Panasonic rx dt707 service alt scan en

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ORDER NOtAD911127503

Service Manual

Portable Stereo CD System

00-

COM PACT

USE

DIGITAL AUDIO

R

Radio Cassette

X-DT707

Color
(K) ,,,,,,,, Black Type
Area
Country
Code Area Color
(GT) Taiwan (K)

TAPE DECK: RX-FD55 MECHANISM SERIES (AR300)
TRAVERSE DECK: RX-DT55 MECHANISM SERIES (SODD110)

I SPECIFICATIONS

General:
Power Requirement:

Power Consumption:
Power Output:

Speaker:

Input:
Outputs:

Dimensions:

Weight:

Disc Player Section:
Sampling Frequency:
D-A Conversion:
Beam Source:

No. of Channels:
Frequency Range:
Dynamic Range:
S/N Ratio:

Wow and Flutter:

AC; 110 V, 60 HZ

Batten]; 15 V (10 RZO/LRZO. UM71
batteries)
Memory Back-up tor Computerl
Clock;
6 V (4 R6/LR6, UM-3 batteries)

62 W (AC only)

Low ch; 7x2 W

High oh: 3 X 2 W

Woofer; 10 cm PM Dynamic speaker
270

Tweeter; 8 cm PM Dynamic speaker SQ

MIX MIC; 2 5 mV, 200~600Q (233.5

AUX; 200 mV, 47 kn

HEADPHONES; 320, {253.5

CD OUT; 1 V

710 (W)><205 (H)><263 (D) mm

8 kg without batteries

44.1 kHz

16-bit linear
Semiconductor laser
(wavelength 780 nm)

2 channels, stereo
20~20,000 Hz (+1/-2 dB)
90 dB

08 dB

Unmeasurable

NOTES:

Radio Section:
Frequency Range:

Intermediate Frequency:

Tape Deck Section:
Frequency Range:

Recording System:
Tape Speed:
Monitor System:
Track System:

FM; 76~108 MHz

AM; 522771629 kHz (9 kHz step)
520~1710 kHz (10 kHz step)

FM; 10.65 MHz

AM; 450 kHz

FM; 16 Lila/0,5 mW output
(-3 dB Limit Sens.)

AM; 40 dB/m/0.5 mW output

30~16.000 Hz (with normal tape)
30~17,ooo Hz (with CrOa tape)
30~18,000 Hz (with METAL tape)

AC bias, AC erase

4.8 cm/s

Variable sound monitor

4-track 2-channel stereo recording and
playback

Dolby noise reduction manulactured under license trom Dolby
Laboratories Licensing Corporation.

Dolby" and the double-D symbol are trade marks of Dolby
Laboratories Licensing Corporation.

1. Weights and dimensions shown are approximate.
2. Design and specifications are subject to change without notice.

Panasonic

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RX-DT707

I CONTENTS

OPRECAUTION OF LASER DIODE V
OLOCATION OF CONTROLS

OPREPARATIONS FOR CHECK AND ADJUSTMENT 0F
P,C.B. ........................................... 50~54

CHANDI ING PRECAUTIONS FOR TRAVERSE DECK . OMEASUREMENTS AND ADJUSTMENTS bb~53
ODISASSEMBLVINSTRUCTIONSTt DFUNCTION OF ICTERMINALS 58~63
'LIQUID CRYSTAL DISPLAY (LCD) OSELF DIAGNOSTIC FUNCTION. ...... 64
OSCHEMATIC DIAGRAM ....... 'TROUBLESHOOTING GUIDE 65, 66
OCIRCUIT BOARD DIAGRAM i . H OBLOCK DIAGRAM ............. , . 67~73
.WIRING CONNECTION DIAGRAM . . DREPLACEMENT PARTS LIST . 74~84, 87. 93, 94
UDIGITAL SERVO SYSTEM ......... OCABINET PARTS LOCATION ................. 85, 86
.CHECKING THE OPERATION PROBLEMS ON OLOADING UNIT PARTS LOCATION t t ._ _. ,,._ 88Y 89

THE TRAVERSE DECK (OPTICAL PICKUP) ........... 48, 49 OMECHANISM PARTS LOCATION ..... 90492

CAUTION:

THIS PRODUCT UTILIZES A LASER.

USE OF CONTROLS OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE
SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.

I PRECAUTION OF LASER DIODE

CAUTION: This product utilizes a laser diode with the unit turned "on", invisible laser radiation is emitted from the pick up lens.

Wave length: 780 nm

Maximum output radiation power from pick up: 100 uWNDE

Laser radiation from the pick up lens is safety level, but be sure the followings:

gnaw-A

Recommend not lo look at pick up lens fora long time.

. Do not disassemble the optical pick up unit, since radiation from exposed lasetd diode is dangerous.
, Do not adjust the variable resistor on the pickup unit. It was already adjusted
. Do not look at the focus lens using optical instruments.