Panasonic SA-AKX74PH Service Manual page 76

: CD AUDIO INPUT SIGNAL LINE : AUX/TUNER/MUSIC PORT/MIC AUDIO INPUT SIGNAL LINE
FR L TWEETER
1
FR L WOOFER
2
MUTE F
MUTE F
MOD DA
MODE DA
DC DET AMP
FROM/TO DC DET AMP
SERVO & SYSTEM CONTROL
F HOP
F HOP
FR R TWEETER
3
FR R WOOFER
4
TO AUDIO
BLOCK (1/2)
SUBWOOFER SUBWOOFER
5
FHOP
MOD DA
MUTE F
DC DET
: AUDIO OUTPUT SIGNAL LINE : AM SIGNAL LINE
MAIN P.C.B.
IC5800
C1BA00000497
AUDIO DIGITAL
AMPLIFIER
2 IN1+ BOOT1 9
21 IN2- OUT1 10
Q5600,Q5601,Q5602 15
1 OSC BOOT2
MODE
SELECTION 23 MODE OUT2 14
CIRCUIT
Q5603,Q5604
SPEAKER
PROTECTION
SWITCH
23 MODE OUT1 10
CLOCK
GENERATOR 1 OSC BOOT1 9
CIRCUIT
IC5600
C0JBAB000902
HEX INVERTER
X5601,X5602
2 IN1+ OUT2 14
21 IN2- BOOT2 15
IC5700
C1BA00000497
AUDIO DIGITAL
AMPLIFIER
IC5900
C1BA00000497
AUDIO DIGITAL
AMPLIFIER
CN2011 CN5902 SUBWOOFER
2 IN1+ BOOT1 9
1 9
21 IN2- OUT1 10
Q5901,QR5900,QR5901
FREQUENCY
CN2011 CN5902 FHOP
HOPPING
1 OSC
5 5 CONTROL
CIRCUIT
Q5902,Q5903,Q5905 15
BOOT2
CN2011 CN5902 MOD DA
MODE
7 3
SELECTION 23 MODE OUT2 14
CN2011 CN5902 MUTE F
CIRCUIT
4 6
TH5900
Q5906,Q5907
SPEAKER
CN2011 CN5902 DC DET
PROTECTION
6 4
SWITCH
: FM SIGNAL LINE
SPEAKERS
JK5601
+
FRONT(LEFT)
5
JK5601
- HIGH
6
JK5601
- FRONT(LEFT)
8
JK5601 LOW
+
7
JK5601
+
FRONT(RIGHT)
1
JK5601
- HIGH
2
JK5601
- FRONT(RIGHT)
4
JK5601 LOW
+
3
D-AMP P.C.B.
JK5901
-
2
SUBWOOFER
JK5901
+
1
76
SA-AKX74PH/PN AUDIO (2/2) BLOCK DIAGRAM