Panasonic RS-808 - Service Manual

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Service Manua
ORDER NO. ARD-7807044C
L886 :
8-Track Tape Deck
RS-808
8-Track Stereo Recording/Playback Cartridge Deck
with Led Program Indicators
This is the Service Manual of Model RS-808 for PX.
RQ-833 MECHANISM SERIES
Specifications
(Catalog
specifications
for
sales)
Power requirement: AC; 110/125/220/240V, 50/60Hz preset Input:
Power voltage; 220 V for Europe
125V for Asia
Power consumption; 24 W
Motor: DC motor Output:
Track
system:
8-track
2-channel
stereo
recording
and
playback
Tape speed: 9.5cm/s, (3-3/4 ips.)
Wow
and
flutter:
0.12%
(WRMS)
Head:
;
Frequency
response:
50~13,000Hz
imensions:
Signal-to-noise ratio: 45dB
Fast
forward
time:
|
Approx.
480
seconds
with
300
feet
tape
Weight:
Specifications are subject to change without notice.
MIC; sensitivity 0.2 mV, applicable microphone
impedance 6002 ~ 20 KQ
LINE; sensitivity 60 mV, input impedance
150 KQ
LINE; output level 0.5 V, load imped ance
50 KQ over
HEADPHONE; output level 60 mV, impedance
8Q
3 in 1 head
36.0cm(W) x 13.6cm(H) x 25.1¢em (D)
[14-1/4"(W) x 5-3/8"(H) x 9-7/8"(D)]
3.9kg (8lbs. 10 0z)
&
Panasonic Tokyo
anasoconic
Matsushita
Electric
Industrial
Co.,
Ltd.
Matsushita
Electric
Trad#ng
Co.,
Ltd.
® 17-15, 6-chome, Shinbashi, Minato-ku, Tokyo 105 Japan P.O. Box 288, Central Osaka Japan
L886

Summary

Product Specifications

Sales Specifications

Details catalog specifications for sales, including power, input/output, and physical dimensions.

Controls and Disassembly Guide

Control Panel Overview

Diagram identifying the location and function of all front and rear panel controls and indicators.

Unit Disassembly Steps

Table and diagrams outlining the procedures for safely disassembling the unit into major sections.

Measurement and Adjustment Procedures

Pressure Roller and Tension Measurement

Procedure for measuring pressure roller force and head-up tape tension using specified tools.

Head Alignment and Height Adjustment

Steps for adjusting head azimuth and performing rough head height adjustments for optimal playback.

Head Height Fine Adjustment

Procedure for fine-tuning head height adjustment for minimum output on a specific test tape.

Performance Testing and Reference Data

Audio Performance Testing

Methods for testing crosstalk, playback gain, level meter accuracy, and erase current.

Reference Performance Specifications

Additional specifications for wow/flutter, tape speed, frequency response, S/N ratio, bias, and recording level.

Electrical Component Identification

Electrical Parts Location Diagram

Diagram and list showing the location and part numbers of internal electrical components.

Cabinet Component Identification

Cabinet Parts Location Diagram

Diagram and list showing the location and part numbers of external cabinet components and hardware.

Circuit Schematic Diagram

System Schematic Overview

Detailed schematic diagram illustrating the electronic circuitry and signal paths of the device.

Wiring and Component Details

Wiring Diagram and Component Listings

Diagram showing internal wiring connections and lists of resistors, capacitors, and other electronic components.

Mechanical Assembly Breakdown

Exploded View and Mechanical Parts List

Diagram of the unit's mechanical assembly with an accompanying list of all mechanical parts.

Panasonic RS-808 Specifications

General

Track System	4-track, 2-channel stereo
Type	Cassette Deck
Heads	1 x record/playback, 1 x erase
Motor	DC servo
Outputs	Line
Inputs	Line
Frequency Response	30 Hz - 16 kHz (Normal Tape)