Pioneer CT-777 - Service Manual

d) PIONEER
The Art of Entertainment
ORDER NO.
ARP2217
STEREO
CASSETTE
DECK
CT=777
CT-777-S
Type
Power
Requirement
Remarks
a
CT-777-S
HEWM
ee
AC220V-230V,
230V-240V
(switchable)
*
* 7 oa the primary wiring of the power transformer.
@
This
manual
is
applicable
to
the
CT-777/HEM
and
CT-777—-S/HEWM
types.
@
As
to
the CT-777-S/HEWM
type,
refer
to
page
48.
@ Ce manuel pour le service comprend les explications de réglage en francais.
@
Este
manual
de
servicio
trata
del
método
ajuste
escrito
en
espajiol.
CONTENTS
1. EXPLODED VIEWS AND PARTS LIST ---++---+++-++++ 2
2 PACKING <ecce-cccccccsenscscccccscsccececencecsersesnccssscconse 9
3. SCHEMATIC DIAGRAMGee-sereercescescceccescctscceseeeces 10
4. P.C. BOARDS CONNECTION DIAGRAM ----------- 17
5. P.C.B’s PARTS LIST --ceeccescsscncesceocssccenecceeseveees 25
6. ADJUSTMENTS ----ececccsccscccesscsccccccetsscnserecescsees 30
6. REGLAGE --o-sceeeessseessseecssecsteeseecoeseaseenrenseesees 35
6. AJUSTE -eescccscsssesseseeeseessserssscesssseeessesecsseerses 40
7. IC DESCRIPTIONS ---c-eeerecesvecwecsrescsesessserceesenees 45
8. FOR CT-~777—S/HEWM TYPE ----esseecescecesceeveeres 48
9. SPECIFICATIONS ------cecececececerecscececerecesscecsesere 49
10. PANEL FACILITIES -+:------ccesccscccsccccccercccccsceossees 50
PIONEER ELECTRONIC CORPORATION = 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153, Japan
PIONEER ELECTRONICS SERVICE INC. P.O. Box 1760, Long Beach, California 90801 U.S.A.
PIONEER ELECTRONICS OF CANADA, INC. 505 Cochrane Drive, Markham, Ontario L3R 8E3 Canada
PIONEER ELECTRONIC [EUROPE] N.V. Keetberglaan 1, 9120 Beveren, Belgium
PIONEER ELECTRONICS AUSTRALIA PTY. LTD. 178-184 Boundary Road, Braeside, Victoria 3195, Australia TEL: [03] 580-9911
© PIONEER ELECTRONIC CORPORATION 1991 plage ee

Summary

Exploded Views and Parts List

Exterior Parts List

Mechanism Section Parts List

PCB Parts List

Main Unit Parts

Lists semiconductors, relays, coils, capacitors, resistors, and diodes for the Main Unit.

Main Unit Capacitors & Resistors

Adjustments

Mechanism Related Adjustments

Details adjustments for tape speed, door damper, and tape running/azimuth.

Electrical Adjustments Overview

Overview of playback and recording electrical adjustments.

Playback Adjustments

Details head azimuth and playback level adjustments.

Recording Adjustments

Details bias, level, meter, and Auto BLE adjustments.

Specifications Overview

Performance Specifications

Details head, motor, wow/flutter, frequency response, SNR, noise reduction, distortion, and I/O specs.

Power and Physical Specifications

Panel Facilities Overview

Front Panel Power & Tape Controls

Front Panel Metering & Display Controls

Front Panel Audio & Operation Controls

Front Panel Bias & Auto BLE Controls

Pioneer CT-777 Specifications

General

Type	3-head, single compact cassette deck
Track System	4-track, 2-channel stereo
Tape Type	type I, CrO2, Metal
Total Harmonic Distortion	0.8%
Heads	1 x record, 1 x playback, 1 x erase
Motor	1 x capstan, 1 x reel
Frequency Response	20Hz to 20kHz (Metal tape)
Dimensions	420 x 130 x 310 mm
Outputs	Line Out (RCA)
Inputs	Line