LG RHT497H User manual
P/NO :AFN35914243
FEBRUARY, 2009
DVB-T/HDD/DVD RECORDER
SERVICE MANUAL
MODELS :RHT497H/RHT499H
CAUTION
BEFORE SERVICING THE UNIT, READ THE “SAFETY PRECAUTIONS”
IN THIS MANUAL.
Website http://biz.lgservice.com
Internal Use Only
MODELS : RHT497H/RHT499HSERVICE MANUAL
1-1
CONTENTS
SECTION 1 ........ SUMMARY
SECTION 2 ........ CABINET & MAIN CHASSIS
SECTION 3 ........ ELECTRICAL
SECTION 4 ........ RS-06A LOADER PART
SECTION 5 ........ REPLACEMENT PARTS LIST
1-2
SECTION 1
SUMMARY
CONTENTS
NEW FUNCTIONS OF DVB-T/HDD/DVD RECORDER .................................................................. 1-3
PRODUCT SAFETY SERVICING GUIDELINES FOR
DVB-T/HDD/DVD RECORDER PRODUCTS...................................................................................... 1-4
SERVICING PRECAUTIONS................................................................................................................... 1-5
SERVICE INFORMATION FOR EEPROM IC SETTING................................................................. 1-6
UPGRADE THE MAIN & LOADER PROGRAM................................................................................ 1-7
SPECIFICATIONS ....................................................................................................................................... 1-9
1-3
NEW FUNCTIONS OF DVB-T/HDD/DVD RECORDER
• HDMI
-
-
zz
brbr
FAST DUBBING
1-4
PRODUCT SAFETY SERVICING GUIDELINES FOR
DVB-T/HDD/DVD RECORDER PRODUCTS
IMPORTANT SAFETY NOTICE
-
CAUTION-
GRAPHIC SYMBOLS
-
CAUTION
SERVICE INFORMATION
FIRE AND SHOCK HAZARD
-
-
-
-
TIPS ON PROPER INSTALLATION
-
-
1-5
SERVICING PRECAUTIONS
-
General Servicing Precautions
-
Caution -
-
Insulation Checking Procedure
Note 1
Electrostatically Sensitive (ES) Devices
-
-
-
1-6
SERVICE INFORMATION FOR EEPROM IC SETTING
1. Press both “CLEAR” button on the Remocon and “ OPEN/CLOSE” button on the Front Panel about ±5
sec.
The picture on OSD will be as bellow :
2. To MOVE from OP1 (Option 1) to another option, press ◀▶ button on the Remote Control.
3. To CHANGE the option code, press ▲▼ button on the Remote Control.
4. To APPLY the option Code, after change the option press OK/Enter button on Remote Control.
5. To INITIALIZE the system, press “CLEAR” button on the R/C together with “ OPEN/CLOSE” on the Front
Panel about ±5 sec.
Note : This process will only clear the mapping channel and not delete data on HDD.
6. To exit from the option Code menu without Initialize the system, just turn off the power and then turn on
again.
OP1 :
OP2 :
OP3 :
OP4 :
OP5 :
OP6 :
OP7 :
OP8 :
OP9 :
OPA :
5
DA
[LGEDG / LGEHS]
70
31
60
0E
AA
44
05
0C
00
CA
30
D1
60
0E
AA
47
12
0C
00
Checksum of Option : 0x1105
DVD read time : --- second
CD read time : 10 sec -- > OK
00000000
00000000 071102A
00000000
00000000
00000000
00000000
00000000 Write : OK
00000000 E x i t : MP
00000000 Move : < >
00000000 E d i t :
1-7
UPGRADE THE MAIN & LOADER PROGRAM
1. MAKING UPGRADE DISC MAIN SW AND
LOADER SW
2. UPGRADE MAIN S/W
-
-
-
3. UPGRADE LOADER S/W
1-8
-
4. S/W VERSION INFORMATION
1-9
SPECIFICATIONS
• General
• recorDInG
Video recording format
Audio recording format
• Playback
• InPuts
• outPuts
1-10
MEMO
2-1
SECTION 2
CABINET & MAIN CHASSIS
CONTENTS
EXPLODED VIEWS.....................................................................................................................................
.................................................................................................
................................................................................................
.........................................................................................................
2-2
468
A47
SMPS
BOARD
A43
CABLE6
468
CABLE5
261
A52
468
I/O BOARD
468
A54A
253
HDMI
BOARD
CABLE7 468
468
A54
CABLE10
104
468
A53
CABLE11
468
410
261
A26
462
250
462
462
300
260
261
261
273 261
261
264
470
465
465
320
A44
A46
MAIN
BOARD
471
468
290
282
286
286
287
288
478
284
285
452
274
283
281
KEY
BOARD
TIMER
BOARD
CABLE1
CABLE2
452
275
275
275
452
452
A50
A43A
EXPLODED VIEWS
1. CABINET AND MAIN FRAME SECTION
289
465
CABLE13
101
2-3
2. DECK MECHANISM SECTION (RS-06A)
Main C.B.A
1018
10431045
1431
1002
1020
1439
1046
1047
1011
1013
1017
1433
1026
1016
1015
1012
1001
1003
RS-06A(DR-11H)
1030
1437
1032
1033 1434
1437
1034
1025
1038
1036
1432
1432
1432
1041
A005
A001
A006
A46A
1019
2-4
3. PACKING ACCESSORY SECTION
3-1
SECTION 3
ELECTRICAL
CONTENTS
ELECTRICAL TROUBLESHOOTING GUIDE
..........
............
..................3-4
.................................
................................
.........................................3-9
...................
.........................3-11
......................
..........................................3-13
..........................................3-14
...............................................3-15
....................3-16
...........3-17
WAVEFORMS ........................................................
.............................................
..........
z...
.................................
...............................................
...................................................
WIRING DIAGRAMS ...........................................
......................................
......................................
BLOCK DIAGRAMS............................................
........................
................3-31
.................
. . 3-33
......................3-34
.................3-35
.............3-36
.................3-37
.............
.....................3-39
.......
......................................3-41
CIRCUIT DIAGRAMS..........................................3-43
............................3-43
............................3-45
...............3-47
......................3-49
....3-51
6. .....................3-53
...............3-55
....3-57
...............................3-59
...................3-61
........................................3-63
...........................3-65
................................3-67
• cIrcuIt VoltaGe cHart...................3-69
PRINTED CIRCUIT BOARD DIAGRAMS ..3-77
...........................................3-77
................................................3-79
........................
............................
.....................................................
...........................................
3-2
ELECTRICAL TROUBLESHOOTING GUIDE
1. POWER SUPPLY ON SMPS BOARD
3-3
3-4
2. POWER SUPPLY ON I/O BOARD
3-5
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