Sony CFD-S22 / CFD-S32 (serv.man2) Service Manual ▷ View online
– 5 –
3. IC PIN DESCRIPTION
• IC501 CXP83620-025Q/026Q (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1
WRQ
I
CD WRQ signal input
2
RMC
I
Sircs receiver input
3
MUTE
O
MUTE output H: Mute
4
ADJ
O
F TEX frequency division output
5
FSEQ
I
CD SENSE read clock input
6
C-CE
O
CD chip enable output
7
C-CL
O
CD clock output
8
C-DI
O
CD data output
9
C-DO
I
CD data input
10
C-SW
I
CD limit switch input
11
C-DRF
I
CD DRF signal input
12
C-RES
O
CD system reset output
13
C-MUTE
O
CD MUTE output Not used. (Open)
14
R-COUNT
I
Tuner PLL data input
15
R-CLOCK
O
Tuner PLL clock output
16
R-DATA
O
Tuner PLL data output
17
R-LATCH
O
Tuner PLL latch output
18
NC
—
Not used. (Open)
19
V-DATA
O
Volume data output
20
V-CLOCK
O
Volume clock output
21
P-CON
O
System power control output H: Power on
22
REG CHK
I
Regulator check signal input
23
REC
I
Tape record signal input H: REC
24
SDA
I/O
EEPROM input/output
25 – 28
KEY-1 – 4
I
Key input
29
MODE CHECK
I
Mode set input
30
RST
I
System reset input
31
EXTAL
I
Oscillation input (4.19 MHz)
32
XTAL
O
Oscillation output (4.19 MHz)
33
VSS
—
GND
34
VL
O
LCD drive port ON/OFF output
35 – 37
VLC3 – 1
O
LCD drive voltage output
38 – 41
COM0 – 3
O
LCD drive common output
42 – 58
SEG0 – 16
O
LCD drive segment output
59
SEG17
O
LCD drive segment output Not used. (Open)
60, 61
NC
—
Not used. (Open)
62
INIT
O
Initial set signal output
63
TONE
O
TONE control output L: LPF on
64
MEGA BASS
O
MEGA BASS control output H: MEGA BASS on
65
BT-CHK
O
Battery check output H: Battery Low voltage
66
MT-CONT
O
MT control output H: Low voltage
67
ISS1
O
ISS1 output H: ISS1 Not used. (Open)
68
ISS2
O
ISS2 output H: ISS2 Not used. (Open)
69
TAPE
O
Tape function output H: Tape
70
RADIO
O
Tuner function output H: Radio
71
CD
O
CD function output H: CD
72
VDD
—
Power supply pin (+3.3 V)
73
TX
O
Oscillation output (150 kHz)
74
TEX
I
Oscillation input (150 kHz)
– 6 –
Pin No.
Pin Name
I/O
Pin Description
75
NC
—
Not used. (Open)
76
A-MUTE
O
Audio mute output H: Mute
77
SCL
O
EEPROM clock output
78
EC
I
Event counter input
79
TC-PLAY
I
Tape play switch input L: Tape
80
C-DOOR
I
CD door open/close switch input L: Close
CFD-S22/S32
4. BLOCK DIAGRAM — CD SECTION —
– 7 –
– 8 –
A
C
B
E
F
D
LD
PD
LD POWER
CONTROL
Q701
APC
FIN2
FIN1
LDD
LDS
TIN1
TIN2
VREF
12
CNP701
10
11
13
7
5
14
16
9
3
2
4
1
RF
HFL
REFV
FE
TE
EFBL
3
4
6
LDOF
10
13
8
1
7
18
20
27
2
RF AMP
IC701
9
12
11
TRACKING
COIL
DRIVE
20
7
FOCUS
COIL
DRIVE
TIN
FIN
24
SLIN
SLED
MOTOR
DRIVE
3
SPINDLE
MOTOR
DRIVE
SPIN
VREF
MUTE
T+
T–
17
18
F+
F–
26
27
SL+
SL–
2
1
SP+
SP–
TRACKING
COIL
FOCUS
COIL
OPTICAL PICK-UP
BLOCK
(KSS-213C)
M
M
M702
SLED
MOTOR
M701
SPINDLE
MOTOR
SLED/SPINDLE
MOTOR DRIVE,
TRACKING/FOCUS
COIL DRIVE
IC703
S701
(LIMIT)
EFMIN
HFL
PH(RFENV)
FE
TE
VREF
VREF
CONT1
FSEQ
CONT3
DRF
RES
DI
CE
CL
WRQ
DO
XOUT
XIN
LCHO
RCHO
1
2
10
14
15
16
17
72 78
29 31
LASER
28
71
67 65 66
51
52
70 68
45
48
SYSTEM SERVO PROCESSOR,
DIGITAL SIGNAL PROCESSOR
IC702
70
80
10
11 5
8 6 7 1
9
12
X701
16.9344MHz
C-CE
C-DI
C-CL
WRQ
C-RES
C-DRF
C-SW
FSEQ
C-DO
C-DOOR
22 REG CHK
CD
RADIO
71
CD
SYSTEM CONTROL
IC501 (1/2)
RADIO
6V REG
Q513,514
CD
3.3V REG
Q511,512
Q511,512
3.3V REG
IC502
AUDIO 6V
RA6V
COM 3.3V
CD3.3V
65 BT-CHK
66 MT-CONT
S501
CD DOOR
OPEN/
CLOSE
3
3
3
2
3.3V
KH321
6 5
12
11 10 9 8
1
1
2
2
1
3
1
3
CNP902
POWER
SWITCH
Q951
POWER
SWITCH
Q952,953
AUDIO
6V REG
Q955
COM
3.3V REG
Q957
P. CONT
VDD
(US MODEL)
VDD
D955
EXCEPT US MODEL
D951
D952
VDD(SW)
COM 3.3V
AUDIO 6V
SECONDARY BOARD
AC-HI
VDD
CNB901(1/2)
CNP901
BATTERY
BOARD
POWER
BOARD
4
1
2
D901 - 904
T901
POWER
TRANSFORMER
CNJ901
AC IN
CNB901(2/2)
CNP904
3
CD BOARD
04
MAIN BOARD (1/2)
VOL SEL BOARD
HALF
BATTERY
BOARD
• Signal path
: CD
R-ch : same as L-ch.
Abbreviation
CND : Canadian model
E4 : AC 110-120V/
220-240V area in E model
E92 : AC 120V area in E model
MX : Mexican model
CND : Canadian model
E4 : AC 110-120V/
220-240V area in E model
E92 : AC 120V area in E model
MX : Mexican model
REG,AC
BATTERY
CHECK
Q501-504
CLV
CONTROL
SWITCH
ERROR
CORRECTION
AUDIO CD
C1-2,C2-2
C1-2,C2-2
A/D
CONVERTER,
SERVO
PROCESSOR
FRAME SYNC
DETECT,PROTECT
INSERT
EFM DECODER
INTERPOLATION
MUTE
&
ATTENUATION
DEEMPHASIS
8FS
DIGITAL
FILTER
&
1-bit DAC
LPF
SLICE
LEVEL
CONTROL
GENERAL
PURPOSE
PORT
COMMAND
INTERFACE
INTERFACE
CLOCK
GENERATOR
TBLO
TDO
FDO
FDO
SLDO
SPDO
25
22
23
24
26
23
6 5
12
11 10 9 8
4
4
7
7
TD
FD
SL
SP
FD
SL
SP
TD
VREF
7
CNP702(1/2)
CN502(1/2)
D956
VDD
VDD(SW)
D509
D511
VREF
VREF
CNP702(2/2)
CN502(2/2)
CD R
CNP505(1/3)
15
15
3
F902
F901
EXCEPT US,E92,MX MODEL
E4 MODEL
E4 MODEL
CNP905
S901
VOLTAGE SELECTOR
220-240V
110-120V
EXCEPT E4 MODEL
US,E92,MX MODEL
CD L
DRY BATTERY
SIZE " D "
(IEC DESIGNATION R20)
6PCS,9V
4.5V
4.5V
D/A
CONVERTER
17
AGON
12
22
PH/BH
– 9 –
– 10 –
5. PRINTED WIRING BOARD — CD SECTION —
Note on Printed Wiring Boards:
•
X
: parts extracted from the component side.
•
b
: Pattern from the side which enables seeing.
• (( ))
: Page of supplement-1
• Semiconductor
Location
CFD-S22/S32
((Page 13))
• Waveforms
(MODE: PLAY)
4
3.2Vp-p
16.9344MHz
IC702
ts
(XOUT)
3
2
1.8V
1
0.9-1.5Vp-p
Approx. 100mVp-p
IC701
w;
(FE)
IC701
wj
(RF)
1.8V
Approx. 100mVp-p
IC701
qk
(TE)
1V/div 0.05
µ
sec/div
500mV/div 0.5
µ
sec/div
100mV/div 20
µ
sec/div
100mV/div 20
µ
sec/div
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
(SLED MOTOR)
(SPINDLE MOTOR)
TAP701
TAP702
04
TP(RF)
D701
C-7
IC701
F-7
IC702
C-5
IC703
I-3
Q701
G-4
Ref. No.
Location
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