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Hitachi TRK-6830E Service Manual
Hitachi TRK-6830E Service Manual

Hitachi TRK-6830E Service Manual

Cassette tape recorder with fm/sw/mw/lw radio

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0000
ooooooo
15
14
13
ozo
@ FUNCTIO
N
C
@TELESCOPI
@TONE CONTROL
@VOLUME C ONTROL
@ PAUSE B UTTON
T
@STOP/EJEC
@ FAST F ORWAR
D
@ REWIN
D
BUTTON
SAFETY
PRECAUTION
The following
precautions
1.
Since many parts in the unit have special safety-related
parts.
Especially
critical
Critical parts are marked
2.
Before returning
a repaired unit to the customer, the service technician
that it is completely
safe to operate without
SPECIFICATIONS
CASSETTE
TAPE
KEY
TO
ILLUSTRATIONS
SELECTO
R
)
ANTENNA(AERIAL
BUTTON
BUTTON
should be observed when servicing.
parts in the power circuit
in the schematic diagram, and circuit
dangerof electrical shock.
AND
PARTS
ARE SUBJECT
RECORDER
TRK-6830E/E(BS)
TN-33Z
Specifications
Disassembly
12
Inspection
Lubrication
Adjustment
Replacement parts list
Schematic
Circuit board diagram
Wiring diagram
Exploded view
Dial cord stringing
@ PLAYBACK
@ RECORD
BUTTON
@ BAND SELECTOR
@ TUNING C ONTROL
@ BUILT-IN M ICROPHONE
(MONAURAL)
@ RECORD/BATTERY
@ FM STEREO
characteristics,
always use genuine Hitachi's replacement
block should not be replaced with other makes.
board diagram.
must thoroughly
TO CHANGE
WITH
FM/SW/MW/LW
No.
2201
chassis
CONTENTS
of mechanism
diagram
BUTTON
INDICATOR
INDICATOR
test the unit to ascertain
FOR IMPROVEMENT
RADIO
E
2
2
3
3
4
6
7
9
15
19
21
loading
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Summary of Contents for Hitachi TRK-6830E

  • Page 1 PRECAUTION The following precautions should be observed when servicing. 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.
  • Page 2: Specifications

    TRK-6830E/E(BS) SPECIFICATIONS GENERAL SECTION Antennas (Aerials) : FM/SW : Telescopic antenna (aerial) Semi-conductors IC's : 3 MW/LW : Built-in ferrite-core antenna(aerial) Transistors 11(E) TAPE RECORDER SECTION Tape Cassette tape Diodes Tape Speed 4.75cm/s LED's Recording System AC bias, 64 kHz...
  • Page 3: Schematic Diagram - Tuner Section

    TRK-6830E/E(BS) SCHEMATICDIAGRAM(Tuner Section) TELESCOPIC • ANTENNA TPIOI TP102 R206 Q 102 T 101 c 102 QIOI L 103 4.7 p 4.1V 0.5V 0.45 0.4V Q201 C217 R104 P101 CIOI R212 0.01 1.2V I.IV 560 cF201 C105 4.av L 104 56 p 0.459...
  • Page 4 ARE MEASURED IN FM MODE. NOTE : VOLTAGES Note IN ( ) ARE MEASURED IN AM VOLTAGES 1.Voltage measured atbase of chassis withminimum volumecontrol and no signal. 2.Nomenclature of Resistors andCapacitors. Circuit No indicated Q(Ohm) C207 C205 T 202 Value M : 1000kQ 0.01 0.01...
  • Page 5 TRK-6830E/E(BS) Recorder Section) SCHEMATIC DIAGRAM (Tape Q401 L, R Q402L,R D401L,R IC501 Q501 Q801 Q802 HIT9014NC IN4148 nPC1263C 2SC945P 2 SC q45p 1684 HIT8050C PRE. AMP. LINE AMP. POWER AMP. VOLT. STAB. RECEIAS OSC. RIF SWITCHING R408 J401 R403R C407 C408 6.8K...
  • Page 6 NOTE: VOLTAGES MEASURED PLAY BACK MODE. VOLTAGES ) ARE MEASURED RECORDING MODE. LED903 0802 0801 LED906 D601-D604 D501 HIT8050C IN4148 L N 217 IN4001 HZ6C RF SWITCHING PROTECTOR REC/BATTJND. FM STEREO IND. RECT. VOLT.STAB MONO S402- R460 S501-7 MODE TWEETER (Rch) goon s 401 —q...

This manual is also suitable for:

Trk-6830ebs