Sony XRC-5080-R Service manual
XR-C5080R/C5090R
SERVICE MANUAL
Photo: XR-C5090R
SPECIFICA TIONS
AEP Model
UK Model
Model Name Using Similar Mechanism XR-5800R
Tape T ransport Mechanism T ype MG-25G-136
MICROFILM
FM/MW/LW CASSETTE CAR STEREO
TABLE OF CONTENTS
1. GENERAL
Location of Controls ....................................................... 3
Setting the Clock ............................................................. 3
Using the Rotary Commander ........................................ 4
Adjusting the Sound Characteristics .............................. 4
Attenuating the Sound .................................................... 4
Changing the Sound and Beep Tone............................... 4
Installation....................................................................... 5
Connections ..................................................................... 6
2. DISASSEMBLY ......................................................... 9
3. ASSEMBLY OF MECHANISM DECK........... 11
4. MECHANICAL ADJUSTMENTS....................... 14
5. ELECTRICAL ADJUSTMENTS
Test Mode........................................................................ 14
Tape Deck Section .......................................................... 14
Tuner Section .................................................................. 15
6. DIAGRAMS
6-1. Printed Wiring Boards – MAIN Section – .................... 18
6-2. Schematic Diagram – MAIN Section –.......................... 21
6-3. Printed Wiring Board – PANEL Section – .................... 26
6-4. Schematic Diagram – PANEL Section –....................... 28
6-5. IC Pin Function Description ........................................... 34
Flexible Circuit Board Repairing
• Keep the temperature of the soldering iron around 270 ˚C during repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be damaged by heat.
7. EXPLODED VIEWS ................................................ 37
8. ELECTRICAL PARTS LIST ............................... 40
– 2 –
SECTION 1
GENERAL
This section is extracted from
instruction manual.
– 3 –
– 4 –
– 5 –
– 6 –
– 7 –
– 8 –
SECTION 2
DISASSEMBLY
Note: Follow the disassembly procedure in the numerical order given.
FRONT PANEL ASS’Y
1
Push the button
(release).
COVER ASS’Y
1
2
Remove the front panel ass’y
to the direction of the arrow
2
A
A
.
cover ass’y
3
– 9 –
2
1
SUB PANEL, MECHANISM DECK (MG-25G-136)
e
)
3
connector
(CN352)
2
sub panel
1
three screws
(PTT2.6 × 8)
5
screw
(PTT2.6 × 6)
6
4
mechanism deck
(MG-25G-136)
flexible flat cabl
(CN351)
1
three screws
(PTT2.6 × 8)
MAIN BOARD, HEAT SINK
4
MAIN board
3
two ground point
screws
2
rubber cap (25)
5
two screws
(PTT2.6
×
14)
6
three screws
(PTT2.6
×
10)
1
screw
(PTT2.6
×
8)
6
three screws
(PTT2.6
7
heat sink
×
10
– 10 –
1
two screws
(PTT2.6
×
8)
SECTION 3
ASSEMBLY OF MECHANISM DECK
Note: Follow the assembly procedure in the numerical order given.
5
HOUSING
4
Fit claw on B part.
3
Put the housing
under A part.
housing
2
Install the hanger onto
two claws of the housing.
Fit projection on C part.
C
part
7
Holder the hanger by bending the claw.
1
Install the catch to the hanger.
hanger
6
Fit projection on D part.
8
Hold the hanger by
bending the claw.
D
part
ARM (SUCTION)
A
projection
part
B
part
2
Move the arm (suction) in the arrow
direction and fit on projection.
1
Fit the arm (suction) on the shaft.
– 11 –
LEVER (LDG-A) / (LDG-B)
shaft
A
1
Fit the lever (LDG-A) on
shafts A – C and install it.
shaft
B
shaft
C
3
type-E stop ring 2.0
shaft
A
Fit the lever (LDG-B) on
2
shafts
install it.
A
and B and
shaft
B
GEAR (LDG-FT)
hole
hole
gear (LDG-D)
lever (LDG-A)
gear (LDG-FB)
4
Align hole in the gear (LDG-D)
with hole the lever (LDG-A).
2
tension spring (LD-2)
5
gear (LDG-FT)
1
6
polyethylene washer
2
tension spring (LD-1)
– 12 –
3
Move the lever (LDG-B)
in the arrow direction.
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