LG XH-T3029S Service Manual
  1. Manuals
  2. Brands
  3. LG Manuals
  4. Receiver
  5. XH-T3029S
  6. Service manual

LG XH-T3029S Service Manual

Dvd/cd receiver
Hide thumbs
Table of Contents

Advertisement

Quick Links

P/NO : AFN32634330
DVD/CD RECEIVER
SERVICE MANUAL
JULY, 2007
MODEL: XH-T3029S
SH32PH-FZ, SH32PH-CZ
SH32PH-SZ, SH32PH-WZ
Internal Use Only
Website http://biz.lgservice.com

Advertisement

Table of Contents
loading

Related Manuals for LG XH-T3029S

Summary of Contents for LG XH-T3029S

  • Page 1 Internal Use Only Website http://biz.lgservice.com DVD/CD RECEIVER SERVICE MANUAL MODEL: XH-T3029S SH32PH-FZ, SH32PH-CZ P/NO : AFN32634330 JULY, 2007 SH32PH-SZ, SH32PH-WZ...
  • Page 2 ❍ SECTION 6. REPLACEMENT PARTS LIST ......6-1 Copyright © 2007 LG Electronics. Inc. All right reserved.

  • Page 3: Section 1. General

    (Do not use any other liquid cleaners, because they will damage the lens.) Take care not to use too much of this alcohol on the swab, and do not allow the alcohol to get inside the pick-up. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 4: Notes Regarding Compact Disc Player Repairs

    7) The laser beam from the pick-up should NEVER be directly facing the eyes or bare skin. Armband Resistor (1 Mohm) Resistor Conductive (1 Mohm) Sheet Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 5: Esd Precautions

    THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF IMPORTANT SAFETY INFORMATION IN SERVICE LITERATURE. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 6: Service Information For Eeprom

    OPT D make changes OPT E OPT F OPT G Press pause key once Change will be applied when power OFF-->ON. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 7 FLD ‘write ok’ or ‘up ok’ Remote control ‘2’ + Front ‘STOP’ push same timing FLD display E2P CLR or EP CLR Auto power off LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 8: Specifications

    260 x 1100 x 260 mm 330 x 80 x 126 mm 114 x 208.5 x 83 mm 181 x 351 x 278 mm (W x H x D) Net Weight 3.0 kg 1.15 kg 0.46kg 3.4 kg Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 9 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 10: Section 2. Audio Part

    Check focus circuit. Check disc. Check tracking servo circuit. Does it play? Does it output Check audio circuit. audio? Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 11 Check if Check if the remote Check pattern and resoldering RM301 is ok? control is ok? Front B/D ok. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 12 Refer to MICOM circuit. control waveform of PN3101 pin11 is ok? Check if RM301 voltage is ok(5V)? Resolder or Check RM circuit Replace RM301. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 13 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 14: Wiring Diagram

    WIRING DIAGRAM 061026 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 15: Block Diagram

    BLOCK DIAGRAM 061026 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 16: Smps(Power) Circuit Diagram

    With respect to risk of fire or NOTE) electricial shock. NOTES) Symbol denotes AC ground. NOTES) Symbol denotes DC chassis ground. 061026 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 17 2. µ-COM(MAIN) CIRCUIT DIAGRAM 061026 LGE Internal Use Only 2-10 2-11 Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 18 3. MOTOR & SERVO CIRCUIT DIAGRAM 061026 Copyright © 2007 LG Electronics. Inc. All right reserved. 2-12 2-13 LGE Internal Use Only Only for training and service purposes...

  • Page 19: I/O Circuit Diagram

    4. I/O CIRCUIT DIAGRAM 061026 LGE Internal Use Only 2-14 2-15 Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 20 5. MIC CIRCUIT DIAGRAM 061026 Copyright © 2007 LG Electronics. Inc. All right reserved. 2-16 2-17 LGE Internal Use Only Only for training and service purposes...

  • Page 21: Front Jack Circuit Diagram

    6. FRONT JACK CIRCUIT DIAGRAM 061026 LGE Internal Use Only 2-18 2-19 Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 22 7. FRONT CIRCUIT DIAGRAM(WITH RDS) 061026 Copyright © 2007 LG Electronics. Inc. All right reserved. 2-20 2-21 LGE Internal Use Only Only for training and service purposes...
  • Page 23 8. FRONT CIRCUIT DIAGRAM(WITHOUT RDS) 061026 LGE Internal Use Only 2-22 2-23 Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 24: Printed Circuit Board Diagrams

    PRINTED CIRCUIT BOARD DIAGRAMS 1. MAIN P.C. BOARD DIAGRAM ( TOP VIEW ) Copyright © 2007 LG Electronics. Inc. All right reserved. 2-24 2-25 LGE Internal Use Only Only for training and service purposes...
  • Page 25 MAIN P.C. BOARD DIAGRAM ( BOTTOM VIEW ) LGE Internal Use Only 2-26 2-27 Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 26: Smps P.c. Board

    2. SMPS P.C. BOARD NOTE: Warning Parts that are shaded are critical With respect to risk of fire or electrical shock. Copyright © 2007 LG Electronics. Inc. All right reserved. 2-28 2-29 LGE Internal Use Only Only for training and service purposes...

  • Page 27: Front Jack P.c Board

    3. FRONT JACK P.C BOARD 4. FRONT P.C. BOARD(WITH RDS) 5. FRONT P.C. BOARD(WITHOUT RDS) LGE Internal Use Only 2-30 2-31 Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 28: Section 3. Dvd & Amp Part

    2. System operation routine loop. 1. Stop Playback & Open Tray. 2. Display tray open message & LOGO. Receive CLOSE Key? Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 29 2. Check system reset circuit. successfully? 3. Check FLASH R/W enable signal PRD, RWR. 4. Check FLASH Memory related circuit. Replace FLASH. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 30 Check the Tray control MOTOR & SERVO LOAD+ & LOAD- circuit IC401. signal? Check AV cable connection between main PCBA and loader. (MECHA) Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 31 Proper F+ & F- outputs? Check the amp circuit on motor driver. Check cable connection with pick-up head. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 32 Check the spindle control amp circuit SPNN output of motor driver. properly? Check the cable connection between spindle and main PCB. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 33 Check the tracking control amp output properly? circuit on motor driver. Check cable connection on pick-up head. Disc Playback? Check RF signal waveform. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 34 Pins 54, 55, 58, 59, 61, 62, 67, 68, 70, 71, 74, 75. Check Digital Amp circuit (IC702, IC703). TEST END. Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 35 Check if IC101 Pin15, 16, Check 3.3V line. 47 are high(5V). Check if IC101 Pin1 Check power section is high. circuit. Replace IC101. LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 36: Details And Waveforms On System Test And Debugging

    2) ES8380 reset is high active. Power Cord in 5.2VA PWR_CTL(SYSTEM µ-COM) (IC101 PIN2) DVD_RESET(IC101 PIN 41) MRST#(IC501 PIN 203) FIG 1-2 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...

  • Page 37: Sdram Clock

    2. SDRAM CLOCK 1) ES8380 main clock is at 27MHz(X501) DCLK = 93MHz, Vp-p=2.2, Vmax=2.7V (IC502 PIN 38) FIG 2-1 LGE Internal Use Only 3-10 Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 38: Tray Open/Close Signal

    CLOSE(IC401 PIN 2) FIG 3-1 2) Tray close waveform OPENSW(P401 PIN3) CLOSESW(P401 PIN4) OPEN(IC401 PIN 1) CLOSE(IC401 PIN 2) FIG 3-2 Copyright © 2007 LG Electronics. Inc. All right reserved. 3-11 LGE Internal Use Only Only for training and service purposes...

  • Page 39: Sled Control Related Signal (No Disc Condition)

    4. SLED CONTROL RELATED SIGNAL (NO DISC CONDITION) SLO(2.0V/1.4V/1.0V) (IC501 PIN 173) DRV_MUTE(5V) – (IC401 PIN 21) SLED+(4.7V/3.6V/1.9V) (IC401 PIN 17) SLED-(5.3V/3.7V/2.5V) (IC401 PIN 18) FIG 4-1 LGE Internal Use Only 3-12 Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 40: Lens Control Related Signal(No Disc Condition)

    6. LASER POWER CONTROL RELATED SIGNAL(NO DISC CONDITION) DVD MDI(0V/180mV) (IC501 PIN 152) DVDLDO501(5.0V//3.5V) (IC501 PIN 149) CDLDO(5.0V/3.6V) (IC501 PIN 150) FIG 6-1 Copyright © 2007 LG Electronics. Inc. All right reserved. 3-13 LGE Internal Use Only Only for training and service purposes...

  • Page 41: Disc Type Judgement Waveforms

    CD_DVDCT(IC501 PIN 133) RF(IC501 PIN 160) FIG 7-1 (DVD) F+(IC401 PIN 13) CD_DVDCT(IC501 PIN 133) RF(IC501 PIN 160) FIG 7-2 (DVD) LGE Internal Use Only 3-14 Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 42 CD_DVDCT(IC501 PIN 133) RF(IC501 PIN 160) FIG 7-3 (CD) F+(IC401 PIN 13) CD_DVDCT(IC501 PIN 133) RF(IC501 PIN 160) FIG 7-4 (CD) Copyright © 2007 LG Electronics. Inc. All right reserved. 3-15 LGE Internal Use Only Only for training and service purposes...

  • Page 43: Focus On Waveforms

    F-(IC401 PIN 14) FIG 8-1 (DVD) CD_DVDCT(IC501 PIN 133) FOO(IC501 PIN172) F+(IC401 PIN 13) F-(IC401 PIN 14) FIG 8-2 (CD) LGE Internal Use Only 3-16 Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 44: Spindle Control Waveforms (No Disc Condition)

    10. TRACKING CONTROL RELATED SIGNAL(System checking) CD_DVDCT(IC501 PIN 133) TRO(IC501 PIN 174) TR-(IC401 PIN 12) TR+(IC401 PIN 11) FIG 10-1(DVD) Copyright © 2007 LG Electronics. Inc. All right reserved. 3-17 LGE Internal Use Only Only for training and service purposes...
  • Page 45 TR-(IC401 PIN 12) TR+(IC401 PIN 11) FIG 10-2(CD) 11. ES8380 VIDEO OUTPUT WAVEFORMS 1) Full colorbar signal(COMPOSIT) (IC501 PIN 110) FIG 11-1 LGE Internal Use Only 3-18 Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 46 (IC501 PIN 113) FIG 11-2 12. AUDIO OUTPUT FROM PWM IC 1) Audio L/R (IC701 PIN 1, 7) FIG 12-1 Copyright © 2007 LG Electronics. Inc. All right reserved. 3-19 LGE Internal Use Only Only for training and service purposes...
  • Page 47 2) Audio related Signal ASDATA3 ADATA0(IC501 PIN 118) BCK(IC501 PIN 124) LRCK(IC501 PIN 117) FIG 12-2 LGE Internal Use Only 3-20 Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 48 • R610 → TP601 R613 TP604 R611 TP602 • R614 → TP605 • R616 → TP607 R615 TP606 R617 TP608 Copyright © 2007 LG Electronics. Inc. All right reserved. 3-21 LGE Internal Use Only Only for training and service purposes...
  • Page 49 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 50: Mpeg Circuit Diagram

    DVD & AMP CIRCUIT DIAGRAM 1. MPEG CIRCUIT DIAGRAM 061026 Copyright © 2007 LG Electronics. Inc. All right reserved. 3-23 3-24 LGE Internal Use Only Only for training and service purposes...
  • Page 51 2. DSP & AMP CIRCUIT DIAGRAM 061026 LGE Internal Use Only 3-25 3-26 Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 52: Section 4. Exploded Views

    EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF IMPORTANT SAFETY INFORMATION IN SERVICE LITERATURE. P3502 CABLE1 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 53 • DECK MECHANISM EXPLODED VIEW(DP-10T) 015B 015A 012A 012A LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 54: Packing Accessory Section

    WIRE70 CENTER GREEN(4M) WIRE80 FRONT R/CH RED(4M) WIRE81 FRONT L/CH WHITE(4M) WIRE60 REAR R/CH GRAY(10M) WIRE61 REAR L/CH BLUE(10M) 4mm SCREW Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 55 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

  • Page 56: Section 5. Speaker Part

    SECTION 5. SPEAKER PART 1. SH32PH • CENTER SPEAKER(SH32PH-CZ) A70B A70A WIRE70 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 57 • FRONT SPEAKER(SH32PH-FZ) A80B A80A A80C 855B 855A WIRE80 WIRE81 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...
  • Page 58 4. LHS-96IA • REAR SPEAKER(SH32PH-SZ) A60B A60A WIRE60 WIRE61 Copyright © 2007 LG Electronics. Inc. All right reserved. LGE Internal Use Only Only for training and service purposes...
  • Page 59 2. LHS-76IB • PASSIVE SUBWOOFER(SH32PH-WZ) WIRE90 LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved. Only for training and service purposes...

This manual is also suitable for:

Sh32ph-szSh32ph-fzSh32ph-wzSh32ph-cz

Table of Contents