Sony CFS-1058 / CFS-1058S Service Manual ▷ View online
– 9 –
Tape Speed Adjustment
Procedure :
Mode : Playback
Adjustment Values :
Speed checker
Digital frequency counter
±3%
2,910 to 3,090Hz
Frequency difference between the beginning and the end of the tape
should be within 1% (30Hz).
should be within 1% (30Hz).
Adjustment Location :
set
test tape
WS-48A
(3kHz, 0dB)
WS-48A
(3kHz, 0dB)
32
Ω
speed checker
LFM-30 or
digital frequency
counter
LFM-30 or
digital frequency
counter
phones jack
tape speed adjustment
control inside motor
control inside motor
TUNER SECTION
• Switch location
FUNCTION switch
• • • • • • • • • • • •
RADIO (CFS-1058S)
PRESET MODE
• • • • • • • • • • • • • • • •
MANUAL
GRAPHIC EQUALIZER
• • •
center click
BALANCE
• • • • • • • • • • • • • • • • • • • • • • • •
center click
VOLUME
• • • • • • • • • • • • • • • • • • • • • • • • • •
MAX
MEGA BASS
• • • • • • • • • • • • • • • • • • • •
mechanical center
MW Section
Procedure :
FUNCTION switch
: AM (CFS-1058)
BAND switch
: MW (CFS-1058S)
FINE TUNE control
: mechanical center (CFS-1058S)
CFS-1058S
SW Section
Procedure :
BAND switch
: SW1, SW2
FINE TUNE control
: mechanical center
FM Section
Procedure :
FUNCTION switch
: FM (CFS-1058)
BAND switch
: FM (CFS-1058S)
FINE TUNE control
: mechanical center (CFS-1058S)
• Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
done by the trimmer capacitors.
AM RF signal
generator
generator
30% amplitude modulation by 400Hz
signal.
Output level : as low as possible
signal.
Output level : as low as possible
Put the lead-wire
antenna close to
the set.
antenna close to
the set.
FM RF signal
generator
generator
telescopic
antenna
terminal
antenna
terminal
0.01
µ
F
22.5kHz frequency deviation
by 400Hz signal.
Output level : as low as possible
by 400Hz signal.
Output level : as low as possible
set
32
Ω
phones jack
level meter
AM RF signal
generator
generator
telescopic
antenna
terminal
antenna
terminal
12PF
30% amplitude modulation
by 400Hz signal.
Output level : as low as possible
by 400Hz signal.
Output level : as low as possible
– 10 –
FM VCO Adjustment
Procedure :
1. Connect the frequency counter to 4 and 7 pins of IC1 as shown
the figure below.
2. Turn the set to 98MHz.
3. Adjust RV1 for 76kHz ±500Hz reading on frequency counter.
3. Adjust RV1 for 76kHz ±500Hz reading on frequency counter.
AM IF ALIGNMENT
Adjust for a maximum reading on level meter.
T1
455kHz
AM (MW) FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L4
520kHz
CT4
1,680kHz
AM (MW) TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L3
600kHz
CT3
1,400kHz
CFS-1058S
SW1 FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L6
2.2MHz
CT6
7.3MHz
SW1 TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L5
2.2MHz
CT5
7.3MHz
SW2 FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L8
6.8MHz
CT8
22.5MHz
SW2 TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L7
6.8MHz
CT7
22.5MHz
FM FREQUENCY COVERAGE ADJUSTMENT
Adjust for a maximum reading on level meter.
L2
86.5MHz
CT2
109.5MHz
FM TRACKING ADJUSTMENT
Adjust for a maximum reading on level meter.
L1
86.5MHz
CT1
109.5MHz
FM RF signal
generator
generator
Carrier frequency : 98MHz
Modulation : no modulation
Output level : 0.032V (90dB)
Modulation : no modulation
Output level : 0.032V (90dB)
telescopic
antenna
terminal
antenna
terminal
set
0.01
µ
F
[TUNER BOARD]
(Conductor side)
(Conductor side)
[TUNER BOARD]
(Conductor side)
(Conductor side)
CFS-1058
CFS-1058S
CF2
C7
C9
C12
C15
C11
CF1
CF4
1
2
3
1
2
3
1
2
3
1
5
10
15
30
25
20
16
frequency counter
1
µ
F
33k
Ω
IC1
1
5
10
15
30
25
20
16
CF2
C10
C12
C15
C18
C14
C5
CF3
CF1
IC1
frequency counter
1
µ
F
33k
Ω
– 11 –
– 12 –
– 14 –
– 13 –
– 15 –
CFS-1058/1058S
CFS-1058
Adjustment Location : Tuner board (Component side)
T1 : AM IF Alignment
CT4 : AM Frequency Coverage Adjustment
CT2 : FM Frequency Coverage Adjustment
L2 : FM Frequency
Coverage Adjustment
Coverage Adjustment
L4 : AM Frequency Coverage Adjustment
RV1 : FM VCO Adjustment
CT3 : AM Tracking Adjustment
CT1 : FM Tracking Adjustment
L1 : FM Tracking Adjustment
L3 : AM Tracking Adjustment
CFS-1058S
Adjustment Location : Tuner board (Component side)
T1 : AM IF Alignment
CT4 : MW Frequency Coverage Adjustment
CT2 : FM Frequency Coverage Adjustment
L2 : FM Frequency
Coverage Adjustment
Coverage Adjustment
CT8 : SW2 Frequency Coverage Adjustment
L8 : SW2 Frequency
Coverage Adjustment
Coverage Adjustment
L4 : MW Frequency
Coverage Adjustment
Coverage Adjustment
CT6 : SW1 Frequency
Coverage Adjustment
Coverage Adjustment
L6 : SW1 Frequency
Coverage Adjustment
Coverage Adjustment
RV1 : FM VCO Adjustment
L5 : SW1 Tracking Adjustment
CT5 : SW1 Tracking Adjustment
CT7 : SW2 Tracking Adjustment
L7 : SW2 Tracking Adjustment
L3 : MW Tracking Adjustment
CT3 : MW Tracking Adjustment
CT1 : FM Tracking Adjustment
L1 : FM Tracking Adjustment
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAMS
• Signal path.
F
: FM
E
: PB (L-CH)
d
: PB (R-CH)
a
: REC (L-CH)
G
: REC (R-CH)
N
: MIC
– 18 –
– 19 –
– 16 –
– 17 –
– 20 –
CFS-1058/1058S
r
CIRCUIT BOARD LOCATION
abmnxy
`almamm
TUNER board
FUNCTION SWITCH board
POWER board
MAIN VOLUME board
MIC VOLUME board
MAIN board
D1
(CFS-1058)
B-3
D1
(CFS-1058S)
F-5
D2
(CFS-1058)
B-3
D2
(CFS-1058S)
F-5
D3
(CFS-1058)
E-4
D3
(CFS-1058S)
J-4
D5
J-4
D301
H-17
D302
E-17
D303
D-17
D304
D-17
D305
E-16
D331
D-17
D332
E-16
D333
E-16
D334
E-16
D335
E-16
D336
E-16
D337
D-16
D338
E-16
D339
E-16
D340
F-14
D401
H-11
D402
G-11
D403
G-11
D404
H-11
D405
G-11
D406
G-11
D407
H-11
D408
G-11
D409
G-11
D410
H-11
D411
G-11
Ref. No.
Location
r
SEMICONDUCTOR
LOCATION
Ref. No.
Location
D412
G-12
D413
H-11
D414
G-12
D415
G-12
D416
H-13
D417
H-13
D418
H-14
D419
H-14
D420
H-14
D901
E-22
D902
E-22
D903
E-22
D904
E-22
IC1
(CFS-1058)
C-2
IC1
(CFS-1058S)
H-2
IC301
E-15
IC302
G-14
IC303
G-17
Q1
(CFS-1058)
B-2
Q1
(CFS-1058S)
J-5
Q2
H-1
Q101
H-17
Q201
G-16
Q301
D-14
Q302
D-17
Q303
D-17
Q304
F-15
Q305
D-16
Q307
E-17
Q308
H-9
Q401
H-13
Q402
G-12
Q603
H-10
5-2. PRINTED WIRING BOARDS
Note:
• X
: parts extracted from the component side.
• b
: Pattern from the side which enables seeing.
A
B
C
D
E
F
G
H
I
J
K
B
E
B
E
B
E
B
E
R362
S301
FUNCTION
TAPE (RADIO OFF)
RADIO
CD / TV
LINE IN
LINE IN
S301
FUNCTION
TAPE (RADIO OFF)
AM
CD / TV
LINE IN
LINE IN
FM
-1
1
5
8
-2
-1
-2
1-662-541-
11
(11)
1-662-541-
11
(11)
[ ]
[ ]
FUNCTION SWITCH
BOARD
[ POWER BOARD ]
FUNCTION SWITCH
BOARD
1
1
2
5
9
1
1
5
10
13
1
4
1
6
5
1
1
2
4
3
5
8
9
CFS-1058S
CFS-1058
1
2
W706
1
2
1-662-540-
DRY BATTERY
SIZE “ D ”
(IEC DESIGNATION R20)
6PCS, 9V
S901
VOLTAGE SELECTOR
110 – 120V N 220– 240V
J901
AC IN
⁄
T901
POWER
TRANSFORMER
11
(11)
[ MAIN BOARD ]
[ MIC VOLUME BOARD]
[ MAIN VOLUME BOARD ]
CFS-1058S
CFS-1058S
CFS-1058
CFS-1058S
D335
D334
D336
R331
R332
R333
D339
D338
D337
R336
CNP303
Q302
Q303
D331
B
E
B
E
C364
CNP302
M
S501
(MD POWER)
M501
MOTOR
R142
R143
R242
IC303
(IMPEDANCE 3.2
Ω
)
J304
SPEAKER
RIGHT
LEFT
SP201
SPEAKER
(WOOFER)
SPEAKER
(WOOFER)
SP101
SPEAKER
(WOOFER)
SPEAKER
(WOOFER)
SP202
SPEAKER
(TWEETER)
SPEAKER
(TWEETER)
SP102
SPEAKER
(TWEETER)
SPEAKER
(TWEETER)
R – CH
L – CH
1-662-539-
11
(11)
1-662-542-
11
(11)
1-662-543-
11
(11)
1
3
1
1
5
11
12
15
20
22
1
3
3
1
3
VR601
MIC VOL
VR301
VOLUME
W708
CNP305
W701
R
L
J301
CD / TV
LINE IN
LINE IN
VR302
J601
MIX MIC
S401
PRESET MODE
LIVE N PARTY N DISCO N MANUAL
-1
-2
IC302
5
10
12
20
13
15
24
1
IC301
S302
REC
PB
-1
-2
1
1
2
3
4
4
CNP301
L – CH
HRP901
RECORD / PLAYBACK
HEAD
R – CH
10kHz
4kHz
400Hz
1kHz
MEGA BASS
BALANCE
5 BAND GRAPHIC EQUALIZER
J303
PHONES
D301
OPR / BATT
R144
R244
R425
R424
R423
R340
D340
R339
Q304
T301
B
E
R337
R338
B E
B E
JW113
R420
R419
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
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