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LG RH-2320 Service Manual

LG RH-2320 Manual Online:

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LG RH-2320 User Manual
LG RH-2320 User Guide
LG RH-2320 Online Manual

Text of LG RH-2320 User Guide:

  • LG RH-2320, 2-3 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 2. DECK MECHANISM SECTION (RS-06A) Main C.B.A OPTIONAL PART 1018 1019 DR-11H : IN, SH ONLY D R-11H : PT ONL Y 10 43 1045 A005 10 43 1045 10 44 1042 A 005 1018 1019 1431 1434 1437 1025 1432 1432 1041 1002 A001 A002 A46A 1033 1034 1032 1020 1439 1046 1047 1011 1013 1017 1433 1026 1016 1015 1012 1038 1432 1036 1001 1003 RS-06A(DR-11H) 1030

  • LG RH-2320, 4-15 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Check the input of CD/DVD. (pin10 of LPM101) Select Mode : DVD, Test and perform Test from 4. LD Test of “How to use Test tool” Check the input of W2SET. (pin13 of LPM101) Check the input of recording pulse. (pin19, 20, 21, 22, 23, 24 of LPM101) Check the input of FPD. (pin123 of LIC101) END F Check the input of CD/DVD. (pin10 of LPM101) Select Mode : DVD, Test and perform Test from 4. LD Test of “How to use Test tool” Check th

  • LG RH-2320, 3-5 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only No 5VT Check Q152 and replace Is the Vcc (5.3V) supplied to Q155 emiter? Check 5.3VA on SMPS board YES YES NO Is there about 0V at D152 and Q152 vollector? Check Q155 and replace YES NO Is there about 5V at R180 and 0.7V at Q152 base? Check the “TIMER H” signal from µ-COM YES NO No 33VT Check Q152 and replace Is the Vcc (33V) supplied to Q161 emiter? Check D126 on SMPS board and replace YES YES NO Is there about 0V at Q152 collector? Check Q161 and replace YES NO Is there about 5V at R180 and 0.7V at Q152 base? Check the “TIMER H” signal from µ-COM

  • LG RH-2320, 4-38 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only • Block Diagram AIN SH6 STMD STMDN ENC Block COMP. Input select SW STMOUT SE01 SE02 CXDPH1 CTC2 CTC1 TC CXDPH2 CRWAGC CRWCMP CWBLCMP CWBLBUF CWBLVGA WBLDIF WBL ASENV/LPPN LPPS IREAD IWRT1 IWRT2 IWRT3 OFTR CLPPHPP CLPPPH CWAGC2 CWAGC1 SH5 SH2 SH3 SH1 VPD FPDM CPCAPH CPCABH CLPCLPF BIN CIN DIN INPUT Buffer INPUT Block S/H AAF MPX (SE01) EIN FIN GIN GIN SH4 SH1 VREF25 HDVREF VHALF CBDOF VREF08 RFA RFB P00 CBDOS SAINL SBINL SCINL SDINL SPLAOUT SPLBOUT

  • 2-4 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 3. PACKING ACCESSORY SECTION 808 Battery 900 Remote Control 803 Packing 803 Packing 802 Box OPTIONAL PARTS 810 Accessory Assembly 804 Bag 832 Disc 821 SCART Cable 806 RCA Plug(Black) 801Instruction Ass'y 820 RCA Plug(Yellow) 811Plug Ass'y 1way 81

  • LG RH-2320, 4-39 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only • Pin Assignment Pin no. Pin Name Type Function 1NC-- 2 PO3 O General CMOS output pin 3 PO2 O Head Amp/OEIC gain change signal output pin 3. 4 PO1 O Head Amp/OEIC gain change signal output pin 2. 5 PO0 O Head Amp/OEIC gain change signal output pin 1. 6 VCC53 PS Power supply pin for CMOS I/F & LOGIC. 7 PIO0 I/O General CMOS Input/Output pin 0. 8 PIO1 I/O General CMOS Input/Output pin 1. 9 PIO2 I/O General CMOS In

  • LG RH-2320, 3-8 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only No 1.8V There is 1,8V at IC155 Pin 2, 4 Is the Vcc (3.3V) supplied to Pin 3 IC155? Check 3.3V power supply YES YES NO IC155 defect NO No 1.25V Check the IC154 and replace Is there about 5.3V at the IC154 Pin 2? Check 5.3VA on SMPS board YES YES NO Is there about 4V ~ 5V at the IC154 Pin 5? Check the “PWR CTL H” signal from µ-COM YES NO

  • LG RH-2320, 4-25 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only 2. MANUAL OPTICAL POWER SETTING If the manual optical power setting is not accomplished, you can use the automatic optical power setting. 2-1. ALPC Measurement System We need basically several measurement instruments to adjust Optical Power of CD and DVD Disc • ESSENTIAL INSTRUMENT 1) Optical Power meter & Sensor (ADVANTEST, TQ8230/Q82014A) 2) Personal Computer 3) Adjustment Program (Dragon or

  • LG RH-2320, 3-21 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only < DDR Bank Address > 3 6 5 4 3 < DDR RAS & CAS > 4 5 < DDR Write Enable > 6

  • LG RH-2320, 1-7 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only UPGRADE THE MAIN & LOADER PROGRAM 1. MAKING UPGRADE DISC 1) Do Physical format as ISO9660 or JOLIET file system 2) Don’t care about the CD Volume label 3) Write RH300 B_E & LOADER file on Root 4) Write I_O file on Root Note) You can’t write steps 3 and 4 on the same disc. Use the different disc to write another step. * OPTIONAL PARTS 1) B_E LG_RH300_UPDATE_PAL.ROM 2) LOADER DvdS617.rs6, Yas617.din 3) I_O io_micom_update.hex 2. U

  • LG RH-2320, 4-11 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only In case of writing fail. Check disc label. Normal case YES NO Check the media DVD R/RW? Remove the dust, fingerprint and if the disc has long width scratch, change it. YES Does the disc have any dust, scratch, fingerprint ...? Eject disc. YES NO Finalized disc? Go to “Writing part check”. If DVD R disc,use new DVD R disc. If DVD RW disc,erase the disc.

  • LG RH-2320, 4-31 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only INTERNAL STRUCTURE OF THE PICK-UP 1. BLOCK DIAGRAM OF THE PICK-UP (HOP-7232TL) 2 1 3 45 8 6 7 26 29 30 7 8 9 10 11 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 17 12 13 14 15 16 18 19 21 22 1 2 3 4 5 6 24 25 27 28 2 3 4 5 6 7 8 15 14 13 12 11 10 20 22 8 9 10 11 12 13 14 7 6 5 4 3 2 1 24 26 28 19 21 23 27 17 25 9 1 20 16 23 Vdd(LDD) Gnd(Temp) Temp Gnd(FM) FM Vref SelCD Vcc(FM) Gnd(OEI

  • LG RH-2320, 4-49 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Pin Pin Name I/O Connection Description Number Target 117 SH1 I/O FEP Sample timing signal for ROPC space detection, APC space detection, and read power detection 118 SH2 I/O FEP Sample timing signal for PCA peak, bottom detection, APC peak detection, and mean valuer detection 119 SH3 I/O FEP Sample timing signal for PCA mean value detection, APC space detection, and read power detection, and erase detection WIDGT VFO punch out signal 120 SH4 I/O FEP R

  • LG RH-2320, 4-9 Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes LGE Internal Use Only Recognition fail case 1 : CD-ROM fail Go to “LD CHECK”. YES NO Check pick-up Read power was 1.3 ~1.7mW? Go to “Focus servo is unstable”. YES NO Does focus servo operate normally? Check the pick-up FFC and LPM101. Replace the pick-up. YES NO Check pick-up RF signal LIC101(pin83) RFOUT was about 400mV? Replace LIC101. YES NO Check EQOUTP waveform (LIC101 pin65) was about 400mV? Go to “Tracking servo is unstable”. YES NO Check after replacing LIC201. It is OK? OK

  • LG RH-2320, 3-39 3-40 CIRCUIT DIAGRAMS 1. SMPS 1 CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R ST RH300'S No Power BD101,R101 is Defective FD(+)FD(-) No Power D121 is Defective -28VA No Power D122 is Defective 14VA No Power D125 is Defective No Power D102 is Defective 3.8VA No Power D127 is Defective 5V No Power D125 is Defective 5.6VA No Power D123 is Defective S/W Error IC101 is Defective Switching Error IC102,IC103 are Defective No Power F101 is Defective 5.3VA No Power D128 is Defective 5V No Power IC155 is Defective 5V No Power IC156 is Defective Copyright © 2008 LG Electronics. Inc. A

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