Panasonic RXDT630

ORDER NO. MD9307052S7
Colour
Area
*Please file and use this Supplement Manual together with the Service Manual Suffix for hae
for Model No. RX-DT630 (P/PC/PX-K) | Order No. MD9205032C5 Model No.
RX-DT630 (GC-K) MD9207066C3
«The CD Drive used in Model RX-DT610 has been modified during mid-operation for
improved
operation.
(PX)
Far
East
PX
and Europe PX
¢ This supplement includes the following information regarding the Modified CD drive
(GC) Asia,Latin America,
1. PRINTED CIRCUIT BOARD 5. FUNCTION OF IC TERMINALS Middle Near East
2. SCHEMATIC DIAGRAM 6. NEW DIGITAL SERVO CIRCUIT and Africa
3. TROUBLESHOOTING GUIDE 8.CD UNIT PARTS LOCATION
4, BLOCK DIAGRAM 9. CD REPLACEMENT PARTS LIST
5. MEASUREMENT AND ADJUSTMENT
Bi How to identify the units with Modified CD Drive
The units with modified CD drive can be identified by the reduction of number of Integrated Circuit
Chips used from the CD P.C.B.as illustrated (ie. 1C701~IC706 —> IC701~IC703)
/ ©
fe Y
&
©
CD P.C.B.
rT =
ORIGINAL CD DRIVE MODIFIED CD DRIVE
¢This
Service
Manual
Supplement
is
strictly
used
for
Units
with
a
Modified
CD
Drive.
Panasonic.
ervice
Manual
Radio Cassette
RX-DT630
(K) ... Black Type

Panasonic RXDT630 Specifications

General

Type	Cassette Player
Brand	Panasonic
Model	RX-DT630
Cassette Playback	Yes
Radio Tuner	AM/FM
Speakers	2
Power Source	AC power cord, 8 x D batteries
Additional Features	CD Player

Summary

Identify Modified CD Drive Units

Printed Circuit Board Diagram

Schematic Diagram

Troubleshooting Guide

Block Diagram

Measurement and Adjustment

Mechanical Adjustment

Procedure for adjusting mechanical parts after traverse deck replacement. Maximize RF signal amplitude.

Best Eye (PD Balance) Adjustment

Procedure to adjust VR701 for maximizing RF signal eye pattern amplitude.

Play Operation Check After Adjustment

Verification of skip search, manual search, and playability after adjustments.

New Digital Servo Circuit

CD Replacement Parts List

CD Unit Parts Location