52
12.12. A-Board (6/21) Schematic Diagram
+
+
+
Thermal Pad
S
PWM_WO_R-
P
AMP_MUTE
AMP_MUTE
PWM_READY
P
PWM_WO_L-
G-SOUND_SOS
P
P
PWM_WO_L-
G-AUDIO_XRST
G-SOUND_SOS
G-AUDIO_XRST
PWM_READY
PWM_WO_R-
C2092
50V
22p
C2091
50V
10p
C2263
10u
10V
C2128
16V
0.01u
C2122
16V
0.01u
*C2261
10u
10V
C2120
56p
50V
*C2262
10u
10V
C2129
16V
0.01u
C2264
10u
10V
C2123
16V
0.01u
C2096
16V
0.1u
C2121
56p
50V
C2359
50V
1000p
C2385
50V
1000p
C2319
0.1u
50V
C2321
0.1u
50V
C2325
50V
0.47u
C2381
50V
0.022u
C2390
25V
1u
C2375
50V
0.022u
C2377
50V
0.022u
C2309
25V
1u
C2305
25V
1u
C2333
25V
0.1u
C2389
50V
1000p
C2302
16V
0.1u
C2331
50V
0.47u
C2345
50V
0.022u
C2347
50V
0.022u
C2379
50V
0.022u
C2387
50V
1000p
C2353
50V
1000p
C2323
0.1u
50V
C2337
50V
0.022u
C2383
50V
1000p
C2339
50V
0.022u
C2343
25V
0.1u
C2341
25V
0.1u
C2313
1u
10V
C2303
25V
1u
C2317
0.1u
50V
C2301
16V
0.1u
C2335
25V
0.1u
C2407
25V
10u
C2412
25V
1u
C2409
50V
1000p
C2408
25V
1u
C2411
25V
1u
C2410
25V
1u
C2098
6.3V
220u
C2361
25V
470u
C2099
6.3V
220u
D2014
MA2J11100L
D2017
MA2J11100L
C1AB00002875
IC2301
1
STBY
2
NC1
3
MUTE
4
NC2
5
PWM_A1
6
NC3
7
PWM_B1
8
NC4
9
VREG5
10
GND
11
NC5
12
PWM_B2
13
NC6
14
PWM_A2
15
NC7
16
NOD_THERM
17
NOD_OUTSHDN
18
NC8
19
PVD2
20
PVD2
21
OUT_CH2_P
22
BOOT_CH2_P
23
VDDA2
24
BOOT_CH2_N
25
OUT_CH2_N
26
PGND2
27
PGND2
28
PGND1
29
PGND1
30
OUT_CH1_N
31
BOOT_CH1_N
32
VDDA1
33
BOOT_CH1_P
34
OUT_CH1_P
35
PVD1
36
PVD1
A12
1
2
A11
1
2
3
L2018
J0JHC0000042
R2063
J0JCC0000287
R2064
J0JCC0000287
L2023
G1C3R0ZA0156
L2014
G1C220MA0291
L2001
G1C150KA0038
L2012
G1C220MA0291
L2010
G1C220MA0291
L2016
G1C220MA0291
SOUND15V
DVDDIO_3.3V
S_15V
SUB5V
SUB9V
R2126
TP2017
TP2010
TP2014
TP2012
TP2008
TV_R
AMP_MUTE
TV_L
PWM3B
AV_L
HPOUT1R
G-SOUND_SOS
PWM3A
AUDIOOUT_R
ARESETB
SIF
PWM_READY
HPOUT1L
AUDIOOUT_L
HP_MUTE
AM
G-AUDIO_XRST
AV_R
PWM4B
PWM4A
HP_ROUT
MUTEB
AUXIN1R
SIF_IN1
AUXIN2L
AUXIN1L
TV_R
SIF_IN2
TV_L
HP_LOUT
AUDIOOUT_L
AUDIOOUT_R
AUXIN2R
Q2063
2SD0601ASL
Q2064
2SD0601ASL
Q2001
B1ABCF000231
Q2065
2SB0709ASL
Q2022
B1ADCE000022
R2316
22
EXB28V220JX
R2115
2.2k
R2127
3.3
R2018
10k
R2123
3.3
R2006
470
R2325
0
R2121
3.3
R2114
2.2k
R2122
100
R2142
2.2k
R2111
100
R2124
10k
R2093
10k
R2015
10k
28k
1%
R2048
R2125
3.3
R2092
10k
R2016
10k
R2141
1k
28k
1%
R2050
R2017
10k
R2008
470
28k
1%
R2051
R2119
1M
R2110
100
10k
R2023
28k
1%
R2047
R2007
220
R2132
470
R2129
10
R2118
470
R2120
47k
R2137
10
R2032
560
<< TV L
<< Monitor R
TO 7/21
>> MainHP R
<< Monitor L
>> MainHP L
<< TV R
OPERATE
RESET
OPERATE
MUTE
SOS
PWM_READY
MUTE
PWM_READY
L-
R+
To SOS
L+
RESET
OPERATE
PWM_READY
SOS
OPERATE
MUTE
R-
ADV_A
REF No. 2000-2499
NC
TO 10/21
TO 11/21
49
54
48
51
53
47
50
52
46
TO 3/21
TO 3/21
TO 3/21
TO 9/21
TO 8/21
TO 6/21
TO 2/21
TO 11/21
AUDIO AMP
TO
SPEAKER
TO
SPEAKER
!
A-BOARD (6/21)
Summary of Contents for TX-PR42C10
Page 16: ...16 6 4 No Picture ...
Page 28: ...28 9 1 4 Adjustment Volume Location 9 1 5 Test Point Location ...
Page 38: ...38 11 3 Wiring 2 ...
Page 39: ...39 11 4 Wiring 3 ...
Page 40: ...40 ...
Page 41: ...41 12 Schematic Diagram 12 1 Schematic Diagram Note ...
Page 79: ...79 A B C D E F G H I 1 2 3 4 5 6 P BOARD COMPONENT SIDE LSEP1279BEHB ...
Page 92: ...92 14 1 2 Packing 1 ...
Page 93: ...93 14 1 3 Packing 2 ...
Page 94: ...94 14 1 4 Mechanical Replacement Parts List ...
Page 98: ...98 14 2 Electrical Replacement Parts List 14 2 1 Replacement Parts List Notes ...