Pioneer KEH-P7400 Service Manual

@) PIONEER'
The Art of Entertainment
Service
anual
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH ID-LOGIC TUNER KEH- P7400 ..
MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH FM/AM TUNER
KEH-P7450 --
*KEH-P7400/UC
a
ORDER NO.
CRT 1845
g _ID LOGIC IS A TRADEMARK
OF AND 1S MANUFACTURED
[| UNDER LICENSE FROM PRS
CORPORATION, N.Y. & H.K.
| L wu) Gl Cc @®ALL RIGHTS RESERVED.
NOTE:
@ See the separate manual CX-631(CRT1640} for the cassette mechanism description.
@ The cassette mechanism employed in this model is one of X-2L series.
@ Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
@ For the service mentioned in this manual, the special tools GGD1056 and GGD1019 have to be used.
See the sections and "Adjustment" on how to use these tools.
@ Service Precautions
This device employs an inverter as the power supply for the EL. The inverter has an output voltage reach approxi-
mately 300 Vrms (AC), under no-load condition and about 160 Vrms {AC}, with the EL connected. Utmost cars
should be used not to suffer from a possible electric shock, accordingly.
CONTENTS |
1. SAFETY INFORMATION ......sssccssssssesscrssorrstersreceseees 2 9. CONNECTION DIAGRAM avsascusavinveu ddcsariustetstance deans 23
2. DISASSEMBLY ............ s o p oink chateadespaseueabearmioasssusésdbauige 2 10. SCHEMATIC CIRCUIT DIAGRAM ........ sesecsesesrrrern 20
Se FEST MODE tissccisecteletes Sesonsse icesceccdencausdescsseedaevsescemsavee 11. CIRCUIT DIAGRAM AND PATTERN .........::scesreseeeer 20
4, ADJUSTMENT 12. EXPLODED VIEW AND PARTS LIST. sasivsciesee
§. tC INFORMATION... : 13. PACKING METHOD ©. ae saaeuseanneen
6. ECD acticnaciomaniueotenance me 14. SPECIFICATIONS....csssssssssssssscssssssesecssensetesssssssssestsene 46
7. ELECTRICAL PARTS LIST ou. seececsesssrerenectesnstenenescanes 16 - 15. OPERATIONS. AND CONNECTION ........--.:-scsssseeee yi
8. BLOCK DIAGRAM usc seccssssssessecesscorsesenssasree tienes 21
PIONEER ELECTRONIC CORPORATION 4-1, Megura 1-Chome, Meguro-ku, Tokyo 153, Japan
PIONEER ELECTRONICS SERVICE INC. P.0.Box 1760, Long Beach, CA 90801-1760 U.S.A. .
PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD, 501 Orchard Road, #10-00, Lane Crawford Place, Singapore 0923 ei O 9 7
© PIONEER ELECTRONIC CORPORATION 1996 .
K-FFL. APR. 1996 Printed in Japan