Panasonic TH-42PW6EX Service Manual page 95

Z-BOARD TNPA2815 (2/2)
!
1
2
IC2301
C1BA00000278
AUDIO AMP
1 28
R2351 C2362
2 27
10k
3 26
LIPPLE FILTER SW GND
R2353
4 25
AMP STB SW SW GND
10k
Q2330
5 24
NC SW B
2SD1266AQ0LB
6 23
NC SW E
220uH
C2352
7 22 L2330
ON TIME SW OUT
50V
8 21 C2366
NC Vcc(SW)
10u
2.2u
50V
9 20
PRE GND Vcc =
C2350 50V R2357
10 19 1/2W
16V NC
2.2
2.2u Thermal
Pad C2360
11 18
IN
1000p
12 17
BEEP
OUT-
13 16
POWER GND OUT+
C2356
C2364 C2368
50V
14 15 0.1u 0.1u
1000p POWER GND POWER GND
50V 50V
=
C2358
R2355 R2359
50V
1/2W 1/2W
2.2u
2.2 2.2
=
AUDIO AMP
1 28
R2352
2 27
10k
3 26
LIPPLE FILTER SW GND
R2354
4 25
AMP STB SW SW GND
10k
5 24 Q2331
NC SW B
2SD1266AQ0LB
6 23
NC SW E
C2353 L2331
7 22
220uH
ON TIME SW OUT
50V 10u 8 21 C2367
NC Vcc(SW)
2.2u
9 20 50V 50V
PRE GND Vcc =
C2351 1000p R2358
10 19
16V
NC 2.2
2.2u Thermal
C2361 1/2W
11 Pad 18
3 IN
12 17
BEEP
OUT-
C2357
50V 13 16
4 POWER GND OUT+
1000p
C2365 C2369
14 15
0.1u 0.1u
POWER GND POWER GND
50V 50V
C2359 =
50V R2356 R2360
2.2u 1/2W 1/2W
2.2 2.2
=
R2350
4.7k IC2302
C1BA00000278
5
6
7
8
9
10
11
12
13
14
TH-42PW6/TH-42PWD6
Z and H3-Board(2of2)Schematic Diagram
9
8
25V
470u
JK8500
K4BC02B00013
Z7 H37
L8501
D2301 G0A2R5H00003
1 1 SPEAKER
B0JCME000025 +R OUT
2 2 TERMINAL
3 3 (R)
-R OUT
L8502
G0A2R5H00003
H3-BOARD
!
TNPA3003
C2363
25V
470u
JK8500
Z6 H37
L8501 K4BC02B00013
G0A2R5H00003
SPEAKER
1 1
+L OUT
TERMINAL
2 2
D2302
3 3 (L)
B0JCME000025 -L OUT
L8502
4
G0A2R5H00003
H3-BOARD
!
TNPA3003
10 11
TO
P-BOARD
Z5 (P5)
1
DIG12V
2 12V
DIG12V
3
5V
4
STB5V
5
GND
6
GND
R2365
7
SOUND12V
R2366
8
ERX1FJSR56E SOUND12V
R2367
9
3.3k
R2368 10k
10
35V
11
DR15V
C2370 47u
Q2370
2SB0709A0L
R2373
10k
R2369
R2372
10k
1k
R2371
R2370 1k
2.2k
Q2334 Q2333
2SD0601A0L
2SD0601A0L
C810
25V
560u
12 13
AVR 9V
IC801
C0DAAHG00008
1%
R805 1% C808
1k R806 0.01u
15
L801 50V
G1C101ZA0037
9V
C802 C805
25V 16V
470u 1000u
D802
B0JCME000025
AVR 5V
IC802
C0DAAHG00007 3.3V/1.2A
1%
R803 1% C809
1k
R807 0.01u
15
50V
L802
G1C121ZA0037 5V
C803 C806
25V 10V D806
330u 1000u B0BC6R8A0010
D803
B0JCME000025
C816 R809
6800p
50V 1.2k
1%
R810
C813
510
0.047u
1%
50V
R808
47
IC803 3.3V
C0DBALH00002
C815
0.1u
50V
D807
B0BC6R8A0010
L803
G1C680ZA0037
C811
C812
0.01u
0.1u
50V C807
50V
D804 0.1u
C814
B0JCPD000010
50V
6.3V
1500u
AVR 3.3V
TH-42PW6/TH-42PWD6
Z and H3-Board(2of2)Schematic Diagram
14
TO
J-BOARD
(J8)
Z8
9V/0.5A
1
SLOT9V
2
GND
5V/0.4A
3
SLOT5V
4
GND
5
SLOT3.3V
6
SLOT3.3V
7 GND
8 GND
9 DIG12V
10 SCL3
11 SDA3
12 DR15V
13 GND
14 RESET
15 SOUND MAIN MUTE
16 GND
17 L
18 GND
19 R
20
GND
15