Kenwood KDC-W409 [12/38] Fm antenna adjustment

Kenwood KDC-W431GY [12/38] Fm antenna adjustment
12
KDC-W4031/W4031Y/W409/W409Y
KDC-W431GY/W4531/W4531Y/WF431A
ADJUSTMENT
After replacing the following parts, adjust as follows.
REPLACED PARTS ADJUSTMENT ITEMS
Ref. No.
Function / Parts name
1st AM MIX 2nd AM MIX FM antenna
IC10 E-VOL & TUNER YES YES YES
IC11 E2PROM YES YES YES
L507 VCO COIL YES YES YES
L508 1st AM MIX IFT YES - -
L509 2nd AM MIX IFT - YES -
L518 FM ANTENNA COIL - - YES
D504 VARIABLE YES YES YES
CAPACITANCE DIODE
D506 VARIABLE YES YES YES
CAPACITANCE DIODE
X501
CRYSTAL RESONATOR
YES YES YES
1st AM MIX / 2nd AM MIX ADJUSTMENT
ADJUSTMENT POINT : L508 (1st AM MIX) / L509 (2nd AM
MIX)
VOLTAGE VALUE CHECK POINT : S-METER check land (X34-)
Adjust so that S-METER voltage value becomes maximum.
• SG setting
DESTINATION
FREQUENCY MODULATION ANTENNA INPUT
Europe 999kHz OFF 35dBµV (EMF)
Except Europe 1000kHz OFF 35dBµV (EMF)
FM ANTENNA ADJUSTMENT
ADJUSTMENT POINT : L518
VOLTAGE VALUE CHECK POINT : S-METER check land (X34-)
Adjust so that S-METER voltage value becomes maximum.
• SG setting
DESTINATION
FREQUENCY MODULATION ANTENNA INPUT
Europe 87.5MHz OFF
5dBµV (LOAD) or
11dBµV (EMF)
Except Europe 87.9MHz OFF
5dBµV (LOAD) or
11dBµV (EMF)

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