Sanyo FXD-780GD, Service Manual

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ELECTRICAL ADJUSTMENTS
FOR FXD-780RDS
Fig. 9
1. While the power is off, press the
q
PRESET 1 button. Then keep pressing the
w
BAND button, press the
e
POWER button
simultaneously. All the figures on the LCD lights up Fig. 9 (A) enters the TEST mode.
2. Press the
r
AUDIO button after step 1, the unit enters FM seek adjust mode of the DX mode. Fig. 9 (C)
Rotate the R129 on the PC Board Ass’y (RF33R) to adjust the LCD until the STEREO indicator lights up. Fig. 9 (D)
3. Press the
r
AUDIO button again after step 2, the unit enters the LOCAL mode. Check that the STEREO indicator is
displayed (for specific: Input level of Signal Generator is 12 ~ 28dB higher than that of the DX mode). Fig. 9 (E)
4. By pressing the
w
BAND button in the steps 1 to 3 enters the unit to the AM mode. Fig. 9 (F)
5. Press the
r
AUDIO button, the unit enters SEEK adjustment mode of the DX mode. Fig. 9 (G)
Rotate the R124 on the PC Board Ass’y (RF33R) to adjust the LCD until the STEREO indicator lights up. Fig. 10 (H).
6. Pressing the
r
AUDIO button again after step 5, the unit enters th LOCAL mode. Check that the STEREO indicator is
displayed (for specific: Input level of Signal Generator is 12 ~ 28dB higher than that of the DX mode). Fig. 10 (I)
Fig. 8
TEST MODE CHART
t w
r e q y
(A) Enter the Test Mode
(B) Enter the FM Mode
(C) FM DX Mode
(D) Receiving 98.1 MHz
(E) FM Local Mode
(F) Enter the AM Mode
(G) AM DX Mode