Sharp 29H-FG3RU, Руководство по обслуживанию

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19
29H-FG3RU
19-1
19-2
No.
Adjustment point
Adjustment conditions/procedur
eW
aveform or remarks
H, V PROTEC- TO
R
1.
Receive E-5ch(Monoscopepattern).
2.
Connect the bias box to the cathode side (R607) of D604.
3.
Set the voltage of the bias box at 10V
, and verify
that the protector does not operate.
4.
Set the voltage of the bias box at 18V
, and verify
that the protector operate.
1
PROTECT
OR OPERA
TION CHECKING
Ref :
Apx.13.3V
.
No.
Adjustment point
Adjustment conditions/procedur
eW
aveform or remarks
Front speaker output check- ing
1.
Receive the E-10ch (P
AL
colour bar).
2.
Set the volume to maximum and set the other sound setting as follo
w.
3.
Connect the voltmeter to the speaker terminal and make sure the reading is 5.
0
±
1 V
rms.
1
SOUND OUTPUT CHECKING
#1 : Sound setting for model with
BBE and Super Bass in the sound menu.
#2 : Sound setting for model with-
out BBE and with Bass + in the sound menu.
Rear woofer ouput check- ing (For model with woofer box only)
1.
Receive the E-10ch (P
AL
colour bar).
2.
Connect the woofer wire from P303 to a 16 ohm dummy load.
3.
Set the volume to maximum and set the other sound setting as follo
w.
4.
Connect the voltmeter to the dummy load and make sure the reading is 12
±
1 V
rms.
2
Setting item
#
1
#
2
Equalizer
Music
Music
Surround
OFF
OFF
BBE
OFF
-
Balance
0
0
AV
L
OFF
OFF
Super Bass
OFF
-
Bass +
-
ON
Equalizer
Music
Surround
OFF
BBE
OFF
Balance
0
AV
L
OFF
Super Bass
ON