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Kenwood KRC-778R Service Manual

Kenwood KRC-778R
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KRC-PS978R
KRC-878R
KRC-778R
//
.
B.S/
MTL/
DISP
B.S/
MTL/
DISP
KRC-778R/RV/RY/RYV,
878R, PS978R
CASSETTE RECEIVER
SERVICE MANUAL
C
2000-2 PRINTED IN KOREA
B51-7589-00 ( K ) 1889
KRC-PS978R
KRC-878R
KRC-778R
Front glass
(B10-3095-01)
Escutcheon assy
(B07-2146-03)
Panel assy
(A64-1854-02)
Front glass
(B10-3096-01)
Escutcheon assy
(B07-2139-03)
Front glass
KRC-778R/RY :
(B10-3097-01)
KRC-778RV/RYV :
(B10-3098-01)
Escutcheon assy
(B07-2139-03)
Panel assy
(A64-1855-02)
Panel assy
KRC-778R/RY :
(A64-1856-02)
KRC-778RV/RYV :
(A64-1952-02)
Torsion coil spring
(G01-2924-04)
Lever
(D10-4301-14)
(D10-4302-14)
Antenna adaptor
(T90-0523-05)
Remote controller assy
(A70-0886-15)
Screw set
(N99-1683-05)
Remote controller assy
(A70-0874-05)
Mounting hardware assy
(J21-9491-03)
DC cord
KRC-PS978R,878R,778R/RY :
(E30-4788-05)
KRC-778RV/RYV :
(E30-4789-05)
Plastic cabinet assy
(A02-1489-03)
The CASSETTE MECHANISM OPERATION DESCRIPTION is the same model D40-1122-05.
Please refer to the service manual for model D40-1122-05(B51-7452-00).
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Kenwood KRC-778R Specifications

General IconGeneral
TypeCar Receiver
BrandKenwood
ModelKRC-778R
DIN Size1 DIN
Channels4
Tuner TypeAnalog
Radio TunerAM/FM
Presets24
CD PlayerNo
CD-R/RW PlaybackNo
MP3 PlaybackNo
WMA PlaybackNo
Detachable FaceplateYes
Remote ControlYes
Display TypeLCD
IlluminationGreen

Summary

Service Manual Introduction

Block Diagram Overview

Microcomputer Terminal Description

System MicroComputer Pinout

Detailed description of pins and signals for the system microcomputer.

Test Mode Operations

Entering and Exiting Test Mode

Procedures for entering and exiting the service test mode.

FM and AM Voltage Adjustments

Instructions for adjusting FM S meter voltage and AM SD voltage.

Cassette Mechanism Control

Forced switching for K2I and tape test mode specifications.

MASK Key Procedures

Procedures for canceling, initializing, and all-clearing the MASK key.

Other Test Mode Functions

Details on other test mode functions like panel closing and dimmer control.

Adjustment Procedures

FM Section Adjustments

Adjusting FM separation and S meter voltage.

AM Section Adjustments

Adjusting AM SD voltage.

Cassette Deck Adjustments

Adjusting cassette deck azimuth and playback level.

PC Board Component Side View

PC Board Foil Side View

Mechanism Exploded View

Unit Exploded View

Parts List Introduction

Specifications Overview

FM and MW/LW Specifications

Frequency range, sensitivity, and response for FM and MW/LW bands.

Cassette and Amplifier Specifications

Tape performance, S/N, separation, and amplifier power ratings.

General and Installation Specifications

Tone control, operating voltage, current consumption, dimensions, and weight.

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