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22 32
IC2303
C0DBGYY00202
SOUND15V SOUND12V
SOUND SOS DET
! H-BOARD (4/5) TP2301
R2331
Q2301
2SA207700L
MAIN9V
SOUND12V
L2308
J0JJC0000011
2.2k
TNPA4177AH (PV70F/P) SOUND_SOS
R2302
D2302 MA2J11100L
*C2311
C2301 R2330
L2310
50V AUDIO AMP
+
2.2k *C2315
TNPA4177AD (PX70B/E) 16V
0.1u
1k
J0JJC0000011
3 VIN
VOUT
1 0.1u
50V
R2323
C2361
25V
470u
+
C2349 C2352 C2365 0.1u 10
16V 1 GVDD_B 44 L2300
D2301 50V 16V GVDD_A R2315
R2301 VSS C2317
MA2J11100L 0.1u 1u 220u R2317 10 G1C100MA0291
2.2k 2 2 OTW 43 25V 0.033u 3.3
BST_A C2337
C2333
R2305 3 NC 42 50V
C2302 50V
NC 0.022u
16V 470 0.1u
OPERATE
0.1u D2303 4 NC 41
PVDD_A C2377
MAZ30560HL SOS C2353 C2303
50V
5 SD 40 50V 25V
1u C2325 0.022u
PVDD_A 0.1u
0.47u
PWM_SQ_R+ 6 PWM_A 39
D2304 50V
OUT_A
MA2J11100L C2375
7 RESET_AB 38
GND_A 50V
C2335 0.022u
PWM_SQ_R- 8 PWM_B 37
R2306 68k
GND_B 50V
0.1u
C2339 TO
50V
SPEAKER
C1AB00002730
9 OC_ACJ 36 C2389 *H12
OPERATE OUT_B 0.022u
50V
*IC2301
L2302 TP2303
10 GND 35 R2308 1000p 1
RESET G1C100MA0291 R+
PVDD_B C2355 C2305 3.3 TP2305
11 AGND 34 25V C2319 50V 25V 2
R-
BST_B 0.033u 0.1u 1u
TP2307
12 VREG 33 25V C2321 3
L+
BST_C 0.033u
C2385 C2387 TP2310
C2313 13 M3 32 4
L2304 50V L-
50V PVDD_C 50V
G1C100MA0291 R2313 1000p 1000p
0.1u
14 M2 31
OUT_C 3.3
C2357 C2307 C2383
15 M1 30 C2341 C2345
*R2303 GND_C 50V 25V 50V
0.1u 1u 50V 50V 1000p
TP2302 PWM_SQ_L+ 0
16 PWM_C 29 0.1u 0.022u
GND_D
AMUTE C2379
17 RESET_CD 28 C2331
OUT_D 50V
50V 0.022u
PWM_SQ_L-
18 PWM_D 27 0.47u
PVDD_D C2359 C2309 C2381
*R2304
19 NC 26 50V 25V 50V
0 0.022u
PVDD_D 0.1u 1u C2343
20 NC 25 50V
R2325 C2347
NC C2323 0.1u
50V
10
21 VDD 24 25V 0.033u 0.022u
BST_D
L2306 R2311
R2319 R2321
22 GVDD_C 23
GVDD_D G1C100MA0291 3.3
10 *C2329 *C2327 10
*C2363 50V 50V
50V 0.1u 0.1u
0.1u
23
AMUTE
AUDIO_MUTE
MAIN9V
STB+5V DTV9V MUTE
OPERATE
MUTE
R2205
MA2J11100L
MA2J11100L
20k
D2033
D2034
R2206
R2128 10k
47k
R2156 R2194
330 1k
+
C2119 R2127 D2026 D2031
10V 10k MA2J11100L MA2J11100L
220u SP_MUTE
R2119 MUTE
10k
Q2031 Q2033 Q2040
2SA207700L 2SA207700L 2SC584500L
R2216 D2032
MONITOROUT_MUTE R2122 MA2J11100L
10k HDMI_INT2 MUTE
10k R2129
MUTE 10k
MUTE SW R2118 D2028
*R2217
47k
1M Q2034 MA2J11100L
2SC584500L D2029
R2144
R2124 MA2J11100L
10k STB+5V
10k
*R2123 Q2039
47k R2208 R2219
2SC584500L
10k 47k
R2131
10k
Q2035 R2220
2SC584500L 12k
Q2041
2SC584500L 33
24
25 34
26 35
TH-37/42PV70F/P, TH-37/42PX70B/E TH-37/42PV70F/P, TH-37/42PX70B/E
H-Board (4 of 5) Schematic Diagram H-Board (4 of 5) Schematic Diagram
28 29 30 31 32 33 34 35 36