Dg-Board (14 Of 16) Schematic Diagram - Panasonic TH-42PV7AZ Service Manual

15.27. DG-Board (14 of 16) Schematic Diagram

61
DG-BOARD (14/16)
!
TXNDG1HRTP (PV7AZ)
TXNDG1HRTH (PV7HS)
TXNDG1HRTM (PV7M)
TXNDG1HRTX (PV7MR)
TXNDG1HRTA (PX7A)
AV-TERMINAL
CRNo.2000-3350
62
63
64
65
TH-42PV7AZ/HS/M/MR, PX7A
DG-Board (14 of 16) Schematic Diagram
118 119
15V
SOUND15V
IC2303
MAIN9V
TP2301
Q2301
C0DBGYY00202
R2331
2SA207700L
To SOS 2.2k
AG_SOUND_SOS
D2302
R2302
L2310
C2301 R2330 2.2k
J0JJC0000011
16V 1k 3 VIN
0.1u
C2349
MA2J11100L 50V
R2301
D2301 0.1u
2.2k
R2305
470
C2302
D2303
16V
MAZ30560HL
0.1u
PWM_SQ_R+
D2304
MA2J11100L
PWM_SQ_R-
AMUTE
RESET
PWM_SQ_L+
PWM_SQ_L-
STB5V DTV9V
MUTE SW
R2156 R2194
330 1k
C2119
16V
220u
R2119
10k
Q2031
2SA207700L
MONITOROUT_MUTE R2122
10k
MUTE
R2118
Q2034
1M
2SC584500L
Q2035
2SC584500L
120 121
SOUND12V
MA2J11100L
C2315
C2311
16V
16V
0.1u C2361
1 0.1u
R2323 25V
VOUT
C2354 470u
C2352 10
1 GVDD_A 44
16V 16V GVDD_B L2300
VSS G1C330MA0291
1u 220u R2317
2 43 25V 0.033u
2 10 OTW BST_A
3 42 C2317
NC NC
OPERATE
4 41
NC PVDD_A
SOS
5 40 C2353 *C2303
SD PVDD_A
50V 25V
0.1u 1u
6 39
PWM_A OUT_A
7 38
RESET_AB GND_A
8 37
PWM_B GND_B L2302
R2306
G1C330MA0291
9 36
OC_ACJ OUT_B
OPERATE
68k
10 35
GND PVDD_B
C2319
25V 0.033u C2355 *C2305
11 34
AGND BST_B
50V 25V
0.1u 1u
12 33 25V C2321
VREG BST_C
0.033u
C2313 13 32
M3 PVDD_C L2304
50V
G1C330MA0291
0.1u
14 31
M2 OUT_C
C2357
15 30 *C2307
M1 GND_C 50V 25V
1u
0.1u
16 29
PWM_C GND_D
17 28
RESET_CD OUT_D C2331
0.47u
18 27
PWM_D PVDD_D
*C2309
19 26 C2359
25V
NC PVDD_D 50V
1u
0.1u
20 25
NC NC L2306
C2323
R2325 10 0.033u G1C330MA0291
21 24 25V
VDD BST_D
R2319 22 23 R2321
GVDD_C GVDD_D
10
10
C2329
C2363
C2327
16V
16V
0.1u 16V
0.1u AUDIO AMP
0.1u
MAIN9V
MUTE
OPERATE
MUTE
R2205
20k
R2206
R2128
10k
47k
R2127
D2026
10k
MA2J11100L
Q2040
Q2033
MA2J11100L
2SC584500L
2SA207700L R2216
R2129 10k
10k
R2217
47k MA2J11100L
D2028 D2029
MA2J11100L Q2042
MA2J11100L STB5V
R2144
R2124
2SC584500L
10k 10k
Q2039
R2208
2SC584500L
R2123
10k
47k
R2218
1k
R2131
10k
R2220
12k
Q2041
2SC584500L
122 123
79
TH-42PX7A / TH-42PV7AZ / TH-42PV7HS / TH-42PV7M / TH-42PV7MR
SOUND15V
L2650 S_15V
G1C3R3ZA0083
C2819
47u
25V
R2315
3.3
C2337
C2333
50V
50V 0.022u
0.1u
C2377
50V
0.022u
C2325
0.47u
50V
C2375
50V C2389
50V
C2335 0.022u
1000p
50V
C2339 TO
0.1u
50V DG12 SPEAKER
0.022u
TP2303
1
R2308
R+
3.3 TP2305
2
R-
TP2307
3
L+
C2385
C2387 TP2310
50V 4
50V L-
1000p
1000p
R2313
3.3
C2341 C2383
C2345
50V 50V
0.1u 50V 1000p
0.022u
C2379
50V
0.022u
50V
C2381
50V
0.022u
C2343
C2347
50V
50V
0.1u
0.022u
R2311
3.3
AG_A_MON_MUTE/SP_MUTE
MUTE
D2031
HDMI_INT2 MUTE
D2032
R2143
10k
STB_RST
MUTE
TH-42PV7AZ/HS/M/MR, PX7A
DG-Board (14 of 16) Schematic Diagram
124 125
71
72
73
74
126