LG GS155 Service Manual

File Specifications

Brand: LG
Category: Cell Phone
Model: GS155 (Service Manual), prE4GIR.DX1Mw
File Info: Adobe Acrobat PDF (DjVu)
File Size: —
Pages: 128 pages

Download PDF

Download LG GS155 Manual (128 pages)

Read Online:

Read the LG GS155 Service Manual online using the built-in PDF viewer. This document explains how to operate the device, adjust settings and perform regular maintenance.

Key Pages of Document

- 25 -

Copyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 3. TECHNICAL BRIEF ʹΠΡΪΣΚΘΙΥ͑ι ͣͨ͑͡͡ͽ͸͑ͶΝΖΔΥΣΠΟΚΔΤ͑͟ͺΟΔ͑͑͟ͲΝΝ͑ΣΚΘΙΥ͑ΣΖΤΖΣΧΖΕ͑͟ ΀ΟΝΪ͑ΗΠΣ͑ΥΣΒΚΟΚΟΘ͑ΒΟΕ͑ΤΖΣΧΚΔΖ͑ΡΦΣΡΠΤΖΤ ͽ͸Ͷ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑΀ΟΝΪ 24/140 3. TECHNICAL BRIEF Figure 3.2.2 Second (Main) Part of the Startup State Machine in the VPMU Domain ...

- 52 -

LGE Internal Use Only Copyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes 3. TECHNICAL BRIEF ʹΠΡΪΣΚΘΙΥ͑ι ͣͨ͑͡͡ͽ͸͑ͶΝΖΔΥΣΠΟΚΔΤ͑͟ͺΟΔ͑͑͟ͲΝΝ͑ΣΚΘΙΥ͑ΣΖΤΖΣΧΖΕ͑͟ ΀ΟΝΪ͑ΗΠΣ͑ΥΣΒΚΟΚΟΘ͑ΒΟΕ͑ΤΖΣΧΚΔΖ͑ΡΦΣΡΠΤΖΤ ͽ͸Ͷ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑΀ΟΝΪ 51/140 3.12 KEY BACLKLIGHT LED Interface Key Backlight LED is controlled by switch (Q202). If KEY_BCKLIGHT is high, Current is flowing from VBAT to LED. Then Light emitted from The LED. Figure 3.12.1 Key Backlight Bl ...

- 46 -

LGE Internal Use Only Copyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes 3. TECHNICAL BRIEF ʹΠΡΪΣΚΘΙΥ͑ι ͣͨ͑͡͡ͽ͸͑ͶΝΖΔΥΣΠΟΚΔΤ͑͟ͺΟΔ͑͑͟ͲΝΝ͑ΣΚΘΙΥ͑ΣΖΤΖΣΧΖΕ͑͟ ΀ΟΝΪ͑ΗΠΣ͑ΥΣΒΚΟΚΟΘ͑ΒΟΕ͑ΤΖΣΧΚΔΖ͑ΡΦΣΡΠΤΖΤ ͽ͸Ͷ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑΀ΟΝΪ 45/140 3.11 Audio Front-End Figure 3.11.1 Audio Section Overview 3.11.1 Functional Overview The audio front-end of X-GOLD™110 offers the digital and analog circuit blocks for both receive and transmit audio ope ...

- 64 -

LGE Internal Use Only Copyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes 4. TROUBLE SHOOTING ʹΠΡΪΣΚΘΙΥ͑ι ͣͨ͑͡͡ͽ͸͑ͶΝΖΔΥΣΠΟΚΔΤ͑͟ͺΟΔ͑͑͟ͲΝΝ͑ΣΚΘΙΥ͑ΣΖΤΖΣΧΖΕ͑͟ ΀ΟΝΪ͑ΗΠΣ͑ΥΣΒΚΟΚΟΘ͑ΒΟΕ͑ΤΖΣΧΚΔΖ͑ΡΦΣΡΠΤΖΤ ͽ͸Ͷ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑΀ΟΝΪ 64/140 CHECKING FLOW 4. TROUBLE SHOOTING Check TP2& TP3 Mobile SW & FEM is OK. Yes TP5 signal same as TP1? Replace SW301 No Yes Replace PMB8810 (U102) TP2(High Band), TP3(Low Band) Signal is OK ? No Yes Check PMB8 ...

- 19 -

Copyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 3. TECHNICAL BRIEF ʹΠΡΪΣΚΘΙΥ͑ι ͣͨ͑͡͡ͽ͸͑ͶΝΖΔΥΣΠΟΚΔΤ͑͟ͺΟΔ͑͑͟ͲΝΝ͑ΣΚΘΙΥ͑ΣΖΤΖΣΧΖΕ͑͟ ΀ΟΝΪ͑ΗΠΣ͑ΥΣΒΚΟΚΟΘ͑ΒΟΕ͑ΤΖΣΧΚΔΖ͑ΡΦΣΡΠΤΖΤ ͽ͸Ͷ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑΀ΟΝΪ 18/140 3. TECHNICAL BRIEF 3.1.4 FM Radio • Integrated FM radio – FM Stereo RDS Receiver – Sensitivity 2 ɆV EMF – Support for US & EU bands – Stereo recording 3.1.5 Display • Type – 128*128, QQVGA, 65k ...

-  -

LGE Internal Use Only Copyright © 2010 LG Electronics. Inc. All right reserved. Only for training and service purposes 1. INTRODUCTION ʹΠΡΪΣΚΘΙΥ͑ι ͣͨ͑͡͡ͽ͸͑ͶΝΖΔΥΣΠΟΚΔΤ͑͟ͺΟΔ͑͑͟ͲΝΝ͑ΣΚΘΙΥ͑ΣΖΤΖΣΧΖΕ͑͟ ΀ΟΝΪ͑ΗΠΣ͑ΥΣΒΚΟΚΟΘ͑ΒΟΕ͑ΤΖΣΧΚΔΖ͑ΡΦΣΡΠΤΖΤ ͽ͸Ͷ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑΀ΟΝΪ 5/140 E. Notice of Radiated Emissions This model complies with rules regarding radiation and radio frequency emission as defined by local regulatory agencies. In accordance with these agencies, you may be required to pro ...

LG GS155 user guide recommended for: LG-H440v, LG-K100ds, C2500, KF510, CU405.

⚠️ Download Safety

The Cell Phone Service manual (128 pages) is completely safe to download (last scan date: 23/04/2026).

Related PDF Instructions for LG GS155:

Cell Phone Equipment: Frequently Requested

Have some Questions about LG GS155 Device?

Get valuable and actionable advices from other LG GS155 device users. Describe your problem or question, regarding the using of GS155, in as much detail as possible, and other users will be able to answer you.