Kenwood KDC 2031 SGY Service Manual

Page 10

KDC-2031 SA/2031 SAY
KDC-2031SG/20318GY

10

SPECIAL MODE

0 DC offset error detection confirmation mode
Confirmation mode :
While depressing PRESET 3" key and PRESET 6" key
simultaneously, press on the RESET button.
(Display) Detected :DCER
Not detected : DCOK
By pressing CLK key while DCEFI is being displayed,
detection status is clearedThis will result in the display of
DCOK.

Release Method : Press RESET" button.

0 Mechanism memory clear confirmation mode
Confirmation mode :
While depressing ATT key and Q key simultaneously,
press RESET button.
(Display) :MCLR
Two seconds after the confirmation mode boots up, Mecha-
nism memory clear as a result is displayed.
(Display) Clear status display normal completion : CD ? 0
Clear status display abnormal completion :CD *-

Release Method : Press RESET button.

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
|C10 E-VOL&TUNER YES YES YES
|C11 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

0 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 35:1an (EMF)

Except Europe 1000kHz OFF 35dBpV (EMF)
0 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 5(1pr (LOAD) or
11:1an (EMF)
Except Europe 87.9MHZ OFF 5dBpV (LOAD) or
11:1an (EMF)