DOWNLOAD Sony WX-4500X Service Manual ↓ Size: 6.46 MB | Pages: 61 in PDF or view online for FREE

Model
WX-4500X
Pages
61
Size
6.46 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
wx-4500x.pdf
Date

Sony WX-4500X Service Manual ▷ View online

17
WX-4500X
2
 Move the arm (suction) in the arrow
Direction and fit on projection.
1
 Fit the arm (suction) on the shaft.
projection
SECTION 3
ASSEMBLY OF MECHANISM DECK
Note : Follow the assembly procedure in the numerical order given.
3-1. HOUSING
3-2. ARM (SUCTION)
7
 Holder the hanger by bending the claw.
1
Install the catcher to the hanger.
2
 Install the hanger onto
two claws of the housing.
3
 Put the housing
under 
A
 part.
6
 Fit projection on 
D
 part.
4
 Fit claw on 
B
 part.
5
 Fit projection on 
C
 part.
8
 Hold the hanger by
bending the claw.
hanger
housing
D
 part
head
C
 part
B
 part
A
 part
Head, Housing
Arm (Suction)
Guide (U)
Main Motor Assy
Lever (LDG-A) / (LDG-B)
Gear (Loading FT)
Note : This set can be assemble according to the following sequence.
18
WX-4500X
3-3. LEVER (LDG-A) / (LDG-B)
3-4. GEAR (LOADING FT)
1
 Fit the lever (LDG-A) on
shafts 
A
 to 
C
 and install it.
2
 Fit the lever (LDG-B) on
shafts 
A
 and 
B
 and install it.
3
 type-E stop ring 2.0
shaft 
A
shaft 
C
shaft 
A
shaft 
B
shaft 
B
5
 Align hole in the gear (LDG-D)
with hole the lever (LDG-A).
4
 Move the lever (LDG-B)
in the arrow direction.
2
 tension spring (LD-2)
1
3
 tension spring (LD-1)
7
 polyethylene washer
6
 gear (loading FT)
gear (LDG-D)
gear (LDG-FB)
lever (LDG-A)
hole
hole
19
WX-4500X
3-5. GUIDE (U)
3-6. MAIN MOTOR ASSY
1
 claws
2
 guide (C)
3
 belt (25)
2
 precision screws P 2x2
1
 main motor assy
(CAPSTAN/REEL) (M904)
30
°
20
WX-4500X
set
frequency counter
test tape
WS-48A
(3 kHz, 0 dB)
SP OUT
4
PRECAUTION
1. Wipe the following components with an absorbent cotton cloth
moistened with alcohol before adjustment :
PB head
Pinch roller
Idler
Rubber belt
Capstan
2. Demagnetize the PB head using a head demagnetizer.
3. Be careful not to use a magnetized screwdriver.
4. After the adjustment is completed, lock the adjustment parts
using screws.
5. Unless otherwise specified, make adjustments at the specified
voltage (14.4 V).
Torque Measurement
Mode
Torque Meter
Meter Reading
2.95 – 6.37 mN • m
FWD
(30 – 65 g • cm)
CQ-102C
(0.42 – 0.90 oz • inch)
FWD
0.05 – 0.44 mN • m
Back Tension
(0.5 – 4.5 g • cm)
(0.01 – 0.06 oz • inch)
2.95 – 6.37 mN • m
REV
(30 – 65 g • cm)
CQ-102RC
(0.42 – 0.90 oz • inch)
REV
0.05 – 0.44 mN • m
(0.5 – 4.5 g • cm)
Back Tension
(0.01 – 0.06 oz • inch)
5.88 – 19.61 mN • m
FF, REW
CQ-201B
(60 – 200 g • cm)
(0.83 – 2.78 oz • inch)
Tape Tension Measurement
Mode
Tension Meter
Meter Reading
FWD
CQ-403A
more than 90 g
REV
CQ-403R
(more than 3.17 oz)
SECTION 5
ELECTRICAL ADJUSTMENTS
SECTION 4
MECHANICAL ADJUSTMENTS
  TAPE SECTION
Tape Speed Adjustment
Mode : FWD play
0 dB = 0.775 V
Tape Speed Adjustment
-Tape Mechanism Block upper side-
Adjustments of the tuner and CD sections have auto adjustments
in this set.
Test tape
Type
Signal
Use
WS-48A
3 kHz, 0 dB
Tape speed adjustment
P-4-D400
400 Hz, 0 dB
Dolby level adjustment
Procedure:
1. Playback the test tape in the FWD play mode.
2. Verify that the reading on the digital frequency counter is in the
range between 3,010 and 3,300 Hz at the top of tape.
3. If the specified value is not met, adjust the variable resistor on
the capstan motor so that the reading is 3,000 Hz at the FWD
top of tape.
Adjustment Location :
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