Harman kardon fl 8450 service manual
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Extracted text from harman kardon fl 8450 service manual (Ocr-read)
Page 1
The Harman Kardon
5P Model FL8450
VManuaLli
COMPACT DISC CHANGER
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I CONTENTS I
LASER BEAM SAFETY PRECAUTIONS ............ 2
BEFORE REPAIRING THE COMPACT DISC
PLAYER
LEAKAGE TEST ..
SPECIFICATIONS ----------------
CONTROL AND FUNCTIONS -
BLOCK DIAGRAM ................... ..9
DISASSEMBLY INSTRUCTIONS ~11
PICKUP REPLACEMENT ------ --13
CIRCUIT DESCRIPTION ---------- "15
ALIGNMENT AND ADJUSTMENT
TROUBLESHOOTING ------------------------------------ 25
PRINTED CIRCUIT BOARDS --------------------------- 34
GENERAL UNIT EXPLODED VIEW - -~37
GENERAL UNIT PARTS LIST
ELECTRICAL PARTS LIST ----------------
IC FUNCTIONAL BLOCK DIAGRAM -
PACKAGE .....................................
WIRING DIAGRAM --57
SCHEMATIC DIAGRAM ................................. 58
TRANSISTOR AND DIODE LEAD
IDENTIFICATION .......................................... 59
DANGER: Invisible laser radiation when open and interlock failed or defeated.
AVOID DIRECT EXPOSURE TO BEAM.
harmanlkardon
Parts and Service Office
80 Crossways Park West, Woodhurv, N.Y. 11797
1112-FL8450A P95021500 Printed in Korea
5/7 fly: ///z *2 fife
Page 2
FL8450
LASER BEAM SAFETY PRECAUTIONS
CLASS 1 LASER PRODUCT
CAUTION
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LASER PRODUCT
CAUTION: USE OF ANY CONTROLS. ADJUSTMENT, OFI
PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN
MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.
Do not look directly at the laser beam
coming from the pickup or allow it to
strike against your skin
E
This compact disc player uses a pickup that emits a laser beam. The laser beam is emitted from the
location shown in the figure. When checking the laser diode. be sure to keep your eyes at least 1 foot
away from the pickup lens when the diode is turned on. Do not look directly at the laser beam.
CAUTION:
Using controls and adjustment, or doing procedures other than those specified herein, may result in
hazardous radiation exposure.