SHARP 21R2F
Instrukcja Serwisowa

No. 10

Adjusting point SOUND SYSTEM

Adjusting procedure/conditions 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. 1. Receive "PAL COLOUR BAR" signal. 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. Check OSD LANGUAGE quantity and type as English, Chinese, French, Arabic, Malay and Russian.

Waveform or others

11

NOISE MUTE CHECKING

12

OSD LANGUAGE QUANTITY CHECK

11. HEADPHONE JACK CHECKING

No. 1

Adjusting point HEADPHONE OUTPUT CHECKING

Adjusting procedure/conditions 1. Receive PAL COLOUR BAR with SOUND 400Hz, 100% MODULATION (±50kHz Dev). 2. Maximum volume, and check the headphone output with 400Hz sound and no sound out from speaker.

Waveform or others

3 � 14