Gs, K And S-Board Block And Schematic Diagram - Panasonic TH-42PX75U Service Manual

TH-42PX75U

15.10. GS, K and S-Board Block and Schematic Diagram

A
SW2500
POWER SW
PUSH
S2
2
S POWER SW
B Modem_LED/KEY3
Active_STB_LED
R_LED_ON/STBY_LED
C
D
E
TH-42PX75U
GS, K and S-Board Schematic Diagram
1
Q2510 OUT
GND
STB3.3V
VCC
K2
RM2501
REMOTE RECEIVER
KEY3 2
D2520A
POWER LED
TO A1 K1 ON/OFF
Q2511
7
REMOCON 1
3
3.3V
STBY3.3V
4
K REMOTE RECEIVER,LED
POWER LED
GS SD CARD SLOT
SD CARD 3.3V
GS52 TO A52
JK7701
SLOT
3.3V 4 1 3.3V
SDCMD 2 8 SD DATA0
SDCLK 5 9 DATA1
SDDAT0 7 8 10 DATA2
SDDAT3 9 1 11 DATA3
5 SDCMD
D.SW
3 SDCLK
W.P .
7 SDCD
12 SDWP
KEYSCAN1
13
SW3754 SW3758 SW3757 SW3756 SW3755
TV/VTR CH.UP CH.DN VOL.UP VOL.DN
2 3
RM2501
PNA4701M05TV
REMOTE RECEIVER
D2512
MAZ80430LL
C2512 C2521
6.3V 50V
10u 0.01u
R2517
47
Q2510
R2516 2SD0601A0L
22k
SW2500
K0F122A00172
POWER SW
S-BOARD
!
TNPA4237S
R3766
0
R3758
3.16k
R3752
1.74k
R3756
0
JK7701 TV/VTR VOL.DN
R7716
0
SDDAT2 R7703 68
9
SDDAT3 R7705 68
1
SDCMD R7709 68
2
3
GND
JS7701
3.3V 0
4
R7713
SDCLK
5 0
L7701
6
GND J0JCC0000143
C7729 C7708
SDDAT0
6.3V 16V 7
10u 0.1u
R7704 68
C7730 C7702
8 SDDAT1
6.3V 4V
100u
10u R7701 68
R7702 10
0
D.SW
R7710
11
100
12
R7708 W.P .
0
R7791 0
R7796 0
R7792 0 R7795 0
R7793 0 R7794 0
GS-BOARD TNPA4280S
!
4 5
62
K-BOARD TNPA4236S
!
D2520A
LN1271RALTR D2524 C2515
50V
MA8056MTX
POWER LED
0.01u
R2525
820
Q2511
R2542
47k 2SD0601A0L
R2520 R2524
220k 22k
R2557
5.6k
K2 K1
S2
TO
A-BOARD
(A1)
R3767 R3753 R3754
0 1.62k 2.32k
VOL.UP CH.DN CH.UP
C3750
50V
1000p
GND
14
KEYSCAN1
13
SDWP
12
SDDAT3
11
SDDAT2
10
SDDAT1
9
SDDAT0
8
SDDTC
7
GND
6
SDCMD
5
GND
R7731 4
0
SDCLK
3
GND
2
3.3V
1
GS52
TO
A-BOARD
(A52)
TH-42PX75U
GS, K and S-Board Schematic Diagram
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