Sony CFD-S26 Service Manual ▷ View online
CFD-S26
21
21
6-4. BLOCK DIAGRAM — MAIN SECTION (FORMER TYPE) —
1
2
CD_IN_L
5
21
22
16
4
CNP301 (1/3)
L-CH
R-CH
HRP301
RECORD/PLAYBACK
HEAD
HE301
ERASE HEAD
DET
ALC 2
RADIO L
18
15
L.LO
CNP301
(3/3)
R.LO
LINE
TAPE
R-CH
CD
TU_IN_R
TU_IN_L
TAPE
VIN2
CNP806
(3/3)
(3/3)
VOUT2
LOGIC
CONTROL
5
CLOCK
4
DATA
VOLUME/SOUND CONTROLLER
IC302
POWER AMP
IC304
D322
R-CH
SP301
SPEAKER
(L-CH)
SP302
SPEAKER
(R-CH)
J321
REF
L.LINE
L.RO
REC
L.RAD
R.RAD
T301
REC BIAS OSC
Q301
REC
41
TAPE
37
V-CLK
V-DATA
CD
CD
10–26
6 – 9
57
59
58 56
LIQUID CRYSTAL
DISPLAY PANEL
LCD801
SYSTEM CONTROLLER
IC802 (2/2)
67
36
66
60
DBB
33
COM0
|
COM3
S0
|
S16
EEPROM
IC803
R-LAT
SCL
SAD
R-CLK
R-DATA
R-COUNT
76
RST
B-MUTE
46
MODE CHK
50
WP/INI
74
X1
75
X2
TUNER
X802
4.19MHz
RESET
IC804
70
XT1
71
XT2
X801
32.768kHz
3.3V
Q814
Q813
Q812,D807
5
4
3
2
VOL
D451
OPR/BATT
KEY1
42
KEY2
43
KEY3
44
KEY4
45
Signal path
: FM
: AM
: TAPE PLAY
: TAPE REC
: CD
: FM
: AM
: TAPE PLAY
: TAPE REC
: CD
R-ch : same as L-ch.
PRE BOARD
REC/PB
PRE AMP
IC301
MAIN BOARD (2/2)
11
5
MEGA
BASS
CONTROLLER
Q122
5
8
5
7
7
8
1
8
1
20
6
14
R.LINE
8
R.IN
L.IN
9
R.RO
i
CNP301 (2/3)
CNP806 (2/3)
A-MUTE
31
MUTE
Q124
LEVEL
DETECT
D323
LINE
AMP
AMP
Q125
TC-PLAY
49
M
TAPE
SWITCH
Q808
MOTOR
SWITCH
Q807
1
2
24
-1
6V
REC
-2
S301
(REC/PB)
REC
PB
CNP302
CNP323
VDD(SW)
VDD(SW)
CNP805
CNP401
KH402
CNP404
KH405
KH403
KEY4
KEY2
KEY3
KEY1
KEY1
1
2
2
3
3
4
4
1
2
2
4
S802
(TAPE PLAY)
M801
CAPSTAN/REEL
MOTOR
17
7
CD_IN_R
3
9
11
9
11
D803
S411,412
S407-409
S416-427
S413,414
S401-406
S413,414
S401-406
6
5
79
80
8
5
4
3
2
8
4
1
4
1
1
2
1
2
CONTROL (1)
BOARD
CONTROL (3)
BOARD
CONTROL (2)
BOARD
AUDIO 6V
18
11 12
20
19
AM IN
FM IN
XOUT
XIN
13
MO/ST
10
IF IN
LPF2/MO-ST
LPF1/BAND
ST-IND
OSC-OUT
7
BAND
8
ST-IND
LP-OUT
AM
OSC
AM
MIX
FM
MIX
FM
OSC
AM
RF-IN
RF-IN
FM
RF-IN
RF-IN
FM
RF-OUT
RF-OUT
X1
75kHz
PLL
IC2
14
17
13
18
16
15
11
12
19
20
22
4
6
7
10
2
21
24
T1
CF4
L2
L1
CT1
RADIO6V
RADIO 6V
D1 D2
CT3
D3
L3
AM
FERRITE-ROD
ANTENNA
CT3,L3
AM
TRACKING
CT1,L1
FM
TRACKING
ANT1
FM
TELESCOPIC
ANTENNA
IF
BUFFER
AM
DET
FM
DET
IF CUT
AF
BUFFER
FM
MPX
MUTE
IF CUT
R-OUT
L-OUT
R-CH
RADIO 6V
QUAD
FM/AM FRONT-END, IF DET,
FM STEREO DEMODULATOR
IC1
AM
FREQUENCY
COVERAGE
L4
RADIO 6V
L4
CF2
RADIO 6V
RADIO 6V
RADIO 6V
RADIO 6V
FM OSC
AM OSC
MIX-OUT
AM
IF-IN
IF-IN
FM
IF-IN
IF-IN
IF-OUT
DET-OUT
MPX-IN
T2
T2
FM IF
L2
FM
FREQUENCY
COVERAGE
VDD(SW)
1 2 3 4
T1
AM IF
D324
(Page 20)
(Page 20)
CFD-S26
22
22
6-5. PRINTED WIRING BOARD — CD SECTION (FORMER TYPE) — • Refer to page 19 for Circuit Boards Location.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
TP
(RF)
TP
(FE)
TP
(TE)
TP(L-CH)
TP(R-CH)
TP
(VREF)
1
1-680-943-
MAIN
BOARD
CNP804
FY
TY
FX
TX
IC701
D-5
IC702
I-4
Q701
G-5
• Semiconductor
Location
Ref. No.
Location
(Page 24)
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
Common Note on Schematic Diagrams:
• 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.
•
f
: internal component.
• C : panel designation.
• A : B+ Line.
• H : adjustment for repair.
• Total current is measured with no cassette installed.
• Power voltage is dc 9V and fed with regulated dc power
• H : adjustment for repair.
• Total current is measured with no cassette installed.
• Power voltage is dc 9V and fed with regulated dc power
supply from battery terminal.
• Voltages are taken with a VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: AM
E
: PB
a
: REC
J
: CD
• Abbreviation
AR
: Argentina model.
AUS
: Australian model.
E4
: AC 110-120V/220-240V area in E model.
E92
: AC 120V area in E model.
MX
: Mexican model.
SP
: Singapore model.
Note: The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
Replace only with part number specified.
Common Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
• Abbreviation
AR
: Argentina model.
AUS
: Australian model.
E4
: AC 110-120V/220-240V area in E model.
E92
: AC 120V area in E model.
MX
: Mexican model.
SP
: Singapore model.
CFD-S26
23
23
6-6. SCHEMATIC DIAGRAM — CD SECTION (FORMER TYPE) — • Refer to page 22 for Common Note on Schematic Diagrams and page 46 for IC Block Diagrams.
IC B/D
IC B/D
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : CD PLAY
no mark : CD PLAY
1
IC701
4
(RF)
500mV/div 0.5µsec/div
2
IC701
qd
(FE)
100mV/div 20µsec/div
3
IC701
qg
(TE)
100mV/div 20µsec/div
4
IC701
rk
(XOUT)
1V/div 0.05µsec/div
0.85±0.2Vp-p
Approx. 100mVp-p
Approx. 100mVp-p
1.8V
1.8V
3.2Vp-p
• Waveforms
(Mode: PLAY)
33.86MHz
(Page 26)
CFD-S26
24
24
6-7. PRINTED WIRING BOARDS — MAIN SECTION (FORMER TYPE) — • Refer to page 19 for Circuit Boards Location and page 22 for Common Note on Printed Wiring Boards.
(Page 22)
(Page 29)
(Page 31)
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
13
14
L-CH
R-CH
1
CD BOARD
CNP702
2
CONTROL (1) BOARD
CNP401
S801
Z
PUSH OPEN/CLOSE
L3
AM
FERRITE-ROD
ANTENNA
3
POWER (1) BOARD
CNP902
ANT1
FM
TELESCOPIC
ANTENNA
MAIN BOARD
LCD801
LIQUID CRYSTAL DISPLAY PANEL
1-679-963-
1-679-592-
TP
(VT)
AUS,SP MODEL
SP MODEL
US,E,AUS MODEL
SP MODEL
SP MODEL
SP MODEL
D1
D-3
D2
D-4
D3
D-4
D10
B-2
D11
B-2
D322
H-9
D323
G-10
D324
C-9
D802
H-9
D803
C-9
D806
G-8
D807
G-9
<D951>
D-10
<D952>
E-9
D953
E-10
D957
E-9
IC1
C-3
IC2
C-5
(IC301)
H-3
IC302
F-9
IC304
F-11
IC801
F-6
IC802
H-7
IC803
F-5
IC804
G-5
Q122
G-9
Q124
F-10
Q125
F-8
Q222
F-9
Q224
F-10
Q225
E-8
(Q301)
G-2
Q801
H-9
Q804
G-9
Q806
H-9
Q807
C-11
Q808
C-9
Q812
G-8
Q813
G-8
Q814
C-6
Q817
E-9
Q818
E-8
Q819
H-9
Q820
E-5
<Q951>
D-11
Q952
D-10
Q953
D-10
Q955
E-9
Q957
E-8
• Semiconductor
Location
Ref. No.
Location
<
> : SP MODEL ONLY
(
) : PRE BOARD
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