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CONTENTS

1. SAFETY INFORMATION............................................2

2. EXPLODED VIEWS AND PARTS LIST ......................2

3. SCHEMATIC DIAGRAM .............................................4

4. PCB CONNECTION DIAGRAM..................................5

5. ELECTRICAL PARTS LIST..........................................6

6. ADJUSTMENT ...........................................................6

7. GENERAL INFORMATION.........................................7

7.1 IC ..........................................................................7

8. OPERATIONS AND SPECIFICATIONS ......................8

PIONEER ELECTRONIC CORPORATION

4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan 

PIONEER ELECTRONICS SERVICE INC.

P.O.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.

253 Alexandra Road, #04-01, Singapore 159936

PIONEER ELECTRONIC CORPORATION 1999

K-ZZB. MAR. 1999 Printed in Japan

ORDER NO.

CRT2331

WIRELESS CELLULAR MUTE KIT

CD-CM1 

E

Service
Manual

NOTE:

-

For the detection diode (D401: HSM276SR), the withstanding static voltage is very low. So, pay special

attention to static electricity to protect the diode from electrostatic damage when servicing.

-

When the detection antenna has been removed from the upper case for servicing, be sure to stick it

onto the upper case with adhesive tape along the guide, after the repair is completed.

Summary of Contents for CD-CM1

Page 1: ...erglaan 1 9120 Melsele Belgium PIONEER ELECTRONICS ASIACENTRE PTE LTD 253 Alexandra Road 04 01 Singapore 159936 C PIONEER ELECTRONIC CORPORATION 1999 K ZZB MAR 1999 Printed in Japan ORDER NO CRT2331 WIRELESS CELLULAR MUTE KIT CD CM1 E Service Manual NOTE For the detection diode D401 HSM276SR the withstanding static voltage is very low So pay special attention to static electricity to protect the d...

Page 2: ...ld not risk trying to do so and refer the repair to a qualified service technician WARNING This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause cancer birth defects or other reproductive harm Health Safety Code Section 25249 6 Proposition 65 NOTE Screws adjacent to mark on the product are used for disassembly 1 Poly...

Page 3: ...3 CD CM1 2 2 EXTERIOR 1 Case CNS5425 2 Cellular Mute Unit CWX2357 3 Case CNS5426 4 Screw BPZ20P080FZK 5 Cord CDE5916 6 Cord CDC1041 EXTERIOR SECTION PARTS LIST Mark No Description Part No ...

Page 4: ... B C D 1 2 3 4 3 SCHEMATIC DIAGRAM 3 1 CELLULAR MUTE UNIT Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST A MA8033 H 1 2 2 2 2 2 1 2 200mA A CELLULAR MUTE UNIT ...

Page 5: ... DIAGRAMS 1 The parts mounted on this PCB include all necessary parts for several destination For further information for respective destinations be sure to check with the schematic diagram 2 Viewpoint of PCB diagrams Capacitor Connector P C Board Chip Part SIDE A SIDE B A SIDE A ANTENNA 2 Viewpoint of PCB diagrams ...

Page 6: ...llular Mute Unit MISCELLANEOUS IC 401 IC NJU7062M IC 801 IC UPC1251G2 IC 901 IC NJM78L05UA Q 401 Transistor 2SC2712 Q 402 Transistor 2SA1162 Q 451 Transistor DTC144EK Q 452 Transistor DTC144EK Q 453 Transistor 2SC2712 Q 454 Transistor 2SA1162 Q 455 Transistor 2SC2712 Q 851 Transistor 2SC2712 Q 852 Transistor DTC144EK D 401 Diode HSM276SR D 402 Diode MA728 D 403 Diode MA8033 H D 451 Diode MA110 D 8...

Page 7: ...7 CD CM1 7 GENERAL INFORMATION 7 1 IC NJU7062M UPC1251G2 8 7 6 5 V OUT2 I12 IN2 1 2 3 4 OUT I11 IN1 V 8 7 6 5 VDD OUT2 IN 2 IN 2 1 2 3 4 OUT 1 IN 1 IN 1 GND ...

Page 8: ...ign are subject to possible modification without notice due to improvements CONNECTION DIAGRAM OPERATIONS Power switch Switches this unit ON OFF Heat indicator This lights when the unit s internal temperature becomes high Power automatically switches OFF Power automatically switches ON when the internal temperature decreases Sensitivity level switch This allows you to adjust the sensitivity over w...

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