Harman kardon fl 8400 service manual

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The Harman Kardon
Model FL8400

COMPACT DISC CHANGER MW

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I CONTENTS I
LASER BEAM SAFETY PRECAUTIONS ------------ 2 TROUBLESHOOTING ----------------------
BEFORE REPAIRING THE COMPACT DISC PRINTED CIRCUIT BOARDS -------
PLAYER ................................................ 3 GENERAL UNIT EXPLODED VIEW
LEAKAGE TEST "-4 GENERAL UNIT PARTS LIST
SPECIFICATIONS ------------- ...5 ELECTRICAL PARTS LIST ----------
CONTROL AND FUNCTIONS "-7 IC FUNCTIONAL BLOCK DIAGRAM
BLOCK DIAGRAM .......................................... 9 PACKAGE ............................
DISASSEMBLY INSTRUCTIONS -------------- WIRING DIAGRAM
PICKUP REPLACEMENT -------- SCHEMATIC DIAGRAM

CIRCUIT DESCRIPTION --------------
ALIGNMENT AND ADJUSTMENT -----------

TRANSISTOR AND DIODE LEAD

IDENTIF]CAT|ON ...................................

....... 59

DANGER: Invisible laser radiation when open and interlock failed or defeated.
AVOID DIRECT EXPOSURE TO BEAM.

harman/kardon

Parts and Service Office

80 Crosswavs Park West, Woodbury, N.Y. 11797
11127FL8400A P9501 1500 Printed in Korea

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FL8400

LASER BEAM SAFETY PRECAUTIONS

CLASS 1 LASER PRODUCT

CAUTION . . . ,
CLASS1 1,:4:t'°:c::::;:::;a:;22392:2."M's
LASER PRODUCT

CAUTION: USE OF ANV CONTROLS, ADJUSTMENT, OR
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.
m\ /

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.

Pickup Lens

CAUTION:

Using controls and adjustment, or doing procedures other than those specified herein, may result in
hazardous radiation exposure.