Alpine al 61 service manual

Page 2

Contents

Specifications ................................................................... 2
Parts Locations and Disassembly instructions ........................................... 3 to 5
Replacement of Mechanical Parts ................................................... 6 to 7
Block Diagram .................................................................. 8
Packing Assembly Parts List ......................................................... 9
Packing Method View .............................................................. 9
Adjustment Procedures ........................................................ 10 to 12
Adjustment Locations ...................................................... 13 to 14
Parts Layout on P.C. Board ................................................... . . 15 to 21
Wiring Diagram ........................................ i ..................... 22 to 23
Schematic Diagram .......................................................... 24 to 26
Electrical Parts List .......................................................... 7 27 to 37
Cabinet Assembly Parts List ........................................................ 38
Exploded View (Cabinet) ...................................................... 39 to 40
Exploded View (Cassette Deck) ..................................... L ............. 41 to 42
Cassette Deck Assembly Parts List .................................................. 43
Semi SpeCIfIcatIons
Power Source ........................................... 120V, 220 \I 240V, AC 50/60 Hz
Power Consumption ........................................................... 35W
Tape Speed ...................................................... 4.76 cm/sec. i1.5%
Wow & Flutter (JIS WRMS Playback Mode) .......................................... 0.05%
FF/REW Time (C-60) ........................................................ 100 sec.
Frequency Response ............ Norm: 30 Hz \r 17 kHz, 0'02: 30 Hz N18 kHz, Metal: 30 Hz N 19 kHz
Rec/Play Head ............................. Two gaps combination ferrite and hard'permalloy core
Erase Head .................................................... Double gaps ferrite core
Loadlmpedance.. . . . .. . . .. . . . . . . . .... ..... LineOut:lOOKohm,HeadPhone:80hm
S/N Ratio ........................................ NRvOff: Norm 55 dB, CrOZ/Metal: 57 dB
NR-B: Norm: 57 dB, Grog/Metal: 59 dB, Metal 50: 61 dB
NR-C: Norm: 63 dB, CrOz/Metalz 65 dB, Metal 50: 67 dB
Input Sensitivity ........................................................ Mic: 0.3mV
Line: 100mV
Output Level . . .' ............................... Line Out: 500mVil.5 dB, Head Phone: 65 mV
Stereo Separation ......................................................... 35 dB
Distortion .......
Semiconductors ......................... 7 IC's, 72 Transistors, 40 Diodes 10 Zener Diodes, 6 FETs
Dimensions .............................................. 435(W)x111(H)x 250(D) mm
Weight ................................................................... 4.5 Kg