Sony CFD-S26L / CFD-S36L Service Manual ▷ View online
CFD-S26L/S36L
18
18
6-5. PRINTED WIRING BOARD — CD SECTION — • Refer to page 15 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-7
• Semiconductor
Location
Ref. No.
Location
(Page 20)
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
: MW
E
: PB
a
: REC
J
: CD
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.
CFD-S26L/S36L
19
19
6-6. SCHEMATIC DIAGRAM — CD SECTION — • Refer to page 18 for Common Note on Schematic Diagrams and page 29 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 22)
CFD-S26L/S36L
20
20
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
MW/LW
FERRITE-ROD
ANTENNA
3
POWER (1) BOARD
CNP902
ANT1
FM
TELESCOPIC
ANTENNA
MAIN BOARD
LCD801
LIQUID CRYSTAL DISPLAY PANEL
1-679-963-
-1
MW
-2
LW
S36L
S36L
S36L
S36L
S36L
1-679-592-
TP
(VT)
6-7. PRINTED WIRING BOARDS — MAIN SECTION — • Refer to page 15 for Circuit Boards Location and page 18 for Common Note on Printed Wiring Boards.
D1
D-3
D2
D-4
D3
D-4
D10
B-2
D11
B-2
D322
H-9
D323
G-10
D324
C-9
<D801>
F-6
D802
H-9
D803
C-9
<D804>
E-6
D806
G-8
D807
G-9
D951
D-10
D952
E-9
D953
E-10
D955
E-9
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
Q12
C-4
Q14
E-5
Q41
E-5
Q42
D-3
Q43
D-4
Q44
D-4
Q61
D-6
Q122
G-9
Q124
F-10
Q125
F-8
Q222
F-9
Q224
F-10
Q225
E-8
<Q301>
F-9
(Q301)
G-2
(Q302)
G-4
(Q303)
G-4
Q801
H-9
Q804
G-9
Q806
H-9
Q807
C-11
Q808
C-9
Q812
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
(Page 18)
(Page 25)
(Page 27)
< > : CFD-S36L only
( ) : PRE BOARD
( ) : PRE BOARD
CFD-S26L/S36L
21
21
IC B/D
IC B/D
6-8. SCHEMATIC DIAGRAM — MAIN SECTION (1/4) — • Refer to page 18 for Common Note on Schematic Diagrams and page 30 for IC Block Diagrams.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : MW
< > : LW
(Page 22)
• Waveform
1.5Vp-p
1
IC2
w;
(XOUT)
0.5V/div 5µsec/div
75kHz
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