Akai GX-F25

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SECTION 1
SERVICE MANUAL
TABLE OF CONTENTS
TECHNICAL DA TA 55:55, Sistas: ole ey enet nck Ma ae reas ole dace wore ee a Pied oti eke: Gaal Be 4
DISMANTLING OF UNIT oc. ee eS sd bee Ee Stal aie el hea ee Sates See een et toe 5
CONTROES® 33s Bost e Sea Ss hee, oat hiels Fhe eer esas Mae A ee, es Rea 6
PRINCIPAL PARTS: LOCATION: |... xspe-Srese (ooh aS co enh Sle a ia se Seka ake hohd oe eMebte eer Shed .7
VOLTAGE AND CYCLE CONVERSION .. 0.0... ee nce eens 8
l VOLTAGE CONVERSION: sii eens eee os eel) hark we Ree wade eed od gts Wr tetcet he, ares 8
2 CY. CLE-CONVERSION) 005. sSuoee GS theo Soi RET eS EG ee Se Seite ad ees 8
MECHANICAL ADJUSTMENT ... 0... 0. eet eens 9
1. FLYWHEEL LOOSE PLAY ADJUSTMENT ... 2.0... 2. ee es 10
2:;PLUNGER POSITIONING: 3... sie Ses oe ee Aa ee WER eae at a a eee 10
3. PINCH ROLLER PRESSURE MEASUREMENT .... 0.20.0... 0 ec te es 10
4. VARIOUS TORQUE MEASUREMENT ....... 0.0.02. ee tee .10
5. "TAPE-SPEED-ADIUSTMENT emis 9<3 ire wet Weg ane ot eaters A ee tet AR pee SE aa 10
HEAD:ADJUSIMENT ‘4.202 tis hare 2p ee GA A a oa a AE ee ae eR a ety Hl
1. TAPE GUIDE HEIGHT ADJUSTMENT ... 0... ee ns 1]
2. RECORDING/PLAYBACK HEAD HEIGHT ADJUSTMENT ........... 00.00 0.0 00000. ee 11
3. RECORDING/PLAYBACK HEAD AZIMUTH ALIGNMENT ADJUSTMENT ..............-. 1
ELECTRICAL ADJUSTMENT ........ 0.0: ccc ccc rece eee eee ene eee n eee nets -12
DC RESISTANCE OF VARIOUS COILS ..... 2.0... tee 15
CLASSIFICATION OF VARIOUS P.C BOARDS ... 00.62. ee tee . 16
1. P.C BOARD TITLES AND IDENTIFICATION NUMBERS ..........-.... 0000005020006 16
2. COMPOSITION OF VARIOUS P.C BOARDS .. 00... 2. ee 17
For basic adjustments, measuring methods, and operating principles, refer to GENERAL TECHNICAL
MANUAL.