Pioneer KEX-900 User Manual

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CIRCUIT DESCRIPTIONS
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The photo shows the model KEX-900/EW. C R T 1 0 7 6
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@ For the repair & adjustments, please refer to the KEX-900 service manual (CRT 1074).
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@ For the repair & adjustments, please refer to the KEX-500 service manual (CRT 1075).
CONTENTS
1. SECRET CODE uc cecessesessssesestesesesesessessseneeeeneaes 1 7. PLAYBACK ...csssccssssssesssessscseresesnssensssneseesesensnere erence 7
2. NOMENCLATURE AND USE (KEX-900).........0000 3 8. USING THE GRAPHIC EQUALIZER (KEX-900).... 8
3. NOMENCLATURE AND USE (KEX-500)..........000 4 9. NOMENCLATURE AND USE (TUNER SECTION) 9
4, READING THE DISPLAYS (KEX-900).......cssceseseess 4 10. READING THE DISPLAY (TUNER SECTION) ....... 1
5, READING THE DISPLAYS (KEX-500).... sss 5 11. TUNING AN FM/MW/LW SECTION q....cseneae cereees 12
6. CONNECTING THE UNITS... cccesssesssseeceeeteees 6 12. ASSIGNING FREQUENCIES TO MEMORY......... 13
13. CIRCUIT DESCRIPTION... ccsssesssssssessenssnnee tereees 14
@ Dolby and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
@ Noise Reduction System manufactured under license from Dolby Laboratories Licensing Corporation.
PIONEER ELECTRONIC CORPORATION 4-1. Meguro 1-Chome, Meguro-ku, Tokyo 153, Jasam
PIONEER ELECTRONICS SEAVICE INC. P.O. Box 1760, Long Beach, California S0S801 U.S.A. TEL: (213) 4205700
RIONEER ELECTRONIC (EUROPE) N.V. Keetbergiasan 1,2740 Severen, Belgium TEL: 03/775 :28:-08
PIONEER ELECTRONICS AUSTRALIA PTY. LTD. 178-194 Soundary Aoad, Braeside, Victoria 3195, Australia
TEL: (033 580-9911 7
FK © DEC. 1986 Printed in Japan,

Pioneer KEX-900 Specifications

General

Bluetooth	No
USB Port	No
Equalizer	Yes
Display	LCD
WMA Playback	No
AAC Playback	No
AUX Input	No
Tuner	AM/FM
DIN Size	1 DIN

Summary

1. Secret Code Functionality

Secret Code Registration

Sets the secret code after installation.

Accessory Sticker and Card

Provides anti-theft sticker and code card info.

Dealer Installation

Dealer sets the code during installation.

2. Nomenclature and Use (KEX-900)

CAUTION

Registering the Secret Code

Set the secret code within one minute after pressing the clear button.

Anti-theft Function

Handles errors when wrong secret codes are entered.

5. Reading the Displays (KEX-500)

3. Nomenclature and Use (KEX-500)

7. Playback

6. Connecting the Units

9. Nomenclature and Use (Tuner Section)

8. Using the Graphic Equalizer (KEX-900)

Factory Preset Curves

Recalls one of three factory preset curves.

Forming Equalizer Curves

Allows creation of custom equalizer curves.

Recording to Memory

Stores created equalizer curves to memory.

10. Reading the Display (Tuner Section)

11. Tuning an FM/MW/LW Section

12. Assigning Frequencies to Memory

Best Station Memory

Automatically tunes strong broadcasts for memory assignment.

Seek/Manual Tuning

Tunes frequencies using seek or manual tuning.

4. Reading the Displays (KEX-900)

13. Circuit Description