Sony CFD-S350 / CFD-S350L Service Manual ▷ View online
CFD-S350/S350L
21
21
CFD-S350/S350L
6-3. BLOCK DIAGRAM — TUNER SECTION (CFD-S350L MODEL) —
2
24
4
7
20
21
FM
RF AMP
FM
MIX
FM
OSC
FM IF
AMP
IF
BUFFER
AF
BUFFER
AF
AMP
MPX
MUTE
STEREO/
MONO,
FM/AM
FM/AM
AM IF
AMP
FM
DET
AM
DET
DET
6
FM
RF-IN
RF-IN
22
AM
RF AMP
Q14
AM
MIX
AM
RF-IN
RF-IN
MIX-OUT
OSC
-OUT
CF2
PLL
IC2
CF4
FM
RF-OUT
RF-OUT
10
QUAD
FM
IF-IN
IF-IN
12
15
11
L-OUT
MPX
-IN
-IN
R-OUT
13
AM
IF-IN
IF-IN
LPF1/BAND
AM OSC
FM OSC
FM/MW/LW FRONT-END,IF AMP,DET,MPX
IC1
L2
CT1, L1
FM TRACKING
T1
AM IFT
LOW-PASS
FILTER
LOW-PASS
FILTER
• SIGNAL PATH
: FM
: AM (MW/LW)
X1
75kHz
CT3
L1
FM RF
XOUT
XIN
AM IN
IF IN
ST
-IND
LP-OUT
LP-IN
FM IN
20
19
11
12
18
MW/L
W
6
CT1
D1
L4
AM (MW/LW)
OSC
L2
FM OSC
LEVEL
DET
ST
IND
14
LPF2/MO-ST
AM
OSC
BUFFER
BUFFER
SWALLOW
COUNTER
UNIVERSAL
COUNTER
CCB
INTERFACE
REFERENCE
DIVIDER
UNLOCK
DETECT
12 BIT
PROGRAMMABLE
DIVIDER
PHASE
DETECTOR/
CHARGE PUMP
SHIFT REGISTER & LATCH
1/2
BAND
DET
-OUT
ANT1
FM TELESCOPIC
ANTENNA
PD
IF-OUT
ST
-IND
2
1
10
9
BAND
7
MO/ST
13
8
17
16
17
18
16
19
CT5
D2
VT B+
D3
(1/2)
D3
(2/2)
MW/LW
HIGH CUT
Q12
T1
AM IF
Q42
Q41
RADIO
+6V
Q41, 42
MW SWITCH
L3-1
MW
L3-2
LW
L3
MW/LW
FERRITE-BAR
ANTENNA
LW
SWITCH
Q44
LW SWITCH
Q43
• R-ch is omitted due to same as L-ch.
R-CH
TU-LOUT
B
VT REG
Q61
T2
FM IFT
T2
FM IF
FM FREQUENCY COVERAGE
R-DATA
R-CLK
R-CE
R-COUNT
C
B MUTE
DI
CL
CE
DO
2
3
1
4
(Page 22)
(Page 22)
CFD-S350/S350L
22
22
CFD-S350/S350L
6-4. BLOCK DIAGRAM — MAIN SECTION —
D
5
21
22
16
4
L-CH
R-CH
HRP301
RECORD/PLAYBACK
HEAD
HE301
ERASE HEAD
DET
ALC 2
RADIO L
18
15
L.LO
R.LO
LINE
TAPE
R-CH
TU_IN_R
TU_IN_L
TAPE
LOGIC
5
CLK
4
DATA
POWER AMP
IC304
D322
R-CH
SP101
SPEAKER
(L-CH)
SP201
SPEAKER
(R-CH)
J321
REF
L.LINE
L.RO
REC
L.RAD
R.RAD
T301
REC BIAS OSC
Q301
ISS1
66
TAPE
37
V-CLK
V-DATA
CD
CD-CONT
26–10
6 – 9
LIQUID CRYSTAL
DISPLAY PANEL
LCD401
SYSTEM CONTROL
IC801 (2/2)
77
36
78
M-BASS
68
COM0
|
COM3
S0
|
S16
EEPROM
IC805
SCL
SAD
46
MODE CHK
50
WP/INI
D407
Q809,810
S350L
S350L
Q805,D801,804
KEY1
45
KEY2
44
KEY3
43
Signal path
: FM
: TAPE PLAY
: TAPE REC
: CD
: FM
: TAPE PLAY
: TAPE REC
: CD
R-ch is omitted due to same as
L-ch.
L-ch.
REC/PB
PRE AMP
IC301
11
5
MEGA
BASS
CONTROLLER
Q122
20
6
14
R.LINE
8
R.IN
L.IN
9
R.RO
i
A-MUTE
35
MUTE
Q124
LEVEL
DETECT
D323
TC-PLAY
49
M
TAPE PLAY
DETECT
Q808
24
REC
27
-1
-2
S301
(REC/PB)
REC
PB
KEY3
KEY1
KEY2
SW1
(TAPE PLAY)
M901
TAPE PLAY
MOTOR
17
CD_IN_R
CD_IN_L
S407,408,413-418
S405,410-412
S401-404
S405,410-412
S401-404
6
5
79
80
AUDIO 6V
Q302
U-COM
(VDD)
9V
A
TU-L OUT
B
R-CE
B-MUTE
R-DATA
R-CLK
R-COUNT
C
ISS2
67
Q303
KEY NETWORK
L-IN
L-OUT
IC302
ELECTRONIC VOLUME
8
7
VOL AMP
LINE AMP
Q113
57
59
58 56
48
R-LAT
60
B-MUTE
R-CLK
R-DATA
R-COUNT
76
RST
RMC
74
X1
75
X2
X802
4.19MHz
RESET
IC804
70
XT1
71
XT2
X801
32.768kHz
3.3V
IC403
1
2
REMOTE
CONTROL
RECEIVER
1
30
BLUE LED
LED
DRIVE
(Page 19)
(Page 19)
(CFD-S350)
(Page 20)
(CFD-S350L)
(Page 21)
(CFD-S350)
(Page 20)
(CFD-S350L)
(Page 21)
(CFD-S350)
(CFD-S350L)
CFD-S350/S350L
23
23
CFD-S350/S350L
TUNER board
TC board
BATT-1 board
BATT-2 board
MAIN board
LCD board
POWER KEY board
CD KEY board
H/P board
POWER board
CD board
6-5. CIRCUIT BOARDS LOCATION
• NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
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.)
for schematic diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. (p: pF)
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.
• Voltage and waveforms are dc with respect to ground
under no-signal conditions.
– CD Board –
no mark : CD PLAY
– TUNER Board –
no mark : FM
(
– CD Board –
no mark : CD PLAY
– TUNER Board –
no mark : FM
(
) : AM (MW)
<
> : LW
– Other Boards –
no mark : FM
(
no mark : FM
(
) : PB
<
> : REC
[
] : CD PLAY
• 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 (MW/LW)
E
: PB
a
: REC
J
: CD PLAY
• Abbreviation
CND : Canadian model.
E92
E92
: AC 120V area in E model.
AUS
: Australian model.
KR
: Korean model.
MX
: Mexican model.
SP
: Singapore model.
TH
: Thai model.
TW
: Taiwan model.
for printed wiring boards:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
W
: indicates side identified with part number.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
C
B
These are omitted.
E
Q
B
These are omitted.
C
Q
Q
E
B
C
E
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side) the parts face are indicated.
• Waveforms
1.8Vp-p
1
IC2
w;
(XOUT)
0.5V/div, 5
µ
sec/div
75kHz
— CD BOARD — (CD PLAY)
— TUNER BOARD —
— MAIN BOARD —
— TC BOARD —
0.85
±
0.2Vp-p
Approx. 100mVp-p
1
IC701
4
(RF)
500mV/div, 0.5
µ
sec/div
1.8V
Approx. 100mVp-p
1.8V
16.93MHz
3.2Vp-p
2
IC701
qd
(FE)
100mV/div, 20
µ
sec/div
3
IC701
qg
(TE)
100mV/div, 20
µ
sec/div
4
IC701
rk
(XOUT)
1V/div, 0.05
µ
sec/div
19.5
µ
sec
4Vp-p
1
Q301
C
(REC)
0.1V/div, 5
µ
sec/div
19.5
µ
sec
40Vp-p
2
T301, HRP301 (YEL)
10V/div, 5
µ
sec/div
1.5Vp-p
1.2Vp-p
4.19MHz
32.768kHz
1
IC801
ua
(XT2)
2V/div, 10
µ
sec/div
2
IC801
ug
(X2)
2V/div, 10
µ
sec/div
(CFD-S350)
(CFD-S350L)
(CFD-S350L)
Ver. 1.1
CFD-S350/S350L
24
24
CFD-S350/S350L
6-6. PRINTED WIRING BOARD — CD SECTION — • Refer to page 23 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
IC701
Q701
IC702
C729
C730
R730
R728
R729
C704
R708
C728
R724
R722
R725
R726
R707
C701
C726
C723
C725
C724
R719
R717
R718
R716
C720
C721
R731
R721
R720
R715
R714
C727
C711
C709
FB701
C736
C734
R709
C705
R710
R701
C703
C731
R706
R727
R712
R723
C708
R741
JC701
R744
C751
JC702
JC703
C743
C744
C742
C755
C741
C707
L706
C739
C738
R732
R742
R735
R704
R733
R702
R734
R703
R746
R743
R705
R736
R747
R738
R711
R713
R737
C716
C722
C717
C745
M702
M701
S701
C732
CNP701
X701
CNP702
JW706
JW707
JW709
JW713
JW714
JW715
JW716
JW717
JW718
JW721
JW722
JW723
JW724
JW725
JW726
JW727
JW728
JW729
C740
C750
C746
C747
JW719
JW720
C733
C706
JW712
JW710
JW702
JW701
JW708
C702
JW703
JW705
JW704
JW711
JW731
JW732
C754
(Page 32)
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