized screwdriver for the adjustments. 4. After the adjustments, apply suitable locking compound to the parts adjusted. 5. The adjustments should be performed with the rated power supply voltage unless otherwise noted. Torque Measurement Mode Torque meter Meter reading Forward CQ-102C 25 – 60 g • cm (0.35 – 0.83 oz • inch) Forward CQ-102C 1 – 5 g • cm back tension (0.014 – 0.069 oz • inch) Fast CQ-201B 55 – 140 g • cm Forward (0.76 – 1.94 oz • inch) Rewind CQ-201B 55 – 140 g • cm (0.76 – 1.94 oz • inch) Tape Tension Measurement Mode Tension meter Meter reading Forward CQ-403A more than 170 g (more than 6.00 oz) SECTION 4 ELECTRICAL ADJUSTMENTS SECTION 3 MECHANICAL ADJUSTMENTS 4-1. TAPE RECORDER SECTION 0 dB = 0.775 V Standard Output Level Output terminal HP OUT load impedance 32 Ω output signal level 0.25 V (–10 dB) Test Tape Type Signal Used for WS-48A 3 kHz, 0 dB tape speed adjustment P-4-A063 6.3 kHz, –10 dB head azimuth adjustment Tape Speed Adjustment Procedure: Mode: playback Adjust so that the value on the digital frequency counter is 3,000 Hz. Specification Value: Digital frequency counter 2,970 – 3,030 Hz Adjust so that the frequency at the beginning and that at the end of tape winding are between 2,955 to 3,045 Hz. Adjustment Location: tape speed adjustment control inside motor

4-2. TUNER SECTION 0 dB = 1 µV • FM Section Setting: BAND switch: FM 22.5 kHz frequency deviation by 400 Hz signal output level : as low as possible • MW/LW Section Setting: BAND switch: MW or LW 30% amplitude modulation by 400 Hz signal output level : as low as possible • SW Section Setting: BAND switch: SW FINE TUNE control: mechanical mid FM FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter. L2 CT2 64 MHz 109.5 MHz FM TRACKING ADJUSTMENT Adjust for a maximum reading on level meter. L1 CT1 64 MHz 109.5 MHz FM IF ADJUSTMENT T1 10.7 MHz MW TRACKING ADJUSTMENT Adjust for a maximum reading on level meter. L3-1 CT3 620 kHz 1,400 kHz MW FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter. L8 CT4 520 kHz 1,680 kHz AM IF ADJUSTMENT Adjust for a maximum reading on level meter. T2 455 kHz LW FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter. L4 CT8 145 kHz 300 kHz LW TRACKING ADJUSTMENT Adjust for a maximum reading on level meter. L3-2 CT7 160 kHz 260 kHz SW FREQUENCY COVERAGE ADJUSTMENT Adjust for a maximum reading on level meter. L6 CT6 5.8 MHz 18.4 MHz SW TRACKING ADJUSTMENT Adjust for a maximum reading on level meter. L5 CT5 5.9 MHz 18.2 MHz Adjustment Location: See page 10. FM RF signal generator telescopic antenna input set 0.01 µF Put the lead-wire antenna close to the set. AM RF signal generator 30% amplitude modulation by 400 Hz signal output level : as low as possible AM RF signal generator telescopic antenna input set 11 PF • Repeat the procedures in each adjustment several times, and the frequency coverage and tracking adjustments should be finally done by the trimmer capacitors. • Remove telescopic antenna in FM section adjustments. 2 jack (J301) set 32 Ω level meter (range: 0.5 – 5 V ac)

FM VCO Adjustment Setting: Procedure: 1. Adjust RV1 so that the reading on the frequency counter becomes in 76.0 kHz ± 50 Hz. Adjustment Location: tuner board Modulation: no modulation Output level: 0.1 V (100 dB) FM RF SSG telescopic antenna input 0.001 µF Adjustment Location: –tuner board (component side)– FM VCO Adjustment RV1 FM FREQUENCY COVERAGE Adjustment MW FREQUENCY COVERAGE Adjustment LW FREQUENCY COVERAGE Adjustment SW FREQUENCY COVERAGE Adjustment SW TRACKING Adjustment LW TRACKING Adjustment MW TRACKING Adjustment FM TRACKING Adjustment T2 AM IF Adjustment FM IF Adjustment T1 L2 CT2 CT4 L8 CT6 L6 CT8 L4 CT5 L5 L3-2 CT7 L3-1 CT1 L1 CT3 TELESCOPIC ANTENNA INPUT IC1 7 FM VCO Adjustment frequency counter 0.01 µF 33 kΩ 1 15 –tuner board (conductor side)–

– 12 – SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAM 7 2 11 15 17 + + 1 8 16 13 5 18 LINE LINE SW V REG TU TU BIAS OSC Q340 FINE TUNE CONTROL Q2 BIAS OSC Q341 BPF FL1 MUTE Q151 MUTE DRIVE Q351 T301 BIAS OSC T2 CT1 CT2 CV2 CV1 L2 FM OSC L-CH HRP101 REC/PB HEAD HE101 ERASE HEAD R-CH R-CH FM OSC FM MIX AM MIX AM OSC FM IN AM IN FM RF FM OSC FM DESCRI REG OUT VCO AM OSC ANT1 FM/SW TELESCOPIC ANTENNA 22 26 21 27 MPX REG FE OUT FM IF IN AM IF IN 28 20 18 19 24 M CF1 16 13 14 15 5 7 6 FM DET AM DET BUFFER REG FM MPX MUTE BAND SELECT VCC FM/SW/MW/LW FRONT-END, IF DET, FM STEREO DEMODULATOR IC1 R-CH R-CH R-CH RV1 FM VCO PRE AMP IC301 REG Q951 +9V CF2 AM IF Q1 10 1 POWER AMP IC305 J901 AC IN T901 POWER TRANSFORMER SP901 SPEAKER L-CH SP902 SPEAKER R-CH 04 • Signal path • R-ch : same as L-ch. : FM/SW : MW/LW : PB : REC CV1, 2 TUNE CV4 TUNE CV3 TUNE RV2 FINE TUNE T1 FM IF CT2,L2 FM FREQUENCY COVERAGE CT1,L1 FM TRACKING CT5, L5 SW TRACKING CT3, L3-1 MW TRACKING T2 AM IF R-CH +9V D901 D901-904 RECT D902 D903 D904 DRY BATTERY SIZE "D" (IEC DESIGNATION R20) 6PCS, 9V MIC301 MIC S303 ISS 1 2 S301-3 (REC/PB) PB REC S301-1 (REC/PB) PB REC S301-4 (REC/PB) PB REC R-CH R-CH PB IN PB IN REC REC MIC MEGA BASS RV353-1 (L-CH) HYPER TREBLE RV352-1 (L-CH) VOLUME RV351-1 (L-CH) S302-2 FUNCTION TAPE (RADIO OFF) RADIO S302-1 FUNCTION TAPE (RADIO OFF) RADIO D911 OPR/BATT +9V +9V S902 (POWER) M901 MOTOR S1-6 BAND LW MW SW FM S1-3 BAND LW MW SW FM S1-8 BAND LW MW SW FM S1-7 BAND FM SW MW LW S1-5 BAND FM SW MW LW S1-1 BAND LW MW SW FM S1 BAND S1-2 LW MW SW FM S1-4 LW MW SW FM +4V D3 CT8 L4 LW OSC CT7 CT5 L3-2 LW L5 SW ANT CT3 L3-1 MW CT6 L6 SW OSC CT4 L8 MW OSC CT6, L6 SW FREQUENCY COVERAGE L3 MW/LW FERRITE-ROD ANTENNA L1 FM RF J301 2 CT4, L8 MW FREQUENCY COVERAGE CT8, L4 LW FREQUENCY COVERAGE CT7, L3-2 LW TRACKING CFS-B5LM

– 14 – 5-2. CIRCUIT BOARDS LOCATION SECOND board ISS board MICROPHONE board SUPPORT board TUNER board AC board BATTERY board AUDIO board • IC Block Diagram IC1 CXA1538S 30 29 4 3 2 1 28 27 26 25 24 23 22 21 20 19 18 17 16 VCO MPX REG. REG FM FRONT-END AM FRONT-END 1/2 COUNTER 1/2 COUNTER 5 6 7 8 9 10 11 12 13 14 15 MONO/ST SELECT DECORD AMP RIPPLE FILTER MUTING PD 1 PD 2 AUTOBLEND BAND PASS MUTE TUNING INDICATOR AM IF/DET FM IF/ DISCRI GND PLL LPF2 MPX REG VCO MUTE AM OSC AFC FM OSC REG OUT FM RF AM RF IN FM RF IN FE GND FM/AM FE OUT FM DISCRI BAND SELECT AM IF IN FM IF IN TUNED IND GND AFC/AGC 2 AFC/AGC 1 VCC LCH OUT RCH OUT PLL LPF 1 PILOT DET LPF 1 PILOT DET LPF 2 ST IND/ VCC CHECK RIPPLE FILTER 5-3. PRINTED WIRING BOARD — TUNER SECTION — Note: • X : parts extracted from the component side. • b : Pattern from the side which enables seeing. D1 B-5 D2 B-5 D3 B-2 IC1 C-3 Q1 B-2 Q2 D-4 • Semiconductor Location Ref. No. Location (Page 17)

– 16 – 5-4. SCHEMATIC DIAGRAM — TUNER SECTION — • Refer to page 13 for IC Block Diagram. CFS-B5LM (Page 20) Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. • All resistors are in Ω and 1/4 W or less unless otherwise specified. • ¢ : internal component. • C : panel designation. • U : B+ Line. • H : adjustment for repair. • Power voltage is dc 9 V and fed with regulated dc power supply from battery terminal. • Voltage is dc with respect to ground under no-signal (detuned) condition. no mark : FM ( ) : MW/LW, SW • Voltages are taken with a VOM (Input impedance 10 MΩ). Voltage variations may be noted due to normal produc- tion tolerances. • Signal path. F : FM/SW f : MW/LW

CFS-B5LMK2 – 17 – – 18 – Note: • X : parts extracted from the component side. • b : Pattern from the side which enables seeing. • Semiconductor Location Ref. No. Location D351 E-1 D352 F-1 D353 F-2 D901 F-9 D902 F-8 D903 F-10 D904 F-9 D911 A-2 IC301 E-3 IC305 E-5 Q151 D-4 Q251 D-4 Q340 F-5 Q341 F-2 Q351 E-1 Q951 F-2 (Page 14)

– 20 – 5-6. SCHEMATIC DIAGRAM — MAIN SECTION — CFS-B5LM Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums. • C : panel designation. Note: The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. • U : B+ Line. • Total current is measured with no cassette installed. • Power voltage is dc 9 V and fed with regulated dc power supply from battery terminal. • Voltage and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : FM < > : PB << >> : REC • Voltages are taken with a VOM (Input impedance 10 MΩ). Voltage variations may be noted due to normal produc- tion tolerances. • Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal produc- tion tolerances. • Circled numbers refer to waveforms. • Signal path. F : FM E : PB a : REC (Page 16) T301 • Waveform (MODE:REC) 1 35Vp-p 15mS

– 22 – SECTION 6 EXPLODED VIEWS NOTE: • The mechanical parts with no reference number in the exploded views are not supplied. • Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. • -XX and -X mean standardized parts, so they may have some difference from the original one. • Color Indication of Appearance Parts Example : KNOB, BALANCE (WHITE) ... (RED) Parts Color Cabinet’s Color Ref. No. Part No. Description Remark 6-1. CABINET (FRONT) SECTION N N Ref. No. Part No. Description Remark • Accessories and packing materials and hardware (# mark) list are given in the last of this parts list. 1 X-3375-698-1 CABINET (FRONT) SUB ASSY (B) 2 3-025-531-01 LID, CASSETTE 3 3-025-552-01 WINDOW (CASSETTE) 4 3-025-555-01 SPRING (CASSETTE) 5 3-922-112-31 DAMPER 6 3-917-646-01 LID, BATTERY CASE !7 1-769-412-11 CORD, POWER SP901 1-505-955-11 SPEAKER (10cm) (L-CH) SP902 1-505-955-11 SPEAKER (10cm) (R-CH) The components identified by mark ! or dotted line with mark. ! are critical for safety. Replace only with part number specified. 5 4 1 6 7 #2 #1 #1 #1 SP901 not supplied #1 #2 #2 #2 #1 SP902 #1 #3 2 3 6-2. CABINET (REAR) SECTION Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark The components identified by mark ! or dotted line with mark. ! are critical for safety. Replace only with part number specified. 51 3-025-530-01 POINTER 52 3-025-529-01 CHASSIS (TUNE) 53 3-025-545-01 SHAFT (TUNE) 54 3-025-560-01 SPRING (TU) 55 3-025-546-01 SHAFT (FUNCTION) 56 3-025-556-01 SPRING, REC 57 3-025-534-01 BUTTON (REC) 58 3-025-537-01 BUTTON (PLAY) 59 3-025-536-01 BUTTON (REW) 60 3-025-535-01 BUTTON (FF) 61 3-025-538-01 BUTTON (STOP) 62 3-025-533-01 BUTTON (PAUSE) * 63 1-670-175-11 AC BOARD * 64 1-670-173-21 SECOND BOARD * 65 A-3321-332-A AUDIO BOARD, COMPLETE 66 3-025-541-01 LEVER (FUNCTION) * 67 3-025-550-01 CHASSIS (MD) * 68 1-670-172-21 BATTERY BOARD 69 3-025-557-01 TERMINAL (–), BATTERY 70 3-025-548-01 HANDLE (SIDE) 71 3-025-549-01 HANDLE (C) 72 3-025-539-01 KNOB (VOL) 73 3-025-540-01 KNOB (TONE) 74 3-025-542-01 KNOB (FUNCTION) 75 3-025-544-01 KNOB (FINE) 76 3-029-701-01 SPRING (+–), TERMINAL COIL 77 3-025-543-01 KNOB (TUNE) 78 3-025-528-01 CABINET (REAR) * 79 A-3321-335-A TUNER BOARD, COMPLETE 80 3-025-547-01 GEAR (VC) 81 3-025-559-01 TERMINAL, ANTENNA 82 3-025-551-01 CAP (FUNCTION) * 83 1-670-176-11 SUPPORT BOARD * 84 1-670-174-21 MICROPHONE BOARD * 85 3-911-281-01 CUSHION, MIC * 86 1-670-177-11 ISS BOARD ANT1 1-501-918-21 ANTENNA, TELESCOPIC MIC301 1-542-118-11 MICROPHONE, ELECTRET CONDENSER (MIC) !T901 1-431-917-11 TRANSFORMER, POWER ANT1 T901 #5 #1 #1 #1 #1 #1 #1 #1 MIC301 #7 #6 #1 #1 #1 not supplied MF-B5MK2-117 #1 #4 #1 #9 #2 64 63 65 66 86 55 56 57 58 59 60 62 61 52 51 53 54 84 85 83 82 67 72 73 70 70 75 74 76 77 78 79 80 81 71 69 68 A A

6-3. TAPE MECHANISM DECK SECTION (1) (MF-B5MK2-117) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 101 3-933-010-01 SPRING (S/P), TORSION 102 3-933-025-01 SPRING (P), TORSION 103 3-933-026-01 LEVER (P) 104 3-933-024-01 ROLLER, PINCH 105 3-933-019-01 SPRING (F/R), TORSION 106 3-933-028-01 SPRING (FWD), TORSION 107 3-933-016-01 GEAR (S REEL) 108 3-008-590-01 SLIDER (REC) 109 3-008-592-01 BASE (H), HEAD * 110 3-008-588-01 SLIDER (REW) * 111 3-008-589-13 SLIDER (FF) * 112 3-008-587-01 SLIDER (STOP) * 113 3-008-591-01 SLIDER (PAUSE) 114 3-933-004-01 CLAW, REEL * 115 3-933-021-01 SLIDER (FRP) * 116 3-933-006-01 SLIDER (EJECT) 117 3-934-833-01 SPRING (FRP) 118 3-022-794-02 SPRING (BT) 119 3-933-007-01 PLATE, LOCK * 120 3-012-114-01 LEVER (FR) HE101 1-543-876-11 HEAD (ERASE) HRP101 1-500-454-11 HEAD, MAGNETIC (RECORD/PLAYBACK) 101 102 103 104 105 106 107 108 109 110 120 111 112 113 114 115 116 117 118 119 HRP101 HE101

6-4. TAPE MECHANISM DECK SECTION (2) (MF-B5MK2-117) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 151 3-933-029-01 LEVER, ERASING PREVENTION 152 3-933-182-01 SPRING, CASSETTE 153 3-932-995-01 GEAR (MID) 154 X-3371-667-1 CLUTCH ASSY 155 3-932-997-01 GEAR (CAM) * 156 3-932-999-01 SLIDER (SW) 157 3-932-998-01 SPRING (GROUND), TORSION 158 3-009-648-01 LEVER (S.OFF) 159 3-939-383-02 SPRING, COMPRESSION 160 3-009-650-02 SPRING (K), COMPRESSION 161 3-936-438-01 LEVER (K) 162 X-3373-572-1 REEL ASSY (N), T 163 3-933-020-01 BELT 164 X-3372-924-1 FLYWHEEL ASSY 165 3-932-993-01 CHASSIS, OUTSERT 166 3-937-760-01 SPRING (GROUND), COMPRESSION 167 3-343-358-01 RING, RETAINING 168 3-933-005-01 SPRING (CAM), COMPRESSION 169 3-016-349-01 WASHER 170 3-934-336-01 BEARING M901 A-3320-446-A MOTOR ASSY S902 1-762-679-11 SWITCH, LEAF (POWER) 157 156 155 154 153 M901 S902 #8 158 160 161 162 159 163 164 170 165 166 168 167 169 151 152

SECTION 7 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set. • -XX and -X mean standardized parts, so they may have some difference from the original one. • RESISTORS All resistors are in ohms. METAL:Metal-film resistor. METAL OXIDE: Metal oxide-film resistor. F:nonflammable • Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. • SEMICONDUCTORS In each case, u : µ, for example: uA.. : µA.. uPA.. : µPA.. uPB.. : µPB.. uPC.. : µPC.. uPD.. : µPD.. • CAPACITORS uF : µF • COILS uH : µH Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark The components identified by mark ! or dotted line with mark. ! are critical for safety. Replace only with part number specified. When indicating parts by reference number, please include the board. * 1-670-175-11 AC BOARD ********* < CAPACITOR > C909 1-162-294-31 CERAMIC 0.001uF 10% 50V < CONNECTOR > * CN901 1-691-573-11 PIN, CONNECTOR (PC BOARD) 2P < AC INLET > !J901 1-526-838-11 INLET, AC 2P (⁄ AC IN) ************************************************************* * A-3321-332-A AUDIO BOARD, COMPLETE ********************** 3-025-541-01 LEVER (FUNCTION) < CAPACITOR > C101 1-124-903-11 ELECT 1uF 20% 50V C102 1-162-294-31 CERAMIC 0.001uF 10% 50V C103 1-124-443-00 ELECT 100uF 20% 10V C104 1-162-843-11 CERAMIC 0.022uF 10% 16V C105 1-162-302-11 CERAMIC 0.0022uF 20% 16V C111 1-126-956-11 ELECT 0.1uF 20% 50V C115 1-124-252-00 ELECT 0.33uF 20% 50V C116 1-162-306-11 CERAMIC 0.01uF 30% 16V C151 1-136-160-00 FILM 0.039uF 5% 50V C152 1-136-165-00 FILM 0.1uF 5% 50V C191 1-124-473-11 ELECT 1000uF 20% 10V C197 1-136-165-00 FILM 0.1uF 5% 50V C201 1-124-903-11 ELECT 1uF 20% 50V C202 1-162-294-31 CERAMIC 0.001uF 10% 50V C203 1-124-443-00 ELECT 100uF 20% 10V C204 1-162-843-11 CERAMIC 0.022uF 10% 16V C205 1-162-302-11 CERAMIC 0.0022uF 20% 16V C211 1-126-956-11 ELECT 0.1uF 20% 50V C215 1-124-252-00 ELECT 0.33uF 20% 50V C216 1-162-306-11 CERAMIC 0.01uF 30% 16V C251 1-136-160-00 FILM 0.039uF 5% 50V C252 1-136-165-00 FILM 0.1uF 5% 50V C291 1-124-473-11 ELECT 1000uF 20% 10V C297 1-136-165-00 FILM 0.1uF 5% 50V C301 1-126-941-11 ELECT 470uF 20% 16V C302 1-104-664-11 ELECT 47uF 20% 10V C304 1-162-294-31 CERAMIC 0.001uF 10% 50V C306 1-124-907-11 ELECT 10uF 20% 50V C311 1-161-494-00 CERAMIC 0.022uF 25V C312 1-161-494-00 CERAMIC 0.022uF 25V C315 1-124-907-11 ELECT 10uF 20% 50V C340 1-162-294-31 CERAMIC 0.001uF 10% 50V C342 1-130-481-00 MYLAR 0.0068uF 5% 50V C344 1-104-664-11 ELECT 47uF 20% 10V C351 1-124-907-11 ELECT 10uF 20% 50V C352 1-126-233-11 ELECT 22uF 20% 50V C353 1-124-443-00 ELECT 100uF 20% 10V C391 1-104-666-11 ELECT 220uF 20% 10V C392 1-162-294-31 CERAMIC 0.001uF 10% 50V C393 1-126-961-11 ELECT 2.2uF 20% 50V C394 1-162-294-31 CERAMIC 0.001uF 10% 50V C395 1-162-294-31 CERAMIC 0.001uF 10% 50V C396 1-124-902-00 ELECT 0.47uF 20% 50V C910 1-126-944-11 ELECT 3300uF 20% 16V C911 1-162-294-31 CERAMIC 0.001uF 10% 50V C914 1-136-683-11 FILM 0.0056uF 5% 100V C951 1-162-306-11 CERAMIC 0.01uF 30% 16V C952 1-104-664-11 ELECT 47uF 20% 10V C953 1-162-306-11 CERAMIC 0.01uF 30% 16V < CONNECTOR > CN301 1-506-986-11 PIN, CONNECTOR (PC BOARD) 4P * CN305 1-568-271-11 SOCKET, CONNECTOR 5P * CN311 1-573-287-11 HOLDER, CABLE 2P * CN341 1-691-574-11 PIN, CONNECTOR (PC BOARD) 3P CN601 1-506-986-11 PIN, CONNECTOR (PC BOARD) 4P * CN911 1-691-573-11 PIN, CONNECTOR (PC BOARD) 2P CN912 1-506-986-11 PIN, CONNECTOR (PC BOARD) 4P * CN913 1-573-287-11 HOLDER, CABLE 2P < DIODE > D351 8-719-911-19 DIODE 1SS133T-72 D352 8-719-123-54 DIODE RD5.6ES-T2B D353 8-719-911-19 DIODE 1SS133T-72 < IC > IC301 8-759-978-54 IC BA3420AL IC305 8-759-543-56 IC LA4601N AC AUDIO

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < JACK > J301 1-566-891-11 JACK (2) < COIL > L101 1-410-324-11 INDUCTOR 4.7uH L201 1-410-324-11 INDUCTOR 4.7uH < TRANSISTOR > Q151 8-729-036-80 TRANSISTOR KRC110M-AT Q251 8-729-036-80 TRANSISTOR KRC110M-AT Q340 8-729-036-89 TRANSISTOR KTC3198GR-A Q341 8-729-037-34 TRANSISTOR KRA107M-AT Q351 8-729-037-34 TRANSISTOR KRA107M-AT Q951 8-729-036-89 TRANSISTOR KTC3198GR-A < RESISTOR > R101 1-249-417-11 CARBON 1K 5% 1/4W R102 1-249-427-11 CARBON 6.8K 5% 1/4W R103 1-249-401-11 CARBON 47 5% 1/4W R104 1-249-437-11 CARBON 47K 5% 1/4W R105 1-249-429-11 CARBON 10K 5% 1/4W R111 1-249-433-11 CARBON 22K 5% 1/4W R112 1-249-417-11 CARBON 1K 5% 1/4W R113 1-249-417-11 CARBON 1K 5% 1/4W R115 1-249-429-11 CARBON 10K 5% 1/4W R117 1-249-425-11 CARBON 4.7K 5% 1/4W R118 1-247-843-11 CARBON 3.3K 5% 1/4W R150 1-249-421-11 CARBON 2.2K 5% 1/4W R191 1-247-807-11 CARBON 100 5% 1/4W R196 1-249-417-11 CARBON 1K 5% 1/4W R201 1-249-417-11 CARBON 1K 5% 1/4W R202 1-249-427-11 CARBON 6.8K 5% 1/4W R203 1-249-401-11 CARBON 47 5% 1/4W R204 1-249-437-11 CARBON 47K 5% 1/4W R205 1-249-429-11 CARBON 10K 5% 1/4W R211 1-249-433-11 CARBON 22K 5% 1/4W R212 1-249-417-11 CARBON 1K 5% 1/4W R213 1-249-417-11 CARBON 1K 5% 1/4W R215 1-249-429-11 CARBON 10K 5% 1/4W R217 1-249-425-11 CARBON 4.7K 5% 1/4W R218 1-247-843-11 CARBON 3.3K 5% 1/4W R250 1-249-421-11 CARBON 2.2K 5% 1/4W R291 1-247-807-11 CARBON 100 5% 1/4W R296 1-249-417-11 CARBON 1K 5% 1/4W R301 1-249-407-11 CARBON 150 5% 1/4W R306 1-249-433-11 CARBON 22K 5% 1/4W R311 1-249-429-11 CARBON 10K 5% 1/4W R314 1-249-417-11 CARBON 1K 5% 1/4W R315 1-249-421-11 CARBON 2.2K 5% 1/4W R341 1-249-393-11 CARBON 10 5% 1/4W R342 1-249-435-11 CARBON 33K 5% 1/4W R345 1-249-398-11 CARBON 27 5% 1/4W R349 1-249-425-11 CARBON 4.7K 5% 1/4W R351 1-249-417-11 CARBON 1K 5% 1/4W R352 1-249-417-11 CARBON 1K 5% 1/4W R353 1-249-437-11 CARBON 47K 5% 1/4W R355 1-249-441-11 CARBON 100K 5% 1/4W R391 1-247-843-11 CARBON 3.3K 5% 1/4W R911 1-249-417-11 CARBON 1K 5% 1/4W R912 1-249-411-11 CARBON 330 5% 1/4W < VARIABLE RESISTOR > RV351 1-225-638-11 RES, VAR, CARBON 20K/20K (VOLUME) RV352 1-225-639-11 RES, VAR, CARBON 20K/20K (HYPER TREBLE) RV353 1-225-640-11 RES, VAR, CARBON 100K/100K (MEGA BASS) < SWITCH > S301 1-571-472-11 SWITCH, SLIDE (REC/PB) S302 1-570-729-11 SWITCH, LEVER SLIDE (FUNCTION) < TRANSFORMER > T301 1-433-268-00 TRANSFORMER, BIAS OSCILLATOR ************************************************************* * 1-670-172-21 BATTERY BOARD ************** 3-025-557-01 TERMINAL (–), BATTERY ************************************************************* * 1-670-177-11 ISS BOARD ********** < CAPACITOR > C345 1-162-301-11 CERAMIC 0.0015uF 20% 16V < SWITCH > S303 1-771-370-11 SWITCH, SLIDE (ISS) ************************************************************* * 1-670-174-21 MICROPHONE BOARD ****************** * 3-911-281-01 CUSHION, MIC < CAPACITOR > C316 1-162-282-31 CERAMIC 100PF 10% 50V < DIODE > D911 8-719-059-97 LED L-34HD (OPR/BATT) < MICROPHONE > MIC301 1-542-118-11 MICROPHONE, ELECTRET CONDENSER (MIC) ************************************************************* AUDIO MICROPHONE BATTERY ISS

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 1-670-173-21 SECOND BOARD ************** < CAPACITOR > C901 1-101-005-00 CERAMIC 22000PF 50V C902 1-101-005-00 CERAMIC 22000PF 50V C903 1-101-005-00 CERAMIC 22000PF 50V C904 1-101-005-00 CERAMIC 22000PF 50V C905 1-136-165-00 FILM 0.1uF 5% 50V C906 1-136-165-00 FILM 0.1uF 5% 50V < DIODE > D901 8-719-063-79 DIODE 1N4002B D902 8-719-063-79 DIODE 1N4002B D903 8-719-063-79 DIODE 1N4002B D904 8-719-063-79 DIODE 1N4002B < RESISTOR > R919 1-249-421-11 CARBON 2.2K 5% 1/4W ************************************************************* * 1-670-176-11 SUPPORT BOARD *************** ************************************************************* * A-3321-335-A TUNER BOARD, COMPLETE ********************** 3-025-547-01 GEAR (VC) 3-025-551-01 CAP (FUNCTION) 7-621-770-67 SCREW +B 2.6X6 < CAPACITOR > C1 1-162-306-11 CERAMIC 0.01uF 30% 16V C3 1-162-306-11 CERAMIC 0.01uF 30% 16V C4 1-104-664-11 ELECT 47uF 20% 10V C6 1-162-191-31 CERAMIC 2.2PF 10% 50V C8 1-102-945-00 CERAMIC 8PF 0.5PF 50V C10 1-162-196-31 CERAMIC 5.6PF 10% 50V C11 1-162-306-11 CERAMIC 0.01uF 30% 16V C14 1-162-282-31 CERAMIC 100PF 10% 50V C15 1-126-963-11 ELECT 4.7uF 20% 50V C16 1-124-903-11 ELECT 1uF 20% 50V C17 1-124-907-11 ELECT 10uF 20% 50V C18 1-124-907-11 ELECT 10uF 20% 50V C19 1-162-306-11 CERAMIC 0.01uF 30% 16V C20 1-124-903-11 ELECT 1uF 20% 50V C21 1-126-961-11 ELECT 2.2uF 20% 50V C22 1-124-443-00 ELECT 100uF 20% 10V C23 1-124-902-00 ELECT 0.47uF 20% 50V C24 1-126-963-11 ELECT 4.7uF 20% 50V C25 1-126-956-11 ELECT 0.1uF 20% 50V C26 1-162-203-31 CERAMIC 15PF 5% 50V C27 1-161-050-00 CERAMIC 0.0082uF 10% 16V C28 1-161-050-00 CERAMIC 0.0082uF 10% 16V C29 1-162-282-31 CERAMIC 100PF 10% 50V C30 1-162-282-31 CERAMIC 100PF 10% 50V C32 1-162-195-31 CERAMIC 4.7PF 10% 50V C33 1-162-211-31 CERAMIC 33PF 5% 50V C35 1-162-282-31 CERAMIC 100PF 10% 50V C36 1-102-945-00 CERAMIC 8PF 0.5PF 50V C38 1-162-202-31 CERAMIC 13PF 5% 50V C39 1-104-729-11 FILM 180PF 5% 100V C40 1-136-307-11 FILM 0.0043uF 5% 100V C41 1-136-355-11 FILM 330PF 5% 100V C42 1-104-731-11 FILM 270PF 5% 100V C45 1-162-294-31 CERAMIC 0.001uF 10% 50V C46 1-162-282-31 CERAMIC 100PF 10% 50V C47 1-162-282-31 CERAMIC 100PF 10% 50V C48 1-162-294-31 CERAMIC 0.001uF 10% 50V C50 1-162-282-31 CERAMIC 100PF 10% 50V C51 1-162-294-31 CERAMIC 0.001uF 10% 50V C52 1-162-202-31 CERAMIC 13PF 5% 50V C53 1-162-287-31 CERAMIC 270PF 10% 50V C71 1-162-306-11 CERAMIC 0.01uF 30% 16V < FILTER > CF1 1-760-738-61 FILTER, CERAMIC CF2 1-567-670-11 FILTER, CERAMIC < CONNECTOR > CN1 1-506-987-11 PIN, CONNECTOR (PC BOARD) 5P < VARIABLE CAPACITOR > CT1-4 1-151-710-11 CAP, VAR CV1-4 1-151-710-11 CAP, VAR (TUNE) < TRIMMER > CT5 1-141-486-11 CAP, ADJ 10PF CT6 1-141-486-11 CAP, ADJ 10PF CT7 1-141-260-00 CAP, TRIMMER 50PF CT8 1-141-260-00 CAP, TRIMMER 50PF < DIODE > D1 8-719-911-19 DIODE 1SS133T-72 D2 8-719-911-19 DIODE 1SS133T-72 D3 8-719-911-19 DIODE 1SS133T-72 < BPF > FL1 1-239-831-11 FILTER, BAND PASS < IC > IC1 8-752-050-20 IC CXA1538S TUNER SUPPORT SECOND

Sony Corporation Personal Audio Company 9-924-942-11 99E04075-1 Printed in Japan C1999. 5 Published by General Engineering Dept. CFS-B5LMK2 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < COIL > L1 1-416-838-11 COIL, AIR-CORE L2 1-416-851-11 COIL, AIR-CORE L3 1-754-001-21 ANTENNA, FERRITE-ROD (MW/LW) L4 1-406-252-11 COIL (OSC) L5 1-402-596-11 COIL (ANT) L6 1-406-280-11 COIL (OSC) L8 1-406-253-11 COIL (OSC) L9 1-410-750-41 INDUCTOR 0.47uH L11 1-414-140-11 INDUCTOR 0.68uH < TRANSISTOR > Q1 8-729-036-77 TRANSISTOR KRC107M-AT Q2 8-729-036-89 TRANSISTOR KTC3198GR-A < RESISTOR > R2 1-249-427-11 CARBON 6.8K 5% 1/4W R3 1-249-421-11 CARBON 2.2K 5% 1/4W R4 1-247-843-11 CARBON 3.3K 5% 1/4W R6 1-249-441-11 CARBON 100K 5% 1/4W R9 1-249-441-11 CARBON 100K 5% 1/4W R10 1-249-397-11 CARBON 22 5% 1/4W R11 1-249-427-11 CARBON 6.8K 5% 1/4W R12 1-249-427-11 CARBON 6.8K 5% 1/4W R14 1-249-429-11 CARBON 10K 5% 1/4W R15 1-247-887-00 CARBON 220K 5% 1/4W R16 1-247-887-00 CARBON 220K 5% 1/4W R17 1-249-421-11 CARBON 2.2K 5% 1/4W R30 1-249-417-11 CARBON 1K 5% 1/4W R31 1-247-854-11 CARBON 9.1K 5% 1/4W R32 1-249-441-11 CARBON 100K 5% 1/4W R33 1-249-415-11 CARBON 680 5% 1/4W < VARIABLE RESISTOR > RV1 1-228-995-00 RES, ADJ, METAL 22K RV2 1-225-637-11 RES, VAR, CARBON 100 (FINE TUNE) < SWITCH > S1 1-571-147-11 SWITCH, LEVER SLIDE (BAND) < TRANSFORMER > T1 1-409-944-11 COIL (DET) T2 1-406-952-11 TRANSFORMER, IF ************************************************************* MISCELLANEOUS *************** !7 1-769-412-11 CORD, POWER ANT1 1-501-918-21 ANTENNA, TELESCOPIC HE101 1-543-876-11 HEAD (ERASE) HRP101 1-500-454-11 HEAD, MAGNETIC (RECORD/PLAYBACK) MIC301 1-542-118-11 MICROPHONE, ELECTRET CONDENSER (MIC) S902 1-762-679-11 SWITCH, LEAF (POWER) SP901 1-505-955-11 SPEAKER (10cm) (L-CH) SP902 1-505-955-11 SPEAKER (10cm) (R-CH) !T901 1-431-917-11 TRANSFORMER, POWER ************************************************************* ACCESSORIES & PACKING MATERIALS ******************************** 3-862-811-11 MANUAL, INSTRUCTION (ENGLISH) 3-862-811-31 MANUAL, INSTRUCTION (RUSSIAN) ************************************************************* ************** HARDWARE LIST ************** #1 7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S #2 7-685-648-79 SCREW +BVTP 3X12 TYPE2 N-S #3 7-685-650-79 SCREW +BVTP 3X16 TYPE2 N-S #4 7-685-533-14 SCREW +BTP 2.6X6 TYPE2 N-S #5 7-685-248-19 SCREW +KTP 3X12 TYPE2 N-S #6 7-682-548-09 SCREW +B 3X8 #7 7-621-770-67 SCREW +B 2.6X6 #8 7-621-770-87 SCREW +B 2.6X5 #9 7-685-851-04 SCREW +BVTT 2X4 (S) TUNER The components identified by mark ! or dotted line with mark. ! are critical for safety. Replace only with part number specified.