K, S And Z-Board Block Diagram - Panasonic TH-42PA50E Service Manual

14.14. K, S and Z-Board Block Diagram

Z
SOUND CONTROL/SP AMP
9VS(s)
TO H50
Z50
9VS(s)
35
9VS(s)
34
10VS(w) 31
10VS(w)
30
STB 5V
10VS(w)
29
STB 5V
25
MAIN 9V
23
SCL1
21
SDA1
19
L_IN 11
R_IN
9
MAIN_DEF
16
SP_MUTE
15
RESET
18
SOUND_SOS
13
(SP_SHORT)
MON SOUND_DEF
17
TH-37/42PA50E, TH-37/42PE50B
K,S and Z-Board Block Diagram
STB 5V
MAIN 9V
Q2302
Q2300 Q2301
MUTE CCT
SOS
Q2324 Q2323
IC2300
SOUND CONTROL
30 SCL
31 SDA
1
L IN L OUT
2 R IN R OUT
Q2314
Q2315 Q2316 Q2317
MUTE SW
MAIN 9V
10VS(w)
IC2302
AUDIO AMP
6
5
2
3
25
24
STB 5V
10VS(w)
24
1
5
7
24
1 1
5
80