Akai GXF 25 Service Manual
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Extracted text from Akai GXF 25 Service Manual (Ocr-read)
Page 1
STEREO CASSETTE DECK
MODEL GX' F2 5
THIS MODEL IS APPLICABLE TO BOTH SILVER AND BLACK PANEL MODEL
SECTION 1 SERVICE MANUAL ................... 3
SECTION 2 PARTS LIST ......................... 23
SECTION 3 SCHEMATIC DIAGRAM ................ 38
Page 2
SECTION 1
SERVICE MANUAL
TABLE OF CONTENTS
I. TECHNICAL DATA ........................................................ 4
ll. DISMANTLING OF UNIT .................................................... 5
III. CONTROLS ............................................................. 6
IV. PRINCIPAL PARTS LOCATION ............................................... 7
V. VOLTAGE AND CYCLE CONVERSION .......................................... 8
1. VOLTAGE CONVERSION ................................................ . 8
2. CYCLE CONVERSION .................................................... 8
VI. MECHANICAL ADJUSTMENT ................................................ 9
1. FLYWHEEL LOOSE PLAY ADJUSTMENT ...................................... 10
2. PLUNGER POSITIONING .................................................. 10
3. PINCH ROLLER PRESSURE MEASUREMENT ................................... 10
4. VARIOUS TORQUE MEASUREMENT ......................................... 10
5. TAPE SPEED ADJUSTMENT ................................................ 10
VII. HEAD ADJUSTMENT ..................................................... . ll
1. TAPE GUIDE HEIGHT ADJUSTMENT ........................................ . 11
2. RECORDING/PLAYBACK HEAD HEIGHT ADJUSTMENT ........................... 1 l
3. RECORDING/PLAYBACK HEAD AZIMUTH ALIGNMENT ADJUSTMENT ................ 1 1
VIII. ELECTRICAL ADJUSTMENT ................................................ . 12
IX. DC RESISTANCE OF VARIOUS COILS ......................................... . 15
X. CLASSIFICATION OF VARIOUS P.C BOARDS ..................................... 16
1. PC BOARD TITLES AND IDENTIFICATION NUMBERS ......................... . . 16
2. COMPOSITION OF VARIOUS P.C BOARDS .................................. _ . 17
For basic adjustments, measuring methods, and operating principles, refer to GENERAL TECHNICAL
MANUAL.