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STEREO INTEGRATED AMPLIFIER/TUNER
C-V301/V351
SERVICE MANUAL
© 1999-7/B51-5556-00 (K/K) 1653
70%
Caution : No connection of ground line if disassemble the unit.
Please connect the ground line on rear panel, PCBs, Chassis and some others.
ON/STANDBY
PHONES
INPUT
TAPE 2
(MONITOR)
VOLUME CONTROL
DOWN
UP
AV CONTROL CERTER KC-2
CLOCK
TIMER
MODE
RDS
PTY
DISPLAY
TIMER
SET
S.DIRECT
TA/NEWS/INFO.
STEREO
DSP
A.MEMO
AUTO
BAND
TUNING
PTY SELECT
MODE
MULTI.CONTROL
LEVEL
OPEN/CLOSE
623
624
620
683
681
J1
682
682
680
609
ANTENNA
AM
FM 75
GND
CONNECT WITH
POWER AMPLIFIER
SYSTEM
CONTROL
CD
AUX
TAPE 1/ MD
IN
IN
REC
PLAY
TAPE 2
(MONITOR)
REC
PLAY
MONITOR
OUT
VIDEO
UNSWITCHED
L
R
IN
AUDIO
FRONT
REC
PLAY
SURROUND
CENTER
SUBWOOFER
LD
/DVD
VCR
DVD 6CH.INPUT
J2
601
J3
J2
650
678
J6
J7
J5
J123
J4
Indicator
(B12-0311-04)
Front glass
(B10-2350-14)
Knob
(K29-7601-02)
Panel
(A60-1696-11)
Lock terminal board
(E70-0052-05)
Phono jack
(E63-0163-05)
Phono jack
(E63-1005-05)
Metallic cabinet
(A01-3431-01)
Power cord busing
(J42-0083-05)
AC power cord *
(E30-)
Miniature phone jack (2P)
(E11-0293-05)
Phono jack
(E63-0139-15)x3
Phono jack
(E63-1084-05)
AC outlet *
(E03-)
Knob
(K29-6660-04)
Knob
(K29-6665-02)
Knob
(K29-6665-02)
Phone jack
(E11-0280-05)
Front glass
(B10-2351-14)
Knob
(K29-7591-02)
Rectangular receptacle
(E58-0018-05)
* Refer to parts list on page 25.


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C-V301/V351
2
CONTENTS / ACCESSORIES / CAUTIONS
CONTENTS / ACCESSORIES / CAUTIONS ............. 2
DISASSEMBLY FOR REPAIR....................................3
ADJUSTMENT ............................................................4
PC BOARD ................................................................ 5
SCHEMATIC DIAGRAM .......................................... 11
EXPLODED VIEW ....................................................24
PARTS LIST..............................................................25
SPECIFICATIONS ......................................Back cover
Contents
Batteries(R6/AA) (4)
(C-V351)
FM indoor antenna (1)
(T90-0841-05)
AM loop antenna (1) (T90-0833-05)
Graphical Remote Control unit (1)
(C-V351)
(A70-1205-15)
ON/STANDBY
MUTE
VOLUME
ENTER
Setup
DVD/6ch Input
Sound Speaker
C D
Sat.
Tape1
Cable
Reset
VCR1
VCR2
L D
T V
Confirm
Set Up
Return
Input
Source
Main Menu
TapeA
TapeB
Tape1
LD
Tuner
CD
VCR2
VCR1
TV
Sat.
Cable
Remote control unit (1)
(C-V301)
(A70-1306-05)
Battery cover (A09-0378-08)
Loop antenna stand (1)
Batteries(R6/AA) (2)
(C-V301)
(Optional with the C-V301)
Battery cover
(A09-1115-08)
How to reset the microcomputer
The microcomputer may malfunction (impossibility of operation,
erroneous display, etc.) when the power cord is unplugged and
plugged in again while the unit is in ON mode with the
key
pressed or due to other external causes. In this case, execute the
procedure on the right to reset the microcomputer and return the
unit to the normal condition.
Unplug the power cord from the wall outlet.
While holding the
(ON/STANDBY) key depressed,
plug the power cord into the wall outlet again.
÷ Resetting the microcomputer clears the memory you entered and
returns it to the initial condition when the unit left the factory.
Cautions
Accessories


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3
DISASSEMBLY FOR REPAIR
C-V301/V351
1. Remove the 1 screw (
1), Then pull the slider (2) till last
2. While raise the slider of left side, remove the slider from the bosses (
3,4)
1
3
4
4
4
4
4
4
2
x2
x2
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4
ADJUSTMENT
C-V301/V351
No.
ITEM
INPUT
SETTING
OUTPUT
SELECTOR
TUNER/AMP
SETTING
ALIGNMENT
POINTS
ALIGN FOR
FIG.
SELECTOR : FM
1
DISCRIMINATOR
L31
L32
(E, T only)
(A)
98.0MHz
1kHz,
±40kHz dev
(E, T type)
60dBu (ANT INPUT)
Connect a DC
voltmeter between
port of CN2
AUTO
98.0MHz
L31 (X05-)
0V
(a)
(B)
L32 (X05-)
Minimum
distortion
2
DISTORTION
(STEREO)
(C)
98.0MHz
1kHz,
±40kHz dev
pilot:
±6kHz dev
60dBu (ANT INPUT)
(B)
AUTO
(98.0MHz)
IFT (W02-)
Mininum
distortion
(a)
ANTENNA
AM
FM 75
GND
CONNECT WITH
POWER AMPLIFIER
SYSTEM
CONTROL
CD
AUX
TAPE 1/ MD
IN
IN
REC
PLAY
IN
TAPE 2
(MONITOR)
AUDIO
FRONT
REC
REC
PLAY
PLAY
MONITOR
OUT
SURROUND
VIDEO
CENTER
SUBWOOFER
UNSWITCHED
LD
/DVD
VCR
L
R
DVD 6CH.INPUT
DIGITAL IN DIGITAL IN
FM 50kHz
AM 9kHz
FM
100kHz
AM 10kHz
50
µs
75
µs
DE-
EMPHASIS
CHANNEL
SPACE
Oscilloscope
Distortion meter
AC voltmeter
Dummy antenna
(B)
(A)
(C)
(D)
AG
AG
FM SG
MPX
AG
FM SG
AM SG
(a)
ERROR MESSAGE
DISPLAY
DESCRIPTION
ERR 1
Main u-com sub clock no output
ERR 2
Main u-com sub clock frequency NG
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A
BD
F
H
J
CE
G
I
2
1
3
5
7
4
6
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD (Component side view)
6
5
(X13-7562-70)