Panasonic TH-42PX6U Service Manual page 203

15.21. GK, K, HC and S-Board Schematic Diagram
A
IC2511
B3L000000020
AI SENSOR
D2512
MAZ80430LL
C2511
16V
1u
C2512
D2511 6.3V
10u
MA8056MTX
R2517
47
B
R2516
22k
D2510
MA8056MTX
R2512
47
C2510
16V
1u
C
S-BOARD
TNPA3964ABS
SW2500
K0F122A00172
POWER SW
D
R3757 R3750 R3751
6.65k
1.74k 14.3k
SW3752 SW3751 SW3753
EVQ11G05R EVQ11G05R EVQ11G05R
TV GUIDE MENU OK
GK-BOARD TNPA3965ABS
E
TH-42PX600U
GK, HC, K and S-Board Schematic Diagram
1 2
K-BOARD TNPA3762ABS
RM2501
PNA4701M05TV
REMOTE RECEIVER
D2520A
LN1271RALTR
POWER LED
C2521
50V C2515
0.01u 50V
R2525
0.01u
820
Q2510
Q2511 D2524
B1ABCF000138 MA8056MTX
B1ABCF000138
R2542
47k
R2520
220k
R2524
22k
R2557
5.6k
R2521
47
K2
K1
TO
G-BOARD
(G1)
S2
R3759
R3762
R3766 0 0
0
R3760 R3763
0 0
R3758 R3767 R3752 R3753 R3754
3.16k 0 1.74k 1.62k 2.32k
R3761 R3764
0 0
SW3754 SW3755 SW3756 SW3757 SW3758
EVQ11G05R EVQ11G05R EVQ11G05R EVQ11G05R EVQ11G05R
TV/VTR VOL.DN VOL.UP CH.DN CH.UP
GND
3
KEY
2
R3756
0
KEY2/KEYEDGE
1
C3750
C3751 50V
GK3 TO
50V
1000p
1000p
G-BOARD
(G3)
3
STBY3.3V
40
FOR
39
FACTORY
HC01
IIC_CONT
38 USE
37 1
STBY3.3V
IIC_CLK2 1 2
36 IIC_CONT
IIC_DATA2
35 3 4 SCL1
TXD SDA1
34
5 6
RXD IIC_CLK2
33
IIC_DATA2
7
IIC/INT 8
TXD
32
RXD
PSTB
31 9 10
IIC/INT
PSTB
30
11 12
PBUSY PBUSY
29
PDB0
PDB0 13 14
28 PSLCT
PDB1
PSLCT
15
27 16
G_LED
PDB1 R_LED
26
17 18
G_LED REMOCON
25
STB5V
R_LED 19 20
24
REMOCON P15V
23 21
STB5V
22
21
FOR
P15V
FACTORY
20 HC
SRQ1 22 USE
19
1
SCL0A STB5V
18
2
SDA0A SRQ1
17
3
GND
GND
16
4
SCL0B SCL0A
15
5
SDA0B SDA0A
14
6
SCL0B
13
IIC0B
7
SCL1 SDA0B
12
8 SCL1
SDA1
11 IIC1
9 SDA1
10
10
SCL2 SCL2
9
IIC2
11
SDA2 SDA2
8
7
SBI1
6
SBO1
5
4
BA_SCL0
3
2
1
BA_SDA0
HC
15
TO
HC-BOARD TNPA3855E
DG-BOARD
(DG15)
4 5
89
TO
DT-BOARD
(DT07) FOR
FACTORY
HC HC
06 21 USE
1 1
SUB5V SUB5V
2 2
PEAKS_SBO PEAKS_SBO
3 3
PEAKS_SBI PEAKS_SBI
4 4
GND GND
5 5
LITE_SBI SBI1
6 6
LITE_SBO SBO1
7 7
BA_SCL0
8
BA_SDA0
9
LITE_SBO
10
LITE_SBI
OUTPUT OF PEAKS
INPUT TO PEAKS
PEAKS/LOADER
PEAKS/LOADER
TH-42PX600U
GK, HC, K and S-Board Schematic Diagram
6 7
TH-42PX600U
8