Sony CDX-3900R Service Manual page 37

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• IC Block Diagrams
IC1 CXA2596M
APC PD AMP
HOLD
1
AGCVTH
2
VEE
LD
3
PD
4
A
5
B 6
C
7
D
8
VEE 9 VEE
TE
L 13942296513
+
VC
–
F
10
E –
11
+
VC
VC BUFFER
VC 12
VC
IC51 SAA6588T-V2-118
20
MULTI
PATH
DETECTOR
CLOCKED
COMPARATOR
RDS/RDBS
www
DEMODULATOR
TEST
CONTROL
.
1 2 3
http://www.xiaoyu163.com
+
–
VCC
VEE
+
+
–
–
VC
+
–
+
–
+
–
VEE
+
VC VC
–
RF SUMMING AMP
VC
ERROR AMP
VC
VC
VCC
+
VEE
–
19 18 17 16
57kHz
8th ORDER
BAND-PASS FILTER
SIGNAL QUALITY
DECODER
4
CLOCK
RDS/RDBS INTERFACE
DECODER REGISTER
x ao
DATA
y
OSCILLATOR
& CLOCK
i
4 5 6 7 8
http://www.xiaoyu163.com
8
VCC VCC
24
+
–
23 LC/PD
APC LD AMP
22 LD ON
VCC
21 HOLD SW
20 AGCCONT
+
–
19 RF BOT
VC
18 RFTC
+
–
17 RF I
RF EQ AMP
16 RFO
FOCUS
Q Q
+
3 6 7 1 3
–
15 RFE
14 FE
–
+
13 TE
TRACKING
ERROR AMP
VC
15 14 13 12 11
POWER SUPPLY PAUSE
& RESET DETECTOR
5
4
CLOCK
DATA
u163
IIC BUS SLAVE
TRANSCEIVER
.
9 10
2 9 9 4 2 8
IC90 BA4558F-E2
OUT1 1
1CH
–IN1 2
2CH
+IN1
3
VEE 4
1 5 0 5 8 2 9 9 4
m
co
9 9
8 VCC
OUT2
7
–IN2
6
+IN2
5
2 8 9 9
37