D-Amp - Panasonic SA-VK680PU Service Manual

15.7. D-Amp

: AUDIO OUTPUT SIGNAL LINE
IC5000
C1BA00000492
AUDIO DIGITAL POWER AMP
IN1M
3
INPUT
IN1P STAGE
CN2808 CN5050 FRONT R
2
3 15
MUTE
5 SGND1
OSC
1
FROM AUDIO
MODE
23 MODE
19
SGND2
MUTE
FRONT L IN2M
CN2808 CN5050
21
1 17
INPUT
STAGE
IN2P
22
Q5601,
Q5603,Q5604
MODE 1
MUTING
CN2808 CN5050 MUTE F SW
MODE 2
FROM 13 5 CIRCUIT
SYSTEM CONTROL CN2808 CN5050 MOD DA
17 1
5V
<SW+5V>
CN2808 CN5050 SUBWOOFER
FROM AUDIO
5 13
CN2808 CN5050 FHOP
14 4
FROM/TO
SYSTEM CONTROL
CN2808 CN5050 DC DET
16 2
+ 30V SENSE
- 30V SENSE
12 7 16 8
BOOT1
RELEASE1
DRIVER
PWM
HIGH
MODULATOR SWITCH1
CONTROL
OUT1
AND
ENABLE1
HANDSHAKE
DRIVER
LOW
STABI
TEMPERATURE SENSOR
OSCILLATOR
MANAGER
CURRENT PROTECTION
VOLTAGE PROTECTION
BOOT2
ENABLE2
DRIVER
HIGH
CONTROL
SWITCH2 OUT2
AND
HANDSHAKE
PWM
DRIVER
RELEASE2
MODULATOR
LOW
13
11
- 30V SENSE
IC5500
C0JBAB000902
HEX INVERTER
(CLOCK GENERATOR)
D5501
1 2 3 4 5 6 11 10 9 8
12
13
14
X5501 X5500
FAN DC
D5502
- 30V SENSE
IC5200
C1BA00000492
AUDIO DIGITAL POWER AMP
9
FR +
10 IN1M
3
INPUT PWM
MODULATOR
SUBWOOFER IN1P STAGE
2
MUTE
SGND1
5
OSC
1
15
OSCILLATOR MANAGER
MODE
MODE 1
23 MODE
FL +
14 19 SGND2
MUTE
IN2P
22
INPUT PWM
STAGE MODULATOR
IN2M
21
115
+ 30V SENSE
FL +
12 7 16 8
BOOT1
9
RELEASE1
DRIVER
HIGH
FR +
SWITCH1
CONTROL
OUT1
AND
10
ENABLE1
HANDSHAKE
DRIVER
LOW
STABI
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
BOOT2
15
ENABLE2
DRIVER
HIGH
CONTROL
SWITCH2 AND OUT2
14
HANDSHAKE
DRIVER
RELEASE2
LOW
SW +
SW -
13
11
- 30V SENSE
SPEAKERS
FRONT L
JK5001
+
6
JK5001
-
5
FRONT R
JK5001
+
8
JK5001
-
7
SUBWOOFER
JK5001
+
10
JK5001
-
9
Q5101,Q5102
DC DETECT
SA-VK680PU D-AMP BLOCK DIAGRAM