SHARP 29HFD1A
Manual de Servicio

FUNCTION (VIDEO AND AUDIO) PROTECTOR OPERATION CHECKING
(Continued) No. point Adjustment conditions/procedure Waveform or remarks
1 H, V PROTEC1. Receive E-5ch(Monoscopepattern). Ref : Apx.13.3V. No. point Adjusting procedure/conditions Waveform and others TOR 2. Connect bias box to the cathode side (R607)

9 1. Receive the "PAL COLOUR BAR" signal, press of D604.

the COLOUR SYSTEM key to select modes ex3. Set voltage of the bias box at 10V, and verify

2. Receive "SECAM COLOUR BAR" signal, press

that the protector does not operate. cept PAL, check the COLOUR is not working properly. Then, select the "PAL" mode. Check again 4. Set voltage of the bias box at 18V, and verify its colour so that it is working properly. that the protector operate.

COLOUR SYSTEM key to select modes except SECAM, check the COLOUR is not working properly. Then, select the "SECAM" mode. Check again its colour so that it is working properly.

3. Receive �NTSC 4.43� signal, press COLOUR

SYSTEM key to select modes except NTSC4.43, check the COLOUR is not working properly. Then, select the �NTSC 4.43� mode. Check again its colour so that it is working properly.

4. Receive �NTSC 4.43/3.58 COLOUR BAR� signal

thru AV, press COLOUR SYSTEM key to select modes except N4.43/3.58, check the COLOUR is not working properly. Then, select the �NTSC 4.43/3.58� mode. Check again its colour so that it is working properly.

SOUND OUTPUT CHECKING

10 SOUND No. point Adjustment conditions/procedure Waveform or remarks 1. Receive �PAL-D/K� signal, press the �SOUND

SYSTEM SYSTEM� to select B/G, I. Check the sound out#1 : Sound setting for model with

1 Front speaker 1. Receive the E-10ch (PAL colour bar). put is not working properly. Select D/K and check output check2. Set volume to maximum set other BBE and Super Bass in the the sound output to make sure it is working proping setting as follow. sound menu. erly.

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with woofer 3. Set volume to maximum and set the other box only) sound setting as follow. Ref : OUTPUT level of HEADPHONE is as

#2 : Sound setting for model with-

out BBE and with Bass + in the sound menu. sound output to make sure it is working properly. BBE OFF -

2. Receive �PAL-I� signal, press the �SOUND SYSSetting item #1 #2 Equalizer Music TEM� to select B/G, D/K. Check the sound output Surround OFF is not working properly. Select I and check the 3. Receive �PAL-B/G� signal, press the �SOUND Balance 0 AVL OFF SYSTEM� to select I, D/K. Check the sound outSuper Bass OFF put is not working properly. Select B/G and check Bass + ON the sound output to make sure it is working propmake sure the reading is 9 ± 1 Vrms. 11 HEADPHONE 1. Receive PAL COLOUR BAR with SOUND 400Hz,

erly. 3. Connect voltmeter to the speaker terminal and

OUTPUT 100% MODULATION (±50kHz Dev). CHECKING 2. Maximum volume, and check the headphone 2 Rear woofer 1. Receive the E-10ch (PAL colour bar).

ouput check2. Connect the woofer wire from P303 to a 16 ohm output with 400Hz and no sound out from speaker. ing (For model dummy load.

Equalizer Music following. Apx. 500mVp-p Surround OFF NOISE MUTE 1. Receive "PAL COLOUR BAR" signal. BBE OFF Balance 0 CHECKING 2. Turn up the volume control to maximum, make AVL OFF sure sound is heard from the speakers. Then Super Bass ON put the unit in no signal state.

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3. Check sound mute is effective. 4. Connect voltmeter to the dummy load and 4. Finally turn sound level of CTV to minimum. make sure the reading is 15 ± 1 Vrms.

29H-FD1A 29H-FG1A

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