Sony CDX-CA850X Service Manual page 42

CDX-CA850/CA850X/CA860X
• IC BLOCK DIAGRAMS
IC1 CXA2596M
APC PD AMP
+
HOLD
1
–
VCC
VEE +
–
AGCVTH 2
VEE +
+
– APC LD AMP
–
LD 3
VCC
VC
PD 4
–
+
+
–
A 5
+
+
–
–
B
6
+
–
VEE
C
7
VC + VC +
– –
D
8
RF SUMMING AMP RF EQ AMP
VC
VEE 9 VEE ERROR AMP
VC
FOCUS
+
–
+
VC
–
F 10
E 11 –
+
VC
VC
VC BUFFER VCC
VC 12
+
VEE
–
VC
IC201 SAA6588T
20 19 18 17 16 15
POWER SUPPLY
MULTI & RESET
PATH
57kHz
DETECTOR
8th ORDER
BAND-PASS FILTER
CLOCKED SIGNAL QUALITY
COMPARATOR DECODER
4 5
4
CLOCK
RDS/RDBS RDS/RDBS INTERFACE
DEMODULATOR DECODER REGISTER
DATA
TEST OSCILLATOR
CONTROL & CLOCK
1 2 3 4 5 6 7 8
IC601 BA8270F
BUS ON
BUS ON
1
SWITCH
VCC VCC
24
RESET
RST 2
SWITCH
23 LC/PD
BATTERY
BATT 3
SWITCH
22 LD ON
CLK 4
VREF 5
DATA 6
21 HOLD SW
GND 7
20 AGCCONT
VC 19 RF BOT
18 RFTC
17 RF I
16 RFO
15 RFE
14 FE
–
+
13 TE
TRACKING
ERROR AMP
VC
14 13 12 11
PAUSE
DETECTOR
CLOCK
DATA
IIC BUS SLAVE
TRANSCEIVER
9 10
IC7 LA6556L-TE-L
14 VCC
FWD 1
INPUT
13 RST
12 BUS ON REV 2
11 CLK IN
10 BU IN
VCC2
3
VL0– 4
9 DATA IN
8 DATA OUT VL0+ 5
VO4+
6
VO4– 7
VO3+ 8
VO3–
9
VO2+ 10
VO2– 11
VO1+
12
VO1– 13
VCC1
14
VIN1 15
VIN1–A 16
AMP-A
–
VIN1+A +
17
VIN1–B 18
–
+
AMP-B
42 42
GND
36 S-GND
CH2-CH4 OUTPUT
35 MUTE2
MUTE2
ON/OFF
CH1 OUTPUT
34 MUTE1
MUTE1
ON/OFF
33 VIN4
OUTPUT
CONTROL
32 VIN4–
+
–
–
+
31 VIN4+
LEVEL
SHIFT
–
+ 30 VREF-IN
29 VIN1 (VREF)-SW
VIN1/VREF SW
LEVEL
SHIFT
28 VREF-OUT (CH1)
–
+
5V REG
+
–
27 REG-OUT
LEVEL
SHIFT
26 REG-IN
25 VIN3+
+
LEVEL
–
–
SHIFT
+
24 VIN3–
23 VIN3
22 VIN2+
–
+
+
–
–
+
21 VIN2–
20 VIN2
19 VIN1 +B