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Aiwa TV-FT2588, Руководство по обслуживанию

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– 6 –

4. NK  C.B. (PWB, NK) REMOVAL

Figure 4-1

(1)

Disconnect CN903 (CRT GND).

(2)

Disconnect CN901, CN902

(3)

Remove the NK C.B. in the direction of arrow 

1

.

(See Figure 4-1)

5. MAIN C.B (PWB, MAIN) REMOVAL

(1)

Remove connector (CN408).

(2)

Remove connector (CN801).

(3)

Remove connector (CN802).

(4)

Pull out the MAIN C.B. in the direction of the arrow 

2

(See Figure 4-1).

CN801
(Power Cord)

Front cabinet

AUDIO C.B

CN408
(Speakers)

CN903

NK C.B

CN901

CN902

CN802
(Degauss
cord)

MAIN C.B

Содержание TV-FT2588

Страница 1: ...No 09 008 433 6S1 S U P P L E M E N T This Service Manual contains the additional information DISASSEMBLY INSTRUCTIONS and ADJUSTMENT for the model TV FT2588 SHA SHR If requiring the other information...

Страница 2: ...led the cap would come off from the CRT anode button easily causing an accident Do not turn the anode cap 3 If the anode cap is turned in the direction of its circumference the hook is likely to come...

Страница 3: ...e cap after installing it Never re use the hook when it has been deformed 1 If the anode cap is turned after it is installed it may come off Therefore arrange the high voltage cable before attaching t...

Страница 4: ...could turn and cause an installation defect 4 Turn over the rubber cap symmetrically on the left and right See Figure 3 4 Caution Take great care not to damage the anode cap Figure 3 3 5 Fit your fore...

Страница 5: ...ap turned over and visually check that the hook is engaged securely 9 Release your hand from the rubber cap of the anode cap Caution Cover the anode cap so that it does not lift 10 Hold the skirt of t...

Страница 6: ...irection of arrow 1 See Figure 4 1 5 MAIN C B PWB MAIN REMOVAL 1 Remove connector CN408 2 Remove connector CN801 3 Remove connector CN802 4 Pull out the MAIN C B in the direction of the arrow 2 See Fi...

Страница 7: ...of about 0 3 V with flat envelope Confirm that ratio of the burst signal amplitude and the red signal amplitude is 0 30 0 66 If the output signal does not conform with the specifications calibrate the...

Страница 8: ...wise looking from the CRT s back screen and disengage Be careful not to loose the lock ring too much If the magnet assembly has become shifted during adjustments secure it to the position in Fig 1 4 3...

Страница 9: ...ing at the screen adjust the tilt of the deflecting yoke and tighten the DY lock screw 8 Shift the magnet assembly to the front toward the CRT funnel stop movement before the adjustment position and t...

Страница 10: ...ke and the surface of the CRT funnel in order to secure the deflecting yoke Refer to Fig 1 9 Position of wedge Fig 1 9 Wedge Wedge Wedge In Fig 1 8 the two 6 pole magnets are stacked together so as to...

Страница 11: ...tion Method Make sure that confirmation is done after replacing the EEP ROM 1 Enter to the aging mode by pressing the TEST key on the remote controller Fig 1 2 Press the SYSTEM key and confirm the con...

Страница 12: ...xadecimal figures Sample calculation of displayed hexadecimal figures HEX 1 2 3 4 The display will be reset to 0000H when the accumulated hours exceed 7FFFH 32768 hours Adjustment Mode Operation Metho...

Страница 13: ...50 TXT RGB MAC 62 51 ABL GAIN 00 52 V AGC 00 53 WHITE PEAK 00 54 MUTE 55 AF GAIN 56 VIDEO POL 57 BPF TOF 58 CHROMA TRAP 59 HALF TONE 60 COLOR SYS 61 CW SW 62 AFT MUTE 63 BLUE BACK 64 DC NF SPEED 65 V...

Страница 14: ...GAIN 5 B DRV GAIN 6 BRIGHT PAGE 3 1 SECAM B Y 2 SECAM R Y 3 RGB CONT 4 H SIZE 5 V SIZE 6 TINT PWB Adjustment Do before entering the adjustment mode 1 H SIZE Horizontal Size Crosshatch Input signal Cro...

Страница 15: ...Pattern generator PAL Using the volume keys on the jig remote controller adjust the dot mark to the exact vertical centre position in the crosshatch screen Fig 1 2 NTSC Adjustment Menu No 86 Input sig...

Страница 16: ...To adjust follow the same procedure as PAL 1 5 PIF VCO Video IF VCO Adjustment Adjustment Menu No 17 Page 1 5 Input signal No signal Test point IC3011PIN Auto adjustment 1 Press TEST key to enter agi...

Страница 17: ...mote controller to increase the numeric figure of the 5 B DRIVE up to more than 60 in hexadecimal figure till the color becomes bluish 2 6 Then reduce the numeric figure to the point where the bluish...

Страница 18: ...No 26 Page 3 2 This model does not support this function Set the data value to 00 Fig 3 2 3 3 RGB CONT Sub Contrast Adjustment Adjustment Menu No 27 Page 3 3 This model does not support this function...

Страница 19: ...Adjustment PAL Adjustment Menu No 4 Input signal Monoscope LION MARK Measuring instrument Monoscope PAL Use the volume keys on the jig remote controller to adjust the 6 circular figures on monoscope t...

Страница 20: ...mplitude Barrel Adjustment Zoom Mode PAL Adjustment Menu No 102 Input signal Crosshatch Measuring instrument Pattern generator PAL Use the CHANNEL keys to scoll through the adjustment menu and set to...

Страница 21: ...2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 JAPAN TEL 03 3827 3111 Printed in Singapore 9420208...

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