H, K, S And Z-Board Block Diagram - Panasonic TH-37PX50U Service Manual

13.21. H, K, S and Z-Board Block Diagram

H
AV TERMINAL,
AV SWITCH
JK2601 MONITOR OUT
V
Q2610
V
MONITOR
L
L
OUT
R
R
G
V2
VIDEO2
C
Y
IN
G
C Y
Y-G
C-G
G
V
V
L
L
R
R
G
V1
VIDEO1 C
Y
IN
G
C Y
Y-G
C-G
G
V
V
L
L
R
R
G
COMPONENT2
COMPONENT2
Y
Y
IN
PB
Pb
PR
Pr
G
L
L
R
R
G
COMPONENT1 COMPONENT1
Y
Y
IN
PB
Pb
PR
Pr
G
L
L
R
R
G
WHITE L
JK2605
HDMI ANALOG
R
AUDIO IN RED
FOR
FACTORY USE H22
SCL0A 4 SCL0A
EEPROM IIC0
SDA0A 5 SDA0A
SCL1 6 SCL1
SUB DEVICE IIC1
SDA1 7 SDA1
SCL2 8 SCL2
IIC2
HIGH SPEED DEVICE
SDA2 9 SDA2
10 SCL0B
SCL0B
MAIN/PANEL IIC0B
SDA0B 11
SDA0B
SRQ
2
TO PA30 H30
+10Vs(W) 23 +10Vs(W)
+10Vs(W) 22
+10Vs(W) 21
12
MAIN 9V MAIN 9V
10
SUB 9V2 SUB 9V
SUB 9V2 8
SUB 5V 2 SUB 5V
TH-37/42/50PX50U
H, K, S and Z-Board Block Diagram
IC2602
VIDEO SW
VOUT1
MONITOR MAIN
51 VOUT3
COUT1 59
OUT OUT
PROUT1 58
C4
7
AV2
5 Y4
IN
3 V4
6 S4 VIDEO
IN
C3
1
AV1
Y3
79 TV (ANALOG)
IN
V3
77 IN
2 S3
45 SDA
SDA1
46 SCL
SCL1
27 CY2
COMPONENT2
29 PB2
IN
31
PR2
21 CY1
COMPONENT1
23 PB1
IN
25 PR1
Q2609
MUTE
Q2611 Q2612
MUTE
IC2605
AUDIO SW
L MONITOR TV (ANALOG)
29
OUT IN
30 R
3 L AV2
IN
4 R
7 L AV1
IN
8 R
MAIN
OUT
L
9 COMPONENT2
IN
10 R
12 L COMPONENT1
IN
13 R
HDMI
IN
41 L AUDIO
R IN
42
SCL1 32 SCL
SDA1 33 SDA
H2 TO DG2
60 11 MAIN_Y
13 MAIN_PB
MAIN_PR
15
MAIN_R
38
MAIN_L
40
V7 17 25 VIDEO_OUT
34 BS_Y(V)
BS_C
36
BS_SL
Y1 30
67
BS_SR
C1 32
69
3 HDMI_SL
1 HDMI_SR
STBY5V_M
H7
SUB5V
2 STBY5V_M
5 SUB5V
8
LED_R
12 REMOCON
7 KEYSCAN
11 KEYSCAN3
H1 TO DG1
1
STB 5V STB 5V
SDA0 3 SDA0
SCL0
4 SCL0
5 SP_SHORT
8 MONITOR_OUT_DEF
10 KEYSCAN
7 KEYSCAN3
11
RM_IN
15 LED_R
20 SRQ
21
SP_MUTE
22 MAIN_DEF
25 RESET
SDA1 27 SDA1
SCL1 28 SCL1
SDA2 30 SDA2
L SCL2 31 SCL2
1
R
2
SDA0B 33 SDA0B
SCL0B 34 SCL0B
SDAOA 36 SDAOA
SCL0A 37 SCL0A
39 SBO1
40 SBI1
L 25
R 26 FOR
FACTORY
H21
USE
5
SBI1
6 SBO1
SCL0
7 SCL0
L
18
SDA0 8 SDA0
R 19
H50
18 RESET
20
MAIN_DEF
21 SP_MUTE
23 SP_SHORT
1 IN1a OUT2a 8 Q2618 25 (MAIN_L)
30 23 Q2619 27
IN1b OUT2b (MAIN_R)
IC2608
+10Vs(S) 5 10Vs(S)
BBE VITA 6 10Vs(S)
7 10Vs(S)
STB 5V 11 STB 5V
13
MAIN 9V MAIN 9V
129
TH-37PX50U / TH-42PX50U / TH-50PX50U
K
REMOTE RECEIVER
KEYSCAN
RM2510
REMOTE RECEIVER
STBY5V
D2520
STBY5V_M
K1
POWER LED R
Q2519
2
ON/OFF
5
SW3752
8 Q2511
VOL.DOWN
12 Q2510
SW3753
7 VOL.UP
11 SW3754
CH.DN
SW3755
CH.UP
SW3751
TV/VTR
K2 2
S2 2
S1 TO SS34
1 STB_PS
3 STB_12V
SW2500
POWER SW
S
POWER SWITCH
Z
SPEAKER OUT AMPLIFIER
MAIN 9V
Q2300 Q2301 Q2314
Q2302 Q2315 Q2316 Q2317
IC2305
WOOFER AMP L
Z50
OUT P 15
18 5 SHUTDOWN
OUT P 14
16
1 INN
OUT N 11
15
MAIN 9V
24 Vcc
OUT N 10
13 Q2324 Q2323
SOS DET
IC2306
11 14 +IN-2 OUT-2 12
WOOFER AMP R
9 7 9
+IN1 OUT-1
OUT P 15
5 SHUTDOWN
10Vs(W)
IC2301 OUT P 14
31 10Vs(S)
1 INN
30
11
EQUALIZER OUT N
29 24 Vcc
OUT N 10
25 STB 5V
23
MAIN 9V
TH-37/42/50PX50U
H, K, S and Z-Board Block Diagram
STB 5V
TO
SPEAKERS
Z2
5 W_L-
4 W_L+
2 W_R-
1
W_R+