Sharp 21HF2-SS Service Manual

21HF2-SS Service Manual CHAPTER 1. SPECIFICATIONS [1] SPECIFICATIONS Convergence .................................................................Self Convergence System Focus ............................................................................................ UNI-BI Focusing Sweep Deflection......................................................................................Magnetic Intermediate Frequencies Picture IF Carrier .................................................................................. 38.9MHz Sound IF Carrier Frequency 6.5MHz ................. ...

SETTING MODE (SECOND STAGE) EEPROM ITEMS FUNCTION OSD DATA LENGTH INITIAL DATA FIX/ADJ/AUTO REMARK TAKE-OFF-AV TAKEOFF/BPF OF CHROMA BPF F107 0(BPF)/1(TAKEOFF)/ 0 FIX PROCESSING AV TAKE-OFF-YUV TAKEOFF/BPF OF CHROMA BPF F108 0(BPF)/1(TAKEOFF) 0 FIX PROCESSING YUV C-ANGLE CHROMA MODULATION ANGLE F109 0 (103deg) / 1 (95deg) 1 FIX (103 DEG/ 95 DEG) 1(312/313H) STD-BY-WO- PICTURE BLACK LEVEL (BRIGHT) F110 0~255 255 FIX BUS SET UP BRIGHT CONTROL-POWER ON TO STDBY AC-FAIL-WO- PICTURE BLACK LEVEL (BRIGHT) F111 0~255 255 FIX BRIGHT CONTROL-AC FAILURE FORCED-SCM-KIL- FORCED SECAM COLOU ...

3. CONVERGENCE ADJUSTMENT No. Adjustment point Adjustment condition/procedure Waveform or others 1 CONVERGENCE ADJ. ( To be done after the purity adjust- ment.) 1. Receive the "Crosshatch Pattern" signal. 2. Using the remote controller, call NORMAL mode. Static convergence 1. Turn the 4-pole magnet to a proper opening an gle in order to superpose the blue and red colours. 2. Turn the 6-pole magnet to a proper opening angle in order to superpose the green colour over the blue and red colours. Dynamic convergence. 1. Adjust the convergence on the fringes of the scree ...

3. CONVERGENCE ADJUSTMENT No. Adjustment point Adjustment condition/procedure Waveform or others 1 CONVERGENCE ADJ. ( To be done after the purity adjust- ment.) 1. Receive the "Crosshatch Pattern" signal. 2. Using the remote controller, call NORMAL mode. Static convergence 1. Turn the 4-pole magnet to a proper opening an gle in order to superpose the blue and red colours. 2. Turn the 6-pole magnet to a proper opening angle in order to superpose the green colour over the blue and red colours. Dynamic convergence. 1. Adjust the convergence on the fringes of the scree ...

TROUBLE SHOOTING FLOW CHART (Continued) NO SPECIFIC COLOUR Is some colour produced in B/W broadcast reception ? Is the white balance properly adjusted ? Re-adjust the white balance. The picture colour is yellow. The picture colour is magenta. The picture colour is cyan. Check Q855 and its adjacent circuits. Check Q854 and its adjacent circuits. Check Q853 and its adjacent circuits. Check IC801 and bias control circuit. NO COLOUR PAL/SECAM (NO COLOUR SYNCHRONIZATION) Check IC801. Check X801.(4.43MHz) ...

MEMORY MAP (Continued) S LAVE ADDR E S S : A0(00-FF) A2(100-1FF) A4(200-2FF) A6(300-3FF) ADDR E S S DATA MICON E E PR OM E E PR OM CHAS S IS CTV FINAL LAS T INITIAL (HE X) D7 D6 D5 D4 D3 D2 D1 D0 DE FAULT R ANGE WR ITE (CPU) CHE CK DATA CHE CK TYPE CHE CK DATA CHE CK TYPE S E TTING DATA R E MAR K 380 381 382 383 384 385 386 387 388 389 38A 38B 38C 38D 38E 38F 390 391 392 393 394 395 396 397 398 399 39A 39B 39C 39D 39E 39F 3A0 3A1 3A2 3A3 3A4 3A5 3A6 3A7 3A8 3A9 3AA 3AB 3AC 3AD 3AE 3AF 3B0 3B1 3B2 3B3 3B4 3B5 3B6 3B7 3B8 3B9 3BA 3BB 3BC 3BD 3BE 3BF MODE L MODE L LE TTE R NO. L ...