Hitachi TRK 3 D 8 Service Manual

Page 1

TY H NO. 509E

TRK-3D8

H, HC. E, E (BS), W, W(UN). AU

WeifliHlWaélfl @Dneeefie

© HITACHI
@SERVICE MANUAL

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@®®®@@®.®®®®®®®®®®®® CONTENTS W

KEY TO ILLUSTRATIONS .. .......... I

SPEClFlCATlONSm 2

DISASSEMBLY ....... 2-4

ADJUSTMENT ......................... 4-7

INSPECTION OF MECHANISM 7-8

~ LUBRICATION .............................. a

DIAL CORD STRINGlNG....
CIRCUIT DIAGRAM ........
PRINTED WIRING BOARD
BLOCK DIAGRAM ..
EXPLODED VIEW.

\ REPLACEMENT PARTS LIST...
KEY TO ILLUSTRATIONS
C ® HEADPHONES SOCKET % STOP/EJECT BUTTON
PAUSE BUTTON
TAPE 1 Co tact ® INNER MIC/SPEAKER SELECTOR
F Se ' M | n
® PLAYBACK BUTTON MAIJIRITRgfiECngAESERVICBS ® TAPE SELECTOR
® REWIND BUTTON BCherry Tree Rd,Chinnor
® FAST FORWARD BUTTON exonox940Y ® ROD ANTENNA AER'AL
@ STOP/EJECT BUTTON Telz-OIw-351694 Fax:-018M-352554 GRAPHIC EQUALIZER CONTROLS
® PAUSE BUTTON finaliz-enmmesemumomuk @ FM MODE/DUBBING SPEED/RIF SELECTOR
FM STEREO INDICATOR
® OPERATION INDICATOR
( TAPE 2 (2) VOLUME CONTROLS
CD RECORD BUTTON @ FUNCTION SELECTOR
PLAYBACK BUTTON (2) AM BAND SELECTOR (Except H, HC)
® REWIND BUTTON ® TUNING CONTROL
FAST FORWARD BUTTON ® INNER MICROPHONE (MONAURAL)

SAFETY PRECAUTION

The following precautions Should be Observed when servicing.

1, Since many parts in the unit have special safety-related characteristics, always use genuine Hitachis re-
placement parts;
Especially critical parts in the power circuit block should not be replaced with other makers. Critical
parts are marked with A in the circuit diagram and printed wiring board

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

L SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.

FM/SW/MW/lW RADIO CASSETTE TAPE RECORDER

June 1986 TOYOKAWA WORKS