Hitachi D 2200 M Service Manual

Page 1

@ HITACHI TK No.1672E 7
SERVICE MANUAL I3-2200M

CONTENTS

Specifications
Disassembly ..
Adjustment...
Inspection of mechanism.
Lubrications
Block diagram
Schematic diagram (DD Motor Section)
Schematic diagram ..
Circuit board diagram
Wiring diagram...........
Schematic diagram/Circmt oar
module)......,.,........,....,.... .25
IC pin function table

Microprocessor test program .32
Replacement parts list ............ .33
Exploded view(Mechanism-DX-1)., ..35
Exploded view (Cabinet).....,.,.,.......,, .39

KEY TO ILLUSTRATIONS

® POWER (MAINS) SWITCH ® HF PEAK LEVEL INDICATOR
® TIMER SWITCH ® RECORDING LEVEL CONTROLS
® BATTERY INDICATOR ® HEADPHONE SOCKET
G) TEST INDICATOR Q9 INPUT SELECT SWITCH
(3 TEST FREQUENCY INDICATORS @ MICROPHONE SOCKETS
@ COUNTER RESET SWITCH ® MONITOR SWITCH
® TAPE COUNTER ® TAPE SELECT BUTTONS
® ELAPSED TIMER ® FAST FORWARD BUTTON
® ELAPSED TIME RESET SWITCH ® STOP BUTTON
® ATRS BUTTON @ REC. MUTE BUTTON
® FIXED BUTTON @ PAUSE BUTTON
® DIGITAL PEAK METER ® AUTO/MEMORY REWIND SWITCH
® ATRS START BUTTON @ RECORD BUTTON
® MPX SWITCH ® PLAYBACK BUTTON
® DOLBY B/C NR CHANGE OVER ® REWIND BUTTON
SWITCH ® EJECT BUTTON
® DOLBY NR SWITCH @ OUTPUT LEVEL CONTROL

SAFETY PRECAUTION

Thefollowing precautions should be observed when servicing.

1. Since many parts in the unit have special safety related characteristics, always use genuine Hitachis replacement
parts. Especially critical part: in the power circuit block should not be replaced with other makes.
Critical parts are merited with A in the schematic diagram and circuit board diagram.

2. Before returning a repaired unit to the customer. thesorvice technician must thoroughly test the unit to ascertain
that it is completely safe to operate without danger of electrical shock.

SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT

STEREO CASSETTE TAPE DECK

January 1982 TOKAI WORKS 4;?