Sony CDX-M600 Service Manual page 58

• 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
58 58
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
13 OUTL
4
INML
VCCR
INMR 5
12 OUTR
SIGNAL
AMP
11 RGND
REFERENCE
VCCR
LIFT
BUFFER
AMP
CR–
SVRR 6 10
9 CR+
BUFFER
INR 7
VCCR 8
IC407 BA3834F
18 17 16
MULTIPLEXER
REGISTER REGISTER REGISTER REGISTER
PEAK PEAK PEAK PEAK PEAK
HOLD HOLD HOLD HOLD HOLD
68Hz 170Hz 420Hz 1kHz 2.4kHz
B.P.F. B.P.F. B.P.F. B.P.F. B.P.F.
DIFFERENTIAL
AMPLIFIER
1 2 3 4 5 6 7 8 9
IC601 SAA6588T-V2-118
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
IC802 BA8270F-E2
BUS ON
14 VCC
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 DRIVER 15 NC
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
15 14 13 12 11 10
DECODER
REGISTER REGISTER REGISTER
PEAK PEAK
HOLD HOLD
5.9kHz 14.4kHz
B.P.F. B.P.F.
14 13 12 11
PAUSE
DETECTOR
CLOCK
DATA
IIC BUS SLAVE
TRANSCEIVER
9 10