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SERVICE MANUAL
CD RECEIVER
TEL 13942296513 QQ 376315150 892498299
MA21520059
KD-G318
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UF -------------------------- China
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Area suffix
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TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
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COPYRIGHT © 2005 Victor Company of Japan, Limited
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No.MA215
2005/9
SPECIFICATION
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Maximum Power Output Front 50 W per channel
Continuous Power Output (RMS) Front 19 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more
Load Impedance 4 Ω (4 Ω to 8 Ω allowance)
Tone Control Range Bass ±10 dB at 100 Hz
Frequency Response 40 Hz to 20 000 Hz
TEL 13942296513 QQ 376315150 892498299
Signal-to-Noise Ratio 70 dB
Line-Out Level/Impedance 2.0 V/20 kΩ load (full scale)
Output Impedance 1 kΩ
Other Terminal CD changer terminal
Frequency Range FM 87.5 MHz to 108.0 MHz
[FM Tuner] Usable Sensitivity 11.3 dBf (1.0 µV/75 Ω)
TEL
[MW Tuner] Sensitivity 20 µV
Type Compact disc player
Signal Detection System Non-contact optical pickup (semiconductor laser)
Number of Channels 2 channels (stereo)
Frequency Response 5 Hz to 20 000 Hz
Dynamic Range 96 dB
Signal-to-Noise Ratio 98 dB
Wow and Flutter Less than measurable limit
Power Requirement Operating Voltage DC 14.4 V (11 V to 16 V allowance)
Grounding System Negative ground
Allowable Operating Temperature 0°C to +40°C
Dimensions (W × H × D) Installation Size (approx.) 182 mm × 52 mm × 150 mm
Mass (approx.) 1.4 kg (excluding accessories)
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13942296513
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Rear 50 W per channel
Rear 19 W per channel into 4 Ω, 40 Hz to 20 000 Hz at no more
Treble ±10 dB at 10 kHz
AM 531 kHz to 1 602 kHz
50 dB Quieting Sensitivity 16.3 dBf (1.8 µV/75 Ω)
Alternate Channel Selectivity (400 kHz) 65 dB
Frequency Response 40 Hz to 15 000 Hz
Stereo Separation 35 dB
Capture Ratio 1.5 dB
Selectivity 35 dB
Panel Size (approx.) 188 mm × 58 mm × 12 mm
AUDIO AMPLIFIER SECTION
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TUNER SECTION
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CD PLAYER SECTION
GENERAL
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than 0.8% total harmonic distortion.
than 0.8% total harmonic distortion.
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Design and specifications are subject to change without notice.
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SECTION 1
PRECAUTION
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Please refer to "KD-G308 (No.MA097)" about this section.
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SECTION 2
SPECIFIC SERVICE INSTRUCTIONS
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Please refer to "KD-G308 (No.MA097)" about this section.
SECTION 3
DISASSEMBLY
Please refer to "KD-G308 (No.MA097)" about this section.
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SECTION 4
ADJUSTMENT
Please refer to "KD-G308 (No.MA097)" about this section.
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(No.MA215)1-3
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5.1 16 PIN CORD DIAGRAM
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SECTION 5
TROUBLESHOOTING
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BK
8
RD
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NC
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BL/WH
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WH
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13942296513
GN
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VI
GY
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OR/WH
WH/BK
GN/BK
VI/BK
GY/BK
16 YL
8 BK
7 RD
15 OR/WH
5 BL/WH
3 GN
YL
NC
NC
16
15
14
13
12
11
10
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MEMORY
GND
ACC
ILL
REMOTE
RL+
BK
RD
BL
WH
REMOTE
CAUTION!
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OUTPUT ONLY
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Black
Red
Blue
White
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7
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GN
GY
1
VI
YL
OR
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Green
Violet
Gray
Yellow
Orange
GND
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11 GN/BK
10 VI/BK
12 WH/BK
RR
FR
FL
RL
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4 WH
1 GY
9 GY/BK
Rear Right
Front Right
Front Left
Rear Left
o
RL-
RR+
RR-
FL+
FL-
FR+
FR-
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ACC
MEMORY
GND
ILL
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Remote out
ACC Line
Memory Backup Battery +
Ground
Illuminations Control
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TEL 13942296513 QQ 376315150 892498299
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(No.MA215)1-5
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TEL 13942296513 QQ 376315150 892498299
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Victor Company of Japan, Limited
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AV & MULTIMEDIA COMPANY CAR ELECTRONICS CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan
(No.MA215)
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Printed in Japan
VPT
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SCHEMATIC DIAGRAMS
CD RECEIVER
TEL 13942296513 QQ 376315150 892498299
KD-G318
CD-ROM No.SML200509
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UF -------------------------- China
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Area suffix
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TEL 13942296513 QQ 376315150 892498299
TEL
13942296513
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Contents
Block diagram
Standard schematic diagrams
Printed circuit boards
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2-1
2-2
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COPYRIGHT 2005 Victor Company of Japan, Limited.
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No.MA215SCH
2005/9
Safety precaution
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!
!
TEL 13942296513 QQ 376315150 892498299
3
Burrs formed during molding may be left over on some parts of the chassis. Therefore,
pay attention to such burrs in the case of preforming repair of this system.
Please use enough caution not to see the beam directly or touch it in case of an
adjustment or operation check.
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Block diagram
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TEL 13942296513 QQ 376315150 892498299
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PICK UP
FOCUS &
TRACKING
COIL
LOAD&FEED
MOTOR
POSITION SET
SWITCH
SPINDLE
MOTOR
T
E
SW1, SW2
VF1, VF2, VT1, VT2, LD, MD
TRACKING+, TRACKINGFOCUS+, FOCUS-
PSW
FEED+
FEED-
SPINDLE+
SPINDLE-
L
SW1, SW2
3
1
7
CN001
3
9
4
6
ANT
2
3
Main amplifier & CD servo control section
IC561
BTL
DRIVER
CN501CJ1
2
9
6
1
SPINDLE+, SPINDLEFEED+, FEEDTRACKING+, TRACKINGFOCUS+, FOCUS-
SW1, SW2, PSW
5
VF1, VF2
VT1, VT2
MD, LD
5
TRV, TVD
ECM, ECS
FOD
1
3
1
IC521
DSP&DAC
FBAL, TBAL
FE, TE, RFENV
VDET, OFTR
RFDET, BDO
LDON, ARF
IC501
RF AMP
5
LM, MSW
CD.RESET, STATUS
SUBQ, SQCK, TLOCK
FLOCK, CD.SENSE
MLD, MDATA, MCLK
OUTL
OUTR
0
Q
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IC701
CPU
3
7
TU1
FM/AM
TUNER
SD/ST
MONO
S.METER
IFC-CONT
FM/AM
SEEK/STOP
FM.OSC
EO
IFC
6
8
SDA
SCL
3
L-CH
R-CH
E.VOLUME
1
9
IC161
5
2
RRO,LRO,RFO,LFO
OUTLF, OUTLR
OUTRF, OUTRR
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EACH
BLOCK
4
IC301
POWER
AMP.
8
IC901
REGULATOR
2
8
4
9
LEFT FRONT (+)
LEFT FRONT (-)
RIGHT FRONT (+)
RIGHT FRONT (-)
LEFT REAR (+)
LEFT REAR (-)
RIGHT REAR (+)
RIGHT REAR (-)
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J321
CN901
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2
FRONT L
FRONT R
REAR L
REAR R
LINE OUT
SPK
BATTERY
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LCD & Key control section
IC602
REMOCON
IC601
LCD DRIVER
COM1
COM2
COM3
S1 to S52
LCD1
LCD DISPLAY
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REMOCON
LCD.SCK
LCD.SO
LCD.CE
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S601 to S617
KEY MATRIX
KEY0
KEY1
KEY2
ENC1
ENC2
EN601
ENCODER
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CJ601
CN701
x
KEY0
KEY1
KEY2
LCD.SCK
LCD.SO
LCD.CE
REMOCON
ENC1
ENC2
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IC581
CD L.P.F.
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CD.LCH
CD.RCH
JBUS.SI
JBUS.SI
JBUS.SO
JBUS.IO
JBUS.INT
JBUS.SCK CH.SCK
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IC801
JVC BUS
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CH.L
CH.R
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J801
CD CHANGER
CONTROL
2-1
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