Ic Block Diagrams - Sony HCD-CP500MD Service Manual

7-19.

IC BLOCK DIAGRAMS

IC101, 201 TDA7296
BIPOLAR
TRANSCONDACTANCE
INPUT STAGE
MOS GAIN &
–
LEVEL SHIFTING
+
1 2 3 4 5
IC308 M62016L
COM
+
INTERRUPT SIGNAL
– GENERATING BLOCK
COM
+
RESET SIGNAL
– GENERATING BLOCK
1 2 3
GND INT RESET
THERMAL
SHUTDOWN
MOS SHORT
OUTPUT CIRCUIT
STAGE STAGE PROTECTION
STANDBY/
MUTE
BOOST-
STRAP
6 7 8 9 10 11 12
4 5
CD VCC
IC401 TA8189N
METAL PRE
CH2/A CH2/B NF
OUT OUT
24 23 22 21 20
CH2
–
+
CH1
+
–
1 2 3 4 5
CH1/A CH1/B NF METAL PRE
OUT OUT
IC307 KA3082
1 2 3
13 14 15
IC309 BU1924F
16 15 14
ANTI-ALIASING
FILTER
PLL
57kHz
1187.5Hz
RDS/ARI
1 2 3
TAPE A REC
VCC CG NF
/TAPE B OUT
16
19 18 17 15
–
+
CH2
A/B
VREF1 IREF
VREF2
M/N
CH1
+
–
GND
6 7 8 9 10
MIX GND1 M/H REC NF
OUT OUT
HCD-CP500K/CP500MD
DRIVER OUT
PRE DRIVER
LOGIC
TSD
SWITCH
4 5 6 7
13 12 11 10
DIGITAL
TEST
CLOCK
8TH SWITCHED
CAPACITOR FILTER
COMPARATOR
PLL BI-PHASE DIFFERENTIAL
DECODER DECODER
ANALOG
4 5 6 7
REC
ALC
IN
14 13
ALC
GND
11 12
REC GND
IN
8 9 10
9
8
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