Read Sharp FV-DB2ES (serv.man3) Service Manual online
FV-DB2E
2 – 4
8. TEST MODE 8
Function:
1. Check communication from main micon to DAB unit when without DAB unit.
2. Check volume IC (75341) DAB channel conditon.
2. Check volume IC (75341) DAB channel conditon.
Note:
At test mode 8, there is not DAB unit.
3. Dimmer & supply condtion check
TEST8
GO TO POWER OFF MODE.
WHILST HOLDING DOWN THE "PRESET 1"
and "MENU" BUTTON, PRESS THE POWER
BUTTON.
and "MENU" BUTTON, PRESS THE POWER
BUTTON.
(chataring:10ms x 3)
1. DISPLAY "Communicat" FOR 1 SECOND
2. Set Volume IC (75341) to DAB channel
3. Set mute off but when volume change to 0 set
2. Set Volume IC (75341) to DAB channel
3. Set mute off but when volume change to 0 set
mute on
Push "preset select" key and change "SCP_CLK" &
"SI_DIN" & "SI_DOUT" as follows: (need display
statuse on LCD, first line display "CLK
statuse on LCD, first line display "CLK
DIN
DOUT", second line display Pin status.)
CLK
DIN DOUT
0
0
0
1
0
0
0
1
0
0
0
1
1
1
1 (At this conditon, BUZ (52pin) output
K-timer on singal)
Push "power" key to enter into stand-by
mode
Dimmer & supply condtion check
P_SUPPLY (45Pin) DIMMER_1 (53pin) DIMMER_2 (54pin)
P_SUPPLY (45Pin) DIMMER_1 (53pin) DIMMER_2 (54pin)
H
H
H
L
L
L
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