Panasonic SC-UA3E, Service Manual

Page: 35 / 74

35
10.3. Audio (2/2)
TO AUDIO
BLOCK (1/2)
SC-UA3E/GN/PR/PU AUDIO (2/2) BLOCK DIAGRAM
-
+
-
+
-
+
-
+
42 XO
41 XI
X6500
-
+
3
2
1
7
8
5
4
JK1401
MIC P.C.B.(FOR E/PR/PU)
: CD SIGNAL LINE : TUNER/AUX SIGNAL LINE
: OUTPUT SIGNAL LINE
7
SOC
IC2001
DSP
IC6500
DIGITAL AMPLIFIER
IC6000
MIC AMPLIFIER
IC1400
IN BUFFOUT
81 DSP SDO0
RST N DSP RESET
LEFT
TWEETER
1
CN3501
2
CN3501
LEFT
WOOFER
RIGHT
TWEETER
3
CN3501
4
CN3501
RIGHT
WOOFER
SPEAKERS
Q6001,Q6002,
Q6007,Q6300
DC DETECT
CIRCUIT
DC DET AMP FAN TO SYSTEM CONTROL
109
DSP MUTE 108
MIC IN
2
SMUTE 3
28 PWM1A INPUT A 5
27 PWM1B
44 BST A
40 OUT A
27 OUT D
39 OUT A
32 OUT C
24 BST C
28 OUT D
16 /FAULT
17 /OTW
23 BST D
43 BST B
35 OUT B
INPUT B 6
30 PWM2A INPUT C
14
29 PWM2B
INPUT D
15
24 VALID /RESET 4
SDIN1 8
LEFT
TWEETER
-
+
RIGHT
TWEETER
84 DSP SDO1
SDIN3
6
MIC 1
JK1403
41
7
MIC AMPLIFIER
IC1401
BUFFOUT
MIC 2
3
2
1
7
8
5
4
IN
14
14
MIC DET
40
2
P1802
2
CN1401
4
P1802
4
CN1401
MIC IN
MIC DET
MIC IN
MIC DET
MIC IN
FRONT L-
FRONT L+
FRONT R-
FRONT R+
FOR E/PR/PU