Hitachi TRK 9100 Service Manual

Page 1

TKNII No. 1888E

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@5 HITACHI

TRK-9'l OOE/EZ/
SERVICE MAN UAI. I5(IB-oI/l-KAU)

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\ CONTENTS

SPECIFICATIONS ......................................... 2
DISASSEMBLY 2
ADJUSTMENT," 4
INSPECTION OF MECHANISM. 6
LUBRICATION ........................... 6

SCHEMATIC DIAGRAM
Tuner section ...........
Tape recorder section ..
CIRCUIT BOARD DIAGRAM

Tuner section ............................................... 9
Tape recorder section .I
WIRING DIAGRAM ......
DIAL CORD STRINGING .......
REPLACEMENT PARTS LIST
EXPLODED VIEW.,

KEY TO ILLUSTRATIONS

® SPEAKER BOX (LEFT) @ TAPE COUNTER

C2) TELESCOPIC ANTENNA (AERIAL) @ COUNTER RESET BUTTON
(3) GRAPHIC EOUALIZER CONTROLS @ HEADPHONES SOCKET
C4) BALANCE CONTROL GE PAUSE BUTTON

(S; BUILT IN MICROPHONE (MONAURAL) «(3 STOP BUTTON

@ VOLUME CONTROL ® FAST FORWARD/CUE BUTTON
® LOUDNESS SWITCH ® PLAYBACK BUTTON

® DOLBY NR SWITCH @ REWIND/REVIEW BUTTON
© TAPE SELECTOR 2E RECORD BUTTON

@ FUNCTION SELECTOR (2E EJECT BUTTON

® BAND SELECTOR @ LED LEVEL INDICATORS
@ TUNING CONTROL 2:6) DOLBY NR INDICATOR

@ FM MODE/FM AFC SWITCH @ FM STEREO INDICATOR
@ SPEAKER BOX (RIGHT) @ OPERATION INDICATORS

[Ti SAFETY PRECAUTION I

The foIIowing precautions should be observed when servicing.
1. Since many parts in the unit have special safety-related characteristics, always use genuine Hitachi's replacement parts.
Especially critical parts in the power circuit block should not be replaced with other makes,
Critical parts are marked with A: in the schematic diagram and circuit board diagram.
2. Before returning a repaired unit to the customer, the service technician must thoroughly test the unit to ascertain that it

is completely safe to operate without danger of electrical shock. I
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SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

FM/ SW/ MW/ LIN RADIO CASSETTE TAPE REBURIER

Feb. 1983 TOKAI WORKS