G-Board Schematic Diagram - Panasonic TX-32LXD500 Service Manual

11.23. G-Board Schematic Diagram

G-BOARD TNPA3489AB
A
B
HP
C
D
E TO
V-BOARD
(V1)
G1
2.8
1
AI_SENSE
4.8 TO
2
SUB_5V
H-BOARD
0.7
3
REMOTE
(H4)
4
0
GND
3.3
5
STB_3.3V
6
0
Timer_REC_LED
3.2
7
R_LED
8 0
GND
9
IRD_LED 0
5.9
10
STB_LED
F
TX-26/32LXD500 TX-26/32LX500F/P G-Board Schematic Diagram
1 2
TP2534 TP2522 TP2523
TP2535 TP2525 TP2526
TP2536 TP2528 TP2529
R2634
0
R2635
0
JK3801 TP2537 TP2531 TP2532
R2625
0
K4BK23B00004
R2623
0
R2643
0
R2555
0 R2647
0
R3918
R3927 R3941 R3903
68k 22k 12k 6.8k
KEYSCAN
1% 1% 1% 1%
STR F - + TV/AV
C3850
0.1u
50V
C3849 C3848
R3907
50V
50V 180k
560p 560p
C3851
50V
0.1u
R3905 R3906
180k 180k
R3904
180k
3 4
TO
H-BOARD
G5
(H5) TP3906
1 17.5
SOUND_16V
JS2500
2 17.5 C2520
SOUND_16V C2522
35V
R2561
2200p
3 17.5 470u
SOUND_16V 50V 0
4 17.5
SOUND_16V
R2560
R2562 3.9k
5 17.5 R2557
SOUND_16V
1k
22k
TP3907
6 0 C2523 R2559
GND 50V 2200p 470k
7 0
GND C2524
R2558 C2525
C2521 50V 2200p
8 0 10k 0.1u 25V
GND 50V 47u
R2563
9 0
GND 47k
10 0
GND TP2509
R2564
11 4.3 2.2k
SQ_L
TP3908 C2526
12 0 C2590
GND TP2513 0.22u
1000p
25V
13 4.3 50V
WF_L
14 0
GND TP2512
TP2524
15 4.4 R2565
MUTE
1k
16 0
GND TP2511
R2566
17 4.3
SQ_R
100
TP2527
18 0
TP2510
GND
19 4.3
WF_R
20 0
GND
TP2530
TP2533
R2574
C2538 2200p
50V
0
R2573
3.9k
R2575
1k
R2572
C2539 2200p
50V
470k
C2541 C2540 2200p
25V
47u 50V
R2576
47k
R2577
2.2k
C2542
C2591
0.22u
1000p
25V
50V
R2578
1k
R2579
100
C2554
2200p R2587
50V
0
R2586
R2588 3.9k
1k
C2555
2200p
50V
C2556
R2585
C2557 2200p
50V 470k
25V
47u
R2589
47k
R2590
2.2k
C2558
C2592
0.22u
1000p
25V 50V
R2591
1k
R2592
100
C2570
2200p
R2600
50V 0
R2599
3.9k
R2601
1k
C2571
R2598
2200p
470k
50V
C2572
C2573 2200p
50V
25V
47u
R2602
47k
R2603
2.2k
C2593
C2574
0.22u 1000p
25V 50V
R2604
1k
R2605
100
5 6
57
TX-32LXD500 / TX-26LXD500 / TX-32LX500F / TX-32LX500P / TX-26LX500F / TX-26LX500P
R2570
6.8k
C2611
C2586 25V
50V 0 0 4.7u
1 VSSD 20
0.015u
VSSD
0 8.7
2 VSSA 19
C2537
HVPI
0.1u
50V
8.7 17.5
3 IN- 18
VDDP
C2535
SQ L
50V 220p
8.3 20.3
4 IN+ 17
BOOT +
C2530 C2531 R2571 R2569
C2527 IC2500
0.015u
2.2u 2.2k 10
0.1u
17.5 8.7 50V 50V
5 VDDA 16
OUT
L2500
50V C2536
C1BB00000998
50V G1C330K00024
C2534
220p
5.0 6 POWERUP 15 0
25V
VSSP
1u
4.4 7 ENABLE 14 12.5
STABI TP2514
C2529
25V
TP2515
8.2 0.22u
0 8 DIAG 13
HVP
*L2508 TP2516
*D2517
J0JJC0000011
0 9 CGND 12 0 MAZ81400ML TP2517
OVP 1%
*R2611
C2528
680
25V
0 10 VSSD 11 0
1000u
VSSD
R2583
12k
C2612
4.7u
C2587
25V
50V
0 0
1 VSSD 20
0.015u VSSD
0 8.7
2 VSSA 19
HVPI
C2553
0.1u
50V
8.7 17.5
3 IN- 18
VDDP
C2551
WF L 220p
50V
8.3 20.3
4 IN+ 17
BOOT + R2582
C2546 C2547 R2584
C2543
2.2u 2.2k 10
0.015u
0.1u 50V
17.5 8.7 50V
5 VDDA 16
OUT
50V IC2501 L2501
C2552
G1C330K00024
50V
C2550
5.0 0
6 POWERUP 15 220p 1u
VSSP
25V
C1BB00000998
4.4 7 ENABLE 14 12.5
STABI C2545
25V
0.22u
8.2
0 8 DIAG 13
HVP
*L2509
J0JJC0000011
0 9 CGND 12 0
OVP 1%
*R2626
C2544
680
25V
0 10 VSSD 11 0
1000u
VSSD
SUFFIX JW
R2596 6.8k
AB
*JS3901
0 1 VSSD 20 0 C2613
VSSD 4.7u
25V
C2588 0 2 VSSA 19 8.7
0.015u HVPI
50V C2569
0.1u
17.5
8.7 3 IN- 18
VDDP
C2567 50V
SQ R 50V 220p
8.3
20.3
4 IN+ 17
BOOT +
C2562 C2563 R2595
IC2502 R2597
C2559 0.015u 2.2u 10
2.2k
50V
0.1u 17.5 8.7 50V
5 VDDA 16
OUT
L2502
50V C2568
C1BB00000998
50V G1C330K00024
C2566
5.0 0 220p
6 POWERUP 15 1u
VSSP
25V
4.4 12.5
7 ENABLE 14
STABI
C2561 TP2518
0.22u
25V TP2519
0 8.2
8 DIAG 13
HVP
*L2510
J0JJC0000011
0 0
9 CGND 12 C2560 TP2520
OVP
1%
25V
*R2627 TP2521
1000u
0 0 680
10 VSSD 11
VSSD
R2609
12k
C2614
C2589 25V
0.015u 0 0 4.7u
1 VSSD 20
50V
VSSD
0 8.7
2 VSSA 19
HVPI C2585
WF R 50V
0.1u
8.7 17.5
3 IN- 18
VDDP
C2583
50V 220p
8.3 4 IN+ 17 20.3
BOOT +
C2575 R2608
IC2503 C2578 R2610
0.1u C2579
50V 10
50V 2.2k
50V 17.5 0.015u
5 VDDA 16 8.7 2.2u
OUT
L2503
C2584
C1BB00000998
50V G1C330K00024
C2582
5.0 6 POWERUP 15 0 220p
1u
VSSP
25V
4.4 12.5
7 ENABLE 14
STABI
C2577
25V 0.22u
0 8.2
8 DIAG 13
HVP
*L2511
J0JJC0000011
0 0
9 CGND 12
OVP
1%
C2576
*R2628
680 25V
0 0
10 VSSD 11 1000u
VSSD
TX-26/32LXD500 TX-26/32LX500F/P G-Board Schematic Diagram
7 8
TO
SPEAKER
(L CH)
G10
8.7 1
SQ_L +
8.2 2
SQ_L -
8.7 3
Woo_L +
8.2 4
Woo_L -
TO
SPEAKER
G11
(R CH)
8.7 1
SQ_R +
8.2 2
SQ_R -
0 3
NC
8.7 4
Woo_R +
8.2 5 Woo_R -
9