Panasonic TH37LRU20 - HOSPITALITY LCD HDTV, Service Manual

Page: 42 / 64

TH-42LRU20
42
11.16. A-Board (15 of 19) and V-Board Schematic Diagram
S
S
S
S
S
VCC GND OUT
S
BOTTOM PAD NC
+
SG-RMIN
R_LED_ON
SG-KEY3
C2753
1000p
50V
C2757
1000p 50V
C2762
1000p
50V
C2752
1000p
50V
C2776
50V
1000p
C2775
100p
50V
C2750
16V
0.1u
C2755
1000p
50V
C2777
50V
1000p
C2761
0.1u
16V
C2751
1000p
50V
C2778
16V 0.1u
C2779
10u
16V
C2780
0.1u 25V
C2756
1000p
50V
C2781
1000p
50V
C2789
16V 0.1u
C2788
0.1u
16V
C2798
16V
0.01u
DZ2J062M0L
D2766
DZ2J140M0L
DZ2J062M0L DZ2J062M0L DZ2J062M0L
D2758
EZJZ0V120JA
EZJZ0V120JA
D2780
EZJZ0V120JA
EZJZ0V120JA
A02
1
2
3
4
CN0100
1
2
3
4
5
6
7
8
A10
1
2
3
4
5
6
7
8
A09
1
2
3
4
5
6
7
8
9
10
11
12
13
14
16
17
15
L2750
L2755
J0JYC0000065
L2754
L2751
L2753 J0JYC0000065
STB3.3V
SUB_F12V_15V
STB5.8V
SUB5V
STB3.3V
STB3.3V STB3.3V
STB_SUB_5.8V
5.8VS
5.8VS
P17V
STB5V
VJ2751
VJ2754
VJ2752
VJ2753
VJ2700
PA2750
K5H4022A0031
TP2770
TP2769
TP2783
TP2775
TP2773
TP2790
TP2791
TP0105
TP1056
TP1054
TP2840
TP0106
TP2814
TP2792
TP2797 TP2796
TP0101
TP1053
TP1052
TP0104
TP2800
TP2789
TP2788
TP1055
TP2793
TP2813
TP2779
TP2776
TP2774
TP2771
TP2780
TP0107
TP2772
TP2778
TP0102
TP2784
TP1057
TP2785 TP2798 TP2799
LCD_TV_SUB_ON
INV_PWM
SG-R_LED_ON
PG-ACTIVE_STBY_LED_ON
SG-PD4H_PANEL_MAIN_ON/PANEL_VCC_ON
SG-ECO_ON/BL_ON
SG-KEY1
SG-KEY3
SG-AI_SENSOR
STMRMIN
STMADIN4
MATE_IR
DEVELOP_SCL0
DEVELOP_SDA2
DEVELOP_SCL2
DEVELOP_SDA1
DEVELOP_SDA0
DEVELOP_SCL1
Q2750
DSC200100L
Q2751
DSC200100L
R2792
10k
R2821
0
R2764
47k
R2752
0
R2771
10k
R2795
100
R2763
47k
R2789
10k
R2818
0
R2788
47k
R2785
100
R2766
0
R2762
2.2k
R2753
0
R2761 100
R2760 100
R2786
100
R2791
10k
TP2504
RM2500A
B3RAD0000168
1 2 3
C2514
10u
10V
R2515
120k
C2505
0.1u
16V
R2512
47
TP2500
VJ2500
TP2502
TP2506
TP2501
SN2500
B3JB00000078
1 IOUT
4 NC
2 GND
3 VCC
5 GC1
6 GC2
R2517
100k
R2516
10k
TP2503
R2509
604
R2532
0
C2501
6.3V
47u R2530
3.3k
R2514
5.6k
D2500A
B3AAB0000343
R2543
0
Q2500
DSC200100L
R2529
3.3k
TP2508
R2518
10k
C2502
0.01u
16V
R2504
22k
R2502
47k
TP2507
Q2504
DSC200100L
V10
1
2
3
4
5
6
7
IRD_LED
From STM
SG-PANEL_SOS/BL_SOS
IIC
STB5V
IIC
(GenX8 Loarder/E2PROM) GenX8_SCL
SRQ
(PEAKS E2PROM)
GND
(GenX8 Loarder/E2PROM)
(Device Control) PEAKS_SDA0
GenX8_SDA
(Device Control)
NC
PEAKS_SDA3
PEAKS_SCL3(PEAKS E2PROM)
PEAKS_SCL0
TO
CONTROL
PANEL ASSY
TO
P-BOARD
(P2)
FOR
FACTORY
USE
!
A-BOARD TXN/A11PDUS (15/19) Set
TO 1/19
TO 3/19
TO 6/19
TO 6/19
TO 6/19
TO 6/19
TO 6/19
COMMON PORT
TO 6/19
sLD(STM)
TO 17/19
TO 6,13,15,18/19
GND
POWER LED
REMOTE RECEIVER
SUFFIX:AD
! V-BOARD TXN/V10QHMM
C.A.T.S SENSOR
SUB5V
G_LED_ON
RMIN
STB3.3V
R_LED_ON
IRD_LED
AI_SENSOR
TO 19/19
CONNECTOR(A5)
CONNECTOR(A5)
GND
KEYSCAN
5VS/GND
STB5/KEY3
ADIM
ON/OFF
PWM
ALARM
RELAY_5VS
MAIN_ON
SUB_ON
GND
AUDIO_VCC
GND
12V
12V
GND
5.8V
STB_5VS
TP2794 TP2782 TP2795
D2777 D2779 D2776 D2778 D2774 D2775
STMGPIO3
ADJ-STM_SDA
ADJ-STM_SCL
ADJ-PEAKS_SCL
ADJ-PEAKS_SDA
SG-SRQ_GENX
130 132 129 128 127 133 131 134 135