Sony CFD-G35 Service Manual ▷ View online
16
CFD-G35
Adjustment Location :
CT1: FM Tracking Adjustment
L1: FM Tracking Adjustment
L3: AM Tracking Adjustment
CT3: AM Tracking Adjustment
CNP1
L4: AM Frequency Coverage Adjustment
T1: AM IF Adjustment
T2: FM IF Adjustment
L2: FM Frequency Coverage Adjustment
[TUNER BOARD] (Component side)
IC1
IC2
TP CV
AM/FM Frequency Coverage Adjustment
AM/FM Frequency Coverage Adjustment
(Conductor side)
17
17
CFD-G35
Note on 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.
•
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
• 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
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.
CND : Canadian model.
E92
E92
: Chilean and Peruvian model.
MX
: Mexican model.
SP
: Singapore model.
• WAVEFORMS
– TUNER Section –
SECTION 5
DIAGRAMS
5-1. Circuit Boards Location
BATT board
CD board
PDW board
MAIN board
L-R/REG board
TC board
TRANS board
LCD board
BATT COM board
POWER board
TUNER board
HEADPHONE board
CONTROL (CD) board
CONTROL (POWER) board
CONTROL (VOL) board
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.)
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
Ver 1.3 2002. 09
Note:
The components identified by
mark
The components identified by
mark
0
or dotted line with mark
0
are critical for safety.
Replace only with part number
specified.
specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
0
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
Ne les remplacer que par une
pièce portant le numéro spécifié.
18
18
CFD-G35
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
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
REC
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
D951
D952
D953
D957
76
RESET
49
REG CHK
AUDIO 6V
Q955
Q951
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
VDD(5W)
9V
CD/RADIO+6V
3.3V
BUFFER
CND,AUS,AR,SP
Ver 1.3 2002. 09
19
19
CFD-G35
TUNER/CD Section
: FM
: 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
FERRITE-ROD
ANTENNA
D1
2
24
21
22
20
FM
MIX
FM RF I
FM RF O
FM OSC
AM RF
AM OSC
FM
OSC
AM
MIX
AM
OSC
OSC
4
MIX OUT
16
IF
BUFFER
CF2
CF4
7
6
FM IF
AM IF
FM
MPX
FM/AM
BUFFER
FM
DET
AM
DET
15
A
MPX
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
AM
VDD
XO
XI
CL
DI
DO
IF IN
MO/ST
6V
X1
75kHz
L-CH
RADIO 6V
CT1
L2
D2
RADIO 6V
CT3
RADIO 6V
D3
L4
ANTENNA
FM
TELESCOPIC
IC1
T1
18 LP OUT
16 PD
LPF
18
ST IND
8
ST IND
7
BAND
IFOUT
MPX
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, CT3
AM
TRACKING
L4
AM
FREQUENCY
COVERAGE
T1
AM IF
T2
FM IF
Z
PUSH
OPEN/CLOSE
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