Service manual

CRITICAL SAFETY COMPONENTS ARE IDENTIFIED BY THE LETTER “X“ IN THEIR
COMPONENT DESIGNATORS. REPLACE ONLY WITH PART NUMBERS SPECIFIED.
ALL SYMBOLS WITH “M” ON END OF DESIGNATOR
INDICATE SURFACE MOUNTED COMPONENT
6-3
GA SHEET 3
GA1 MAIN PROCESSOR
1211109
G
F
E
D
C
B
A
87654321
1
2
3
4
5
6
7
11
10
9
8
VOUT
VS
GND
SB
+5V
SB
+5V
SB
+5V
SB
+5V
SB
+5V
SB
+5V
SB
+5V
SB
+5V
SB
+5V
SB
+5V
SB
+5V
1uS
WF5
3.92V
WF4
4.92V
5mS
WF3
4.88V
4.88V
20uS
20uS
WF2
20mS
5V
WF1
20 mS
WF1-A
5V
5.0
0
5.1 5.0
5.1
5.1
0
5.1
0
0
0
0
0
0
0
0
0.7
0
0
9.6
5.1
0
5.1
0
0
5.1
5
5.1
5
0
0
0
5
0
5.1
5.1
5.1
5.1
0
2.1
2.4
0
0.6
0
0
0.4
5.1
0.5
0.5
5.1
0
0
0
5.1
0.3
5.1
5.1
0.4
0.4
0.4
1.2
5.1
4.3
0
0.7
50
5
0.4
4.3
0
0.1
TUNER
AUXSWITCH
AGC
MS0
VOL-CTRL
MS1
SAP-IND
COMP-VIDEO
PWRCONT
STEREO-IND
SYNC
FORCEDMONO
AFC
FLYBACK
VERT-DRIVE
WF
4
16V
1000uF
175-2720
5
1
2
3
4
SETUP
FACTORY
SDA
SCL
IDENT
8
7
6
5
4
3
2
1
221-745-04
EEPROM
50V
2.2uF
470pF
50V
224-74-2A
8MHZ
1 2 3
162-00046
50V
10uF
16V
100uF
50V
4.7uF
PROV
50V
4.7uF
50V
4.7uF 10K
330
VOL-DOWN
ON/OFF
CH-UP
VOL-UP
MENU
CH-DOWN
50V
0.1
100pF 50V
100pF 50V
IF
SHT.4
AGC
SHT.4
SHT.4
R
SHT.4
G
SHT.4
B
SHT.4
FASTBLANK
SHT.2
AUXSWITCH
SHT.2
MS0
SHT.2
MS1
SHT.2
VOL-CTRL
SHT.2
SAP-IND
SHT.2
STEREO-IND
SHT.4
SCL
SHT.4
SDA
SHT.2
FORCEDMONO
SHT.4
PWRCONT
SHT.4
COMP-VIDEO
(NOT USED)
MUTE
SHT.4
SYNC
SHT.4
AFC
SHT.4
VERT-DRIVE
SHT.4
FLYBACK
100pF 50V
E
B
C
121-1310A
E
B
C
121-1310A
100pF 50V
50V
470pF
50V
470pF
50V
470pF
47pF
50V
470pF
50V
10K
PROVPROV
103-461A
10K
E
B
C
PROV
220
220
4.7K4.7K 4.7K
220
PROV
220
4.7K
220
10K
220
12uH
27K
25V
0.01
1M1M
220
PROV PROV
PROV
PROV
0 Ohm
15K
1K
PROV
1uF
50V
PROV
2K
1K
2K
1K
1K
2K 10K1K
1K
10K
4.7K
39K
2.2K
4.7K
10K
10K
1.5K
220
1K
10K
0.01
25V
390
4700pF
50V
1K
1uH
4.7K
510K
GND
OUTVCC
221-01177A
0.01
25V
0.01
25V
100pF
50V
100pF
50V
100pF
50V
100pF
50V
0.01
25V
180pF
50V
1000pF
50V
27pF
50V
100uH
PROV
27pF
50V
20pF
50V
20pF
50V
50V
220pF
1000pF
50V
220pF
50V
470pF
50V
120pF
50V
470pF
50V
0.01
25V
0.01
25V
103-279-36A
33V
0.1
50V
47K
220
4.7uH
SBF
+5V
+33V
SW
+5V
SW
+9V
B+
AUD
+5V
SBF
+5V
SBF
+5V
SBF
27
28
29
30
31
32
33
34
35
36
37
38
26
25
24
23
22
21
20
19
18
17
16
15
39
40
41
42
43
44
45
46
47
48
49
50
51
52
14
13
12
11
10
9
8
7
6
5
4
3
2
1
ID
MONO
MUTE
P/L
R
G
B
FB
VOL0
VOL1
MS0
MS1
SAP
ST.ID
AUX-SW
N/C
N/C
SCL1
SCL2
SDA1
SDA2
IDENT
N/C
FORCED
POWER
N/C
RESET
OSC-OUT
OSC-IN
VDDVSS
XOUT
XIN
CNVSS
CVIN
VHOLD
RVCO
HLF
AVDD
N/C
N/C
IR.DET
MUTE
N/C
N/C
N/C
POWER
ADC1/CDS
ADC2/KEY1
ADC3/KEY2
SD
N/C
TLCK
ADC4/AFC
VSYNC
HSYNC
WF
3
SHT.4
EXT-VIDEO
SHT.2
EXT-VIDEO
50V
470pF
50V
220pF
50V
220pF
50V120pF
50V120pF
50V
220pF
WF
2
+5V
SBF
WF
5
WF
1
WF
1-A
SHT.2
COMP-AUD
SHT.4
COMP-AUD
JUMP
TP6005
CX6027
TP6006
TP6004
TU6000
4G9
IC6001
C6016
C6041M
CRY6001
IR6000
C6032
C6030
C6028
C6022
C6020
C6004 R6029
R6028
SW5
SW1
SW2
SW4
SW6
SW3
C6009
C6050M
C6049M
C6048M
Q6001
Q6002
C6047M
R6040M
C6046M
C6045M
C6044M
C6035M
C6040M
R6059M
R6063MR6062M
D6001
R6060M
Q6003
R6050M
R6049M
R6048MR6047M R6046M
R6044M
R6056
R6042M
R6045M
R6043
R6072M
R6041
L6001
R6037M
C6056M
R6035MR6034M
R6038
R6053M R6054M
R6051
R6052
R6033M
R6032M
R6031M
R6055
C6006
R6026M
R6025M
R6022M
R6024M
R6023M
R6021M
R6020M R6018MR6019M
R6015
R6017M
R6027
R6012M
R6013M
R6005M
R6008
R6003M
R6058
R6002M
R6009
R6007M
C6043M
R6006M
C6031M
L6004
R6016
L6003
R6001M
R6080M
IC6002
TP6010
C6029M
C6026M
C6033MC6025MC6024MC6023M
C6021M
C6019M
C6018M
C6015M
L6000
R6061M
C6014M
C6010M
C6011M
C6008M
C6007M
C6005M
C6003M
C6001M
C6002M
C6012M
C6042M
ZD6001
C6017
R6004
R6039
L6005
IC6000
FB6002
C6051M C6052M C6053M
C6054M
C6055M
C6036
FB6001
L6002
58-526-05
85-01832
85-01832
85-01832
85-01832
85-01832
85-01832
20-4129-21
6.8 uH
020-04277-20A
20-4129-8
20-3907-24A
20-4129-16
149-00583-01149-00549
M ODULE
009-01869 009-01869-01 009-01870 009-01870-01 009-01871 009-01871-01 009-01950 009-01950-01 009-01990 009-01990-01 009-01991 009-01991-01 009-01992
FEATURES MONO MONO LC STEREO LC STEREO MTS STEREO MTS STEREO
MONO W/JA CKS MONO W/JA CKS MONO MONO LC STEREO LC STEREO MTS STEREO
COMPONENT LEVEL
REPA IR ONLY