D-Amp - Panasonic SA-AK180PN Service Manual

13.4. D-Amp

: AUDIO OUTPUT SIGNAL LINE
FRONT R
CN2341A CN5050
FROM MAIN (2/2)
3 15
CN2341A CN5050 MOD DA
17 1
FROM
MAIN (1/2)
CN2341A CN5050 MUTE F SW
13 5
CN2341A CN5050 FRONT L
FROM MAIN (2/2)
1 17
CN5050 FHOP
CN2341A
14 4
FROM/TO
MAIN (1/2)
CN2341A CN5050 DC DET
16 2
Q5604 Q5603
SWITCH SWITCH
Q5601
SWITCH
IC5500
C0JBAB000902
INVERTER GATE
(CLOCK GENERATOR)
D5501
10
1 2 3 4 5 6 11 9 8
14
X5501 X5500
FAN DC
D5502
- 30V SENSE
IC5000
C1BA00000492
AUDIO DIGITAL POWER AMP
12 7
IN1M
3
INPUT PWM
MODULATOR
IN1P STAGE
2
MUTE
5 SGND1
STABI
OSC
1
TEMPERATURE SENSOR
OSCILLATOR MANAGER
MODE
CURRENT PROTECTION
23 MODE
VOLTAGE PROTECTION
TH5001
19 SGND2
MUTE
IN2P
22
INPUT PWM
STAGE MODULATOR
IN2M
21
Q5101,Q5102
68
+ 30V SENSE
16 8
BOOT1
9
RELEASE1
DRIVER
HIGH
SWITCH1
CONTROL
OUT1
FR +
AND
10
ENABLE1
HANDSHAKE
DRIVER
LOW
BOOT2
15
ENABLE2
DRIVER
HIGH
CONTROL
SWITCH2 AND OUT2 FL +
14
HANDSHAKE
DRIVER
RELEASE2
LOW
13
11
- 30V SENSE
DC DETECT
SA-AK180PN/PU D-AMP BLOCK DIAGRAM
SPEAKERS
FRONT R
JK5001
+
1
JK5001
-
2
FRONT L
JK5001
+
3
JK5001
-
4