Main Board - Sony HCD-MD1EX - System Service Manual

IC153 LB1830M-S-TE-L
IN2 IN1 VM VREF
10 9 8 7
VREF
LOGIC
PREDRIVER
1 2 3 4
VCC OUT2 GND OUT1 VS
– MAIN Board –
IC702 LB1641
T.S.D
MOTOR
DRIVE
1 2 3 4
VCONT
6
5
FWD/REV/STOP
CONTROL LOGIC
5 6 7 8
IC201 AK4520A-VF-E2
28 27 26 25 24 23
LPF
MODULATOR
LPF
MODULATOR
MODULATOR
MODULATOR
1 2 3 4 5 6
O.C.P
MOTOR
DRIVE
9 10
– 84 –
22 21 20 19 18 17
8
INTERPOLATOR
8
INTERPOLATOR
COMMON SERIAL I/O
VOLTAGE INTERFACE
DECIMATION
FILTER
DECIMATION
FILTER
7 8 9 10
IC706 M62016L
COM
+
INTERRUPT SIGNAL
– GENERATING BLOCK
COM
+
RESET SIGNAL
– GENERATING BLOCK
1 2 3
GND INT RESET
16 15
CLOCK
DIVIDER
11 12 13 14
4 5
CD VCC