Panasonic TH37PX50U - 37" HD PLASMA TV, Service Manual

Page: 129 / 316

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