Pioneer deh 424 r service manual
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Page 1
GD PIONEER
TheArlofEmarw'nment
Service
Manual
HIGH POWER CD PLAYER WITH RDS TUNER
DEH'BEER EW
DEH'624R aw
DEH'EEER EW
DEH-524R EW
DEH'424R an
HIGH POWER CD PLAYER WITH FM/MWILW TUNER
DEH-424 EW
DEH-425 .. flag
0 $50 the service manual CX-597ICR1'1811I for the CD mechanism description, disassembly and circuit
description.
0 The CD mechanism employed in this model I: on. of CX-597 series.
DEH-625R/EW
ORDER NO.
CRT1 808
CONTENTS
1. SAFETV INFORMATION ............................................ 2 8, ELECTRICAL PARTS LIST ........................................ 26
2. SPECIFICATIONS ...................... 3 9, LCD .....................
3. OPERATION AND CONNECTION 4 10. BLOCK DIAGRAM
4. DISASSEMBLY.. 7 11. CIRCUIT DIAGRAM AND PATTERN
5. ADJUSTMENT 8 12. EXPLODED VIEW AND PARTS LIST ..
6. TEST MODE. 10 13. PACKING METHOD .........................
7. IC INFORMATION... ..14
PIONEER ELECTRONIC CORPORATION 4-1. Meguro rename, Meguro-ku. Tokyo 153, Japan
PIONEER ELECTRONICS SERVICE INC. R030)! 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER ELECTRONIC [EUROPE] N.V. Raven 1087 Keatberglaan 1. 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE P1'E.L1D. 501 Orchard Road, #1000, Lane Crawford Place, Singapore 0923
© PIONEER ELECTRONIC conponamou 1995 m Nov. 1995 Primed in Japan
Page 2
DEH-BE5FI,824R.5259,524H,424R.424.425
. CD Player Service Precautions
1. For pickup unitiCGY1070) handling, please refer
to'Disassembly'(CX-597 Service Manual CRT1811).
During replacement, handling precautions shall be
taken to prevent an electrostatic discharge(protection
by a shon pin).
2. During disassembiy, be sure to turn the power off
since an internal IC might be destroyed when a con-
nector is plugged or unplugged.
1 . SAFETY INFORMATION
1. Safety Precautions (or those who Service this Unit.
- When checking or adjusting the emitting power of the laser diode exercise caution in order to get safe, reliable
results.
Caution:
1. During repair or tests, minimum distance of 13cm from the focus lens must be kept.
2. During repeir or tests, do not view laser beam for 10 seconds or longer.
2. A "CLASS 1 LASER PRODUCT" label is affixed to the 3. The triangular label is etteched to the mechanism
bottom of the player. unit frame.
CLASS 1
LASER PRODUCT
Top
Label
. Specifications of Laser Diode
Specifications of laser radiation fields to which human access is possible during service.
Wavelength - 800 nanometers