Sony CDX-M600 Service Manual page 58

Q Q
3 7 6 3 1 5 1 5 0
• 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
+
T E
L 1 3 9 4 2 2 9 6 5 1 3
–
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
w w w
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
x a o
2A 3
GND
. i GND 4
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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
Q Q
SHIFT
3 7
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
u 1 6 3
y
5 2Y
58 58
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2 4
8 9 9
IC402, 403 NJM2160AM-TE2
VCCL 1
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
MULTIPLEXER
6 3 1 5 1 5 0 8 9
REGISTER REGISTER REGISTER REGISTER
PEAK PEAK PEAK PEAK
HOLD HOLD HOLD HOLD
68Hz 170Hz 420Hz 1kHz
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
m
4 5
4
CLOCK
c o
RDS/RDBS RDS/RDBS INTERFACE
DEMODULATOR DECODER REGISTER
. DATA
TEST OSCILLATOR
CONTROL & CLOCK
1 2 3 4 5 6 7 8
2
8 9 9
IC802 BA8270F-E2
BUS ON
14 VCC
BUS ON
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
16 15 14 13 12 11 10
DECODER
2 4 9 8 2 9 9
REGISTER REGISTER REGISTER
PEAK PEAK PEAK
HOLD HOLD HOLD
2.4kHz 5.9kHz 14.4kHz
B.P.F. B.P.F. B.P.F.
14 13 12 11
PAUSE
DETECTOR
CLOCK
DATA
IIC BUS SLAVE
TRANSCEIVER
9 10