Panasonic SA-HT640WPL Service Manual page 7

Dvd home theater sound system
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IC5000
C1AA00000755
AUDIO DIGITAL POWER AMP
3
IN1M
INPUT
FRONT L
IN1P
STAGE
2
MUTE
5
SGND1
OSC
1
OSC
23
MODE
MODE 2
MODE
19
SGND2
MUTE
FRONT R
22
IN2P
INPUT
STAGE
21
IN2M
Q2911-2914
MODE 1
MUTING
MODE 2
68
66
64
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-B
+B
+B
12
7
16
RELEASE1
DRIVER
PWM
HIGH
SWITCH1
MODULATOR
CONTROL
AND
ENABLE1
HANDSHAKE
DRIVER
LOW
STABI
TEMPERATURE SENSOR
OSCILLATOR
MANAGER
CURRENT PROTECTION
VOLTAGE PROTECTION
ENABLE2
DRIVER
HIGH
CONTROL
SWITCH2
AND
HANDSHAKE
PWM
DRIVER
RELEASE2
MODULATOR
LOW
11
-B
-B
IC5200
C1AA00000755
AUDIO DIGITAL POWER AMP
8
BOOT1
9
CENTER
3
IN1M
INPUT
2
IN1P
STAGE
FRONT R+
OUT1
10
MUTE
5
SGND1
OSC
OSC
1
OSCILLATOR
MODE 1
23
MODE
MODE
BOOT2
15
19
SGND2
MUTE
FRONT L+
OUT2
14
22
IN2P
INPUT
STAGE
21
IN2M
13
IC5300
C1AA00000755
AUDIO DIGITAL POWER AMP
SUBWOOFER
3
IN1M
INPUT
STAGE
2
IN1P
MUTE
5
SGND1
OSC
OSC
1
OSCILLATOR
23
MODE 2
MODE
MODE
19
SGND2
MUTE
22
IN2P
INPUT
STAGE
21
IN2M
IC2001
MN101C49GHG
SYSTEM CONTROL
7
-B
+B
+B
16
8
12
7
BOOT1
9
RELEASE1
DRIVER
PWM
HIGH
MODULATOR
SWITCH1
CONTROL
10
OUT1
AND
ENABLE1
HANDSHAKE
DRIVER
LOW
STABI
TEMPERATURE SENSOR
MANAGER
CURRENT PROTECTION
VOLTAGE PROTECTION
BOOT2
15
ENABLE2
DRIVER
HIGH
CONTROL
OUT2
14
SWITCH2
AND
HANDSHAKE
PWM
DRIVER
RELEASE2
MODULATOR
LOW
11
13
-B
-B
-B
+B
+B
12
7
16
8
9
BOOT1
RELEASE1
DRIVER
PWM
HIGH
MODULATOR
SWITCH1
CONTROL
10
AND
OUT1
HANDSHAKE
ENABLE1
DRIVER
LOW
STABI
TEMPERATURE SENSOR
MANAGER
CURRENT PROTECTION
VOLTAGE PROTECTION
BOOT2
15
ENABLE2
DRIVER
HIGH
CONTROL
OUT2
14
SWITCH2
AND
HANDSHAKE
PWM
DRIVER
RELEASE2
MODULATOR
LOW
13
11
-B
-B
SA-HT640WPL BLOCK DIAGRAM
SA-HT6
CENTER -
CENTER +
SUBWOOFER -
SUBWOOFER +

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