Sony CFD-S20CP (serv.man4) Service Manual ▷ View online
CFD-S20CP
36
36
1
A
B
C
D
E
F
2
3
4
5
6
7
8
9
10
11
12
T901
POWER
TRANSFORMER
DRY BATTERY
SIZE " D "
(IEC DESIGNATION R20)
6PCS, 9V
RED
RED
J901
~ AC IN
1-683-998-
1-684-000-
1-684-001-
JW911
JW912
CNB901
JW913
JW914
CNP904
CNP902
CNP901
C906
JW905
C902
D902
C904
D904
C903
D903
D901
F902
C901
JW904
D901
B-3
D902
B-3
D903
C-4
D904
C-3
• Semiconductor
Location
Ref. No.
Location
6-18. PRINTED WIRING BOARDS — POWER SUPPLY SECTION — • Refer to page 19 for Circuit Boards Location and page 22 for Common Note on Printed Wiring Boards.
(Page 27)
CFD-S20CP
37
37
CNP901
C906
CNP902
C904
D904
D903
C903
C902
D902
D901
C901
J901
CNB901
T901
CNP904
F902
6-19. SCHEMATIC DIAGRAM — POWER SUPPLY SECTION — • Refer to page 22 for Common Note on Schematic Diagrams.
(Page 29)
CFD-S20CP
38
38
IC701 LC78646E-E (CD Board)
6-20. IC BLOCK DIAGRAMS
60
59
58
57
56
55
54
53
52
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
SLCO
SLCIST
EFMIN
RF
FDO
SPDO
SLDO
GPDAC
FDO
SPDO
SLDO
GPDAC
CONT4
CONT5
SBCK/CONT6
SBCK/FG
DEFECT
CONT4
CONT5
SBCK/CONT6
SBCK/FG
DEFECT
V/P
V/P
FSEQ
MONI1
MONI2
MONI3
MONI4
MONI5
V/P
FSEQ
MONI1
MONI2
MONI3
MONI4
MONI5
VSS
VDD(3.3V)
69 68 67 66
65 64 63 62 61
VSS
VDD5
DRF
RES
WRQ
DO
DI
CL
CE
79
78 77 76 75 74 73 72 71
LDS
80
LDD
FR
VVDD
PCKIST
VVSS
PDO2
PDO1
CONT1
CONT2
70
CONT3
WRQ
DO
DI
CL
CE
CE
FR
VVDD
PCKIST
VVSS
SBCK/FG
PDO2
PDO1
CONT1-3
SBCK/CONT6
CONT4,5
CONT4,5
DRF
WRQ
DO
DI
CL
CE
LDS
LDD
LDS
LDD
FR
VVDD
PCKIST
VVSS
PDO2
PDO1
CONT1
CONT2
CONT3
RFVDD
RFVSS
FIN1
FIN2
TIN1
TIN2
VREF
FIN1
FIN2
TIN1
TIN2
REFI
REFI
DEFECT
FE
TEC
TE
RFMON
JITTC
ADAVDD
ADAVSS
TDO
SLCO
SLCIST
EFMIN
RF
FIN1
FIN2
TIN1
TIN2
VREF
REFI
FE
TEC
TE
RFMON
JITTC
JITTC
ADAVDD
ADAVSS
ADAVDD
ADAVSS
TDO
DATA
DATACK
LRSY
ASDFIN
ASDACK
ASLRCK
DATA
DATACK
LRSY
RVDD
RVSS
RCHO
LCHO
LVSS
LVDD
ASDFIN
ASDACK
ASLRCK
16MOUT
EFLG
C2F
FSX/16MIN
EFLG
C2F
FSX/16MIN
XVSS
XIN
XOUT
XVDD
16MOUT
XVSS
XIN
XOUT
XVDD
XVSS
XIN
XOUT
XVDD
RVDD
RCHO
RVSS
LVSS
LCHO
LVDD
DATA
DATACK
LRSY
ASDFIN
ASDACK
ASLRCK
16MOUT
EFLG
C2F
FSX/16MIN
XVSS
XIN
XOUT
XVDD
RVDD
RCHO
RVSS
LVSS
LCHO
LVDD
39 40
DOUT
TEST
51
50
49
48
47
46
45
44
43
42
41
+
–
MIX
PH
BH
MONI
CONT
CONT
EQ
+
–
+
–
+
–
+
–
+
–
+
–
LPF
TBAL
TBAL
RAM
TDO
TRACK JUMP
SW
D/A
APC
SUBCODE DECODE CRC
GENERAL PURPOSE
PORTS
8FS
DIGITAL FILTER
1BIT DAC
LPF
ERROR
CORRECTION
AUDIO CD
MONITOR SIGNAL SELECTOR
EXTERNAL
AUDIO IN
AUTO ADJUST
FRAME SYNC
DETECT,PROTECT,INSERT,
EFM DECODE
A/D
CLOCK
GENERATOR
COMMAND
INTERFACE
INTERFACE
SERVO PROCESSOR
LEVEL SET
+
–
S/H
SW
DRF
DRF
ATTENUATION
DEEMPHASIS
INTERPOLATION
MUTE
RUPTURE DEFECT
SLICE LEVEL
CONTROL
CLV,CAV
CONTROL
SERIAL
OUT
AUDIO OUT
RAM
JITTER
DETECT
PLL
VCEC
FE
TE
TEC
RF
RFMON
VREF
SPDO
SLDO
GPDAC
FSEQ
MONI1-5
FDO
LPF
LPF
AGC
1
2
3
4
5
6
7
8
9
10
11
12
13
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
LEVEL
SHIFT
LEVEL
SHIFT
THERMAL
SHUT-DOWN
MONITOR
LEVEL
SHIFT
LEVEL
SHIFT
D.BUFF
D.BUFF
D.BUFF
GND
SLIN
(SLIN)
VREF
VCC
VCC
(FIN)
FIN
F–
F+
SL–
SL+
NC
OPIN
SP–
REG–B
SP+
SPIN
RST
REGO
MUTE
GND
TIN
(TIN)
T–
T+
GND
OPOUT
D.BUFF
D.BUFF
D.BUFF
D.BUFF
D.BUFF
REGULATOR
DRIVER
MUTE
VCC
VCC
GND1
3
2
1
IF REQ
AM
MIX
FM RF-IN
AM LOW CUT
5
4
MIX OUT
VCC2
AF IF-IN
8
7
6
FM IF-IN
GND2
10
9
AGC
QUAD
12
11
R-OUT
L-OUT
FM RF-OUT
22
23
24
20
21
17
18
19
15
16
13
14
AM RF-IN
VCC1
FM OSC
ST-IND
OSC-OUT
AM OSC
IF-OUT
LPF2/MO-ST
MPX- IN
DET-OUT
LPF1/BAND
FM
MIX
FM
OSC
LEVEL
DET
AM
DET
MUTE
FM
DET
ST/MO
FM/AM
AM
OSC
AGC
SW
ST
1/8
BUFF
BUFF
DIVIDE
DECODE
VCO
IF BUFF
AF BUFF
AF
FM RF
AM IF
FM IF
1/1 OR
1/16
11
10
9
8
7
6
5
4
3
2
1
12
13
14
15
16
19
20
UNLOCK
DETECTOR
POWER ON
RESET
UNIVERSAL
COUNTER
CCB
I/F
CE
DI
CL
DO
XOUT
LP-OUT
XIN
LP-IN
PD
VSS
VDD
MO/ST
FM IN
AM IN
MUTE
FM/AM
BAND
ST-IND
BAND
IF IN
PHASE
DETECTOR
CHARGE
PUMP
REFERENCE
DIVIDER
SWALLOW
COUNTER
1/16,1/17
4BITS
12BITS
PROGRAMMABLE
DIVIDER
DATA SHIFT REGISTER
LATCH
1/2
17
18
IC702 BA5826FP-E2 (CD Board)
IC1 TA2149BN (TUNER Board)
IC2 LC72137M-TLM (TUNER Board)
39
CFD-S20CP
A0
A1
A2
GND
VCC
WP
SCL
SDA
1K BIT EEPROM ARRAY
ADDRESS
DECODER
DECODER
HIGH VOLTAGE
OCCURENCE CIRCUIT
POWER SUPPLY
VOLTAGE DETECTION
DATA
REGISTER
SLAVE • WORD
ADDRESS
REGISTER
CONTROL CIRCUIT
7
6
5
8
1
2
3
4
7BIT
8BIT
7BIT
START
STOP
ACK
1
2
3
6
9
10
11
12
8
7
4
5
22
TAPE
TAPE
TAPE
BUF AMP
A1
BUF AMP
A2
NAB
AMP1
NAB
AMP2
23
24
15
14
13
21
20
17
16
RADIO
BUF AMP
B1
BUF AMP
B2
MUTE
MUTE
ON
ON
ON
7dB
26dB
26dB
MONITOR
AMP
LOGIC
18
19
MUTE
7dB
MONITOR
AMP
LINE
TAPE
RADIO
LINE
ALC2
ALC1
DET
REC
AMP1
REC
AMP2
2.1
REF
AMP
MIC
AMP1
VCC
R.LO
LINE
R.LINE
TAPE
R.RAD
MIC
L.LO
REC
L.LINE
MIC I/EX
L.RAD
AGC
L.PO
L.NF
L.RO
L.IN
REF
GND
R.IN
R.RO
R.NF
R.PO
MIC.NF
IC802 CAT24WC02JI-1.8-TE13 (MAIN Board)
IC301 TA2068N (TC Board)
IC303 BD3870FS-E2 (MAIN Board)
VIN1
VIN2
SEL2
SEL1
A1
A2
B1
B2
C1
C2
FILTER
GND
CAP
TNF1
TNF2
BNF2
BOUT2
BNF1
BOUT1
OUT1
OUT2
SI
SC
VCC
BASS1
f
0
=80Hz
BASS2
f
0
=80Hz
21
20
19
18
17
16
15
14
13
TREBLE2
f
0
=8kHz
22
TREBLE1
f
0
=8kHz
23
SURROUND
24
1
2
3
4
LOGIC
VCC/2
VCC/2
VCC/2
VCC/2
VCC/2
5
6
7
8
9
10
11 12
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