LG HT502SH, SH52SH /C/S/W Schematic

RECEPTOR DVD
MANUAL DE SERVIÇO
MODELO : HT502SH SH52SH-C,SH52SH-S,SH52SH-W
MANUAL DE SERVIÇO
P/NO : AFN32853211 JANUARY, 2007
http://biz.lgservice.com
MODELO : HT502SH
SH52SH-C,SH52SH-S,SH52SH-W
2-4 2-5
DIAGRAMA DE FIAÇÃO
FAN
VOLUME
DC
ACK
MD
SMPS PCB
FRONT PCB
VFD
AMP PCB
SPEAKER TERMINAL
MAIN PCB
HDMI JACK
SCART JACK AV JACK
COMPONENT S/W
OPTICAL IN
HEAT SINK
PN602
PN203
PN601
CN602
PN603
PN202
PN206
PN302
PN202 6630R-FB05K
6630XE00111
PN204
11PIN
MIC1
CN301
EAD35219301
MIC2
USB
STEREO
PN301
PN103
P4401
6630XE00123
23PIN
CN902CN901
P4402
6630XE00109
3PIN
15PIN
9PIN
14PIN
TUNER
KEY PCB
561-711O
6630XE00120
6630XE001206630XE00124
EAD35214501
EAD35219501
561-715N
561-661B
6630XE01224
6630XE00118
561-711C
6630R-FB05R
CABLE3 EAD35201502
CABLE1 EAD35201101
CABLE4 EAD35201302
CABLE2 EAD35632101
EAD35214501
EAD35219501
2-6 2-7
DIAGRAMA DE BLOCOS
IC508
PORTA
BLE
IC204
AK5358
ADC
IC203
NJM4580
OPAMP
DVD_DI
DVD_CLK
DVD_CE
DVD_DO
IC501
IP9009A
IC601
TAS5152
TAS5152
TAS5152
TAS5152
FL
FR
WF
C
RL
RR
2-8 2-9
DIAGRAMAS DE CIRCUITO
1. DIAGRAMA DO CIRCUITO SMPS (PRINCIPAL)
A
1
2
3
4
5
6
7
8
9
10
11
12
B C D E F G H I J K L M N O P Q R ST
NOTES) Symbol denotes AC ground.
NOTES) Symbol denotes DC chassis ground.
NOTE) Warning
NOTE) Parts that are shaded are critical NOTE) With respect to risk of fire or NOTE) electricial shock.
IMPORTANT SAFETY NOTICE
WHEN SERVICING THIS CHASSIS, UNDER NO CIR­CUMSTANCES SHOULD THE ORIGINAL DESIGN BE MODIFIED OR ALTERED WITHOUT PERMISSION FROM THE LG CORPORATION. ALL COMPONENTS SHOULD BE REPLACED ONLY WITH TYPES IDENTI­CAL TO THOSE IN THE ORIGINAL CIRCUIT. SPECIAL
COMPONENTS ARE SHADED ON THE SCHEMATIC FOR EASY IDENTIFICATION.
THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIF­FER FROM THE ACTUAL CIRCUIT USED. THIS WAY, IMPLEMENTATION OF THE LATEST SAFETY AND PERFORMANCE IMPROVEMENT CHANGES INTO THE SET IS NOT DELAYED UNTIL THE NEW SERVICE LITERATURE IS PRINTED.
NOTE :
1. Shaded( ) parts are critical for safety. Replace only with specified part number.
2. Voltages are DC-measured with a digital voltmeter during Play mode.
2-10 2-11
2. DIAGRAMA DO CIRCUITO DAINTERFACE DE ALIMENTAÇÃO
A
1
2
3
4
5
6
7
8
9
10
11
12
B C D E F G H I J K L M N O P Q R ST
2-12 2-13
3. DIAGRAMA DO CIRCUITO µ-COM (PRINCIPAL)
A
1
2
3
4
5
6
7
8
9
10
11
12
B C D E F G H I J K L M N O P Q R ST
2-14 2-15
4. DIAGRAMA DO CIRCUITO SERVO
A
1
2
3
4
5
6
7
8
9
10
11
12
B C D E F G H I J K L M N O P Q R ST
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