Sony CFD-S350 / CFD-S350L Service Manual ▷ View online
17
CFD-S350/S350L
IC701
Q701
C729
C730
R730
R728
R729
C704
R708
C728
R724
R725
R726
R707
C701
C720
C711
C709
FB701
C736
C734
R709
C705
R710
R701
C703
C731
R706
R727
R712
R723
C708
C751
JC703
C743
C744
C742
C707
C739
C738
R732
R735
R704
R733
R702
R734
R703
R705
R736
R738
R711
R713
R737
C719
C722
C717
C745
C732
CNP701
JW706
JW707
JW709
JW713
JW714
JW722
JW723
JW724
JW725
JW726
C750
C746
C747
C733
C706
JW712
JW710
JW708
C702
TP
(RF)
TP
(VREF)
TP
(TE)
– CD board (conductor side) –
CD SECTION
CD section adjustments are done automatically in this set.
In case of operation check, confirm that focus bias.
In case of operation check, confirm that focus bias.
FOCUS BIAS CHECK
1. Connect the oscilloscope between IC701 pin 4 and pin qa (or
TP (RF) and TP (VREF)).
2. Insert the disc (YEDS-18). (Part No. : 3-702-101-01)
3. Press the N X (CD) button.
4. Confirm that the oscilloscope waveform is as shown in the
3. Press the N X (CD) button.
4. Confirm that the oscilloscope waveform is as shown in the
figure below. (eye pattern)
A good eye pattern means that the diamond shape ( ) in the
center of the waveform can be clearly distinguished.
A good eye pattern means that the diamond shape ( ) in the
center of the waveform can be clearly distinguished.
• RF signal reference waveform (eye pattern)
Test Point:
RF level :
0.85
0.85
±
0.2 Vp-p
VOLT/DIV : 50 mV (10 : 1 probe in use)
TIME/DIV : 500 nS
TIME/DIV : 500 nS
When observing the eye pattern, set the oscilloscope for AC range
and raise vertical sensitivity.
and raise vertical sensitivity.
18
CFD-S350/S350L
MEMO
CFD-S350/S350L
19
19
CFD-S350/S350L
A
C
B
F
E
D
A
C
B
D
LD
PD
VR
F
T+
T–
F+
F–
F–
SL+
SL–
SL–
SP+
SP–
E
VREF
LD
PD
LD POWER
CONTROLLER
Q701
APC
FIN2
FIN1
LDD
LDS
TIN2
TIN1
VREF
RF
10
9
11
80
7
79
4
8
9
12
11
TRACKING
COIL
DRIVE
19
7
FOCUS
COIL
DRIVE
TIN
FIN
25
SLIN
SLED
MOTOR
DRIVE
3
SPINDLE
MOTOR
DRIVE
SPIN
VREF
OPIN
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 DRIVER,
TRACKING/FOCUS
COIL DRIVER
IC702
S701
(LIMIT)
EFMIN
HFL
AGC
PH(RFENV)
FE
TE
VREF
CONT1
FSEQ
CONT4
DRF
RES
DI
CE
CL
WRQ
DO
XOUT
XIN
LCHO
RCHO
A
3
67
TDD
TD
FD
SP
SL
31
72 25
66
63 61 62
49
48
65 64
42
45
RF AMP,
SYSTEM SERVO PROCESSOR,
DIGITAL SIGNAL PROCESSOR
IC701
39
29
61 63
54 62 55 52 53
64
X701
16.93MHz
C-CE
C-DIN
C-CLK
C-WRQ
C-XRT
C-DRF
C-FSEQ
C-DOUT
CD DOOR
BTT-CHK-H
65
P-CON
28
AC-CHK
SYSTEM CONTROL
IC801 (1/2)
CD +3.3V
REG
Q957-959,D957
BATTERY
CHECK
Q807
POWER
CONTROLLER
Q819,820
+6V
REG
Q955,D953
+3.3V REG
IC802
POWER
SWITCH
Q952,953
POWER
SWITCH
Q951
CD 3.3V
CD-CONT
S801
PUSH
OPEN/
CLOSE
3.3V
AUDIO 6V
D901 – 904
RECT
F902
T901
POWER
TRANSFORMER
J901
AC IN
Signal path
: CD
CLV,CAV
CONTROL
PLL
VCEC
SWITCH
ERROR
CORRECTION
AUDIO CD
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
23
15
FD
SL
SP
TD
VREF
VREF
VREF
CD_IN_R
CD_IN_ L
DRY BATTERY
SIZE " D "
(IEC DESIGNATION R20)
6PCS, 9V
4.5V
4.5V
D/A
CONVERTER
PH/BH
RADIO 6V
CD 6V
9V
VT+B
D406
OPR/BATT
40
BTT-CHK-M
20
FDD
SPDO
SLDO
21 22 23
2
3
42
3V-CHK
D
D951
D324
Q801
Q815
BATT COM
VDD
AC-HI
U-COM
(VDD)
AUDIO
OUT
DOUT
39
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM — CD SECTION —
(Page 22)
(Page 22)
CFD-S350/S350L
20
20
CFD-S350/S350L
6-2. BLOCK DIAGRAM — TUNER SECTION (CFD-S350 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
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/AM FRONT-END,
IF AMP, DET, MPX
IC1
L2
FM FREQUENCY COVERAGE
CT1, L1
FM TRACKING
T1
AM IFT
LOW-PASS
FILTER
LOW-PASS
FILTER
• SIGNAL PATH
: FM
: AM
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
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
DI
CL
CE
DO
DET
-OUT
ANT1
FM TELESCOPIC
ANTENNA
PD
IF-OUT
ST
-IND
2
3
1
4
10
9
BAND
7
MO/ST
13
8
17
16
17
18
16
19
D2
VT B+
D3
(1/2)
D3
(2/2)
T1
AM IF
• R-ch is omitted due to same as L-ch.
R-DATA
R-CLK
R-CE
R-COUNT
R-CH
C
B MUTE
TU-LOUT
B
T2
FM IFT
T2
FM IF
L3
AM FERRITE-BAR
ANTENNA
(Page 22)
(Page 22)
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