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CHECKING FUNCTION OPERATION (2) (VIDEO & AUDIO) CONTINUED
NO
ADJUSTMENT POINT
9
SOUND SYSTEM
(1) Receive "PAL-D/K" signal, press the "SOUND SYSTEM"
to select B/G, I. Check the sound output is not working properly.
Select D/K and check the sound output to make sure it is working properly.
(2) Receive "PAL-I" signal, press the "SOUND SYSTEM"
to select B/G, D/K. Check the sound output is not working properly.
Select I and check the sound output to make sure it is working properly.
(3) Receive "PAL-B/G" signal, press the "SOUND SYSTEM"
to select I, D/K. Check the sound output is not working properly.
Select B/G and check the sound output to make sure it is working properly.
10
NOISE MUTE
(1) Receive "PAL COLOUR BAR" signal.
CHECKING
(2) Turn up the volume control to maximum, make sure the sound is
heard from the speakers. Then put the unit in no signal state.
(3) Check the sound mute is effective.
(4) Finally turn sound level of CTV to minimum.
11
HEADPHONE OUTPUT
(1) Receive "PAL COLOUR BAR" with sound 400 Hz,100%modulation (
(2) Maximum volume, and check the headphone output with 400kHz sound and no sound
out from speaker.
Ref. OUTPUT level of HEADPHONE is as following
Apx. 500 mVp-p
12
MONO BILINGUAL
(1) Receive Momo Bilingual chanel .
FUNCTION CHECKING
(2) Press R/C "MPX" button, and the sound will change
from sound 1 to sound 2
PROTECTOR OPERATION CHECK
NO
ADJUSTMENT POINT
1
H.V Protector
(1) Receive E-5ch (Monoscop pattern).
(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.
SOUND OUTPUT CHECKING
NO
ADJUSTMENT POINT
1
Front speaker output
(1) Receive the E-10ch (PAL colour bar).
checking
(2) Set the volume to maximum and set the other sound setting as follow.
ADJUSTMENT CONDITION / PROCEDURE
ADJUSTMENT CONDITION / PROCEDURE
ADJUSTMENT CONDITION / PROCEDURE
Setting item
AV Mode
Movie
Surround
ON(1)
Treble
+10
Bass
+10
Balance
0
Loudness
ON
± 50 kHz Dev )
3 - 34
29F-PS370
WAVEFORM OR REMARKS
WAVEFORM OR REMARKS
Ref : Apx.13.3V.
WAVEFORM OR REMARKS
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