Panasonic TC-20LB30 Service Manual page 23

R_CHS
L_CHS
L_CH
SUB9V
R_CH
L3001
ELJPA330KF
R3101
0
MAIN9V
AA_SDA1_5
R3064
AA_SCL1_5
270k
C3052
1
16V C3112
0.1u
6.3V
R3062
10u
100
3054 R3065
R_CH 150k
0
3055
L_CH
0
AA_SCL5_5
R1130
0
AA_SCL1_5
AA_SDA5_5
R1131
0
AA_SDA1_5
R3102
0
R3103
0
C056
16V
0.1u
IC1011
C0JBAS000099
R061
10k
SWITCHING
2.1 5.0
1 8
VCC
4.4 0.1 C055
2 7
16V
0.1u
0.1
4.4
3 6
R059
0 2.2
0
4 5
GND
5
28
MAIN9V
R3072
R3084
1k 220
R3087
1k
8.5
R3076
0 7.9
Q3006
7.9
2SA207700L
R3070
100 2.5
Q3001 3.6
4.3
2SC24800VL
R3077
1.9
750 3.6
R3073
510 0
TO
A1
TA-BOARD
0
GND
1
(TA1)
1.5
AGC 2
C051
0
GND 16V
3
2.2u
L 2.1
4
0
GND
5
R 2.1
6
0
GND
7
4.8
AA_SCL5_5
SCL1 8
4.7
AA_SDA5_5
9
SDA1
GND
9
0
AGC_CONT
8
0
GND
7
0
MAIN5V
6
5.0
GND
5
0
30V
4
30.6
GND
3
0
TV1_V
2
2.6
C053
GND
50V
1
4.7u
0
A2
TO
TA-BOARD
U/V TUNER
(TA2)
R052
0
TV_L
6
R2325
22
AA_SCL5_5
AA_SDA5_5
R2322
D2320 D2321
22
MAZ80620ML MAZ80620ML
MAIN9V
C2321
C2320
16V 50V
47u 0.01u
C2324
R2320
Lch_IN 10u
5.6k
NP
C2322
R2323
50V
24k
1800p
C2325
R2321
RcH_IN 10u
5.6k
NP
C2323
R2324
50V
24k
1800p
Q3008
R3111
2SA207700L
0
R057
0 AB_TV1L
R058
0
AB_TV1R
BT30V
AB_TV1V
D051
MAZ81000HL
D052
MAZ81000ML
D053
MAZ81000ML
7
7.7KHz
R2338
68k
R2342
R2334
R2332
68k
56
56
C2335 C2337
50V 50V
330p 330p C2347
C2339
C2343
50V
C2330 50V
R2337 50V
R2327 330p
330p
10V
82k 4700p
33k
4.7u
R2341
82k R2345
56k
IC2320
C1BB00000800
SOUND CTRL
R2344
56k
R2328
4.7k
C2344
R2340
50V
C2327
100k
50V
4700p
R2336
5600p
100k
C935
C2340
16V
16V
0.018u
C2336 C2338 0.018u
16V 16V
0.018u 0.018u
R2339
R2343
47k
47k
TC-20LB30
A-Board (1 of 5) Schematic Diagram
8
1
R2346
150k
C2345
50V
4700p
C2346
50V
4700p
R2347
150k
2
3
4
5
6
7
8
9
10
9