Sony CFD-S22L / CFD-S32L (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-S22L/S32L
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
VDD
D955
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)
HALF
BATTERY
BOARD
• Signal path
: CD
R-ch : same as L-ch.
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
CD L
DRY BATTERY
SIZE " D "
(IEC DESIGNATION R20)
6PCS,9V
4.5V
4.5V
D/A
CONVERTER
17
AGON
12
22
PH/BH
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)
– 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-S22L/S32L
((Page 13))
D701
C-7
IC701
F-7
IC702
C-5
IC703
I-3
Q701
G-4
Ref. No.
Location
• 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
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