Gs, K And S-Board Block And Schematic Diagram - Panasonic TH-50PC77U Service Manual

TH-50PX77U / TH-50PE77U

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

A
SW2500
POWER SW
PUSH
S2 K2
2 KEY3 2
S POWER SW
K1
TO A1
Modem_LED/KEY3
5
Active_STB_LED
REMOCON 1
R_LED_ON/STBY_LED 3
B
STBY3.3V 4
JK3701B
AV3 IN / KEY SW
AV3 IN
R-SW
R
R
R-G
L
L
C
L-G
V-SW
V
V
V-G
C
Y
G
C Y
CY-G
G
GS SD CARD SLOT
D
SD CARD
JK7701
SLOT
3.3V 4
SDCMD 2
SDCLK 5
SDDAT0
7 8
SDDAT3 9 1
D.SW
W.P .
E
TH-50PX77U/PE77U
G, GS, K and S-Board Block and Schematic Diagram
1
OUT
Q2510
GND
STB3.3V
VCC
RM2501
REMOTE RECEIVER
D2520A
POWER LED
ON/OFF
Q2511
3.3V
K
REMOTE RECEIVER,LED
POWER LED
G
G51
TO A51
2 AV3_R
4 AV3_L
10
AV3_V
8 AV3_C
6 AV3_Y
5 AV3_S_DET
1 KEYSCAN1
SW3754 SW3758 SW3757 SW3756 SW3755
TV/VTR CH.UP CH.DN VOL.UP VOL.DN
3.3V
GS52
TO A52
1
3.3V
8 SD DATA0
9
DATA1
10 DATA2
11 DATA3
5
SDCMD
3 SDCLK
7 SDCD
12 SDWP
2 3
!
D2512
MAZ80430LL
C2512 C2521
6.3V 50V
0.01u
10u
R2517
47
R2516
22k
S-BOARD
!
TNPA4237S
JK3701B
AV4 IN
K4AK13B00001
R3758 R3766
0
3.16k
R3767 R3752 R3753
0 1.74k 1.62k
TV/VTR VOL.DN VOL.UP
R3756
0
C3750
50V
1000p
ZA3701 ZA3702
K4CZ01000027 K4CD01000013
R3716 R3717
39k 39k
G-BOARD
!
TNPA4306S
G51
TO
A-BOARD
(A51)
4 5
62
K-BOARD TNPA4307S
RM2501
PNA4701M05TV
REMOTE RECEIVER
D2520A C2515
D2524
50V
LN1271RALTR
MA8056MTX 0.01u
POWER LED
Q2510
R2525
2SD0601A0L
820
R2542
47k
Q2511
2SD0601A0L
R2520
220k
R2524
22k
R2557
5.6k
K2 K1
S2 TO
A-BOARD
(A1)
SW2500
K0F122A00172
POWER SW
R3754
2.32k
0 0
R7794 R7796
R7799 0 R7797 0
SD CARD
R7793 0 R7798 0
SLOT
R7792 0 R7795 0
CH.DN CH.UP
JK7701
R7703 68
SDDAT2
R7716 9
0
SDDAT3 R7705 68
1
R7709 68
2 SDCMD
3
GND
JS7701
3.3V
4 0 3.3VSD
SDCLK
5
L7701 R7731
R7713
J0JCC0000143
6 0 0
GND
C7729
C7708
6.3V 16V SDDAT0 R7704 68
7
10u
0.1u
C7730 C7702 SDDAT1 R7701 68
8
6.3V 4V
10u 47u
R7702
10
0
D.SW
R7710
11
100
12
R7708
W.P .
0
GS-BOARD TNPA4308S
!
TH-50PX77U/PE77U
G, GS, K and S-Board Block and Schematic Diagram
6 7
13
SDWP
12
SDDAT3
11
SDDAT2
10
SDDAT1
9
SDDAT0
8
SDDTC
7
GND
6
SDCMD
5
GND
4
SDCLK
3
GND
2
3.3V
1
TO
A-BOARD
GS52
(A52)
8