JVC PC-XT7 B Service Manual

PC-XT7 B/E
(FEATURES ZF EF |
- Multi-function Twin-CD portable system with
remote contro} unit.
= B / E e Twin-CD player with programmable play of up to 20
tunes/repeat_play/random play/intro play functions.
© 8-cm (3-3/16") "CD singles" capability.
2. MW/LW/FM-stereo PLL synthesizer tuner.
@ 20-station preset tuning (FM-10, MW-5, LW-5).
Pt e Seek /Manual tuning.
3. Synchro-record start for CD _ recording
convenience.
4. Double-cassette mechanism (Deck A for recording
and playback, Deck B for playback).
@ Auto-reverse mechanism for Deck B.
© Dolby *B Noise Reduction System.
Metal and CrO2 tape can be played back, for
superior tone quality.
e Synchro start dubbing function (normal/high-speed
dubbing).
@ Relay playback (from Deck B to Deck A).
. Timer recording/playback and sleep functions.
. "LIVE EFFEX" sound system for the reproduction
of an expanded sound field.
. Hyper-Bass sound system with 3D super woofer.
5-Band graphic equalizer (S.E.A.) controls.
COMPACT
U.K * 'Dolby noise reduction manufactured under license from Dolby
| B veeeeeee os Laboratories Licensing Corporation.
E Continental Europe "DOLBY" and the double-D symbol DQ are trademarks of Doiby
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Contents
Page Page
HM Safety Precautions .............cc:cesseeceeeneceeeeeeeetees 2 [5] Standard Schematic Diagram and
M@ Instructions (Extraction) ...............c. ce cseeeeseeeeer eee 5 Location of P.C. Board
[1] Location of Main Parts
...............cceceseeeseeneeneee 17
Tuner (DUS 5.0
icah cuter one siesetaecaideicsesccteapataatins 36
Removal of Main Parts/Exploded View and Parts List Power Amplifier ...............ccccceceeeeenteneeeeeseoeseenes 38
Receiver Section ............:ccecsseceeceeeeeenssaneesentrase 19 Pre@- Amplifier: ais ciccciccececads cvensececencersdececeaennet sues 40
Speaker Box Section ...............:.cseeeeeeeeeeeeee ene nes 25 CD Control cccc3ttccekeieet ate. cecchien idee dace ia ees 42
'CD Mechanism Section ................ceceeeeceneeeeenene 26 CD Amplifiet:....secic.ccseccecscadseuacteasesatiesesadeedinceiss 44
Cassette Mechanism Section ..................:.ceeeeee 27 FUNnCHON ssc chentse cosines adeece adceeepeagebins feusiiene tus 46
[3] Main Adjustments [6] Wiring Connections ...........c:.:ccceceeseeetesteeteees 48
Tuner Section ...........ccccececceeceeneecesseeceseeeeeeeneees 28 P.C. Board Parts List ..............cccseeeecseeeeeseeneneees 49
Cassette Section ...........cceeceeceeeeeeseneeestanenennens 31 Packing and Parts List .........::csccecceccseeseeeeseeeees 60
ECD SOCtiOn® iisscs fis stsees sing eiatsateas tase teva sdeaeveewees « 34 By Specifications: sccicinccsececascctcccteeceecdccsededeveswansces 61
[4] Block Diagram .........::escceecceeseeeseeeeeeeteeeeeeeeeeeee 35
No. 1844
November 1991