Sony CDX-C8850 Service Manual page 59

QQ
3 7 63 1515 0
IC151 TDA7427ADTR
28
11 BIT
PROGRAMMABLE
COUNTER
CHARGE
PUMP
SWITCH
LP1/LP2
TE
L 13942296513
1 2 3 4
IC551 LC89170M-TLM
EXCK 1
2
SBSO
32 WORD X 8 BIT
DUAL PORT RAM
3
SCOR
WFCK 4
MCK 5
XMODE 6
GND 7
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SWITCH
SWM/DIR
COUNTER
5 BIT
SWITCH
PROGRAMMABLE
SWM/DIR
COUNTER
SWITCH
OUT
16 BIT
PROGRAMMABLE
INLOCK
COUNTER
DETECTOR
PHASE
COM-
PARATOR
PORT
EXTENSION
5 6
VDD
CPU INTERFACE
CRC
CHECKER
TIMING
&
SYNCHRONIZATION
SIGNAL
PROTECTION
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8
27 26 25 24
PRE
FM/AM
SWITCH
TIMER
14 BIT
PROGRAMMABLE
COUNTER
TEST
LOGIC
REFERENCE
OSCILLATOR
Q Q
3 6 7 1 3
7 8 9 10 11
BUS ON
14 VDD
13 DQSY
BATT
12 SRDT
11 SCLK
VREF
DATA
10 SW2
GND
9 SW1
8 TEST
u163
.
2 9 9 4 2 8
23 22 21 20 19 18 17 16
SUPPLY &
POWER ON RESET
CONTROL
11 – 21 BIT
PROGRAMMABLE
SWITCH
COUNTER
IIC BUS
INTERFACE
1 5 0 5 8 2 9 9 4
12 13
IC271 BA8270FV-E2
BUS ON
14 VCC
1
SWITCH
RESET
2 13
RST RST
SWITCH
12 BUS ON
11 CLK IN
BATTERY
3 10 BU IN
SWITCH
4
CLK
5
6 9 DATA IN
7 8 DATA OUT
IC352 TC7SET08FU (TE85L)
m
5 VCC
IN B 1
co
4 OUT Y
IN A 2
GND 3
9 9
15
FM/AM
2 8 9 9
14
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