Text preview for : noreadingdisc.pdf part of LG noreadingdisc LG DVD RH-7800 noreadingdisc.pdf



Back to : noreadingdisc.pdf | Home

LG Electronics Online



SERVICE BULLETIN
:
No.
0AVD20070328
Date : 2007-08-30
Factory Factory Model Suffix Model No. Factory Factory Model Suffix Model No.
ECSH DR7400CP1M AA3GLL DR7400 ECSH DR7400CP1M AA5ILL DR7400
ECSH DR7400CP1M AA6GLL DR7400 EKHQ DR7400CP1M AA5ILL DR7400
EKHQ DR7400CP1M AA3GLL DR7400 ECSH DR7400CP3M AA8MLL DR7400CP3M
ECSH DR7400KP2M AA5HLL DR7400 ECSH DR7400KP2M AAACLL DR7400KP2M
ECSH DR7400NP1M AA4ULL DR7400NP1M ECSH DR7400NP1M AA6SLL DR7400
ECSH DR7400NP1M AA6PLL DR7400NP1M EKHQ DR7400NP1M AA6SLL DR7400
EKHQ DR7400NP1M AA4ULL DR7400 ECSH DR7400NP2M AA2RLL DR7400NP2M
ECSH DR7400NP2M AA8PLL DR7400 ECSH DR7400NP2M AA8SLL DR7400
ECSH DR7400NSM AA3FLL DR7400 ECSH DR7400NSM AA7BLL DR7400NSM
ECSH DR7400NSM AA9SSL DR7400 EKHQ DR7400NSM AA3FLL DR7400
ECSH DR7400NW4M AA4MLL DR7400W ECSH DR7511CP1C AA5TUL DR7511P
ECSH DR7522NP4C AA3RMLD DRK575XB ECSH DR7522NP4C AA8UKLD DRK575XB
ECSH DR7524CP1C AA5ILL DR7500 ECSH DR7524JP1C AA3GLLB DR7500B
ECSH DR7524JP1C AA3GLLS DR7500 ECSH DR7524JP2C AA1ALL DR7500
ECSH DR7524NP1C AA6PLL DR7524NP1C ECSH DR7524NP2C AA2RLL DR7524NP2C
ECSH DR7524NP2C AA8SLL DR7500 ECSH DR7524NP2C AAACLL DR7524NP2C
ECSH DR7524NP2C AA8PLL DR7500 ECSH DR7524NP2C AA5HLL DR7524NP2C
ECSH DR7524NP4C AA3RML DR575X ECSH DR7524NP4C AA3RMLV DRV575X
ECSH DR7524NSC AA3FLL DR7500 ECSH DR7524NSC AA9SSL DR7500
ECSH DR7524NSC AA7BLL DR7524NSC ECSH DR7614CP3C AA3AEL DR7614CP3C
ECSH DR7614CP3C AA6TEL DR7614P ESAZ DR7621CBC ACBBLL DR7621B
ECSH DR7621CMC AA1BLL DR-7621M ECSH DR7621CMC AA5CLL DR7621CMC
ECSH DR7621CMC AA4CLL DR7621CMC ECSH DR7621CMC AA1MLL DR7621CMC
ECSH DR7621CMC AA2PLL DR7621CMC EKHQ DR7621CMC HS1TAL DR7621M
ECSH DR7621CMC AA1PLL DR-7621M ECSH DR7621CW1C AA2ILL DR7621W
ECSH DR7621CW1C AA4TLL DR7621W ECSH DR7621CW4C AA8CLL DR-706
ECSH DR7621NW1C AA3ILL DR7621W ECSH DR7621NW1C AAASLL DR7621NW1C
ECSH DR7622CW1C AA3JML DR7622W ECSH DR7622CW1C AA8LBL DR7621P
ECSH DR7622NW1C AA2KHL DR7622W ECSH DR7622NW1C AA4ISL DR7622NW1C
ECSH DR7622NW4C AA3SCL DR7622W ECSH DR7622NW4C AA4MLL DR7622W
ECSH DR7622TW4C AA4HJL DR7622W ECSH DR7624NP4C AA3RML DR576X
ECSH DR7624NP4C AA3RMLV DRV576X ECSH DR7812CMC AA1CLL LRA-536
EKHQ DR7823CMC HS1TAL DR7823M ECSH DR7823CW4C AA8CLL DR-728
ECSH DR7823NW1C AAASLL DR7823NW1C ECSH DR7824CP1C AA5ILL DR7800
ECSH DR7824CP1C AA6GLL DR175 ECSH DR7824JP1C AA3GQU DVD-R 4363
ECSH DR7824NP1C AA4ULL DR7800 ECSH DR7824NP1C AA6SHL DR7800
ECSH DR7824NP1C AA6SLL DR7800 ECSH DR7824NP1C AA6PLL DR7824NP1C
ECSH DR7825NP4C AA3RML DR588X ECSH DR7922CW1C AA2ALL DR7922W
ECSH DR7923CBC AABBLL DR7923CBC ESAZ DR7923CBC ACBBLL2 DR7923B
ESAZ DR7923CBC ACBBLL DR7923B ECSH DR7923CMC AA1CLL LRA-537
ECSH DR7923CMC AA1ULL LRA-516 ECSH DR7923CMC AA2PLL DR7923CMC
ECSH DR7923CMC AA5CLL DR7923CMC ECSH DR7923CMC AA1PLL DR-7923M
ECSH DR7924CP1C AA6GLL DR7900 ECSH DR7924NP1C AA6PLL DR7924NP1C
EKHQ DR7924TDL AA3GLL DR7900D ECSH DR7925CP1C AA5ILL DR7900M
ECSH DR7925CP1C AA6GLL DR7900M ECSH DR7925NP1C AA6PLL DR7925NP1C
ECSH DR7925NP1C AA6SLL DR7900M ECSH DR7925NP2C AA5HLL DR7925NP2C



http://biz.lgservice.com/gcsc/svb/main?tc=SvbPrintCmd&DOC_ID=KRSVB000050397 (1 di 5)05/12/2008 10.29.58
LG Electronics Online


ECSH DR7925NP2C AA8SLL DR7900m EAIN RC7216NP1L AA4ULL RC1000
EAIN RC7323CP1L AA5ILL RC7300 EAIN RC7323CP1L AA6GLL RC7300
EAIN RC7323JP1L AA3GLL RC6850 EAIN RC7323NP1L AA6PLL RC7300
EAIN RC7323NP1L AA6SLL RC7300 EAIN RC7323NP2L AA5HLL RC7300
EAIN RC7323NP2L AA8SLL RC7300 EAIN RC7323NP2L AAACLL RC7300
EAIN RC7323NSL AA3FLL RC7300 EAIN RC7323NSL AA7BLL RC7300
EAIN RC7323NSL AA9SSL RC7300 DVX EAIN RC7423CW1L AA3ULL RC7423W
EAIN RC7621NW1L AA3SLL RC7621W EAIN RC7723CBL AABBLL RC7723B
EKHQ RC7723CBL NCBBLL2 RC7723B ESAZ RC7723CBL ACBBLL RC7723B
ESAZ RC7723CBL ACBBLL2 RC7723B EAIN RC7723CML AA1MLL RC-7723M
EAIN RC7723CML AA1PLL RC-7723M EAIN RC7723CML AA2PLL RC-7723M
EAIN RC7723CML AA5CLL RC-7723M EAIN RC7723CW1L AA2ALL RC7723W
EAIN RC7723NW1L AA4ISL RC7723NW1L EKHQ RC7794CP1L AA5ILL RCS7700
EKHQ RC7794JP1L AA3GLL RCS7700 EKHQ RC7794JP1L AA3GLLJ RCS7700
EKHQ RC7794NP1L AA6SLLJ RCS7700 EKHQ RC7794NP1L AA8SLLJ RCS7700
EAIN RC7810ML AA1ULA ABR521 EAIN RC7812CP1L AA5ILL RC7000
EAIN RC7812CP1L AA6GLL RC7000 EAIN RC7812JP1L AA3GLL RC6500
EAIN RC7812JP2L AA1ALL RC7000 EAIN RC7812NP1L AA6PLL RC7000
EAIN RC7812NP1L AA6SLL RC7000 EAIN RC7812NP2L AA2RLL RC7000
EAIN RC7812NP2L AA8PLL RC7000 EAIN RC7812NP2L AA8SLL RC7000
EAIN RC7812NP2L AAACLL RC7000 EAIN RC7812NSL AA3FLL RC7000
EAIN RC7812NSL AA7BLL RC7000 EAIN RC7812NSL AA9SSL RC7000
EAIN RC7815NP2L AA8SLL RC7100 EAIN RC7821TW1L AA4HLL RC7821W
EKHQ RC7822CBL NCBBLL RC7000B ESAZ RC7822CBL ACBBLL2 RC7000B
Model ESAZ RC7822CBL ACBBLL RC7000B EAIN RH7520NP2L AA8SLL RH7500
EAIN RH7521CP1L AA5ILL RH7500 EAIN RH7521CP1L AA5TUL RH7521C
EAIN RH7521CP1L AA6GLL RH7500 EKHQ RH7521CP1L AA6GLL RH7500
EAIN RH7521CP2L AA1ALL RH7500 EAIN RH7521CW1L AA2ALL RH7521W
EAIN RH7521CW1L AA2ILL RH7521W EKHQ RH7521CW1L AA2ALL RH7521W
EAIN RH7521CW1L AA3ILL RH7521W EAIN RH7521CW1L AA4TLL RH7521W
EAIN RH7521JP1L AA3GLL RH7500 EKHQ RH7521JP1L AA3GLLB RH7500B
EKHQ RH7521JP1L AA3GLL RH7500 EAIN RH7521JP1L AA3GLLB RH7500B
EAIN RH7521NP1L AA6PLL RH7500 EKHQ RH7521NP1L AA6PLL RH7500
EAIN RH7521NP1L AA6SHL RH7500 EAIN RH7521NP1L AA6SLL RH7500
EAIN RH7521NP2L AA2RLL RH7500 EKHQ RH7521NP2L AAACLL RH7500
EAIN RH7521NP2L AA5HLL RH7500 EAIN RH7521NP2L AA8PLL RH7500
EAIN RH7521NP2L AAACLL RH7500 EAIN RH7521NSL AA3FLL RH7500
EAIN RH7521NSL AA7BLL RH7500 EKHQ RH7521NSL AA9SSL RH7521
EKHQ RH7521NSL AA7BLL RH7500 EKHQ RH7521NSL AA3FLL RH7500
EAIN RH7521NSL AA9SSL RH7521 EAIN RH7521NW1L AAASLL RH7521W
EAIN RH7521NW4L AA3SLL RH7521W EAIN RH7521TP1L AA4ULL RH7500
EKHQ RH7521TP1L AA4ULL RH7500 EAIN RH7522NW1L AA4MLL RH7522W
EAIN RH7522NW4L AA4MLL RH7522W EAIN RH7523CP1L AA5TUL RH7523C
EKHQ RH7611CML AA1CLZ ZRH-516 EAIN RH7611JP1L AA3GLL RH7000
EAIN RH7621CW1L AA2ANN NDH-80 ECSH RH7621CW4L AS8CLL RH-706
EAIN RH7621NP1L AA6SLL RH7600 EAIN RH7621NW4L AA4MLL RH7621W
EKHQ RH7622CML NS1TAL RH7622M EKHQ RH7623NP4L AA3RML HDR576X
EAIN RH7624NW1L AAASLL RH7624W EKHQ RH7793JP1L AA3GLL RHS7700
EKHQ RH7793JP1L AA3GLLJ RHS7700 EKHQ RH7794SJL AA1JLL2 LDR-H51
EKHQ RH7794SJL AA1JLLJ LDR-H50 EKHQ RH7796CW1L AA2ALL RH7796W
EKHQ RH7796CW1L AA7IDLJ RH250 EKHQ RH7796CW1L AA2ALLJ RH7796W



http://biz.lgservice.com/gcsc/svb/main?tc=SvbPrintCmd&DOC_ID=KRSVB000050397 (2 di 5)05/12/2008 10.29.58
LG Electronics Online


EKHQ RH7796NP1L AA6SLL RHS7700MH EKHQ RH7796NP1L AA6SLLJ RHS7700MH
EKHQ RH7796NSL AA7BLL RHS7700MH EKHQ RH7796NW1L AA4NRL RH7796W
EKHQ RH7796NW4L AA3SLL RH7796W EKHQ RH7796NW4L AA4MLL RH7796W
EKHQ RH7796TW4L AA4HLLJ RH7796W EKHQ RH7797SJL AA1JLLJ LDR-H55
EKHQ RH7799CP1L AA5ILL RHS7750MH EKHQ RH7799CP1L AA6GLL RHS7750MH
EKHQ RH7799NP1L AA6PLL RHS7750MH EKHQ RH7799NP1L AA6PLLJ RHS7750MH
EKHQ RH7799NP2L AA5HLL RHS7750MH EKHQ RH7799NP2L AA8SLL RHS7750MH
EKHQ RH7799NSL AA9SSL RHS7750MH EAIN RH7821CP3L AA5NLL RH7821C
EKHQ RH7821TW4L AA4HLL RH7821W EAIN RH7822CW1L AA8LBL RH7822W
EAIN RH7822JP1L AA3GQU DVD-HDD-R 4361 EAIN RH7823CP1L AA5ILL RH7800
EKHQ RH7823CP1L AA5ILL RH7800 EAIN RH7823CW1L AA2ALL RH7823W
EAIN RH7823CW1L AA3ULL RH7823W EAIN RH7823CW1L AA5PNL RH7823W
EKHQ RH7823CW1L AA2ALL RH7823W EAIN RH7823NP1L AA6PLL RH7800
EAIN RH7823NP1L AA6SHL RH7800 EAIN RH7823NP1L AA6SLL RH7800
EKHQ RH7823NP1L AA6PLL RH7800 EAIN RH7823NP2L AA5HLL RH7800
EAIN RH7823NP2L AA8PLL RH7800 EKHQ RH7823NP2L AAACLL RH7800
EKHQ RH7823NP2L AA8SLL RH7800 EAIN RH7823NP2L AA8SLL RH7800
EAIN RH7823NP2L AAACLL RH7800 EAIN RH7823NSL AA3FLL0 RH7800
EKHQ RH7823NSL AA9SSL RH7800 EKHQ RH7823NSL AA3FLL0 RH7800
EAIN RH7823NSL AA9SSL RH7800 EAIN RH7823NW1L AA2KHL RH7823W
EAIN RH7823NW1L AA4ISL RH7823NW1L EAIN RH7823NW1L AA5SAL RH7823W
EAIN RH7823NW1L AA7MDL RH7823W EAIN RH7823NW1L AAASLL RH7823W
EAIN RH7823NW1L AABSNL RH7823W EAIN RH7823NW4L AA3SLL RH7823W
EAIN RH7823TP1L AA4ULL RH7800 EKHQ RH7823TP1L AA4ULL RH7800
EKHQ RH7823TW4L AA4HJL RH7823W EAIN RH7824CP3L AA8MLL RH7824P
EAIN RH7824JP1L AA3GQU DVD-HDD-R 4362 EKHQ RH7824NP4L AA3RML HDR578X
EAIN RH7825CP1L AA6GLL RH7800H EAIN RH7825CW1L AA3ULL RH7825W
ECSH RH7825CW4L AS8CLL RH-728 EAIN RH7825NP2L AA8SLL RH7800H
EAIN RH7825NSL AA3FLL RH7800H EAIN RH7825TP1L AA4ULL RH7800H
EKHQ RH7826TW4L AA4HLL RH7826W EAIN RH7828NSL AA7BLL RH7850H
EAIN RH7922CBL AABBLL RH7922B EKHQ RH7922CML AA1PLL RH-7922M
EKHQ RH7922CML AA2PLL RH-7922M EKHQ RH7922CML AA4CLL RH-7922M
EAIN RH7923JP1L AA3GLL RH7900 EAIN RH7923NSL AA7BLL RH7900
EKHQ RH7924CML AA1MLL RH-7924N EAIN RH7925NSL AA7BLL RH7900H
EAIN RH7926CW1L AA2ALL RH7926W EAIN RH7926CW1L AA4TLL RH7926W
EKHQ RH7926CW1L AA2ALL RH7926W EKHQ RH7926NP4L AA3RML HDR589X
EKHQ RH7926NP4L AA3RMLV HDRV589X EAIN RH7926NW1L AA3ILL RH7926W
EAIN RH7926NW4L AA3SLL RH7926W EKHQ RH7927CML AA1CLL LRH-539
EAIN RH7927NP1L AA6PLL RH7900M EAIN RH7927NP2L AAACLL RH7900M
EKHQ RH7927NSL NA9SSL RH7900M EKHQ RH7928CML NS1TAL RH7928M
EAIN RH7928NSL AA3FLL RH7900H EAIN RH7928TP1L AA4ULL RH7900H
EAIN RH7929CP1L AA5ILL RH7900MH EAIN RH7929CP1L AA6GLL RH7900MH
EAIN RH7929JP1L AA3GLL RH7900MH EAIN RH7929NP1L AA6PLL RH7900MH
EAIN RH7929NP1L AA6SLL RH7900MH EAIN RH7929NP2L AA5HLL RH7900MH
EAIN RH7929NP2L AA8PLL RH7900MH EAIN RH7929NP2L AA8SLL RH7900MH
EAIN RH7929NSL AA9SSL RH7900MH




http://biz.lgservice.com/gcsc/svb/main?tc=SvbPrintCmd&DOC_ID=KRSVB000050397 (3 di 5)05/12/2008 10.29.58
LG Electronics Online



Buyer Name Buyer Code Buyer Name Buyer Code Buyer Name Buyer Code
LGEGF AE000001 LGEME AE000002 FORTUNE AE001262
LGEAF AE001405 LGEAG AT000871 LGEAG AT000979
LGEAP AU000001 NEC-AT AU000729 LG Electronics Antwerp Logisti BE000001
LGESP BR000002 LGEAZ BR000003 LGECI CA000002
STUHLING CH000200 LGEIQ CL000985 LGECL CL000986
LGESH CN000003 LGBTSC CN006644 LGECB CO000002
LGECZ CZ000710 LGEDG DE000001 QUELLE DE000533
ESSALEM DZ000518 LGEES ES000001 HISPANO ES000750
LGEFS FR000001 SOMIGA GA000570 LGEUK GB000001
LGEHS GR000263 LGEHK HK000001 JEB HK001095
LGEMK HU000001 LGEDI ID000001 LGEIN ID000002
SAN-ISR IL000553 HYC IL000788 LGEIL IN000001
DEILAMI IR000310 LGEIS IT000001 Bangkok JA15
Singapore JA44 Amsterdam JE14 Budapest JE19
Vienna JE52 Warsaw JE54 Abidjan JF10
Johanesburg JF31 Tunis JF51 Lagos JF60
Amman JM13 Dubai JM22 Jeddah JM30
Buyer
Karachi JM32 Tehran JM49 MEC JO000613
LGELF JO000694 LGEJP JP000001 H.POINT KE000610
LGE KR000001 LGEAK KZ000001 ALMATY KZ000002
BROTHERS LB000101 ABANS LIMITED LK000101 LGELV LV000598
PC NORTH AFRICA LY000327 LGEMC MA000001 GENCO ML000610
ARTESA MQ000101 DRAGON MU000600 LGEMS MX000001
LGEML MY000001 FOUANI NIGERIA NG000721 AFROVISION NG NG000748
LGELS NL000001 LGEBN NL000010 RANKIN NZ000502
LGEPS PA000001 LGEPR PE000001 N.ALLIED PK000624
ADVANCE CORPORATION PK000836 LGEPL PL000001 LGEPT PT000183
LGERO RO000758 MOSCOW RU000001 PETERSBURG RU000002
LGERU RU000010 LGERI RU000549 NAGHI SA000101
LGESW SE000001 LGESL SG001062 LGEMT TH000001
LGETH TH000002 ELECTRO TN000612 UFOTEK TR000712
UFOTEK TR000787 LGETT TW001986 AAT TW003106
AKKORD TW003113 LGEUA UA000102 LGEUR UA000523
LGEUA UA001085 LGEUS US000001 LGEAI US000002
LGESA ZA000001

EFFECTIVE DATE 2007-08-30 EFFECTIVE FROM(SERIAL NO.) ALL
Subject [One Point Guide]No Reading any disc

Before Change After Change
No. Loc No. Note K-Code Remark
Part No Desc./Spec. Part No Desc./Spec.

Reason Of Change




http://biz.lgservice.com/gcsc/svb/main?tc=SvbPrintCmd&DOC_ID=KRSVB000050397 (4 di 5)05/12/2008 10.29.58
LG Electronics Online


Symptom Details (How to Duplicate Problem)
-. No reading disc
How to troubleshoot (Countermeasure)
-. Remove dust, Clean up the pick up lens with Alcohol and clean cloth carefully.
Many cases that disc no reading on model RC7, RH7
and DR7 series, caused by pick up lens dirty.
To clean it use alcohol and clean cloth
Then readjust the optical power




pick up dirty - DVD no reading-RH7 RC7.jpg

** FILE THIS SERVICE BULLETIN WITH YOUR SERVICE MANUAL
NOTE(**) : INTERCHANGEABILITY CODE KEY-WORD CODE
Parts Set
1. To improve performance
Original Early Original or new parts may be used in early or late production sets.
A 2. To improve productivity
Use original parts until exhausted, then stock new parts.
New Late
3. To improve reliability
Original Early Original parts may be used in early production sets only.
B New parts may be used in early or late production sets.
4. Change of material or dimension
Use original parts where possible, then stock new parts.
New Late
5. Addition
Original Early New parts only may be used in early or late production sets.
C
Stock new parts. 6. Deletion
New Late

Original Early 7. Correction
Original parts only may be used in early production sets.
D New parts may be used in late production sets only.
Stock original and new parts.
New Late


CHIEF ENGINEER ,
Factory.




http://biz.lgservice.com/gcsc/svb/main?tc=SvbPrintCmd&DOC_ID=KRSVB000050397 (5 di 5)05/12/2008 10.29.58