Panasonic RQ-320SD User Manual

ORDER NO. ARD-7507062S
Service
Manual
Portable Cassette Recorder
RQ-320SD
Deluxe Portable AC/Battery Cassette Recorder
with Detachable/Built-in Condensor Microphone
a
RQ-237S MECHANISM SERIES
Specifications (Catalog specifications for sales)
Power requirement:
Motor :
Frequency response:
Recording system:
Operation:
Tape speed:
National Panasonic
AC; 220V, 50Hz
Power consumptions; 6W
Battery; 6V (four-R14 size dry batteries)
Car/boat battery; with optional car/boat
adaptor RP-914-E
Rechargeable battery; with optional
rechargeable battery pack RP-092
DC mechanical motor
50~11,000 Hz (with CrOz tape)
50~10,000 Hz (with REGULAR tape)
AC bias, AC erase
Pushbutton operation with Auto-Stop
mechanism
4.8cm/s
I
oo:
oe
Program time:
Fast forward and
rewind time:
Track system:
Input:
Output:
REC/PB connection:
Speaker:
Dimensions:
Weight:
1 hour with C-60 cassette tape
Approx. 90 seconds with C-60 cassette
tape
2-track monaural recording and playback
MIC; sensitivity 0.28 mV/applicable
microphone impedance 2002~6002
AUX; sensitivity 100 mV/180 K2
DC IN; 6V
EXT SP; 8Q
REMOTE; for start and stop at hand
5P DIN type
10cm PM dynamic speaker
23.5em(W) X27.2cm(H) X8.5cm(D)
3kg
Specifications are subject to change without notice for further improvement.
Matsushita Electric Trading Co., Ltd.
P.O. Box 288, Central Osaka Japan

Panasonic RQ-320SD Specifications

General

Brand	Panasonic
Model	RQ-320SD
Category	Cassette Player
Language	English

Summary

Specifications

Technical Diagrams

Schematic Diagram

Detailed circuit diagram of the portable cassette recorder.

Wiring Diagrams

Diagrams showing electrical wiring and color coding for connections.

Parts Identification

Location of Parts

Illustrations and labels identifying all external and internal parts.

Maintenance Procedures

Disassembly Instructions

Steps for safely disassembling the device, starting with the bottom case.

Chassis Removal

Detailed instructions for removing the main chassis from the unit.

Adjustments

Mechanical Adjustments

Procedures for adjusting mechanical components like pressure rollers and tape tension.

Amplifier Adjustments

Procedures for adjusting amplifier circuits, including head angle and bias.

Alignment Procedures

FM IF & Detector Alignment

Detailed steps for aligning FM IF and detector circuits using an oscilloscope.

FM RF Alignment

Instructions for aligning FM RF circuits, including antenna and oscillator adjustments.

Parts Lists & Locations

Replacement Parts List

Comprehensive list of all replacement parts with their reference numbers and part numbers.

Electrical Parts Location

Diagrams showing the physical location of electrical components on the circuit board.

Circuit Board & Views

Exploded Views

Illustrations showing how the device components are assembled together.

Circuit Board Diagram

Detailed schematic of the main circuit board with component layout and voltage points.

Cabinet & Packing Details

Cabinet Parts

List and diagrams of the external casing and cosmetic parts of the device.

Component Packing

Diagrams illustrating the packing method for components and the final product.