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Panasonic TH-37PA20AA Service Manual page 486

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R2220
R2203
100
10k
C2222
R2222
50V
2.2
0.1u
R2226
C2226
50V
2.2
0.1u
L2220
EXC3BB221H
HP_R
221
C3BB221H
HP_GND
HP_L
Q2202
B1ABCC000004
SOUND DEF
R2200
R2201
47k
47k
R2250
10k
R2251
10k
C2270
16V
100u
IC2207
C0ABBB000102
VAO
MAIN_RF
MAIN_RF_GND
JS3121
SUB9V
R3180
470
R3181
470
C3125
R3182
470
16V
100u
R3183
470
D3110
33
MAZ30680ML
V
u
L3117
EXCELDR35V
SUB9V
C3134
16V
AV4_RED/C
0.1u
AV4_GREEN
R3172
AV4_BLUE
10k
TV_L
AV1_RED
AV1_GREEN
AV1_BLUE
TV_R
5
47
L2200
ELJPA100KF
10u
IC2200
C2202
C2201
AN17880A-E1
50V
50V
10u
10u
C2203
1
16
Ripple Filter
Bias input
16V
+
1u
2
15
NP
CAMP_SW
Bias Output
C2205
3
14
16V
VCC
Standby
100u
R2204
4
13
OUT_2
Mute
0
C2207
0.22u
25V
5
12
CAMP_OUT
Mute_T
R2205
6
11
OUT_1
Beep_IN
0
R2206
R2207
10k
10k
7
10
OUT_GND
IN_GND
8
9
IN_1
IN_2
R2208
0
HP AMP
R2209
0
8V
L2207
EXCELDR35V
R2258
C2273
C2272
100
1u
1u
R2253
10V
10V
47k
Q2203
R2254
C2274
33k
47p
MSB709-T1
50V
R AMP
C2271
GND
16V
R2261
R2260
0.1u
4.7k
100
R
L
Q2204
MSB709-T1
VCC
L AMP
C2276
50V
0.01u
C2275
50V
R2257
47p
33k
R2256
C2008
C2007
47k
50V
50V
10u
10u
IC3102
TDA8601T/C1
C3142
D3140
16V
MAZ31200ML
0.1u
SWITCHING
1
DECODING
D3141
VIDIa1
R3159
C3135
MA2J11100L
100
10V 1u
SELECTABLE
2
CLAMP
D3143
D3142
C3136
R3160
VIDIb1
MA2J11100L
MA2J11100L
10V 1u
100
SELECTABLE
3
CLAMP
D3145
D3144
R3161
C3137
VIDIc1
MA2J11100L
MA2J11100L
100
10V 1u
SELECTABLE
4
CLAMP
D3146
C3141
3-STATE
MA2J11100L
16V 0.1u
PICT1 PICT2
5
D3147
VIDIa2
MA2J11100L
3-STATE
C3138
SELECTABLE
10V 1u
6
CLAMP
R3162
D3149
D3148
C3139
100
VIDIb2
MA2J11100L
MA2J11100L
3-STATE
10V 1u
SELECTABLE
7
CLAMP
D3151
R3163
D3150
C3140
100
MA2J11100L
VIDIc2
3-STATE
MA2J11100L
10V 1u
SELECTABLE
8
CLAMP
R3164
D3152
100
MA2J11100L
6
D2001
MA3X152K0L
8V
1
IN
3
OUT
C2010
COM
16V
2
C2011
0.1u
25V
470u
IC2001
AN77L08M-E1
C2204
AVR 8V
10u
16V
C2212
16V
R2210
2.2u
100
C2214
50V
1000p
R2211
100
C2213
2.2u
C2215
16V
50V
1000p
R2286
10k
R2259
C2262
C2228
4.7k
1u
10V
R2295
R2296
1u
27k
47k
R2279
C2288
R2245
33k
47p
10k
50V
C2289
C2290
GND
100u
0.1u
16V
16V
R
IC2206
L
C0ABBB000102
VCC
VAO
C2286
C2287
0.01u
R2282
50V 47p
50V
33k
R2283
R2284
47k
27k
C3170
R3174
47u
R3184
33k
35V
82
Y
16
Q3170
R3175
33k
B1ABCC000004
AV4_FB
15
BUFFER
R3165
1k
AV1_FB
14
R3166
C3171
R3176
10u
R3185
1k
33k
50V
82
FB
PB
13
R3167
TP3100
100
Q3171
R3177
33k
R
B1ABCC000004
12
R3168
TP3101
100
BUFFER
G
11
R3169
TP3102
100
C3172
R3178
B
10u
10
R3186
33k
50V
82
PR
R3170
100
Q3172
9
R3179
33k
B1ABCC000004
BUFFER
7
C2017
16V
0.1u
L2028
EXCELDR35V
R2006
R2001
4.7k
100
Q2003
MSB709-T1
R AMP
R2007
R2002
4.7k
100
Q2004
MSB709-T1
L AMP
C3177
50V
10u
C3174
0.1u
16V
AV4C_Y
R3187
470
C3175
0.1u
16V
AV4C_PB
R3188
470
C3176
0.1u
16V
AV4C_PR
R3189
470
TH-42PA20B/E
H-Board(1of2)Schematic Diagram
8
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
9

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