Panasonic SA-HT640WPL Service Manual page 65

IC5000
C1BA00000407
AUDIO DIGITAL POWER AMP
3 IN1M
INPUT
FRONT L STAGE
2 IN1P
MUTE
5 SGND1
OSC
1 OSC
23
MODE 2 MODE
MODE
19 SGND2
MUTE
FRONT R 22
IN2P
INPUT
STAGE
21 IN2M
Q2911-2914
MODE 1
MUTING MODE 2
68 66 64
-B
+B +B
12 7 16
RELEASE1
DRIVER
PWM
HIGH
MODULATOR SWITCH1
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
C1BA00000407
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
C1BA00000407
AUDIO DIGITAL POWER AMP
SUBWOOFER
3 IN1M
INPUT
STAGE
2 IN1P
MUTE
5 SGND1
OSC 1 OSC
OSCILLATOR
23
MODE 2 MODE
MODE
19
SGND2
MUTE
22
IN2P
INPUT
STAGE
21 IN2M
IC2001
MN101C49GHG
SYSTEM CONTROL
65
-B
+B +B
16 8
12 7
BOOT1 9
RELEASE1
DRIVER
PWM
HIGH
SWITCH1
MODULATOR
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
13
11
-B -B
-B
+B +B
12 7 16 8
BOOT1 9
RELEASE1
DRIVER
PWM
HIGH
MODULATOR SWITCH1 CONTROL
OUT1 10
AND
HANDSHAKE
ENABLE1
DRIVER
LOW
STABI
TEMPERATURE SENSOR
MANAGER
CURRENT PROTECTION
VOLTAGE PROTECTION
BOOT2 15
ENABLE2 DRIVER
HIGH
CONTROL
14
SWITCH2 OUT2
AND
HANDSHAKE
PWM DRIVER
RELEASE2
MODULATOR
LOW
11 13
-B -B
SA-HT640WPL BLOCK DIAGRAM
SA-HT640WPL
CENTER -
CENTER +
SUBWOOFER -
SUBWOOFER +