Sony CFD-S22 / CFD-S32 Service Manual ▷ View online
CFD-S22/S32
– 41 –
– 42 –
6-14. SCHEMATIC DIAGRAM — CONTORL SECTION —
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
C
: panel designation.
•
U
: B+ Line.
• Power voltage is dc 9V and fed with regulated dc power
supply from battery terminal.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
no mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
(Page 36)
CFD-S22/S32
– 43 –
– 44 –
6-15. PRINTED WIRING BOARDS — POWER SUPPLY SECTION — • Refer to page 18 for Circuit Boards Location.
D901
J-10
D902
I-10
D903
J-9
D904
I-9
• Semiconductor
Location
Ref. No.
Location
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• X : parts extracted from the component side.
• b : Pattern from the side which enables seeing.
• Abbreviation
E4
: AC 110-120V/220-240V area in E model
E92
: AC 120V area in E model
MX
: Mexican model
JE
: Tourist model
(Page 34)
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
T901
POWER
TRANSFORMER
DRY BATTERY
SIZE " D "
(IEC DESIGNATION R20)
3PCS, 4.5V
DRY BATTERY
SIZE " D "
(IEC DESIGNATION R20)
3PCS, 4.5V
04
925
F901
EXCEPT
E4, JE
MODEL
US,E92,MX MODEL
EXCEPT US,E92,MX MODEL
EXCEPT
E4, JE
MODEL
E4, JE MODEL
E4, JE MODEL
E4, JE MODEL
WHT
RED
BLK
WHT
RED
BLK
CN905
S901
VOLTAGE SELECTOR
220 - 240V
110 - 120V
CFD-S22/S32
– 45 –
– 46 –
6-16. SCHEMATIC DIAGRAM — POWER SUPPLY SECTION —
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• C : panel designation.
• U : B+ Line.
• Total current is measured with no cassette installed.
• Power voltage is dc 9V and fed with regulated dc power
• Total current is measured with no cassette installed.
• Power voltage is dc 9V and fed with regulated dc power
supply from battery terminal.
• Abbreviation
AR
: Argentina model
AUS
: Australian model
CND : Canadian model
E4
E4
: AC 110-120V/220-240V area in E model
E92
: AC 120V area in E model
MX
: Mexican model
SP
: Singapore model
JE
: Tourist model
Note:
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
(Page 38)
– 47 –
– 48 –
• IC Block Diagrams
IC1 TA2149N
IC701 CXA2550M
IC302 M62429P
IC2 LC72137M-TLM
IC301 TA2068N
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
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.RAD
TAPE
R.LIN
MIC
L.LO
REC
L.RAD
MIC I/EX
L.LIN
AGC
L.PO
L.NF
L.RO
L.IN
REF
GND
R.IN
R.RO
R.NF
R.PO
MIC.NF
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
MW/LW
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
VR 2
VR 1
VIN1
VOUT1
GND
DATA
VIN2
VOUT2
VCC
CLOCK
7
2
3
4
8
1
REF AMP
VOL AMP 2
VOL AMP 1
6
LOGIC
CONTROL
5
VREF
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
20
19
18
17
16
15
14
13
12
11
3
VC
2k
2k
32k
15k
54k
6k
174k
154k
95k
24p
24p
12p
12p
32k
87k
4
5
6
7
8
9
10
1
2
VCC
LD ON
VCC
VCC
AGCCONT
RFTC
RF I
RF O
RFM
FE
FE BIAS
TE
AGCVTH
LD
PD
PD1
PD2
VEE
F
E
EI
VC
FOCUS
ERROR
AMP
TRACKING
ERROR
AMP
VC
VC
VCC
VEE
VEE
VC
VC
VC
VC
VC
VC
VC
VC
49
26k
260k
260k
8k
2k
6p
8k
2k
10k
10k
13.4k
6p
25k
15k
30k
30k
96k
30k
30k
13k
13k
VEE
VCC
VC
VC
670mV
50
µ
A
10k
55k
10k
10k
56k
10k
56k
1k
APC PD
AMP
APC LD
AMP
VEE
VEE
VREF 1.25V
VC
IC504 BR2401A-W
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