Panasonic SA-HT855E Service Manual page 65

IC5000
C1BA00000407
AUDIO DIGITAL POWER AMP
FRONT L
3 IN1M
2 IN1P
IC2103
C0AABB000125
HEADPHONE AMP
(6)2 5 SGND1
- 7(1)
(5)3
+
OSC 1 OSC
4 8
-B +B MODE 2 23 MODE
MODE
Q2201 19 SGND2
Q2101
MUTING
MUTING
CONTROL
22 IN2P
FRONT R
21 IN2M
IC5400
C1BA00000407
AUDIO DIGITAL POWER AMP
IN1M
3
SURROUND L 2 IN1P
5 SGND1
OSC
OSC
1
23
MODE 1 MODE
MODE
19 SGND2
SURROUND R 22
IN2P
Q5601-5604
21 IN2M
MODE 1
MUTING
MODE 2
78 68 69 71
-B
12 7
RELEASE1
DRIVER
INPUT PWM
HIGH
SWITCH1
STAGE MODULATOR
CONTROL
AND
ENABLE1
HANDSHAKE
DRIVER
MUTE
LOW
STABI
TEMPERATURE SENSOR
OSCILLATOR
MANAGER
CURRENT PROTECTION
VOLTAGE PROTECTION
ENABLE2 DRIVER
MUTE
HIGH
CONTROL
SWITCH2
AND
HANDSHAKE
INPUT PWM
DRIVER
RELEASE2
STAGE MODULATOR
LOW
-B
12 7
RELEASE1
DRIVER
PWM
INPUT
HIGH
MODULATOR SWITCH1 CONTROL
STAGE
AND
HANDSHAKE
ENABLE1
DRIVER
MUTE
LOW
STABI
TEMPERATURE SENSOR
OSCILLATOR MANAGER
CURRENT PROTECTION
VOLTAGE PROTECTION
ENABLE2
DRIVER
MUTE
HIGH
CONTROL
SWITCH2 AND
HANDSHAKE
INPUT
PWM DRIVER
STAGE
RELEASE2
MODULATOR LOW
IC5200
+B +B
C1BA00000407
AUDIO DIGITAL POWER AMP
16 8
9
BOOT1
CENTER 3 IN1M
INPUT
2 IN1P STAGE
FRONT R+
10
OUT1
MUTE
5 SGND1
OSC
1 OSC
23
MODE 1 MODE
MODE
BOOT2 15
19
SGND2
MUTE
FRONT L+
OUT2 14 22
IN2P
INPUT
STAGE
21 IN2M
11 13
-B -B
IC5300
+B +B
C1BA00000407
AUDIO DIGITAL POWER AMP
16 8
BOOT1 9
SUBWOOFER
3 IN1M
INPUT
SURROUND L+ STAGE
2 IN1P
OUT1 10
MUTE
5 SGND1
OSC 1 OSC
23
MODE 2 MODE
MODE
BOOT2 15
19
SGND2
MUTE
SURROUND R+
22
OUT2 14 IN2P
INPUT
STAGE
21
IN2M
11 13
-B -B
IC2018
C2CBYY000195
SYSTEM CONTROL
65
-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
-B
+B +B
12 7 16
RELEASE1
DRIVER
PWM
HIGH
MODULATOR SWITCH1 CONTROL
AND
HANDSHAKE
ENABLE1
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
SA-HT855E/EB/EG BLOCK DIAGRAM
SA-HT855E / SA-HT855EB / SA-HT855EG
+B
8
BOOT1 9
OUT1 10 CENTER -
BOOT2 15
OUT2 14 CENTER +
13
8
BOOT1 9
OUT1 10 SUBWOOFER -
BOOT2 15
SUBWOOFER +
OUT2 14
13