Panasonic PSG1303053SE, Service Manual

Page: 46 / 99

46
SA-AKX56PH/PN AUDIO (2/2) BLOCK DIAGRAM
P1
1
VALID
TO AUDIO
BLOCK (1/2)
-
+
-
+
-
+
-
+
FROM/TO
SERVO & SYSTEM CONTROL
MAIN P.C.B.
: TUNER/MUSIC PORT/AUX AUDIO INPUT SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE : CD AUDIO INPUT SIGNAL LINE : FM SIGNAL LINE : AM SIGNAL LINE
Q2631,Q2632
Q2633,Q2634
DIGITAL AMPLIFIER
C1AB00003986
IC2502
DIGITAL AMPLIFIER
C1AB00003986
IC2503
/CLIP
/OTW
/FAULT
INPUT C
INPUT D
/RST
INPUT A
INPUT B
OUT A
BST A
OUT B
BST B
OUT A
OUT D
BST D
OUT C
BST C
OUT D
/CLIP
/OTW
/FAULT
INPUT C
INPUT D
/RST
INPUT A
INPUT B
OUT A
BST A
OUT B
BST B
OUT A
OUT D
BST D
OUT C
BST C
OUT D
DC DETECT
CIRCUIT
+36V
18
17
16
14
15
4
5
6
39
40
44
35
43
28
27
23
32
24
18
17
16
14
15
4
5
6
39
40
44
35
43
28
27
23
32
24
DAMP FAULT
DAMP CLIP
DC DET AMP
DAMP OTW
DAMP FAULT
DAMP OTW
DAMP CLIP
DC DET AMP
FR+ HI
FR- HI
FR+ LO
FR- LO
FL+ HI
FL- HI
FL+ LO
FL- LO
RIGHT
HIGH
4
JK2502
3
JK2502
RIGHT
LOW
2
JK2502
1
JK2502
LEFT
HIGH
8
JK2502
7
JK2502
LEFT
LOW
6
JK2502
5
JK2502
SPEAKERS