14.8. PA-Board (2 of 3) Schematic Diagram
+
+
Thermal
Pad
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
Thermal
Pad
+
MAIN9V
SUB5V
MAIN5V
SUB9V2
+12Vs
+9V
Q7502
UNR221400L
D7546
MA3X152E0L
PA7
1
2
3
4
C2306
35V
47u
R2406
560
1/2W
R2315
2.2
C2311
50V
6800p
R2305
1.2k
D7505
MAZ21200A0LS
R7549
100k
PA3
1
2
3
4
D7549
MA2J11100L
TPB7502
R7532
470
D7547
MA2J11100L
L2303
ERD25V0T
R2393
0
Q7544
2SD0601A0L
D7544
MA2J11100L
1%
R7507
806
R2306
1.2k
C7509
50V
10u
Q2402
2SD0601A0L
C1BA00000309
IC2301
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
C7505
25V
470u
D7508
MAZ20680A0LS
R2405
560
L7504
G0C101K00023
D7537
MA2J11100L
1%
R7545
2.2k
C7511
25V
470u
C2333
25V
470u
1%
R7508
1.87k
C2307
50V
4.7u
C7515
16V
470u
1/2W
R2312
2.2
Q2301
2SD1266AQ0LB
R7533
1k
R7535
220
R7505
22k
R7540
4.7k
C7536
16V
0.47u
R7537
10k
L2301
220uH
R2403
10k
C2417
16V
4.7u
C2325
25V
470u
R7548
2.2k
C2327
50V
0.1u
R2308
270
1%
R7504
3.92k
R7541
2.2k
L7509
33u
TPB7503
R7506
2.2k
C2321
50V
2.2u
R2398
1k
Q2311
2SD0601A0L
C7532
16V
330u
R7526
4.7k
R7536
470
R7542
470
C2330
50V
0.1u
Q7543
2SB0709A0L
C2310
16V
2.2u
R7550
220
Q7541
2SB0709A0L
1/2W
R2313
2.2
Q7542
2SB0709A0L
C2334
25V
470u
C7572
50V
10u
D7507
MA2Q73700L
C2323
50V
1000p
R2390
1k
L7507
G0C101K00023
L2304
ERD25V0T
Q2309
2SD0601A0L
R7543
1k
1%
R7503
806
C2329
50V
0.1u
D7541
MA2J11100L
C7541
16V
0.1u
1%
R7559
470
C2326
25V
470u
R2391
10k
C7506
25V
470u
Q7505
UNR221400L
R7538
10k
Q2403
2SD0601A0L
1/2W
R2311
2.2
R7527
4.7k
C7543
16V
0.1u
R7547
220
Q7501
B1DHDD000013
D2301
B0JCME000025
R2307
270
C2309
16V
2.2u
R7539
2.2k
L2302
220uH
Q7503
B1DHDD000013
C2339
50V
10u
D7539
MAZ30470HL
R7525
4.7k
R2401
10k
C2322
50V
2.2u
R2404
10k
1/2W
R2316
2.2
D2302
B0JCME000025
D7548
MA2J11100L
C2342
50V
10u
Q7504
UNR221400L
D7538
MA2J11100L
D7504
MA2Q73700L
D7545
MA2J11100L
C7542
16V
0.1u
R7588
0
C2401
50V
0.01u
R7515
22k
C7512
25V
470u
C2314
50V
2.2u
C2422
16V
4.7u
C2308
50V
4.7u
L7505
100u
C2313
50V
2.2u
IC7502
C0DAAZG00006
1
V IN
2
SW out
3
GND
4
VO S
5
ON/OFF
C7513
50V
0.01u
L7506
33u
C1BA00000309
IC2302
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
C7544
16V
0.1u
R7517
220
C2324
50V
1000p
C2305
35V 47u
C7570
50V
0.01u
D7542
MA2J11100L
1/2W
R2314
2.2
C7537
16V
0.47u
R7544
2.2k
C2328
50V
0.1u
1%
R7546
2.2k
R2392
22k
R2402
10k
D7540
MAZ30390HL
Q2302
2SD1266AQ0LB
C2312
50V
6800p
L7508
100u
IC7503
C0DAAZG00006
1
V IN
2
SW out
3
GND
4
VO S
5
ON/OFF
R2319
0
R2320
0
R2317
0
R2318
0
TPB7508
TPB7509
JS7525
JS7528
GNDs
+15Vs
R
L
SP_L-
SP-L+
SP_R-
SP_R+
AMP
FILTER
LIPPLE
STB SW
H/P
HP IN
STB SW
SW REG.PART
POWER GND
POWER GND
BEEP
IN
HLS
NC
PRE GND
NC
ON TIME
NC
NC
NC
FILTER
LIPPLE
HP OUT
6dB
SW GND
OUT-
OUT+
POWER GND
SW
DRIVE
Vcc
Vcc(SW)
OUT
SW
E
SW
B
SW
6dB
HP OUT
LIPPLE
FILTER
NC
HP IN
SW REG.PART
NC
SW GND
SW
B
SW
E
SW
OUT
Vcc(SW)
Vcc
NC
ON TIME
NC
PRE GND
NC
HLS
DRIVE
SW
H/P
STB SW
LIPPLE
FILTER
STB SW
AMP
IN
POWER GND
BEEP
OUT+
OUT-
POWER GND
POWER GND
SI-8015JF
SI-8015JF
SPEAKER
(SP-R & SP-L)
+15Vs
GNDs
SP AMP
11
12
14
13
9
10
8
15
SP MUTE
AUDIO MUTE
SP AMP
TO
TO
P-BOARD
(P7)
SUB 9.2V
SUB 5V
ERROR DET
TV ON/OFF
TV ON/OFF
TV ON/OFF
TV ON/OFF
SP ON/OFF
SP ON/OFF
R AMP
L AMP
ERROR DET
ERROR DET
ERROR DET
ERROR DET
!
2
3
1
4
5
14
15
16
19
13
17
11
12
20
18
6
9
7
8
21
22
PA-BOARD TXNPA1QCSE(2/3)
TH-42PA20B/E
PA-Board(2of3)Schematic Diagram
TH-42PA20B/E PA-Board(2of3)Schematic Diagram
44
Summary of Contents for TH-37PA20AA
Page 20: ...4 TH 37PA20AA TH 37PA20FA TH 37PA20HA TH 37PA20MA TH 37PA20RA ...
Page 30: ...6 Mechanical Replacement Parts List 10 ...
Page 68: ...R483 ERG2FJS104D M 100KOHM J 2W 1 48 ...
Page 71: ...R1061 ERJ3GEYJ223 M 22KOHM J 1 16W 1 51 ...
Page 107: ...6 Mechanical Replacement Parts List 9 ...
Page 110: ...7 2 Electrical Replacement Parts List 12 ...
Page 144: ...R408 ERJ6GEYJ6R8 M 6 8 OHM J 1 10W 1 46 ...
Page 148: ...R1075 ERJ3GEYJ102 M 1KOHM J 1 16W 1 50 ...
Page 172: ...S300 K0F162B00002 SWITCH 1 74 ...
Page 287: ...2 Service Hint 7 TH 42PA20A TH 42PA20F TH 42PA20H TH 42PA20M TH 42PA20R ...
Page 288: ...8 TH 42PA20A TH 42PA20F TH 42PA20H TH 42PA20M TH 42PA20R ...
Page 308: ...7 3 Lead of wiring 3 ...
Page 309: ...7 4 Lead of wiring 4 ...
Page 315: ...9 3 Option Description ...
Page 316: ......
Page 317: ...10 CAT computer Aided Test mode ...
Page 330: ...17 Mechanical Replacement Parts List ...
Page 568: ...1 Applicable signals 4 TH 42PA20E TH 42PA20B ...
Page 572: ...5 Service Hint 8 TH 42PA20E TH 42PA20B ...
Page 578: ...7 Location of Lead Wiring 7 1 Lead of Wiring 1 7 2 Lead of wiring 2 14 TH 42PA20E TH 42PA20B ...
Page 579: ...7 3 Lead of wiring 3 15 TH 42PA20E TH 42PA20B ...
Page 580: ...7 4 Lead of wiring 4 7 5 Lead of wiring 5 16 TH 42PA20E TH 42PA20B ...
Page 586: ...22 TH 42PA20E TH 42PA20B ...
Page 587: ...9 3 Option Description 23 TH 42PA20E TH 42PA20B ...
Page 588: ...24 TH 42PA20E TH 42PA20B ...
Page 591: ...10 4 IIC mode structure following items value is sample data 27 TH 42PA20E TH 42PA20B ...