Akai ASR-95 Service Manual
AUTO REVERSE CAR STEREO
RADIO CASSETTE
PLAYER WITH PLL
SYNTHESIZED TUNING
FULL DETACHABLE PANEL
Model:
ASR95
SERVICE MANUAL
www.akai.ru
CONTENTS
Page
Disassembly Instructions .................................................................................................................................3
Disassembly Diagram ......................................................................................................................................4
Operation Check ..............................................................................................................................................5
Block Diagram..................................................................................................................................................6
Alignment Locations.........................................................................................................................................7
Alignment Procedures......................................................................................................................................8
Printed Circuit Boards ......................................................................................................................................9
Wiring Diagram ............................................................................................................................................12
Exploded View (Panel)...................................................................................................................................13
Exploded View Parts List (Panel)...................................................................................................................14
Exploded View (Cabinet)................................................................................................................................15
Exploded View Parts List (Cabinet)................................................................................................................16
Schematic Diagram........................................................................................................................................17
Electrical Parts List.........................................................................................................................................18
Specifications .................................................................................................................................................21
2
DISASSEMBLY INSTRUCTIONS
1. Using the unlock key that came with the unit or a similar tool, unlock the Mounting Box and remove
toward the rear of the unit.
2. Remove the screw (A) located on the back of the top cabinet then remove the Top Cabinet.
3. Open the panel and remove the Trim Ring then remove two screws (B) from the Base.
4. Remove two screws (C) each side of the base then remove the Base.
5. Remove the screw (D) and remove the Antenna Clip.
6. Remove two screws (E) and remove the Wire Clip.
Remove two screws (F) from the Heat Sink then remove the Clip (A).
7. Remove two screws (G) from the deck front bracket and remove two screws (H) from the deck rear bracket
cabinet.
8. Remove two screws (I) from under the bottom cabinet and remove the Deck Front Bracket.
Remove two screws (J) from under the bottom cabinet then remove the Deck and the Deck Rear Bracket.
9. Remove two screws (K) from the heat sink then remove the Main Board.
10. Remove two screws (L) from the heat sink then remove the Heat Sink and the Bottom Cabinet.
3
DISASSEMBLY DIAGRAM
4
OPERATION CHECK
GENERAL SPECIFICATIONS OF SIGNAL
Standard frequency
Signal output
Modulation
AF output level FM/MW/LW
Power source voltage DC 14.0V (Backup voltage is the same as this)
AF load impedance 4 ohm pure resistance
Balance Center position of level
Tone Center position
The signal strength read in this section is voltage on the antenna.
Test Diagram
FM
MW
LW
FM
MW
LW
MW
FM Stereo
98.1 MHz (87.5, 108 MHz)
1000 kHz (522, 1620 kHz)
200 kHz (144, 288kHz)
1mV
5 mV
5 mV
400 Hz 30% MOD.
1 kHz 75 kHz DEV.
90% for L only or
R only pilot level 10%
5
BLOCK DIAGRAM
6
FM/AM TUNER
ALIGNMENT LOCATIONS
7
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