Sony CDX-M700R Service Manual page 60

• 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 VC BUFFER VCC
12
+
VEE
–
VC
IC901 TL1451ACDB-E20
16 15 14 13 12 11
VERF.
+2.5V
VCC
–
+
REFERENCE
VOLTAGE
ERROR PWM
AMP2 COMPA-
RATOR2
+2.5V
VERF
SHORT
CIRCUIT
VERF VERF
PROTECTION
COMPARATOR
+
+
–
S R R
LATCH U.V.L.O
VREF/2
PWM
COMPA-
RATOR1
+
TRIANGLE
–
OSCILLATOR
ERROR
AMP1
1 2 3 4 5 6
IC7 LA6556L
VCC 24 VCC FWD 1
INPUT
REV
2
23 LC/PD
VCC2
3
22 LD ON
VL0– 4
21 HOLD SW VL0+
5
VO4+
6
20 AGCCONT
VO4– 7
VC 19 RF BOT
VO3+
8
18 RFTC
VO3–
9
17 RF I
16 RFO
VO2+ 10
VO2–
11
15 RFE
VO1+
12
14 FE
VO1– 13
–
+
13 TE VCC1
14
TRACKING
ERROR AMP
VC
VIN1
15
VIN1–A 16
AMP-A
–
VIN1+A +
17
VIN1–B
18 –
10 9 +
AMP-B
OUTPUT2
IC303 TC7W14FU (TE12R)
OUTPUT1
1A 1
3Y
2
2A 3
GND
GND 4
7 8
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
8 VCC
7 1Y
3A
6
5 2Y
60 60
IC402, 403 NJM2160AM-TE2
VCCL 1
BUS ON
INL 2
BUFFER VCCL
16 CL+
SVRL 3 15 CL–
LIFT
BUFFER AMP
REFERENCE
VCCL
14 LGND
SIGNAL
AMP
OUTL
13
4
INML
VCCR
INMR 5
12 OUTR
SIGNAL
AMP
11 RGND
REFERENCE
VCCR
LIFT
BUFFER
AMP
SVRR CR–
6 10
9 CR+
BUFFER
INR 7
VCCR 8
IC352 TC7SET08FU (TE85R)
5 VCC
IN B
1
4 OUT Y
IN A 2
GND 3
IC601 SAA6588T-V2-118
20 19 18 17 16 15
POWER SUPPLY
& RESET
MULTI
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
IC802 BA8270F-E2
BUS ON VCC
14
1
SWITCH
RESET
RST 2 13 RST
SWITCH
12 BUS ON
11 CLK IN
BATTERY
BATT 3 10 BU IN
SWITCH
CLK 4
VREF 5
6 9 DATA IN
DATA
GND 7 8 DATA OUT
IC307 BA6288FS-E2
GND 1 16 RNF
NC 2 15 NC
DRIVER
DRIVER
OUT1 3 14 OUT2
VM 4 13 NC
POWER
VCC 5 12 VREF
SAVE
FIN 6 11 RIN
NC 7 10 NC
NC 8 TSD 9 NC
14 13 12 11
PAUSE
DETECTOR
CLOCK
DATA
IIC BUS SLAVE
TRANSCEIVER
9 10