DOWNLOAD Sony CFD-S36 (serv.man2) Service Manual ↓ Size: 5.37 MB | Pages: 51 in PDF or view online for FREE

Model
CFD-S36 (serv.man2)
Pages
51
Size
5.37 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cfd-s36-sm2.pdf
Date

Sony CFD-S36 (serv.man2) Service Manual ▷ View online

11
CFD-S36
3-10. PRE BOARD
3-11. BELT, M801 (CAPSTAN/REEL MOTOR), HRP301 (HEAD, MAGNETIC)
1
 BVTT 2x6
4
 PRE board
claw
claw
2
3
 Removal the solders.
mechanism deck
1
 screws 
     B 2.6 
×
 5
4
 M801
(capstan/reel motor)
2
3
 belt
5
 claws
6
 HRP301 (head, magnetic)
12
CFD-S36
3-12. OPTICAL PICK-UP
1
 claws
4
 claw
5
 gear (A)
2
 claws
6
 claw
7
8
 sled shaft
9
 optical pick-up
3
 cover, CD
13
CFD-S36
jack (J321)
set
32 
test tape
WS-48A
(3 kHz, 0 dB)
digital frequency
counter
  TAPE SECTION     0 dB = 0.775 V
• Standard Output Level
Output terminal
HP OUT
load impedance
32 
output signal level
0.25 V (–10 dB)
• Test Tape
Type
Signal
Used for
WS-48A
3 kHz, 0 dB
tape speed adjustment
Tape Speed Adjustment
Procedure:
Mode: playback
PRECAUTION
1. Clean the following parts with a denatured-alcohol-moistened
swab :
record/playback head
pinch roller
erase head
rubber belts
capstan
idlers
2. Demagnetize the record/playback head with a head demagne-
tizer. (Do not bring the head magnetizer close to the erase head.)
3. Do not use a magnetized screwdriver for the adjustments.
4. The adjustments should be performed with the rated power
supply voltage (9V) unless otherwise noted.
Torque Measurement
Mode
Torque meter
Meter reading
2.95 – 6.86 mN • m
FWD
CQ-102C
(30 – 70 g • cm)
(0.42 – 0.97 oz • inch)
FWD
0.15 – 0.53 mN • m
Back Tension
CQ-102C
(1.5 – 5.5 g • cm)
(0.021 – 0.076 oz • inch)
more than 5.88 mN • m
FF
CQ-201B
(more than 60 g • cm)
(more than 0.83 oz • inch)
more than 5.88 mN • m
REW
CQ-201B
(more than 60 g • cm)
(more than 0.83 oz • inch)
Tape Tension  Measurement
Mode
Tension meter
Meter Reading
FWD
CQ-403A
more than 100 g
(more than 3.53 oz)
SECTION 5
ELECTRICAL ADJUSTMENTS
SECTION 4
MECHANICAL ADJUSTMENTS
Adjust so that the value on the digital frequency counter is
3,000 Hz.
Specification Value:
Digital frequency counter
2,940 to 3,060 Hz
Adjust so that the frequency at the beginning and that at the end of
tape winding are between 2,970 to 3,030 Hz.
Adjustment Location:
Tape speed adjustment 
control inside motor
14
CFD-S36
FM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T2
10.7 MHz
FM FREQUENCY COVERAGE
ADJUSTMENT
Frequency Display
87.5 MHz
108 MHz
Reading on Digital voltmeter
1.3 ± 0.3 V
3.0 ± 0.2 V
Adjustment Part
<confirmation>
L2
FM TRACKING  ADJUSTMENT
Adjust for a maximum reading on level meter.
L1
CT1
87.5 MHz
108 MHz
AM IF ADJUSTMENT
Adjust for a maximum reading on level meter.
T1
450 kHz
AM FREQUENCY COVERAGE
ADJUSTMENT
Frequency Display
530 kHz
1,710 kHz
Reading on Digital voltmeter
1.0 ± 0.1 V
5.3 ± 0.7 V
Adjustment Part
L4
<confirmation>
AM TRACKING  ADJUSTMENT
Adjust for a maximum reading on level meter.
L3
CT3
620 kHz
1,400 kHz
digital
voltmeter
100 k
TP (VT)
i
 jack (J321)
set
32 
level meter
(range: 0.5–5 V ac)
Put the lead-wire
antenna close to
the set.
AM RF signal
generator
TP (JW2)
FM RF signal
generator
0.01 
µF
set
  TUNER SECTION     0 dB = 1 µV
• FM Section
Setting:
RADIO (BAND) button: FM
75 kHz frequency
deviation by 1 kHz signal
output level : as low as possible
• AM Section
Setting:
RADIO (BAND) button: AM
30% amplitude
modulation by
400 Hz signal
• Connecting Level Meter (FM and AM)
• Connecting Digital Voltmeter (FM and AM)
• Repeat the procedures in each adjustment several times, and the
frequency coverage and tracking adjustments should be finally
done by the trimmer capacitors.
Adjustment Location: See page 14.
Page of 51
Display

Click on the first or last page to see other CFD-S36 (serv.man2) service manuals if exist.