Sony MHC-DX90 Service Manual page 50

HCD-DX90
IC601 BA1450 (MAIN BOARD)
24 23 22
AM
OSC
VREG
FM
IF
SD
DET
1 2 3
IC302 µPC1330H (MAIN BOARD)
2
1 3 4
SW R1 GND SW P1 CONT
IC651 LC72130 (MAIN BOARD)
24 23 22 21
REFERENCE
DIVIDER
2
C B
I / F
1 3 4
2
44
21 20 19 18
AM IF
AM
MIX
AM
DET
FM LED
DRIVER
DET
4 5 6 7
INVERTER
COMPARATER
5 6 7 8
GND VCC SW P2 GND SW R2
20 19 18 17 16
SWALLOW COUNTER
1/16.1/17 4bits
REFERENCE
DIVIDER
SWALLOW COUNTER
1/16.1/17 4bits
PHASE DETECTOR
CHARGE PUMP
DATA SHIFT REGISTER
LATCH
5 6 7 8
17 16 15 14
AGC
SW
DECODER
COMP
8 9 10 11
9
15 14 13
POWER
ON 1/2
RESET
C B
I / F
9 10 11 12
13
SD
1/2
1/2
PD
VCO
12