Panasonic TH-42PM50U Service Manual page 134

60
OUT1
OUT1 59
OUT1 58
L
25
R
26
L 18
R 19
1 8
IN1a OUT2a
30 IN1b OUT2b 23
IC2608
BBE VIVA
69
H2
TO DG2
11 MAIN_Y
MAIN_PB
13
MAIN_PR
15
3 HDMI_SL
1 HDMI_SR
K
STBY5V_M
STBY5V_M
H7 K1
SUB5V
2 STBY5V_M 2
5 SUB5V 5
8 8
LED_R
12 REMOCON 12
7 KEYSCAN 7
11 11
KEYSCAN3
H1
TO DG1
1
STB 5V STB 5V
SDA0 3 SDA0
SCL0
4 SCL0
5
SP_SHORT
K2
8 MONITOR_OUT_DEF
10 KEYSCAN
7
KEYSCAN3
11 RM_IN
S2
15 LED_R
20
SRQ
21 SP_MUTE
22 MAIN_DEF
25
RESET
SDA1 27 SDA1
SCL1 28 SCL1
30
SDA2 SDA2
SCL2 31 SCL2
SDA0B SDA0B
33
S POWER SWITCH
SCL0B SCL0B
34
36
SDAOA SDAOA
SCL0A 37 SCL0A
H50 Z50
18 18
RESET
20 MAIN_DEF 16
21 SP_MUTE 15
23 13
SP_SHORT
Q2618
25 11
(MAIN_L)
Q2619
27 (MAIN_R) 9
+10Vs(S)
5 10Vs(S) 31
6 10Vs(S) 30
7 10Vs(S) 29
STB 5V 11 25
STB 5V STB 5V
MAIN 9V
13 MAIN 9V 23 MAIN 9V
REMOTE RECEIVER
KEYSCAN
RM2510
REMOTE RECEIVER
STBY5V
D2520
POWER LED R
Q2519
ON/OFF
SW3752
Q2511
VOL.DOWN
Q2510
SW3753
VOL.UP
SW3754
SW3755
SW3751
TV/VTR
2
2
S1 TO SS34
1 STB_PS
3
STB_12V
SW2500
POWER SW
Z SPEAKER OUT AMPLIFIER
Q2300 Q2301 Q2314
Q2302 Q2315
MAIN 9V
Q2324 Q2323
SOS DET
14 12
+IN-2 OUT-2
7 +IN1 OUT-1 9
10Vs(W)
IC2301
10Vs(S)
EQUALIZER
CH.DN
CH.UP
MAIN 9V
STB 5V
Q2316 Q2317
IC2305
WOOFER AMP L
Z2
OUT P 15
5
SHUTDOWN
14 5
OUT P
1 INN
OUT N 11 4
24 Vcc
10
OUT N
IC2306
WOOFER AMP R
OUT P 15
5
SHUTDOWN
14 2
OUT P
1 INN
OUT N 11 1
24 Vcc
10
OUT N
TH-42PM50U
H, K, S and Z-Board Block Diagram
TO
SPEAKERS
W_L-
W_L+
W_R-
W_R+