Hitachi TRK-8190E User Manual

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SERVICE
MANUAL
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GENERAL SECTION
Semi-conductors :
Power (Mains) Supply:
Power (Mains)
Consumption:
Dimensions:
Weight:
Power output:
Speaker:
TUNER SECTION
Circuit System:
‘Tuning Range:
Sensitivity:
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TRK-8190E, E(BS)
No. 1328
KEY TO ILLUSTRATIONS
(A) LED LEVEL INDICATOR (20) BAND SELECTOR
@ TAPE COUNTER @1) TUNING CONTROL
(3) BUILT-IN MICROPHONE (LEFT) (@2) TELESCOPIC ANTENNA (AERIAL)
(4
DOLBY
NR
INDICATOR
(3)
FM
STEREO
INDICATOR
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(8) FUNCTION SELECTOR OPERATION INDICATOR (For E)
© ea ee AC POWER INDICATOR
For E(BS
(> RECORDING LEVEL CONTROL oD petiole
(RIGHT) 5) BUILT-IN MICROPHONE (RIGHT)
(8) RECORDING MUTE SWITCH 26) PROGRAM SWITCH
(9) DOLBY NR SWITCH @7) PROGRAM RESET SWITCH
(10) AUTO/MANUAL RECORDING @8) MIXING VOLUME CONTROL
CHANGE-OVER SWITCH @9) MIXING SOCKET
(30) TIMER STAND BY BUTTON
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MODE SWITCH
TAPE SELECTOR SWITCH (BIAS)
TAPE SELECTOR SWITCH
(EQUALIZER)
LEVEL INDICATOR SELECTOR
HEADPHONE SOCKET
PAUSE BUTTON
STOP BUTTON
FAST FORWARD/CUE BUTTON
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43) RIF/AFC SWITCH ® PLAYBACK BUTTON
(6 BASS CONTROL (36) REWIND/REVIEW BUTTON
(7) TREBLE CONTROL (7) RECORD BUTTON
(18) VOLUME CONTROL (LEFT) (8) EJECT BUTTON
(19) VOLUME CONTROL (RIGHT) (9) LOUDNESS SWITCH
SPECIFICATIONS
1C’s: 11
Transistors: 33
Diodes: 28
LED: 18
Varicap: 1
Varistors : 2
AC: 220V, 50Hz [For E]
240V, 50Hz [For E (BS)]
DC: 13.5V (IEC R20 x 9)
Car: Use car battery adaptor
24W
540(W) x 304(H) x 166(D) mm
7.6 kg (with batteries)
8W/CH (Max.), 5W/CH (THD 10%)
16cm, 3.2 ohms x 2
5 cm, 4 ohms x 2
FM/SW/MW/LW 4-band
superheterodyne
FM: 87.5 to 108 MHz
SW: 6.0 to 18 MHz
MW: 530 to 1605 kHz
LW: 150 to 350 kHz
FM: 10 dB (pra.) 2dB (max.)
SW: 25 dB (pra.) 20 dB (max.)
MW: 42 dB (pra.) 30 dB (max.)}
LW: 52 dB (pra.) 40 dB (max.}
Intermediate
Frequency:
Antennas (Aerials) :
TAPE RECORDER
Tape:
Tape Speed:
Recording System:
Erasing System:
Frequency Response:
S/N (Signal to Noise
Ratio):
Cross Talk:
Erase Ratio:
Input Sensitivity and
Impedance:
Output Level and
Impedance:
Fast Forward or
Rewinding Time:
Distortion:
Motor:
FM: 10.7 MHz
SW/MW/LW: 468 kHz
FM/SW: Telescopic antenna or
External antenna
MW/LW: Ferrite-core antenna
Cassette tape (C-30, 60, 90)
4.75 cm/s
AC bias, 57 kHz
AC erasing
Normal: 50 ~ 12,000 Hz
CrO,: 50 ~ 14,000 Hz
50 dB (Dolby NR OFF)
60 dB (Dolby NR ON)
50 dB
65 dB
Microphone: 0.4 mV, 500 ohms
Phone: 3 mV, 50 Kohms
Record/Playback(DIN): 6mV, 12 Kohms
Record/Playback(DIN}):
Ext. speaker: 3.2 ohms
775 mV, 5 Kohms
110 sec (Using C-60)
1.5%
DC micromotor
CASSETTE TAPE RECORDER WITH FM/SW/MW/LW RADIO
Feb. 1980

Hitachi TRK-8190E Specifications

General

Country	Japan
Model	TRK-8190E
Type	Stereo System
Loudspeaker	2 Loudspeakers
Radio	AM/FM
Manufacturer / Brand	Hitachi, Ltd.
Material	Plastic
Notes	Portable stereo system with radio and cassette
Cassette Deck	Yes
Inputs	Auxiliary
Outputs	Headphones
Power Source	AC, DC, or batteries

Summary

SERVICE MANUAL INTRODUCTION & SPECIFICATIONS

Specifications Overview

Details general, tuner, and tape recorder specifications for the unit.

SAFETY AND DISASSEMBLY PROCEDURES

Safety Precautions

Precautions for safe servicing and operation of the equipment.

Disassembly Steps

Procedures for removing the head cover, cassette lid, and rear case.

Dial Cord Stringing

Step-by-step guide for placing the dial cord correctly.

MAINTENANCE AND ADJUSTMENT PROCEDURES

Lubrication and Mechanical Inspection

Guides for lubrication points, schedule, and mechanical part inspections.

Radio Tuning Adjustments

Calibration procedures for FM, AM, SW, and MW/LW frequency bands.

Tape Recorder Adjustments

Calibrating tape speed, azimuth, playback, recording, and Dolby NR.

Microswitch and DRPS Adjustments

Adjusting microswitch timing and DRPS operation level.

ELECTRICAL DIAGRAMS AND PARTS

Schematic Diagrams

Detailed circuit schematics for tuner and tape recorder sections.

Circuit Board Layouts

Visual layouts of various tuner, switch, DRPS, and power circuit boards.

Wiring and Block Diagrams

Overall wiring and system block diagrams for unit connectivity.

Replacement Parts List

Comprehensive list of replacement components, including semiconductors and resistors.

Exploded Views

Diagrams showing disassembled cassette deck and cabinet components.