Teac V-7000 Service Manual

TEAC.
SERVICE MANUAL
-7000,e./ V-5000
Stereo Cassette Deck
Remote Control Unit RC-394(V-7000) , RC-393( V-5000)
*Dolby noise reduction and HX PRO
headroom extension manufactured under
license from Dolby Laboratories Licensing
Corporation. HX PRO originated by Bang
and Olufsen. “Dolby”, the double-D
symbol and “HX PRO” are trademarks
of Dolby Laboratories Licensing Corpora-
tion.
*PILE-J 4 RZUFDT SLY RUAXIONAY BIU-L
TLIAFVVaVIFEILE—-SHRBbU-ASTRY
VPUIID—-RL—-VarMOOEMiBIC BIS RRS
NMTOES, HXTOND AO PLU KAILIE LOSE
ty.
x KILE— j, FDUDISRU'AX FOS RLE-S
RSRU-ASTRY YL II—KL—-Tarv OBR
RCT.
Effective
:
December,
1990
940705
5704050900
_

Teac V-7000 Specifications

General

Type	3-head, single compact cassette deck
Track System	4-track, 2-channel stereo
Tape Speed	4.76 cm/s
Tape Type	type I, CrO2, Metal
Frequency Response	20Hz to 20kHz (Metal tape)
Input	60mV (line)
Heads	3
Wow and Flutter	0.04% (WRMS)
Total Harmonic Distortion	0.8%
Inputs	Line
Outputs	Line, Headphones

Summary

Removal of External Components

Mechanical Adjustments and Checks

Tape Speed (V-5000 Only)

Procedure for adjusting and verifying tape speed for the V-5000 model.

Wow and Flutter (Playback Method)

Procedure for measuring and verifying wow and flutter using playback.

Reel Torque

Procedure for measuring and verifying reel torque for tape transport.

Electrical Checks and Adjustments

Adjustment Locations on Main PCB

Diagram and table showing adjustment points on the MAIN PCB.

Playback Performance

REC PLAY Head Azimuth Adjustment

Procedure for setting and checking the record/playback head azimuth.

Playback DOLBY Level Setting

Procedure for setting the Dolby level during playback.

Playback Output Level Check

Playback Frequency Response Check

Procedure for checking playback frequency response.

Playback S/N Ratio Measurement

Procedure for measuring and checking the playback signal-to-noise ratio.

Monitor Performance

Recording Performance

Bias Oscillator Frequency Check

Procedure for checking and adjusting the bias oscillator frequency.

Built-in Oscillator (Level/BIAS) Check

Record Bias Setting and Check

Procedure for setting and checking the record bias.

Record Level Setting and Check

Procedure for setting and checking the record level.

Total Harmonic Distortion Measurement

Overall Frequency Response Check

Procedure for checking the overall frequency response.

Exploded Views and Parts List

PC Boards and Parts List

Main PCB Assembly

Control PCB Assembly

Display R PCB Assembly

Display L PCB Assembly

Trans PCB Assembly

Phone PCB Assembly

Jack PCB Assembly