Alpine al 300 service manual

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SERVICE MANUAL mlpuge

STEREO
MSSETTE

DECK

-REVISED-

This Service Manual is applicable to manufacture's
Serial Numbers after 10710001.

ALPINE ELECTRONICS INC.

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Co ntents
Specifications ................................................................... 2
Parts Location and Disassembly Instructions ............................................ 3 to 5
Adjustment Procedures ........
Adjustment Locations .........
Replacement of Mechanical Parts .............................................. ...... 1 2
Trouble Shooting Guide .................................................... ,. . 13 to 15
Block Diagram ...........................
Parts Layout on P.C. Boards .................................................... 17 to 28
Wiring Diagram (1/2) ....................... ' 29 to 30
Wiring Diagram (2/2) (For MUIti Voltage Model) ....................................... 31 to 32
Wiring Diagram (2/2) (For Single Voltage Model) ...................................... 33 to 34
Schematic Diagram (1/2) ...................................................... 35 to 36
Schematic Diagram (1/2) Voltage Chart ............................... - ................ 37
Schematic Diagram (2/2) Voltage Chart ......... 38 to 42
Schematic Diagram (2/2) .................... 43 to 44
Electrical Parts List .......... 45 to 61
PackingAssemnyPartsList ......................... 62
PackingMethodVieW...............,.....................- ......................... 62
Exploded View (Cabinet) .................... 63 to 64
Cabinet Assembly Parts List .................. 65 to 66
Exploded View (Cassette Deck) .................................................. 67 to 68
Cassette Deck Assembly Parts List ................................................ 69 to 70
Semi-Conductor Lead Identifications .............................................. 71 to 72
Specrflcatlons
Type ............................ 4»track, 2 channel stereo cassette deck, front loading ertical type
Power Source .......................... AC 110/127/220/240V, 50/60 Hz (For multi ,tage model)
ACI20V, 60 Hz (For single voltage model)
Power Consumption ....................................................... 40W Max.
Tape Speed ...................................................... 4, 76 cm/sec. i1.5%
Wow & Flutter .......................................... 0.06% Max. (JIS WRMS playback)
0.19% Max. (DIN WRMS Flee/Play)
FF/R EW Time .................................................... 75 sec. max. (060)
Frequency Response . . . ................................ 30 Hz to 19 kHz (CrOZ/FeCr/Metal)
- 30 Hz to 17 kHz (Norm)
Rec/Play Head ............................... Ferrite core record and playback combination head
Erase Head ..................................................... Double gap ferrite core
Take Up Torque ........................... ' ...................... 40 gem (30 - 60 gcm)
Signal to Noise Ratio ........................................ 56 dB (Dolby*NFl OFF, Metal)
64 dB (Dolby NR 0N, Metal)
Distortion ......................................................... 2% max. (Metal)
Input Sensitivity ............... Mic: 0.3mV, Line: 100mV, Din (For multi»voltage model): 0.1mV/K ohm
Output ............ Line: 1000 mV, Headphone: 100mV
Load Impedance ....................................... Line: 100K ohm, Headphone: 8 ohm

Semiconductors Used. . , 6 ICs, 118 Transistors, 17 FETs, 90 Diodes, 3 Zener Diodes, (For multi-voltage model)

6 (Cs, 115 Transistors, 15 FETs, 88 Diodes, 3 Zener Diodes [For single voltage model)
Dimensions ............................................. 435 (W) x 120 (H) x 300 (D) mm
Weight ................................................................... 8.7 kg

DCl-®

Noise reduction system manufactured under licence from Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.

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