Sony HCD-GRX20 - Page 33

33
— MAIN BOARD —
IC103 LC72131
PHASE
DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16, 1/17 4BITS
12BITS
PROGRAMMABLE
DRIVER
UNIVERSAL
COUNTER
REFERENCE
DIVIDER
POWER
ON
RESET
1/2
CCB
INTERFACE
1
2
3
4
5
6
7
8
9
16
15
14
13
12
11
10
17
18
1920
XOUT
VSS AOUT AIN
PD
VDD FMIN
AMIN
XIN
DO
CL
DI
CE
IFIN
IO1
BO4
BO3
BO2
BO1
IO2
UNLOCK
DETECTOR
DATA SHIFT REGISTER LATCH
IC201 TA8189N
CH2/A CH2/B NF VCC CG NF ALC
METAL
OUT
PRE
OUT
TAPE A
/TAPE B
REC
OUT
REC
IN
CH1/A CH1/B NF GND1 M/H NF
CH2
CH2
ALC
M/N
CH1
GNDGND
CH1
+
–
+
–
+
–
+
–
A/B
GNDMETAL
OUT
PRE
OUT
MIX
OUT
REC
OUT
REC
IN
IREF
VREF2
VREF1
24 23 22 21 20 19 18 17
16
15 14 13
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