A-Board (6 Of 12) Schematic Diagram - Panasonic TH-42PX75U Service Manual

15.21. A-Board (6 of 12) Schematic Diagram

1
2
3
MUTE
OPERATE
AMP_MUTE
DTV9V
JS2042
C2103
R2145
ERJ2GE0R00X 16V
100k
100u
R2142
STB5V
22k
Q2053
2SB0709A0L
Q2066
R2146
1M
2SD0601A0L
STB_RST Q2059
R2118 2SD0601A0L
22k D2063
MA2J11100L
R2102 R2153 R2132
5.6k 100k 100k
Q2057
R2148 2SB0709A0L
0
Q2060
2SD0601A0L
R2112 R2139
100k 10k
D2062
MA2J11100L
AG_AUDIO_MUTE
R2140
100k
R2130 Q2056
MUTE
10k R2131
2SD0601A0L
OPERATE 10k
MUTE
OPERATE
A_MON_MUTE
4
JS3251 R3258
MAIN_Y_OUT 0 47 MAIN_Y/CVBS
R3259
JS3252
MAIN_PB_OUT 47 MAIN_PB/C
0
JS3253 R3260
MAIN_PR_OUT 47 MAIN_PR
0
R3261
SOY0 100 SOY
5
TH-42PX75U
A-Board (6 of 12) Schematic Diagram
46 47
Q2042
2SD0601A0L
R2115
10k
Q2041
2SD0601A0L
D2066
MA2J11100L
R2116
1k
R2117
47k
R2114
75k
R2107
1k
D2064
MA2J11100L
C2263
C2267 10V
50V 4.7u
R2150 28k
100p
R2151 28k
R2100 20k
C2268
C2264
50V
10V 4.7u
100p
C2106
0.1u
C2108 16V 1
6.3V
+
47u C2105 2
C2107 +
16V 0.1u
6.3V 3
47u
4
5
C2101 C2100
10V 16V 0.1u 6
10u
7
8
9
10
11
AUD3.3V
12
13
C2050 14
16V
MUTE from D-AMP << 0.1u
R2111 100 15
AD_SDA2 R2056 22 16
AD_SCL2 R2057 22 R2110 10k
17
DTV_LRCK DTV_LRCLK >> 18
DTV_SRCK DTV_BCLK >>
19
Digital_Audio_in
20
from Peaks and HDMI
DTV_DMIX DTV_SDIN >>
SUB3.3V
L2021
J0JHC0000078
C2274 C2023
R2108
16V 16V
1k
0.1u 0.1u
HDMI_SDIN HDMI_SDIN >>
HDMI_LRCK HDMI_LRCLK >>
HDMI_BCLK HDMI_BCLK >>
C0DBFFD00003
D3005
K7AAAY000003
SUB3.3V
SPDIF_OUT
C3157
16V
0.1u
OPTICAL
AUDIO
OUT
JS2088
48 49
IC2008
C0CBCBE00001
AUD3.3V
AUD3.3V SUB5V
VOUT
1 7
VIN
C2111 C2118
6.3V 10V
2
2.2u NC 1u MOUT_AMP
6
SUB C2173
16V
3
GND 4.7u
R2113
R2106
120k CN
10k
4 5 C2185
CONT 10V R2168
C2116
10u 16k
50V
470p
C2146
50V
>> Monitor R 180p
>> Monitor L
R2149
10k
C2191 C2102 C2190 C2186
10V 16V 10V 16V
10u 0.1u 10u 0.1u
C2058 C2059 C2192
16V 6.3V 6.3V C2133 C2134
R2165
0.1u 47u 47u 6.3V 16V
10k
47u 0.01u
C2143
50V
180p
C2183
10V
10u
C2246
60
10V
R2166
10u
59 16k
58 C2057
16V
57
AVDD HPOUTL1 0.1u
AINL1 NC C2244
16V
56
NC AINR1 NC AGND L2029
0.1u
ISET NC 55 J0JCC0000077
NC AGND
C2245
54 R2104 50V 1000p
NC PLL_LF 2k
53
NC IC2106 AVDD
52
NC DGND
C1AB00002747 51 C2213
NC DVDD
50V 1000p
50 C2049
NC SOUND PROCESSOR RESET
16V
49 C2216
NC NC 0.1u
16V 0.1u
48
DGND NC
47 C2251
DVDD NC 10V 10u R2271
46 EXB28VR000X
MUTE NC
DVDD DVDD
45 SQ_R- SQ_R- PWM_SQ_R-
SDA SDIN0 SPDIF_IN PWM2B
SQ_R+ SQ_R+ PWM_SQ_R+
SDIN1 SPDIF_OUT 44
SCL PWM2A
43 SQ_L- SQ_L- PWM_SQ_L-
SQ_L+ SQ_L+ PWM_SQ_L+
42
41
to D-AMP . >>
SPDIF
SPDIF_OUT
R2276
10k
C2126
C2048
R2058 10V
16V
0
0.1u 10u
C2054 C2052 C2053
10V 16V 16V C2056
50V
10u 0.1u 0.1u
12p
R2059
1M
C2055
50V
12p
X2010
H0J245500082
R2125
R2199
0 1k
SUB3.3V
1 7
IC2107 Vo Vin
C2189
C2187 2 10V
1u
6.3V NC
2.2u 6
Sub
DVDD1.8V
3
GND
C2188
50V
470p 4 Cont 5
Cn
50 51
73
MAIN9V
TP2037
Q2301
R2331
2SB0709A0L
2.2k
C2301 R2302
R2330
2.2k
16V 1k SOUND15V
0.1u
R2301
D2301
2.2k
MA2J11100L
R2305
C2302
470
16V
0.1u
SOUND12V
D2303
MAZ30560HL
Q2302
R2350
220k 2SD0601A0L
R2351
10k
R2353
R2352 100k
47k
DTV9V
L2040
J0JHC0000045
R2183
36k
C2170
50V
R2181 R
22k 33p
-
+
IC2011
C0ABBB000230
+
AMP
-
L
R2169 C2171
C2153
22k 16V
50V
0.01u
33p
R2182
36k
SOUND15V
SOUND12V
C2371 C2373
16V 0.1u 16V
0.1u
C2361
R2362 25V
R2317
470u
10 1 44 10
GVDD_B
GVDD_A L2300
G1C100M00044
2 OTW 43
BST_A
C2317
C2333 C2337
3 NC 42 25V R2315 50V
C2353 C2303 50V
OPERATE NC 0.033u 3.3 0.022u
50V 25V 0.1u
4 41 0.1u 1u
RESET NC
PVDD_A
5 40
SD
C2325
PVDD_A
50V
PWM_SQ_R+ 0.47u
6 PWM_A 39
OUT_A C2339
50V
7 RESET_AB 38
0.022u
GND_A
PWM_SQ_R- 8 37 C2335
PWM_B R2308
GND_B 50V
R2306 3.3
0.1u
68k C2355
9 OC_ACJ 36
OUT_B 50V
L2302
0.1u C2387
10 GND 35 G1C100M00044
50V
PVDD_B
C2305 1000p
C2319
11 34 25V
AGND 25V
BST_B 1u
0.033u
12 33
VREG C2321
BST_C 25V C2385
0.033u 50V
13 M3 32
C2313 1000p
PVDD_C L2304
50V
G1C100M00044
0.1u 14 M2 31
OUT_C
C2345
15 30 C2341 R2313
M1 50V
GND_C 50V
3.3 0.022u
0.1u
PWM_SQ_L+ 16 29
PWM_C
GND_D
C2357 C2307
17 RESET_CD 28 50V 25V
C2331
OUT_D 0.1u 1u
50V
PWM_SQ_L- 18 PWM_D 27 0.47u
PVDD_D
C2359 C2309
19 26 50V 25V
NC
PVDD_D 0.1u 1u
C2343
20 NC 25 C2323 R2311 C2347
50V
NC 25V L2306 3.3 50V
0.1u
0.033u G1C100M00044 0.022u
21 VDD 24
R2325 BST_D
10
22 23
GVDD_C
GVDD_D
R2319 R2321
10 10
C2365
16V
C2369 C2367
0.1u
16V
16V
0.1u
0.1u
A-BOARD TNPH0692ABS (6/12)
!
TANSI,AVSW
TH-42PX75U
A-Board (6 of 12) Schematic Diagram
52 53
TH-42PX75U
11
D2302
MA2J11100L
SOUND12V
L2310
J0JJC0000011
3 VIN 1
VOUT
150mA
C2349
16V VSS
0.1u
2
C2352 C2363
16V 16V
IC2303
1u 220u
C0DBGYY00202
SOUND 12V
C2377
50V
0.022u
C2375 C2389
50V 50V
0.022u 1000p
A12
SPEAKER_R
TP2303
SQ_R+
1
TP2305
2 SQ_R-
TP2307
3 SQ_L+
TP2310
SQ_L-
4
C2383
SPEAKER_L
50V
1000p
C2379
50V
0.022u
C2381
50V
0.022u
12
54