Ic Block Diagrams - Sony CMT-CP11 Service Manual

6-14. IC BLOCK DIAGRAMS

– MAIN Board –
IC101, 201 TDA7296
BIPOLAR
TRANSCONDACTANCE
INPUT STAGE
MOS GAIN &
–
LEVEL SHIFTING
+
1 2 3 4 5
IC301 TDA7439
30 29 28 27 26 25 24 23 22 21 20 19
IIC BUS
DECODER &
LATCH
VREF
SUPPLY
1 2 3 4
26
THERMAL
SHUTDOWN
MOS SHORT
OUTPUT
CIRCUIT
STAGE
STAGE PROTECTION
STANDBY/
MUTE
BOOST-
STRAP
6 7 8 9 10 11 12
18 17
VOLUME
TREBLE
MIDDLE
BASS
SPEAKER
ATTENUATOR
GAIN AMP
MULTIPLEXER
5 6 7 8 9 10
IC303 NJM3414AM-TE2
13 14 15
IC309 KA3082
16
VOLUME
TREBLE
MIDDLE
BASS
SPEAKER
ATTENUATOR
GAIN AMP
MULTIPLEXER
11 12 13 14 15
1 8
OUT1
1CH
7
–IN1 2
2CH
+IN1 6
3
VEE 4 5
DRIVER OUT
PRE DRIVER
LOGIC
TSD
SWITCH
1 2 3 4 5 6 7
VCC
OUT2
–IN2
+IN2
8 9 10