Panasonic TH-37PV600E / TH-37PV600B / TH-42PV600E / TH-42PV600B Service Manual ▷ View online
14.19. PA-Board (1 of 3) Schematic Diagram
+
+
+
+
+
+
STB_5V
4.4V
SUB_9V
SUB_9V
MAIN_1.8V
MAIN_9V
NR14V
R5808
2.2k
D5807
MA2J11100L
R5648
3.9k
R5802
13k
D5634
MA2J11100L
R5806
2.2k
C5643
16V
0.1u
L5606
22u
L5622
G1C150MA0234
C5670
25V
0.1u
R5644
2.2k
R5627
4.7k
R5650
220
R5672
10k
Q5643
2SA207700L
C5805
1u
16V
R5805
2.2k
R5641
2.2k
R5836
1k
C5641
16V
0.1u
L5604
2.7u
R5626
4.7k
1
2
3
R5634
470
R5639
2.2k
R5694
47k
R5695
10k
D5649
MA2J11100L
D5646
MA3X152E0L
C5609
50V
22u
R5693
33k
R5633
1k
Q5602
B1ABCF000138
R5662
4.7k
C5637
16V
0.1u
R5605
4.7k
R5645
2.2k
R5642
470
1
2
3
4
5
6
C5801
470u
25V
L5602
2.7u
R5660
0
R5646
4.7k
R5692
1k
R5649
100k
L5801
G0C101K00023
C5642
16V
0.1u
0.1u
D5642
MAZ31200ML
D5801
B0JCME000037
R5632
470
C5802
470u
25V
C5804
0.1u
16V
C5809
1u
25V
R5659
470
R5822
100
R5804
TP16
D5639
MAZ30470HL
R5826
100
R5609
200
Q5613
B1ABCF000138
R5637
10k
R5665
47k
D5643
MA3X152D0L
D5638
MA3X152E0L
Q5601
B1DHDC000028
R5640
4.7k
Q5604
B1ABCF000138
R5606
2.2k
L5624
G1C330MA0234
C5605
25V
470u
R5625
4.7k
R5824
100
D5635
MAZ30470HL
R5621
4.7k
D5606
B0BC01100001
R5801
845
R5823
100
C0DBAZF00003
IC5801
1
Vin
2
V
out(s
w)
3
GND
4
V
adj
5
ON/OFF
R5809
4.7k
R5647
220
R5807
2.2k
R5667
47k
R5664
4.7k
R5803
2k
D5805
MA3X152E0L
C5619
25V
0.1u
R5643
1k
1
2
3
1
2
3
Q5642
2SA207700L
R5638
10k
C5644
16V
0.1u
L5802
100u
D5804
MAZ31200ML
D5640
MAZ30390HL
D5641
MA3X152D0L
Q5644
B1ABCF000138
D5647
MA3X152D0L
D5806
MA3X152E0L
R5654
10k
1
2
3
R5635
220
D5644
MAZ30680ML
Q5641
2SA207700L
R5601
180
C5606
16V
470u
C5810
47u
25V
D5637
MA3X152E0L
N0BG2DE00001
IC5601
1
N.C
.
2
ON/OFF2
3
VA
R
2
4
VO
U
T
2
5
SW
-Node2
7
GND
8
N.C
.
9
GND
10
VIN
11
N.C
.
12
GND
13
SW
-Node1
14
VO
U
T
1
15
VA
R
1
16
ON/OFF1
F_STBY_14V
F_STBY_14V
NR14V
GND
MAIN_9V
SUB_5V
SUB_9V-1
GND
MAIN_5V
SUB_9V
TO FAN
SUB_3.3V
GND
F_STBY_14V
1
6
D
E
8
B
3
2
C
4
A
7
5
MAIN3.3V
SUB_5V
SUB_3.3V
NR14V
MAIN3.3V
MAIN1.8V
MAIN_5V
15V
15V
PA_SOS
PA
31
31
PA
32
32
PA
33
33
PA
34
34
PA
10
10
SUB_5V
FAN_SOS
TO
P-BOARD
(P10)
AVR 5V/9V
FAN
SOS
AVR 15V
FAN CONTROL
MAIN_9V
MAIN_5V
MAIN_1.8V
STB_5V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
14.0
14.0
0
14.0
0
0
PA-BOARD TXNPA1BETB (1/3)
TH-37/42PV600E, TH-37/42PX600B
PA-Board (1 of 3) Schematic Diagram
PA-Board (1 of 3) Schematic Diagram
TH-37/42PV600E, TH-37/42PX600B
PA-Board (1 of 3) Schematic Diagram
PA-Board (1 of 3) Schematic Diagram
TH-37PV600E / TH-37PX600B / TH-42PV600E / TH-42PX600B
105
14.20. PA-Board (2 of 3) Schematic Diagram
+
+
+
+
+
+
+
+
SOUND_SOS
SOS
SUB5V
SUB_3.3V
SUB_3.3V
ODU_17V
NR14V
TV_SUB_ON
MAIN_1.8V
TV_MAIN_ON
TPSTB5V
TPM5V
TPS33V
C5646
50V
0.01u
C5623
25V
0.1u
D5610
B0BC4R700007
R5669
47k
JS2303
0
JS2300
0
JS5603
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
JS2302
0
TPM33V
Q5605
B1ABCF000138
TPFSOS
C5613
25V
0.1u
TPS5V
R5620
1k
TPS9
R5619
33k
TPSSOS
D5607
B0BC6R600005
MAIN5V
L5651
22u
R5603
15.4k
15.4k
JS2319
0
L5612
2.7u
Q5610
B1ABCF000138
TPMUTE
R5615
10k
L5621
G1C330MA0234
C5626
16V
0.1u
TPM18
C0DBZGC00067
IC5604
1
VIN
2
GND
3
STBY
5
V
OUT
4
NC
ZA2300
K4CZ01000027
R5668
47k
TPM33
JS2318
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
SUB5VA
R5617
1k
C5611
50V
330u
330u
ZA2301
K4CZ01000027
TPM18V
L5609
22u
Q5603
B1DHDC000028
R5607
4.53k
R5676
10k
L5607
22u
C5673
16V
0.1u
C5647
16V
47u
47u
JS2331
0
TPM9
R5652
0
TPS33
L5623
G1C150MA0234
TP17V
SUB3.3V
C5672
50V
22u
R5653
10k
C5645
16V
47u
47u
C5617
16V
470u
TPM5
MAIN3.3V
TPM9V
C5618
25V
0.1u
JS2301
0
TPS9V
C5633
25V
220u
EHMDD9851
IC5602
1
ON/OFF2
2
VA
R
2
3
VO
U
T
2
4
SW
-Node2
6
GND
7
N.C
.
8
GND
9
VIN
10
N.C
.
11
GND
12
SW
-Node1
13
VO
U
T
1
14
VA
R
1
15
ON/OFF1
16
N.C
.
MAIN9V
C5616
25V
0.1u
C5648
50V
0.01u
C5622
16V
470u
SUB9V
C5612
16V
470u
TPS5
L5615
15u
D5612
B0BC3R700006
MAIN3.3V
SUB3.3V
MAIN9V
SUB5VA
SUB9V
TP5617
TP5615
TP5616
MAIN1.8V
SUFFIX
AE
SUB5V(0.63A)
SUB9V(1.3A/0.766A)
Tuner_Main_ON
SUB_9V(1.7A)
MAIN5V(0.37A/0.46A)
ODU +B 17.5V / 0.27A
TUNER_SUB_ON
MAIN3.3V(1.55A/1.847A)
PA_SOS
SCL1(Main3.3V)
SDA1(Main3.3V)
MAIN_3.3V(1.55A)
ODU_ON/OFF
MAIN1.8V
SUB9V(1.3A/0.766A)
MAIN3.3V(1.55A/1.847A)
MAIN_5V
MAIN_3.3V
SUB_5V
MAIN_5V(0.37A)
HP_R
HP_L
GND
SUB_5V(1.0A)
FAN_CONT
FAN_SOS
MAIN_1.8V (1.2A)
MAIN_9V(0.1A)
AMUTE
HP_MUTE
SOUND_SOS
MAIN9V(0.1A/NC)
MAIN1.8V
SR
SL
8
12
11
15
13
10
14
9
SUB9V(1.3A/0.766A)
SUB5V(0.63A)
MAIN5V(0.37A/0.46A)
MAIN3.3V(1.55A/1.847A)
SUB_5V
SUB_9V
MAIN_5V
SUB_3.3V
MAIN_9V
MAIN3.3V
15V
15V
PA
20
20
PA
40
SUB_5V
H-BOARD
TO
(H40)
TO
DG-BOARD
(DG20)
AVR 1.8V/3.3V
STB_5V
STB_5V
15V
5
1
4
7
13
8
10
15
3
2
16
11
12
14
6
9
31
32
33
34
35
AVR 3.3V
PA-BOARD TXNPA1BETB (2/3)
TH-37/42PV600E, TH-37/42PX600B
PA-Board (2 of 3) Schematic Diagram
PA-Board (2 of 3) Schematic Diagram
TH-37/42PV600E, TH-37/42PX600B
PA-Board (2 of 3) Schematic Diagram
PA-Board (2 of 3) Schematic Diagram
TH-37PV600E / TH-37PX600B / TH-42PV600E / TH-42PX600B
106
14.21. PA-Board (3 of 3) Schematic Diagram
+
Ther
mal
Pa
d
+
+
+
+
+
+
Ther
mal
Pa
d
MAIN_9V
+15V
MAIN_9V
Q2301
B1ABCF000138
R2406
4.7k
C2391
1u
10V
R2350
100
R2354
10k
R2357
0
R2391
2.8k
C2416
50V
0.01u
IC2307
C0ABBA000168
1
2
3
45
6
7
8
C2351
10k
R2415
330
R2424
787
C2322
1u
10V
C2336
0.47u
50V
R2396
1.65k
PA1
1
2
3
4
R2407
1.24k
C2333
25V 470u
R2341
0
L2302
G0C330MA0049
R2422
787
R2421
1.62k
R2397
0
R2404
330
R2313
2.2k
IC2301
C0ABBA000168
NJM2904M(TE1)
1
2
3
45
6
7
8
R2311
0
C2320
1u
10V
R2347
0
C2331
1u
25V
C2418
10u
6.3V
C2349
1u
10V
C2387
1u
10V
C2380
50V
0.01u
R2352
0
R2419
1.5k
C2334
0.1u
25V
C2313
0.039u
16V
R2323
0
L2304
G0C330MA0049
D2309
MA2J11100L
C2312
8200p
50V
R2325
10k
L2307
G0C330MA0049
R2306
22k
R2423
1.5k
C2360
1u
25V
R2312
10k
C2374
10V
1u
C2351
1u
10V
R2308
22k
R2384
715
C2328
1u
25V
R2309
22k
R2398
0
R2332
10k
R2412
330
Q2303
B1ABCF000138
C2324
0.22u
25V
2SA207700L
Q2308
R2410
787
C2353
0.22u
25V
R2303
43k
R2364
47k
C1AB00002452
IC2303
1
NC
2
RINN
3
RINP
4
AGND
5
LINP
6
LINN
7
NC
8
GAIN0
9
GAIN1
10
MSTR/NSLV
11
SYNC
12
NC
13
NC
14
R
OSC
15
VREG
16
VBYP
17
A
GND
18
BSLP
19
LOUTP
20
LOUTP
21
LOUTN
22
LOUTN
23
BSLN
24
NC
25
NC
26
PVCCL
27
PVCCL
28
PGNDL
29
PGNDL
30
VCLAMPL
31
VCLAMPR
32
PGNDR
33
PGNDR
34
PVCCR
35
PVCCR
36
NC
37
NC
38
BSRN
39
R
OUTN
40
R
OUTN
41
R
OUTP
42
R
OUTP
43
BSRP
44
NSHUTDO
WN
45
MUTE
46
FA
U
L
T
47
NC
48
AVCC
C2366
0.22u
25V
R2408
1.07k
C2309
8200p
50V
C2354
0.1u
25V
C2385
1u
10V
Q2305
B1ABCF000138
C2346
1u
10V
Q2304
B1ABCF000138
C2370
10u
25V
C2402
10u
6.3V
C2335
0.1u
25V
R2356
2.2k
C2330
1u
25V
R2362
15k
C2368
0.1u
16V
C2362
25V 470u
R2363
470
C2381
50V
0.01u
R2305
22k
C2321
0.01u
50V
C2325
0.1u
25V
C2417
10u
6.3V
R2367
680
C2373
50V
0.1u
C2371
1u
25V
C2326
0.1u
25V
C2327
0.47u
50V
R2366
4.7k
2SA207700L
Q2306
L2305
G0C330MA0049
C2338
0.22u
25V
R2392
1.65k
C2404
1u
10V
R2372
10k
R2405
330
C2382
1u
16V
IC2306
C0ABBA000168
1
2
3
45
6
7
8
C2395
1u
16V
C2389
1u
10V
R2411
330
C2394
1u
16V
C2317
1u
10V
R2349
100
C2304
50V
0.01u
R2373
10k
R2301
1k
R2346
0
R2402
330
R2342
0
R2420
787
C2301
25V
470u
R2368
0
R2304
22k
C2314
1u
16V
C2307
0.082u
16V
L2301
G0C330MA0049
2SA207700L
Q2307
R2361
5.6k
C2367
0.22u
25V
R2329
100k
L2306
G0C330MA0049
C2363
0.1u
25V
PA5
1
2
3
4
5
6
7
8
9
10
11
C2356
0.47u
50V
R2395
2.8k
R2360
10k
R2409
1.62k
R2374
680
C2364
0.1u
25V
R2413
4.7k
IC2300
C0ABBA000168
1
2
3
45
6
7
8
C2355
0.1u
25V
C2311
8200p
50V
C2305
50V
0.01u
R2418
1k
MAIN9V
R2377
0
R2388
3.74k
L2300
G0C330MA0049
Q2302
B1ABCF000138
C2393
1u
16V
R2376
10k
C2350
0.01u
50V
C2369
0.1u
16V
C2323
0.22u
25V
C2332
25V 470u
R2414
330
R2307
43k
D2308
MA3X152E0L
R2387
715
R2353
10k
2SA207700L
Q2309
C2352
0.22u
25V
C2401
1u
10V
C2405
10u
6.3V
C2342
1u
25V
C2358
1u
25V
R2358
0
C2302
16V
100u
R2403
4.7k
R2314
2.2k
PA2
1
2
3
4
5
C2329
1u
25V
C2308
8200p
50V
R2383
3.74k
R2378
0
R2348
100k
C2359
1u
25V
C2306
0.082u
16V
R2343
0
R2324
0
L2303
G0C330MA0049
R2328
0
IC2304
C0ABBA000168
1
2
3
45
6
7
8
C2310
0.039u
16V
R2300
1k
R2401
330
C2361
25V 470u
C2303
16V
100u
R2416
4.7k
L2308
3.9u
R2310
0
Q2300
2SA207700L
C1AB00002451
IC2302
1
NC
2
RINN
3
RINP
4
AGND
5
LINP
6
LINN
7
NC
8
GAIN0
9
GAIN1
10
MSTR/NSLV
11
SYNC
12
NC
13
NC
14
R
OSC
15
VREG
16
VBYP
17
A
GND
18
BSLP
19
LOUTP
20
LOUTP
21
LOUTN
22
LOUTN
23
BSLN
24
NC
25
NC
26
PVCCL
27
PVCCL
28
PGNDL
29
PGNDL
30
VCLAMPL
31
VCLAMPR
32
PGNDR
33
PGNDR
34
PVCCR
35
PVCCR
36
NC
37
NC
38
BSRN
39
R
OUTN
40
R
OUTN
41
R
OUTP
42
R
OUTP
43
BSRP
44
NSHUTDO
W
N
45
MUTE
46
FA
U
L
T
47
NC
48
AVCC
C2337
0.22u
25V
IC2305
C0ABBA000168
NJM2904M(TE1)
1
2
3
45
6
7
8
R2302
22k
C2396
1u
16V
R2359
2.2k
R2355
2.2k
C2357
1u
25V
C2365
0.47u
50V
C2341
10u
25V
R2417
1.24k
C2403
50V
0.01u
ZA5601
K4CZ01000027
ZA5600
K4CZ01000027
TO SQUAKER
SQ-R
SQ_L+
SQ_R-
SQ_L-
SQ-L
MAIN9V
-
GND
L
MAIN_9V
-
600Hz HPF
-
W_L
-
GND
L
VCC
120Hz LPF
TO WOOFER/SPEAKER
SQ_L
15V
GND
(W-R & W-L)
+15V
SQ_R
+15V
-
GND
GNDs
GNDs
R
GNDs
+15V
W_R+
+15V
W_R
W_R-
-
W-L
NC
GND
W_L+
W-R
W_L-
VCC
VCC
VCC
+
+
L
R
+
L
+
GND
+15V
-
-
+
+
R
R
+
+
SQ_R+
(SQ-R & SQ-L)
+
L
R
-
-
+
GND
VCC
+
VCC
+
R
-
GND
-
L
SOUND_SOS
23
22
18
19
17
21
16
20
15V
15V
TO
P-BOARD
(P5)
OP AMP
SPEAKER AMP
SQUAKER AMP
34
31
33
35
32
15.0
0
0
0
0
15.0
0
15.0
15.0
15.0
15.0
EQUALIZER AMP
OP AMP
PA-BOARD TXNPA1BETB (3/3)
EQUALIZER AMP
TH-37/42PV600E, TH-37/42PX600B
PA-Board (3 of 3) Schematic Diagram
PA-Board (3 of 3) Schematic Diagram
TH-37/42PV600E, TH-37/42PX600B
PA-Board (3 of 3) Schematic Diagram
PA-Board (3 of 3) Schematic Diagram
TH-37PV600E / TH-37PX600B / TH-42PV600E / TH-42PX600B
107
14.22. H and TA-Board Block Diagram
YPBPR_Y
YPBPR_PR
YPBPR_PB
AV_R
PC_LIN
PC_RIN
PC_LIN
PC_RIN
TV_L
TV_R
AV1_L
AV1_R
AV2_L
AV2_R
AV3_L
RM_IN
AV1_RED
AV1_GREEN
AV1_BLUE
AV1_L
AV1_R
AV1_SLOW
AV1_VOUT
AV2_VOUT
AV2_V
AV2_C
AV2_R
AV2_SLOW
AV2_L
AV3_V
AV3_RED/C
AV3_L
AV3_VOUT
AV3_ROUT
DVB_CVBS
BS_SR
BS_SL
DVB_CVBS
AV3_LOUT
AV1_V
AV3_SLOW
AV3_BLUE
AV3_GREEN
PC_B
PC_G
PC_R
PC_V
PC_H
QLINK_AV2
QLINK_AV3
AV2_LOUT
AV2_ROUT
AV1_FB
AV3_FB
MSP
AM
HDMI_SL
HDMI_SR
AV3_R
AV4_R
AV4_L
AV3_LO
AV3_RO
AV_L
AV_R
HP_ROUT
HP_LOUT
AI_SENSOR
AV4_R
AV4_L
AV4_Y
AV4_V
AV4_C
AV4_S
RM_IN
STBY_LED
AI_SENSOR
STBY_LED
KEY1
PC_V
PC_H
PC_R
PC_B
PC_G
HDMI_SL
HDMI_SR
BS_SR
AV_L
AV3_R
FB
AFC1
KEY_EDGE
KEY1
KEY_EDGE
AV1_RO
AV2_RO
AV1_LO
AV2_LO
AM
MSP
TV_L
TV_R
AV1_ROUT
AV1_LOUT
BS_SL
AFC1
SD_RED_V
SD_V_OUT
SD_MONO_IN
SD_A_R
O
SD_IRQ
SD_RST
SD_TXD
SD_RXD
SD_A_LO
HP_LOUT
HP_ROUT
SD_MONO_IN
SD_REC_V
SD_A_RO
SD_A_LO
AV3_V
AV2_V
AV3_SLOW
AV4_Y
QLINK_AV2
YPBPR_PB
AV4_C
AV1_V
AV1_SLOW
AV3_VOUT
AV3_RED/C
AV4_S
AV3_BLUE
FB
YPBPR_Y
AV2_C
AV2_VOUT
AV2_SLOW
AV3_RED/C
QLINK_AV3
AV4_V
YPBPR_PR
AV3_GREEN
AV1_VOUT
SD_V
AV1_BLUE
AV1_RED
AV1_GREEN
SD_RXD
SD_TXD
SD_RST
SD_IRQ
1
2
3
6
7
8
10
11
12
15
16
19
20
1
2
3
6
7
8
10
11
15
19
20
1
2
3
6
8
10
15
19
20
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
36
SC1OR
27
24
57
SC1IL
25
56
SC1OL
MSP
37
SC1IR
28
IC2106
+
7
Q2104
1
Q2105
3
5
-
-
+
IC2104
VAO
SC2OR
33
34
SC2OL
AV3
L
R
Q2103
Q2102
Q2001
PB
PR
Y
JK3004
JK3005
JK2002
AUDIO OUT
H
67
RM_IN
AFC1
13
8
H5
10
TUNER
AFT1
TA5
VIDEO_OUT
14
8
TUNER
17
TA
TU001
12
SIF
11
12
S-CLOCK
14
RF AGC
AFT
SIF1(MSP)
6
S-DATA
MAIN VIDEO
8
RFAGC1
R
L
YPBPR
SCART
COMPONENT
VIDEO
R IN
BLUE IN
TV VIDEO OUT
TV VIDEO OUT
TV R OUT
RED IN
BLUE IN
FB IN
L IN
Q-LINK
BLK IN
GREEN IN
TV R OUT
TV L OUT
AV3 SLOW
RED IN
R IN
Q-LINK
L IN
VIDEO IN
CHROMA IN
TV R OUT
VIDEO IN
VIDEO OUT
TV L OUT
L IN
SDA2
AV1 SLOW
GREEN IN
SCL2
R IN
AV2 SLOW
VIDEO IN
TV L OUT
AUDIO_L
AUDIO_R
H6
2
TA6
1
9
8
SCL0B
SDA0B
SUB 30V
15
BTL
SUB 5V
Q2106,Q2108
60
59
16
17
1
2
3
4
8
9
30
32
33
31
L8
R8
L7
R7
L1
R1
L2
R2
L4
R4
PC
IN
TV
IN
AV1
IN
AV2
IN
AV3
IN
MAIN
ROUT1
ROUT2
OUT
LOUT2
AV3
LOUT1
OUT
OUT
AV2
SDA
SCL 35
36
IC2105
AUDIO SW
BT30V
SDA0B
SCL0B
SUB 5V
Q003
SDA0B
SCL0B
Q3016
Q3019
Q3020
Q3021
Q3022
Q2006
Q2007
MUTE
MUTE
SC5IL
SC5IR
STBY_LED
6
TO G51
H51
7
STBY_LED
KEY1
RM_IN
9
14
Q002
JK3003
SCART
AV2
JK3002
SCART
AV1
JK2003
AUDIO IN
H15
1
A
GC1
13
12
L6
R6
DVB
IN
AI_SENSOR
4
DVB_CVBS
BS_SL
46
BS_SR
40
44
TO DG1
H1
AUDIO_OUT
AM
13
10
JK3001
PC IN
Q3333
Q3332
Q3331
PC_R
PC_G
PC_B
5
IC3301
3
6
2
SIF TRAP
11
10
L5
R5
HDMI
IN
7
6
L3
R3
AV4
IN
23
24
ROUT5
LOUT5
OUT
AV1
ROUT3 28
27
LOUT3
Q2012
Q2011
Q2013
STB5V
19
MAIN_R
17
AV4_C
AV4_S
AV4_Y
25
AV4_V
22
29
AV4_L
27
20
18
AV4_R
AI_SENSOR
10
HDMI_SR
52
HDMI_SL
54
PC_H
34
30
PC_G
36
PC_B
32
PC_V
PC_R
38
DVB_LED
5
SC2IR
54
53
SC2IL
Q3024
MUTE
MUTE
Q2004
Q2003
12
2
10
6
14
8
STB3.3V
6
SUB5V
8
SUB5V
MAIN_L
KEY_EDGE
10
15
DVB_LED
TO DG2
H2
KEY1
9
KEY_EDGE
12
22
01
1
9
8
14
15
37
02
72
XOUT
71
X2101
XIN
MUTE
Q2009
MUTE
Q2010
SW
SCL0B
SDA0B
SW
Q3005
Q3001
SOS
80
77
RESET
74
AUDIO MUTE
SP MUTE
1
SUB 3.3V
73
STB 3.3V
SUB 3.3V
STB 3.3V
SL
3
SL
4
SR
7
SR
8
IN2
IN1
5
3
MUTE
2
OUT2
OUT1
7
1
IC2109
HP AMP
Q2302
Q2300
MUTE CCT
MUTE CCT
75
Q2301
Q2314
Q3008
SOS
SCL
2
3
SDA
SDA0B
SCL0B
21
RESETQ
Q2113
Q2114
SDA0B
SCL0B
SDA0B
66
SCL0B
65
76
MSP_RESET
TO PA40
H40
1
STB 5V
7
SUB 5V
9
SUB 5V
3
SUB 9V
MAIN 9V
5
11
SUB 3.3V
MAIN 3.3V
13
A_MUTE
15
MAIN 3.3V
SUB 9V
SUB 5V
SUB 3.3V
MAIN 9V
STB 5V
IC2103
1
3
AVR 8V
IN
OUT
SUB 9V
SUB 8V
SUB 5V
AVR BT30V
VDD
VOUT
SUB 9V
IC5603
1
2
5
EXT
Q5614
BT30V
IN
DACM L
PROCESSING
SELECT
PRE-
MODULATOR
ANA IN+
SP
OUT
TV
OUT
SELECT
OUT
HEADPHONE
PROCESSING
PROCESSING
DACA R
DACM R
LOUDSPEAKER
SELECT
SOUND
OUTPUT
DACA L
ADC
DE-
AUDIO
SOUND
DSP
PRESCALE
INPUT
DAC
SOURCE
DAC
IN
MAIN
OUT
DAC
TV
HP
SURROUND
ADC
IN
SUB
AV TERMINAL/AV SWITCH/MSP
8
VCC
A MUTE
BUFFER
18
SUB5V
20
SUB5V
1
SUB3.3V
3
SD_V_OUT
SD_V_IN
5
TO GS52
H52
SD_MONO_IN
SD_A
UDIO_
R
OUT
9
SD_A
UDIO
_LOUT
11
7
SD_IRQ
12
SD_RST
13
SD_TX
14 16
SD_RX
SUB5V
SUB3.3V
Q2316
V DET
Q2317
STB 5V
Q2315
MUTE SW
19
18
L9
R9
25
26
ROUT4
LOUT4
OUT
SD
SD_MONO_IN
SD_IRQ
SD_RXD
1
3
SD_RST
4
SD_TXD
2
STB3.3V
TV
29
22
25
31
16
YPBPR
V8
Q3018
IC3005
SD
50
MAIN PB
4
APD2
VOUT4
SUB_PR
30
RGB_FB
CY2
Q3027
35
IN
IN
64
AV1 IN
42
SCL0B
28
SA2
DVB IN
38
SDA0B
Q3029
AV4
MAIN Y/CVBS
SD_V
APD1
C3
PROUT1
SUB_PB
V4
PB/COUT1
57
IN
20
IN
Q3011
SUB_Y
CYOUT2
Q3014
CY3
C4
OUT
MAIN
15
59
Q3017
24
46
RGB
V6
QLINK_AV3
PB2
14
Y4
PR3
49
SCL
68
SA3
1
26
PROUT2
13
V2
VOUT6
22
V3
SA1
69
IN
Q3013
PB3
OUT
COMPONENT
14
Q3015
C2
45
MAIN_RF_CVBS
52
QLINK_AV2
VOUT5
27
V7
RGB CVBS
TV
36
V1
PBOUT2
AV3_V
37
OUT
Y2
VIDEO SW
48
62
61
AV3
IN
SDA
VOUT
S-3
SUB
AV2_V
Q3028
41
24
6
53
58
44
OUT
Y3
2
AV3
AV1_V
VOUT3
MAIN PR
51
Q3012
23
63
AV2
18
PR2
3
Y/VOUT1
Q3023
IN
PR1
PB1
20
AV1
19
17
RGB
CY1
Q2002
IN
SD
MUTE
IN
1
3
OUT
IC2110
AVR 5V
MAIN9V
MUTE
16
PX600B ONLY
PV600E ONLY
PV600E ONLY
PX600B ONLY
PX600B ONLY
PX600B ONLY
PX600B ONLY
TH-37/42PV600E, TH-37/42PX600B
H and TA-Board Block Diagram
TH-37/42PV600E, TH-37/42PX600B
H and TA-Board Block Diagram
TH-37PV600E / TH-37PX600B / TH-42PV600E / TH-42PX600B
108
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