Sony CDX-M700R, Service Manual

Page: 60 / 82

60 60
CONTROL
LOGIC
TSD
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
GND
NC
OUT1
VM
VCC
FIN
NC
NC
RNF
NC
OUT2
NC
VREF
RIN
NC
NC
DRIVER
DRIVER
POWER
SAVE
1 36
FWD
2
REV
3 VCC2
4 VL0–
5 VL0+
6 VO4+
7 VO4–
8 VO3+
9 VO3–
S-GND
35 MUTE2
34 MUTE1
33 VIN4
31 VIN4+
30 VREF-IN
29 VIN1 (VREF)-SW
28 VREF-OUT (CH1)
10
VO2+
27 REG-OUT
11
VO2–
26 REG-IN
12
VO1+
13
VO1–
14
VCC1
15 VIN1
16 VIN1–A
17 VIN1+A
18 VIN1–B
25 VIN3+
24 VIN3–
23 VIN3
32 VIN4–
INPUT
OUTPUT
CONTROL
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
AMP-A
AMP-B
VIN1/VREF SW
MUTE1
MUTE2
CH2-CH4 OUTPUT
ON/OFF
CH1 OUTPUT
ON/OFF
GND
5V REG
+
–
+
–
22 VIN2+
21 VIN2–
20 VIN2
19 VIN1 +B
+
–
+
–
1 24
HOLD
2 AGCVTH
3 LD
4 PD
5 A
6 B
7 C
8
D
9
VEE
VEE
VCC
APC PD AMP
+
–
+
–
+
–
+
– VEE
VREF 1.25V
VCC
APC LD AMP
+
–
VC
VC
VCC
VCC
23 LC/PD
22 LD ON
21 HOLD SW
19 RF BOT
18 RFTC
17 RF I
16 RFO
10
F 15 RFE
11
E 14 FE
12 VC 13 TE
20 AGCCONT
+
–
+
–
+
–
+
–
VC
VEE
+
–
VC
VC
VC
VC
VC
VC
VC
+
–
+
–
+
–
+
–
+
–
VC
+
–
RF SUMMING AMP RF EQ AMP
TRACKING
ERROR AMP
VEE
ERROR AMP
FOCUS
VC BUFFER
VCC
VEE
SCOUT
MRO
MPTH
TCON OSCO
OSCI
VSSD VDDD DAVN
SDA
VREF MPX VSSA VDDA AFIN MAD PSWN
SCL
2
1 6
15 11 13 16 14 12
INTERFACE
REGISTER
SIGNAL QUALITY
DECODER
CLOCKED
COMPARATOR
POWER SUPPLY
& RESET
TEST
CONTROL
OSCILLATOR
& CLOCK
PAUSE
DETECTOR
MULTI
PATH
DETECTOR
57kHz
8th ORDER
BAND-PASS FILTER
RDS/RDBS
DECODER
RDS/RDBS
DEMODULATOR
IIC BUS SLAVE
TRANSCEIVER
17 18
CIN
19
LVIN
20
8 7
DATA
CLOCK
DATA
CLOCK
4
4
5
9 10
3 4 5
1
2
3
4
5
6
7 8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK
VREF
DATA
GND
VCC
RST
BUS ON
CLK IN
BU IN
DATA IN
DATA OUT
REFERENCE
REFERENCE
VCCL
VCCL
VCCL
INL
SVRL
INML
INMR
SVRR
INR
VCCR
VCCR
VCCR
BUFFER
BUFFER
BUFFER
BUFFER
LIFT
AMP
SIGNAL
AMP
LIFT
AMP
SIGNAL
AMP
CL+
CL–
LGND
OUTL
OUTR
RGND
CR–
CR+
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
IC802 BA8270F-E2
IC601 SAA6588T-V2-118
IC1 CXA2596M
• IC Block Diagrams
IC303 TC7W14FU (TE12R)
IC7 LA6556L
IC901 TL1451ACDB-E20
IC352 TC7SET08FU (TE85R)
IC402, 403 NJM2160AM-TE2
IC307 BA6288FS-E2
1
5
2
4
3
IN B
VCC
IN A
GND
OUT Y
1 7
8
3
4
5
2 6
1A
3Y
2A
GND
VCC
1Y
3A
2Y
REFERENCE
VOLTAGE
LATCH
TRIANGLE
OSCILLATOR
VERF.
+2.5V
+2.5V
+
–
U.V.L.O
–
+
+
–
1 2 3 4 5 6 7 8
9 10 16 15 14 13 12 11
PWM
COMPA-
RATOR2
OUTPUT2
OUTPUT1
GND
PWM
COMPA-
RATOR1
VERF
S R R
VERF
VERF
ERROR
AMP2
ERROR
AMP1
VREF/2
SHORT
CIRCUIT
PROTECTION
COMPARATOR
VCC
+
REF OUT S.C.P NON-INV- INPUT2 INV- INPUT2 FEED BACK2 DEAD TIME CONTROL2 OUT2 VCC
GND
OUT1
RT
NON-INV-
INPUT1
INV-
INPUT1
FEED
BACK1
DEAD
TIME
CONTROL1
CT