15.21. A-Board (6 of 12) Schematic Diagram
+
+
+
+
+
+
+
DRIVE IC
VCC
Vin
GND
+
SQ_R+
PWM_SQ_R-
DTV_DMIX
MAIN_L
SPDIF
DTV_SRCK
SQ_L-
P
PWM_SQ_L-
SPDIF_OUT
P
PWM_SQ_R-
SQ_R-
MAIN_R
HDMI_LRCK
HDMI_LRCK
P
SQ_L+
SQ_L+
AMP_MUTE
SQ_R+
SQ_L-
A
G
_A
UDIO_MUTE
HDMI_SDIN
DTV_LRCK
AD_SCL2
SQ_R-
SPDIF_OUT
HDMI_BCLK
HDMI_BCLK
P
A
G_SOUND_SOS
AD_SDA2
A
G
_A
UDIO_XRST
PWM_SQ_L-
MAIN_PB_OUT
MAIN_PR
MAIN_Y_OUT
SOY
HDMI_INT2
SOY0
MAIN_Y/CVBS
MAIN_PB/C
MAIN_PR_OUT
DTV_R
DTV_L
STB_RST
AG_AUDIO_MUTE
AMP_MUTE
A_MON_MUTE
AUD3.3V
A
G_SOUND_SOS
L2308
J0JJC0000011
JS2042
ERJ2GE0R00X
C2339
50V
0.022u
C3157
0.1u
16V
L2029
J0JCC0000077
C2187
2.2u
6.3V
10k
R2110
C2023
0.1u
16V
L2304
G1C100M00044
C2359
50V
0.1u
C2363
16V
220u
R2132
100k
A12
1
2
3
4
C2335
50V
0.1u
R2317
10
C0CBCBE00001
IC2008
1
VOUT
2
NC
3
GND
4
CN
5
CONT
6
SUB
7
VIN
SOUND15V
D2064
MA2J11100L
C2274
0.1u
16V
SOUND12V
C2103
16V
100u
C1AB00002730
IC2301
1
GVDD_B
44
GVDD_A
2
OTW
3
NC
4
NC
5
SD
6
PWM_A
7
RESET_AB
8
PWM_B
9
OC_ACJ
10
GND
11
AGND
12
VREG
13
M3
14
M2
15
M1
16
PWM_C
17
RESET_CD
18
PWM_D
19
NC
20
NC
21
VDD
22
GVDD_C
23
GVDD_D
24
BST_D
25
NC
26
PVDD_D
27
PVDD_D
28
OUT_D
29
GND_D
30
GND_C
31
OUT_C
32
PVDD_C
33
BST_C
34
BST_B
35
PVDD_B
36
OUT_B
37
GND_B
38
GND_A
39
OUT_A
40
PVDD_A
41
PVDD_A
42
NC
43
BST_A
R2114
75k
C2050
0.1u
16V
R2330
1k
Q2057
2SB0709A0L
R2311
3.3
C2192
47u
6.3V
R2352
47k
C2183
10u
10V
C2216
0.1u
16V
C2053
0.1u
16V
R2168
16k
SOUND12V
C2264
4.7u
10V
C2309
25V
1u
R2145
100k
JS3252
0
C2118
1u
10V
C2173
4.7u
16V
L2040
J0JHC0000045
R2319
10
C2048
0.1u
16V
C2321
0.033u
25V
C2375
50V
0.022u
C2301
16V
0.1u
TP2310
C2191
10u
10V
SUB3.3V
C2246
10u
10V
R2183
36k
C2365
16V
0.1u
D2063
MA2J11100L
SOUND12V
C2367
16V
0.1u
C2056
12p
50V
2k
R2104
C2333
50V
0.1u
20k
R2100
DTV9V
C2054
10u
10V
C2245
1000p
50V
0
R2058
SOUND15V
R2130
10k
TP2307
TP2305
R2351
10k
R3261
100
Q2066
2SD0601A0L
C2313
50V
0.1u
R2308
3.3
L2310
J0JJC0000011
10k
R2106
0
R2199
C2107
47u
6.3V
C2185
10u
10V
C2190
10u
10V
C2325
50V
0.47u
R2169
22k
STB5V
AUD3.3V
C2100
0.1u
16V
SUB3.3V
IC2011
C0ABBB000230
1
2
3
4
5
6
7
8
D2066
MA2J11100L
Q2302
2SD0601A0L
C2307
25V
1u
C2170
50V
33p
R2166
16k
R3260
47
C2111
2.2u
6.3V
JS3251
0
C2055
12p
50V
R2305
470
C2153
50V
33p
C2352
1u
16V
C2101
10u
10V
C2133
6.3V
47u
1k
R2108
1M
R2059
R2353
100k
H0J245500082
X2010
R2271
EXB28VR000X
22
R2056
R2102
5.6k
Q2041
2SD0601A0L
100
R2111
L2302
G1C100M00044
L2306
G1C100M00044
C2302
16V
0.1u
C2371
16V 0.1u
TP2303
R2149
10k
C2263
4.7u
10V
C2058
0.1u
16V
1k
R2107
R2153
100k
R2302
2.2k
C2059
47u
6.3V
C2143
50V
180p
R2350
220k
C2268
100p
50V
C2323
0.033u
25V
SUB5V
C2353
50V
0.1u
R2321
10
R2165
10k
C2337
50V
0.022u
R3258
47
C2251
10u
10V
C2303
25V
1u
C2373
16V
0.1u
TP2037
R2131
10k
C2267
100p
50V
R2362
10
D2304
MA2J11100L
R2113
120k
C0DBFFD00003
IC2107
1
2
3
4
5
6
7
C1AB00002747
IC2106
1
FIL
T
A
2
VREF
3
A
GND
4
AVDD
5
NC
6
NC
7
NC
8
NC
9
NC
10
NC
11
NC
12
NC
13
DGND
14
DVDD
15
MUTE
16
SDA
17
SCL
18
LRCLK2
19
BCLK2
20
DGND
21
DVDD
22
SDIN0
23
SDIN1
24
SDIN2
25
SDIN3
26
LRCLK0
27
BCLK0
28
ODGND
29
OD
VDD
30
VDRIVE
31
DV
D
D
32
DGND
33
MCLKI/XIN
34
XOUT
35
BCLK1
36
LRCLK1
37
SDO0
38
SPDIF_OUT
39
SPDIF_IN
40
DVDD
41
DGND
42
PWM1A
43
PWM1B
44
PWM2A
45
PWM2B
46
NC
47
NC
48
NC
49
NC
50
RESET
51
DVDD
52
DGND
53
AVDD
54
PLL_LF
55
AGND
56
AGND
57
HPOUTL1
58
HPOUTR1
59
AV
D
D
60
NC
61
NC
62
NC
63
NC
64
NC
65
NC
66
NC
67
FIL
T
D
68
AV
D
D
69
A
GND
70
A
GND
71
AV
D
D
72
A
U
XOUTL1
73
A
UXOUTR1
74
NC
75
NC
76
NC
77
NC
78
AINL1
79
AINR1
80
ISET
C2057
0.1u
16V
C2319
0.033u
25V
C2331
50V
0.47u
C2116
470p
50V
R2115
10k
C2188
470p
50V
28k
R2151
C2387
50V
1000p
C2106
0.1u
16V
C2317
0.033u
25V
C2361
25V
470u
C2369
16V
0.1u
L2021
J0JHC0000078
10k
R2276
R2315
3.3
R2331
2.2k
C2381
50V
0.022u
C2345
50V
0.022u
C2126
10u
10V
C2357
50V
0.1u
R2146
1M
Q2059
2SD0601A0L
C2343
50V
0.1u
C2171
0.01u
16V
C2383
50V
1000p
D3005
K7AAAY000003
R2182
36k
C2108
47u
6.3V
R2139
10k
Q2056
2SD0601A0L
Q2053
2SB0709A0L
R2313
3.3
C2052
0.1u
16V
R2116
1k
JS3253
0
1k
R2125
R2301
2.2k
C2244
0.1u
16V
C2134
16V
0.01u
C2355
50V
0.1u
Q2042
2SD0601A0L
Q2301
2SB0709A0L
L2300
G1C100M00044
C2102
0.1u
16V
R2142
22k
R2325
10
C2049
0.1u
16V
R2306
68k
C2347
50V
0.022u
R2148
0
Q2060
2SD0601A0L
C2189
1u
10V
R2181
22k
C2305
25V
1u
C2389
50V
1000p
MAIN9V
C2385
50V
1000p
C2379
50V
0.022u
R2112
100k
R2140
100k
C2377
50V
0.022u
R3259
47
C2341
50V
0.1u
D2062
MA2J11100L
C2186
0.1u
16V
D2302
MA2J11100L
C2349
16V
0.1u
DTV9V
D2303
MAZ30560HL
C2105
0.1u
16V
28k
R2150
R2117
47k
C0DBGYY00202
IC2303
VIN
3
2
VSS
VOUT
1
SUB3.3V
JS2088
R2118
22k
22
R2057
C2146
50V
180p
D2301
MA2J11100L
C2213
1000p
50V
MOUT_AMP
A-BOARD TNPH0692ABS (6/12)
HDMI_SDIN >>
>> Monitor L
Cont
Cn
150mA
GND
DTV_LRCLK >>
to D-AMP. >>
OPERATE
HDMI_BCLK >>
>> Monitor R
HDMI_LRCLK >>
Digital_Audio_in
NC
Vo
Vin
RESET
Sub
DTV_SDIN >>
MUTE from D-AMP <<
from Peaks and HDMI
DTV_BCLK >>
MUTE
MUTE
OPERATE
OPERATE
OPERATE
MUTE
L
+
R
-
+
-
!
SOUND PROCESSOR
AUD3.3V
A
UDIO AMP
AMP
DVDD1.8V
SOUND 12V
SPEAKER_L
SQ_L+
SQ_R-
SQ_L-
SQ_R+
SPEAKER_R
OUT
OPTICAL
AUDIO
TANSI,AVSW
50
46
51
53
47
49
54
48
52
4
1
3
5
2
11
12
TH-42PX75U
A-Board (6 of 12) Schematic Diagram
TH-42PX75U
A-Board (6 of 12) Schematic Diagram
TH-42PX75U
73
Summary of Contents for Viera TH-42PX75U
Page 4: ...1 Applicable signals 4 TH 42PX75U ...
Page 16: ...8 Location of Lead Wiring 8 1 Lead of Wiring 1 16 TH 42PX75U ...
Page 17: ...8 2 Lead of Wiring 2 17 TH 42PX75U ...
Page 18: ...8 3 Lead of Wiring 3 18 TH 42PX75U ...
Page 19: ...8 4 Lead of Wiring 4 19 TH 42PX75U ...
Page 20: ...8 5 Lead of Wiring 5 20 TH 42PX75U ...
Page 24: ...9 4 No Picture 24 TH 42PX75U ...
Page 31: ...11 4 Adjustment Volume Location 11 5 Test Point Location 31 TH 42PX75U ...
Page 33: ...33 TH 42PX75U ...
Page 53: ...15 Schematic and Block Diagram 15 1 Schematic Diagram Note TH 42PX75U 53 ...
Page 102: ...NOTE TH 42PX75U 102 ...
Page 103: ...16 Exploded Views Replacement Parts List 16 1 Exploded Views 103 TH 42PX75U ...
Page 104: ...16 2 Packing Exploded Views Accessories box 104 TH 42PX75U ...
Page 105: ...16 3 Packing Exploded Views Stand 105 TH 42PX75U ...
Page 106: ...16 4 Replacement Parts List Notes 106 TH 42PX75U ...