Panasonic TH-37PA20A, Service Manual

Page: 450 / 600

+
RED
WHITE
NP
NP
Y
PR
PB
+
+
NP
NP
+
NP
+
+
+
+
+
+
+
+
AV1_VOUT
AV1_ROUT
AV4_VOUT
AV4_VOUT
AV1_LOUT
AV4_RED/C
FB
MAIN_RF_GND
AV2_LOUT
AV2_ROUT
MON_L
TV_R
MON_R
TV_L
R_OUT
SERVICE
R
G
B
AV1_RED
AV1_GREEN
AV1_BLUE
AV1_R
AV2_VOUT
AV2_VOUT
AV4_RED/C
AV4_RED/C
AV4_GREEN
AV4_BLUE
AV4_ROUT
AV1_SLOW
AV4_SLOW
AV4_L
AV2_R
MAIN_RF
AV4_GREEN
AV1_BLUE
AV1_GREEN
AV1_RED
AV4_BLUE
QLINK_SELECT
AV4_FB
AV1_FB
AV_MUTE
AV1_L
AV2_ROUT
AV2_LOUT
AV2_L
AV4_LOUT
L_OUT AUDIOOUT_L AUDIOOUT_R
HP_R
HP_L
HP_GND
SOUND_DEF
AV4_R
AV2_SLOW
AV2_QLINK
AV4_QLINK
RGB_SEL
Y
PB
PR
Y
AV4C_Y
PB
AV1_V
AV1_FB
AV2_V
AV2_C
AV4_V
AV4_FB
AV4C_PB
PR
AV4C_PR
AUDIOOUT_L
AUDIOOUT_R
SUB9V
SUB9V
SUB9V
SCL1
8V
8V
SDA1
AV_MUTE
C3100
50V
560p
L2200
ELJPA100KF 10u
C3138
10V 1u
R2205
0
R3187
470
C2222
50V
0.1u
C3142
16V
0.1u
C3114
50V
560p
C3172
50V
10u
R3181 470
1%
R3112
75
1/4W
R3277
390
D3151
MA2J11100L
Q2204
MSB709-T1
L3115
EXC3BB221H
D3144
MA2J11100L
R3145
75
1%
R3103
75
JK3101
K1FB121A0006
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Q3171
B1ABCC000004
R3127
22k
R3151
1k
R3176
33k
JS3110 ERJ6GEY0R00V
C3131
6.3V
3.3u
JK3104
K2HA204A0038
C3115
50V
560p
AN17880A-E1
IC2200
1
Ripple Filter
2
CAMP_SW
3
VCC
4
OUT_2
5
CAMP_OUT
6
OUT_1
7
OUT_GND
8
IN_1
9
IN_2
10
IN_GND
11
Beep_IN
12
Mute_T
13
Mute
14
Standby
15
Bias Output
16
Bias input
R2259
4.7k
JS3116
ERJ6GEY0R00V
C2215
50V
1000p
D3106
MAZ40680MF
D3100
MAZ81400ML
R3167
100
R3178
33k
R2201
47k
C2007
50V
10u
D3107
MAZ81400ML
L3118
ELJPA100KF
10u
R3137
47k
R3141
220
R2286
10k
C3124
16V
1u
R2279
33k
JK3102
K1FB121A0006
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
D3152
MA2J11100L
R2208
0
1%
R3102
75
1% R3108 75
C3127
16V 1u
C2287
50V 47p
1/4W
R3148
390
Q2202
B1ABCC000004
R2002
100
IC3102
TDA8601T/C1
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
C2204
16V
10u
R3158
5.6k
R2254
33k
R3199
3.3k
R3152
1k
JK3103
K2HA307A0008
Y-SW
Y
Y-G
PB
PB-G
PR
PR-G
C3122
16V
100u
R3168
100
L2222
EXC3BB221H
R3126
100k
R2225
2.2
C3139
10V 1u
Q3196
B1ABCC000004
C2288
50V
47p
D3141
MA2J11100L
L3110
EXC3BB221H
C002
16V
0.1u
D3143
MA2J11100L
R2210
100
R2261
4.7k
L3111
EXC3BB221H
C0ABBB000102
IC2207
1 2 3 4
5 6 7 8
C2011
25V
470u
JS3114
ERJ6GEY0R00V
R3129
22k
R3121
100k
R2211
100
C2275
50V
47p
R2260
100
R2207
10k
L3109
EXC3BB221H
R3150
1k
C2276
50V
0.01u
JS3113
ERJ6GEY0R00V
R3182 470
R3134
100k
L2207
EXCELDR35V
1%
R3101
75
JS3111 ERJ6GEY0R00V
R3123 100
L3114
EXC3BB221H
R3142
3.3k
C2010
16V
0.1u
Q3172
B1ABCC000004
JS3100
C3134
16V
0.1u
Q3107
B1ABCC000004
JS3108 ERJ6GEY0R00V
D3146
MA2J11100L
D3122
MAZ81400ML
C3113
50V
560p
L2028
EXCELDR35V
R3156
220
C2290
16V
0.1u
R3198
220
JS3115
ERJ6GEY0R00V
1%
R3104
75
TP3100
R3125 68
R2251
10k
D3121
MAZ81400ML
JS3121
C3141
16V 0.1u
L3113
EXC3BB221H
C3101
50V
560p
TP3101
Q3105
B1ABCC000004
C3106
50V
560p
C3174
16V
0.1u
R2206
10k
R2203
10k
C3175
16V
0.1u
R3170
100
D2001
MA3X152K0L
Q2004
MSB709-T1
C2225
50V
0.1u
D3120
MAZ81400ML
L3104
EXC3BB221H
R3131
12k
R3130
12k
R3124
68
1/4W
R3276
390
Q3170
B1ABCC000004
C3120
16V
10u
R2296
27k
C3126
6.3V
3.3u
C3121
16V
10u
D3109
MAZ81400ML
R2245
10k
R2226
2.2
D3101
MAZ81400ML
R3197
3.3k
C3133
16V
0.1u
C2274
50V
47p
C1AB00000421
IC3100
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
R2253
47k
R3175
33k
R3132
12k
R3183 470
C2017
16V
0.1u
1/4W
R3149
390
C2262
10V
1u
C3107
50V
560p
L2221
EXC3BB221H
R2222
2.2
R2295
47k
R3196
220
R3186
82
R2204
0
R3120
22k
R3165
1k
JS3118
ERJ6GEY0R00V
L3117
EXCELDR35V
R3189
470
JS3107 ERJ6GEY0R00V
R2209
0
D3118
MAZ81400ML
C3137
10V 1u
R3164
100
JS3120
ERJ6GEY0R00V
R2001
100
R2256
47k
Q3100
B1ABCC000004
C3109
50V
560p
Q3102
B1ABCC000004
R3128
22k
C3176
16V
0.1u
R3184
82
C2226
50V
0.1u
R3144
75
C3135
10V 1u
JS3112
ERJ6GEY0R00V
D3145
MA2J11100L
JS3117 ERJ6GEY0R00V
R3160
100
R2284
27k
C2289
16V
100u
D3111
MAZ81400ML
R3159
100
C2228
1u
C3128
16V
1u
R2007
4.7k
L3112
EXC3BB221H
C2008
50V
10u
C3104
50V
560p
D3148
MA2J11100L
Q2003
MSB709-T1
C3123
16V
1u
C2214
50V
1000p
C3170
35V
47u
1%
R3116
75
L3102
EXC3BB221H
R2250
10k
D3114
MAZ81400ML
C2205
16V
100u
R3138
3.3k
D3142
MA2J11100L
R3114
22k
C2273
10V
1u
C2271
16V
0.1u
L3108
EXC3BB221H
R2200
47k
R3185
82
D3116
MAZ81400ML
D3110
MAZ30680ML
1%
R3113
75
R3179
33k
C3143
16V
1u
1%
R3106
75
Q3197
B1ABCC000004
D3147
MA2J11100L
R2006
4.7k
R3174
33k
L3100
EXC3BB221H
R3119
22k
R2257
33k
C3130
16V
1u
R2283
47k
C2201
50V
10u
Q3101
B1ABCC000004
C2286
50V
0.01u
R3169
100
H9
1 2 3 4 5 6
R3180
470
C2272
10V
1u
L3101
EXC3BB221H
R3143
75
D3113
MAZ81400ML
C2212
16V
2.2u
JS2227 0
L3105
EXC3BB221H
JK3100
K1FB121A0006
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
C3116
50V
1000p
C3108
50V
560p
R3136
10k
C2270
16V
100u
C2213
16V
2.2u
D3115
MAZ81400ML
R3163
100
C2207
25V
0.22u
Q3104
B1ABCC000004
C3110
50V
560p
R2282
33k
D3105
MAZ40680MF
1%
R3107
75
R3157
3.3k
L3116
EXC3BB221H
C3136
10V 1u
1% R3110 75
R3140
220
D3119
MAZ81400ML
C3140
10V 1u
Q3103
B1ABCC000004
C0ABBB000102
IC2206
1 2 3 4
5 6 7 8
R3117
22k
R3172
10k
JS3109 ERJ6GEY0R00V
L2220
EXC3BB221H
R2221
100
R3153
3.3k
1%
R3105
75
C2202
50V
10u
C2203
16V
1u
Q3106
B1ABCC000004
D3149
MA2J11100L
1%
R3111
75
Q2203
MSB709-T1
R3135
100k
IC2001
AN77L08M-E1
IN
3
2
COM
OUT
1
R3166
1k
1/4W
R3275
390
R3162
100
R3122 100
C3171
50V
10u
R3177
33k
TP3102
L3107
EXC3BB221H
C3177
50V
10u
D3108
MAZ81400ML
C3103
50V
560p
D3123
MAZ81400ML
R3154
220
1% R3100 75
C3111
50V
1000p
R3118
22k
R3188
470
C3125
16V
100u
C3132
6.3V
3.3u
R3161
100
L3103
EXC3BB221H
C3102
50V
560p
JS3119
ERJ6GEY0R00V
R2220
100
L3106
EXC3BB221H
C1AB00000948
IC3101
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
R3155
220
R3115
22k
D3112
MAZ81400ML
1/4W
R3147
390
R2258
100
D3150
MA2J11100L
D3140
MAZ31200ML
1%
R3109 75
JS3106
ERJ6GEY0R00V
C3105
50V
560p
C3112
50V
1000p
D3102
MAZ81400ML
JS3101
JS3102
JS3103
JS3104
JS3105
TV R OUT
GND
GND
GND
Chroma in
AV2
GND
GND(PLUG)
GND(BLK)
GND(VIDEO)
VIDEO IN
L IN
R IN
AV2 SLOW
TV L OUT
GND(AUDIO)
TV R OUT
SELECTABLE
SELECTABLE
SELECTABLE
VIDIc1
VIDIb1
VIDIa1
VIDEO OUT
VIDIa2
VIDIb2
VIDIc2
SELECTABLE
SELECTABLE
PICT1 PICT2
SELECTABLE
GND
CLAMP
AV4C
CLAMP
AV4
CLAMP
GREEN IN
DECODING
GND(BLK)
GND(RED)
BLK IN
RED IN
GND(VIDEO)
AV1
CLAMP
GND(GREEN)
GND(PLUG)
CLAMP
BLUE IN
GREEN IN
CLAMP
L IN
3-STATE
SCL1
GND(BLUE)
3-STATE
GND(BLK)
R IN
3-STATE
AV1 SLOW
GND
3-STATE
TV R OUT
GND(RED)
TV L OUT
SDA1
GND(AUDIO)
FB IN
GND(PLUG)
RED IN
VIDEO IN
GND(VIDEO)
TV VIDEO OUT
VIDEO IN
TV VIDEO OUT
GND(GREEN)
BLUE IN
L IN
GND(BLUE)
R IN
AV1 SLOW
GND(AUDIO)
TV L OUT
Q-LINK
Q-LINK
AUDIO OUT
L
GND
Vcc
CTL
GND
H
L
H
H
CTL
CTL
G
ND
L
L
GND
Vcc
CTL
GND
H
L
H
H
CTL
CTL
GND
L
VCC
L
R
GND
VCC
L
R
GND
!
H-BOARD TNPA2820(1/2)
F
5
A
B
E
9 6 8 7 3
D
4
C
1 2
SWITCHING
SWITCHING
SWITCHING
VAO
VAO
R AMP
L AMP
R AMP
L AMP
HP AMP
BUFFER
BUFFER
BUFFER
TO
(K9)
K-BOARD
AV MUTE
AV MUTE
AV MUTE
AV MUTE
BUFFER
BUFFER
BUFFER
14
13
15
11
12
8
1
4
6
5
7
9
10
3
2
16
17
20
18
19
INVERTER
SOUND DEF
SWITCHING
SWITCHING
AVR 8V
TH-42PA20B/E
H-Board(1of2)Schematic Diagram TH-42PA20B/E
H-Board(1of2)Schematic Diagram