Sharp GF-777H Service Manual

ATSM881115RCS
GF-777H
GF-777E
In the interests of user-safety the set should be
restored to its original condition and only parts
identical to those specified be used.
PHOTO: GF-777H
FEATURES
Multi-Amp 3-Way 6-Speaker System Massive 90W PMPO
Dynamic Super Woofer Sound
16cm (6%"") Woofer with Rigid Speaker Ring
Horn Tweeter for Clear, Crisp Highs
Two Decks Side by Side, for Versatile Record/Playback
Soft-Touch Cassette Controls
Brilliant Metal Tape Sound
APLD (Auto Program Locate Device)
Sharp Super Noise Reduction System
INDEX TO CONTENTS
SPECIFIGATIONS, qos st oe cypress EB epee coals «ARR 6 gstet R amepegs Cee eee see eee 2
POWER SUPPLY/AG-SUPPLY. VOLTAGE.SELECTOR, wo:.:0.00 ctecesegure cence w canes 2
NAMES OF PARTS a isdseercveSpeiocoyeptasicss) oy tyecaj can Rhee dceelshces Se Spneysbaqnpe wien decd Spader 3,4
DISASSEMBLY ........ 1G Dien Ot Bmaeta Kae Cm oeghs se We Te Dee elame ee 4~7
BLOCK. DIAGRAM. a c.cccseccsberamesremeannn cewenceuot ee weuaseoaguines 8,9
MECHANICAL. ADJUSTMENT sacncacce cia caae cee cane e cn deen ene nee ns 10
ELECTRICAL ADJUSTMENT oc cccacccsedandaden ines wee eneeeedaae a 11 ~16
NOTES ON SCHEMATIC: DIAGRAM, 2. ooo: 20s ciuiaeeanae cameee maamerdmanc aware 17
SERVICING OF LEG-LESS TYPE RESISTORS AND CAPACITORS ......... 17,18
SCHEMATIC DIAGRAM) «.c5sc0ica.eeswevis vieeee ee Getions ees 19, 20, 23, 24
WIRING SIDE OF PRINTED WIRING BOARD .................. 21,22,25 ~29
CABINET EXPLODED VIEW ca. .000 0 0tihate teener. Sasserln. me Laaosio cael 30 ~ 32
MECHANISM EXPLODED: TOP VIEW ... ..e¢cin oc. teu aide wagation «.aeum Dee ds 33
MECHANISM EXPLODED BUTTOM VIEW *. aiiceccs deaiwen Oo setae se aarties 34
DIAL CORDS TRINGING ic ajsccise tes a: 0 se a: PROMS cin, SEES AOR, IE ses Ole CNS 35
AG SUPPLY: CORID) aco: cctnsy-r steps: appeal oa wo OOS: AAS PENNS wei". te oaibecs lta 35
EQUIVALENT CIRCUIT OF INTEGRATED CIRCUIT .................... 36, 37
PACKING METHOD (GE-777E Only) ose: ccniseewennees snceeeeobe wd ee: oak 38
REPLACEMENT PARTS: LIST weiss nace sescyey eect sa sea oaunate emi erage os win 39 ~ Back
GF-7