55
12.13. A-Board (8/19) Schematic Diagram
+
Thermal Pad
S
S
S
+
C2316
0.1u
50V
C2324
25V
1u
C2301
16V
0.1u
C2335
25V
0.1u
C2318
0.1u
50V
C2323
0.1u
50V
C2104
50V
10p
C2325
50V
1000p
C2347
50V
0.022u
C2321
0.1u
50V
C2343
50V
0.022u
C2340
50V
0.022u
C2345
50V
0.022u
C2342
50V
0.022u
C2334
50V
0.47u
C2338
25V
0.1u
C2302
16V
0.1u
C2057
10u
10V
C2336
25V
0.1u
C2055
10u
10V
C2346
50V
0.022u
C2355
50V
1000p
C2341
50V
0.022u
C2313
50V
1000p
C2344
50V
0.022u
C2304
25V
1u
C2337
50V
0.47u
C2320
25V
1u
C2351
50V
1000p
C2339
25V
0.1u
C2074
25V
0.033u
C2353
50V
1000p
C2314
25V
1u
C2349
50V
1000p
C2317
25V
1u
C2107
10V
1u
C2108
10V
1u
C2357
10u
25V
C2309
10u
25V
C2312
10u
25V
C2356
10u
25V
C2110
16V
0.1u
C2072
6.3V
100u
D2014
B0ACCJ000048
C1AB00003230
IC2301
1
STBY
44
PVD1
2
MUTE
3
SOS
4
NC1
5
NC2
6
NC3
7
NC4
8
PWM_A1
9
PWM_B1
10 NC5
11 NC6
12 NC7
13 GND
14 PWM_B2
15 PWM_A2
16 NC8
17 NC9
18 NC10
19 NC11
20 NC12
21 NC13
22 NC14
23
PVD2
24
PVD2
25
OUT_CH2_P
26
OUT_CH2_P
27
BOOT_CH2_P
28
VDDA2
29
BOOT_CH2_N
30
OUT_CH2_N
31
OUT_CH2_N
32
PGND2
33
PGND2
34
PGND1
35
PGND1
36
OUT_CH1_N
37
OUT_CH1_N
38
BOOT_CH1_N
39
VDDA1
40
BOOT_CH1_P
41
OUT_CH1_P
42
OUT_CH1_P
43
PVD1
A11
1
2
3
4
L2301
J0JHC0000042
L2302
G1C3R0ZA0156
L2303
G1C220MA0416
L2305
G1C220MA0416
L2304
G1C220MA0416
L2306
G1C220MA0416
SUB3.3V
SUB5V
SUB3.3V
AVDD3.3V
S_15V
R2065
R2066
R2107
TP2304
TP2302
TP2008
TP2303
TP2301
HP1_L1
NSHUTDOWN
AMP_MUTE
AV_L
LO2_L
PWM1RN
PWM0LP
PWM1RP
PWM0LN
MUTEB
SIF
HP1_R1
LO1_L
LO1_R
AV_R
HP_MUTE_CTL
LO2_R
A_MUTE
EA8
LIN5_RP
LO2_R_AVSW
SIFINP
HP_ROUT
SIFINN
LO1_L_AVSW
LO1_R_AVSW
LO2_L_AVSW
LIN5_LP
Q2254
B1AAFB000002
Q2255
DSC2001S0L
Q2109
DSA200100L
Q2252
DSA200100L
Q2301
DSA200100L
Q2101
DSA200100L
R2302
EXB28V220JX
R2321
3.3
140k
R2055
R2264
100
R2318
3.3
R2135
1k
R2101
3.3k
R2309
2.2k
R2104
1.2k
R2121
680
R2103
22
R2310
2.2k
R2070
10k
R2254
100
140k
R2053
R2259
100
R2319
3.3
R2102
4.7k
10k
R2301
R2255
47k
R2260
10k
R2139
220
R2110
22
R2308
220
R2307
4.7k
R2320
3.3
R2258
100
R2257
1M
R2304
47k
R2263
10k
R2256
10k
R2330
0
R2331
0
R2069
10k
Q2253
B1AAFB000002
C2073
25V
0.033u
C2071
6.3V
100u
HP_LOUT
To SOS
MUTE
SOS
RESET
PWM_READY
OPERATE
OPERATE
<< Monitor L
Peaks-COMMON
<< MainHP L
<< TV R
<< TV L
<< Monitor R
<< MainHP R
TUNER
AVSW
R+
L+
R-
TO SPEAKER
L-
TV_L-OUT
TV_R-OUT
MON_R-OUT
MON_L-OUT
Analog-ASIC
MUTE
OPERATE
MUTE
NORMAL
MUTE
NORMAL
69
65
71
72
66
68
64
70
67
!
A-BOARD (8/19)
AUDIO AMP
TO 2/19
TO 2/19
TO 2/19
TO 2/19
TO 2/19
TO 3/19
TO 3/19
TO 2/19
TO 3,6/19
TO 9/19
TO 12/19
TO 12/19
TO 11/19
TO 10/19
AUDIO AMP
Summary of Contents for TX-P42C2B
Page 21: ...21 7 4 No Picture ...
Page 32: ...32 ...
Page 38: ...38 ...
Page 40: ...40 11 4 Wiring 3 ...
Page 41: ...41 11 5 Wiring 4 ...
Page 42: ...42 ...
Page 43: ...43 12 Schematic Diagram 12 1 Schematic Diagram Note ...
Page 82: ...82 A B C D E F G H I 1 2 3 4 5 6 P BOARD COMPONENT SIDE LSEP1287LEHB ...
Page 92: ...92 ...
Page 94: ...94 14 1 2 Exploded View 2 ...
Page 95: ...95 14 1 3 Packing 1 ...
Page 96: ...96 14 1 4 Packing 2 ...
Page 97: ...97 14 1 5 Mechanical Replacement Parts List ...
Page 101: ...101 14 2 Electrical Replacement Parts List 14 2 1 Replacement Parts List Notes ...