AKIRA CT-21TF9CP(IKD) Repair Manual

$7.99

AKIRA CT-21TF9CP(IKD) - It's a complete service manual, and it's in PDF format. It contains circuit diagrams ( schemas ) etc. It also usually contains parts catalog. After placing order we'll send You download instructions on Your email address. See below for delivery information

The manual is available only in language(s): English

Link to manual will be sent on Your email address after You place order.

This product was added to our catalog on Tuesday 15 April, 2008.

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9

3. B+ ADJUSTMENT
3.1. Disconnect horizontal load. Connect a light bulb (100 W) AC 250V across
C321.
3.2. Connect 220V AC 50Hz to CN601 and switch on power switch.
3.3. Test the voltage with digital voltage meter between C321 two terminals.
3.4. Adjust VR601 to obtain +110V +/- 0.5V.

4. AGC ALIGNMENT
4.1. Receive 60dB +/- 2dB RF signal. Connect Digital voltmeter positive terminal
to AGC terminal of TUNER and negative terminal to GND.
4.2. Press ?MENU" key twin , till the PICTURE MENU appears, then press
?Q.VIEW? or ?RETURN? key, ?MUTE? key to turn on CPU. TV SET will
go to factory mode. Press ?TIMER? key to go to the next factory menu. Go to
?MENU 3? status by this means.
4.3. Select RF.AGC by pressing ?CH+? or "PROG+" and "CH-" or "PROG-" keys.
Adjust ?VOL+? and "VOL-? keys to obtain 4V Digital voltage meter reading.
4.4. Press ?MENU? key to exit factory mode.

(B) CTV SET ALIGNMENT
1. GO TO FACTORY MODE ACCORDING TO 4-4-2 BEFORE WARM UP
LINE.

2. FOCUS ADJUSTMENT.
2.4. Receive monoscope pattern.
2.5. Set TV to work in dynamic status.
2.6. Adjust the focus knob of FBT to get the clearest picture.

3. SCREEN VOLTAGE ADJUSTMENT.
Go to factory mode ?MENU 2? status according to 4-4-2.
3.4. Select ?V-KILL? by pressing ?CH+? or "PROG+" and "CH -" or "PROG -"
keys..
3.5. Press and hold on the ?VOL+? key all the time, Adjust the screen knob of
FBT to get a horizontal faintness beam line. Then release "VOL+" key.

4. (A) WHITE BALANCE ADJUSTMENT (APPLIED IN FACTORY ONLY)
4.1. Set the TV set to AV mode. Receive black white pattern (Color Temperature
test pa ttern).
4.2. Insert 6 Pin Service flat cable into CN002. Press adjustment keys, and then
go to automatic white balance adjustment.
4.3. After adjusting well, remove the 6 Pin Service flat cable.

(B) WHITE BALANCE ADJUSTMENT (APPLIED WHEN SERVICING)
4.4. Set the TV set to AV mode. Receive black white pattern (Color Temperature
test pattern).
4.5. Put the test probe 1 of CRT color analyzer (CA-100) on the Low Bright area
and the test probe 2 on the High Bright area. Adjust bright and contrast to get
5nit of low bright area and 80 nit of high bright area.

Model No: CT-21TF9A_21TF9C_21TF9CP_21TF9CP(IKD)_21TF9CP(SKD)_21TF9CP(M)_21TF9N_21TF9R
Version 1.0