Panasonic SA-AK180PU Руководство по эксплуатации - Страница 8

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2.5.

D-AMP for (SA-AK280PR)

With reference to original service manual (section 15.4) on page 88 for Model No. SA-AK280PR-K
: AUDIO OUTPUT SIGNAL LINE
CN2341A
CN5050
FRONT R
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
CN2341A
CN5050
FHOP
14
4
FROM/TO
MAIN (1/2)
CN5050
CN2341A
DC DET
16
2
Q5604
Q5603
SWITCH
SWITCH
Q5601
SWITCH
IC5500
C0JBAB000902
INVERTER GATE
(CLOCK GENERATOR)
D5501
11
10
8
1
2
3
4
5
6
9
14
X5501
X5500
FAN DC
D5502
CHANGE
- 30V SENSE
IC5000
C1BA00000487 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
MODE
23
VOLTAGE PROTECTION
TH5001
19
SGND2
MUTE
IN2P
22
INPUT
PWM
STAGE
MODULATOR
IN2M
21
DELETE
(IC5501)
Q5101,Q5102
8
+ 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
OUT2
SWITCH2
AND
FL +
14
HANDSHAKE
DRIVER
RELEASE2
LOW
11
13
- 30V SENSE
DC DETECT
SA-AK280PR D-AMP BLOCK DIAGRAM
SPEAKERS
FRONT R
JK5001
+
1
JK5001
-
2
FRONT L
JK5001
+
3
JK5001
-
4