Sony CDX-C8850 Service Manual page 59

IC151 TDA7427ADTR
28
11 BIT
PROGRAMMABLE
COUNTER
SWITCH
OUT
INLOCK
DETECTOR
PHASE
CHARGE
COM-
PUMP
PARATOR
SWITCH
LP1/LP2
1 2 3 4
IC551 LC89170M-TLM
EXCK 1
CPU INTERFACE
2
SBSO
32 WORD X 8 BIT
DUAL PORT RAM
3
SCOR
WFCK 4
MCK 5 TIMING
SYNCHRONIZATION
XMODE 6 SIGNAL
PROTECTION
GND 7
SWITCH
PRE
SWM/DIR
COUNTER
SWITCH
5 BIT
SWITCH
PROGRAMMABLE
SWM/DIR
COUNTER
16 BIT
PROGRAMMABLE
COUNTER
TEST
LOGIC
PORT
EXTENSION
5 6 7 8
VDD
14 VDD
13 DQSY
CRC
CHECKER
12 SRDT
11 SCLK
10 SW2
&
9 SW1
8 TEST
27 26 25 24 23 22
SUPPLY &
POWER ON RESET
FM/AM
CONTROL
TIMER
11 – 21 BIT
14 BIT
PROGRAMMABLE
PROGRAMMABLE
COUNTER
COUNTER
REFERENCE
OSCILLATOR
9 10 11
IC271 BA8270FV-E2
BUS ON
1
2
RST
BATT 3
4
CLK
5
VREF
DATA 6
GND 7
IC352 TC7SET08FU (TE85L)
IN B 1
IN A 2
GND 3
21 20 19 18 17 16 15
FM/AM
SWITCH
IIC BUS
INTERFACE
12 13 14
BUS ON
14 VCC
SWITCH
RESET
13
RST
SWITCH
12 BUS ON
CLK IN
11
BATTERY
10 BU IN
SWITCH
9 DATA IN
8 DATA OUT
5 VCC
4 OUT Y
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