DOWNLOAD Sony CFD-EX35L Service Manual ↓ Size: 9.52 MB | Pages: 52 in PDF or view online for FREE

Model
CFD-EX35L
Pages
52
Size
9.52 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cfd-ex35l.pdf
Date

Sony CFD-EX35L Service Manual ▷ View online

16
CFD-EX35L
Adjustment Location :
[TUNER BOARD] (Component side)
(Conductor side)
CT1: FM Tracking Adjustment
L1: FM Tracking Adjustment
L3-2: LW Tracking Adjustment
L3-1: MW Tracking Adjustment
CT3: MW Tracking Adjustment
CT5: LW Tracking Adjustment
CNP1
L4: LW Frequency Coverage Adjustment 
T1: AM IF Adjustment 
T2: FM IF Adjustment 
L2: FM Frequency Coverage Adjustment 
IC2
IC1
R12
R7
R18
R9
R16
R43
C93
C25
C40
C70
C72
C73
C48
C45
C46
C6
R64
C5
C71
C44
Q44
Q12
Q43
E
E
Q14
E
E
R42
R22
R17
R19
C3
R66
C64
JC22
C58
C2
E
Q42
E
Q41
E
Q61
R93
JC23
TP  CV
MW/LW/FM Frequency Coverage Adjustment
17
17
CFD-EX35L
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted.  p: pF.
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in 
 and 
1
/
4
 
W or less unless otherwise
specified.
f
: internal component.
2
: nonflammable resistor.
C
: panel designation.
A
: B+ Line.
H
: adjustment for repair.
• Total current is measured with no cassette installed.
• Power voltage is dc 9 V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: MW/LW
E
: PB
a
: REC
J
: CD
• WAVEFORMS
– TUNER Section –
SECTION 5
DIAGRAMS
5-1. Circuit Boards Location
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
f
: internal component.
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Note: The components identified by mark 
0
 or dotted line
with mark 
0
 are critical for safety.
Replace only with part number specified.
1
 IC2 
w;
 (XOUT)
1.4 Vp-p
13.3 
µ
s
500 mV/DIV, 4 
µ
s/DIV
– TC Section –
2
 Q301 collector (TAPE REC)
3.1 Vp-p
18 
µ
s
1 V/DIV, 10 
µ
s/DIV
– CD Section –
3
 IC701 
rk
 (XOUT)
4.2 Vp-p
59 ns
1 V/DIV, 20 ns/DIV
– MAIN Section –
4
 IC801 
ua
 (XT2)
3.6 Vp-p
30.5 
µ
s
1 V/DIV, 10 
µ
s/DIV
5
 IC801 
ug
 (X2)
3.7 Vp-p
238 ns
1 V/DIV, 100 ns/DIV
BATT board
PDW board
MAIN board
L-R/REG board
TRANS board
LCD board
BATT COM board
POWER board
TUNER board
HEADPHONE board
CONTROL (CD) board
CONTROL (POWER) board
CONTROL (VOL) board
CD board
TC board
18
18
CFD-EX35L
5-2. Block Diagrams
MAIN Section
: FM
: CD
• Signal Path
• R-CH is omitted due to same as L-CH.
: PB
: REC
20
B
A
TUNER/CD
SECTION
L OUT
L-CH
R-CH
 HEAD
R-CH
R-CH
(MAGNET)
L-CH
BIAS
OSC
Q301
ISS1
Q301
ISS2
Q301
PRE AMP
IC301
24
22
5
4
15
21
REC
TAPE
L IN
RADIO
PB AMP
26dB
L
TAPE
TAPE
T301
12
MUTE
Q171
AMP
Q321
INV
Q953
BASS AGC
Q351
3
8
STBY
POWER AMP
IC371
R-CH
R-CH
J391
SPEAKER (L-CH)
SPEAKER (R-CH)
FUNCTION
SWITCH
S409-416
LED DRIVE
Q810
64
V-CLOCK
65
V-DATA
34
A-MUTE
67
TAPE
39
33
32
REC
ISS2
ISS1
IC801(2/2)
SYSTEM CONTROL
70
71
74
75
X802
32.768kHz
X801
4.19MHz
XT1
XT2
X1
X2
S301
REC PB
REC AMP
AMP
BUFFER
7dB
17
LINE
51
TC-PLAY
M
VDD(SW)
M321
CAPSTAN/REEL
MOTOR
S322
MOTOR
S321
PLAY
TUNER/CD
SECTION
6
REF
66
P-CON
KEY-1
43
WP
50
KEY-2
44
W-LED1
79
S401,402
S404-408
SCL
35
SDA
36
6
5
EEP ROM
IC803
77
CD
VIN1
1
SOUND/VOLUME
IC321
SI
14
SC
13
17
OUT1
AGC
Q354
VDD(SW)
VDD(SW)
12
13
3
10
11
5
8
STBY
WOOFER
POWER AMP
IC351
30
WOOFER ON/OFF
LCD891
LIQUID CRYSTAL
DISPLAY PANEL
27
10
SEG17
SEG0
9
6
COM3
COM0
SP391
SP392
SP393
WOOFER
T901
(AC IN)
RECT
D901-904
+6V REG
Q954
CD +6V REG
Q972
+3.3V REG
Q956
CD/RADIO +6V
CD +3.3V
VDD(SW)
POWER
SWITCH
Q952
2
3
+3.3V
REG
IC802
2
1
RESET
IC805
µ
 COM VDD
D807
D806
1
REMOTE
CONTROL
IC891
76
RESET
49
REG CHK
AUDIO 6V
Q955
PB
REC
CD 3.3V
LPF
Q322
FUNCTION
SWITCH
FUNCTION
SWITCH
KEY-3
45
VDD(SW)
2
AU +6V
CNJ901
48
RMC
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
6PCS, 9V
POWER AMP +9V
D893
OPR/BATT
D401
POWER DRIVE 
WOOFER
TEST-1
SW
Q951
19
19
CFD-EX35L
TUNER/CD Section
: FM
:MW/LW
: CD
• Signal Path
• R-CH is omitted due to same as L-CH.
R-CE
63
R-CLK
61
R-DATA
62
R-COUNT
60
SYSTEM CONTROL
IC801(1/2)
OPTICAL PICK-UP
BLOCK
A
B
C
D
E
F
LD
VC
VCC
GND
PD
VR
LD
DRIVE
FOCUS
COIL
TRACKING
COIL
Q701
RF AMP,D/A CONV
IC701
VREF
11
FIN2
8
FIN1
7
TIN1
9
TIN2
10
LD
80
PD
79
MOTOR/COIL DRIVE
IC702
F+
17
F-
18
T+
12
T-
11
SL+
26
SL-
27
M
M702
SLED
MOTOR
SP+
2
SP-
1
M
M701
SPINDLE
MOTOR
F+
F-
T+
T-
19
9
25
3
SPDO
22
SLDO
23
TDO
20
FDO
21
42
L OUT
45
R OUT
63
DI
MAIN
SECTION
R-CH
L OUT
62
CL
61
CE
4
DRF
31
FSEQ
65
WRQ
66
RES
72
CONT1
49
XIN
48
XOUT
S701
LIMIT
IN SW
X701
16.93MHz
C-DI
54
C-CLK
55
C-CE
56
C-DRF
58
WRQ
52
C-RES
59
40
C-DOOR
S801
19
L1
L3
L3-1
L3-2
Q42
Q14
Q41
Q43
Q44
FERRITE-ROD
ANTENNA
D1
2
24
21
22
20
FM
MIX
FM RF-IN
FM RF-OUT
FM OSC
AM RF-IN
AM OSC
FM
OSC
AM
MIX
AM
OSC
OSC-OUT
4
MIX-OUT
16
IF
BUFFER
CF2
CF4
7
6
FM IF-IN
AM IF-IN
FM
MPX
FM/AM
BUFFER
FM
DET
AM
DET
15
A
DET-OUT
17
MUTE
12
11
R-CH
10
FRONT-END
IF AMP,DET,FM MPX
23
5
RADIO 6V
QUAD
VCC1
VCC2
MAIN
SECTION
T2
CE
12
11
14
13
14
13
MO-ST
BAND
10
4
2
3
1
20
19
VDD(SW)
PLL
IC2
FM IN
AM IN
VDD
XOUT
XIN
CL
DI
DO
IF IN
MO/ST
6V
X1
75kHz
L-CH
RADIO 6V
CT1
L2
D2
RADIO 6V
CT5
CT3
RADIO 6V
D3
L4
ANTENNA
FM
TELESCOPIC
IC1
T1
18 LP-OUT
6
MW/LW
16 PD
LPF
18
ST-IND
8
ST-IND
7
BAND
9
BAND
IF-OUT
MPX-IN
R-MUTE
57
C-FSEQ
46
SP IN
SL IN
T IN
F IN
B
RADIO 6V
ANT1
64
DO
C-DO
53
7
CONT4
25
MUTE
17 LP-IN
L1, CT1
FM
TRACKING
L2
FM
FREQUENCY
COVERAGE
L3-1, CT3
MW
TRACKING
L4
LW
FREQUENCY
COVERAGE
L3-2, CT5
LW
TRACKING
T1
AM IF
T2
FM IF
Z PUSH
OPEN/CLOSE
Q61
CURRENT 
REG
Q12
MW/LW
HIGH-CUT
SWITCH
Page of 52
Display

Click on the first or last page to see other CFD-EX35L service manuals if exist.