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TV-AN1410
NH
SERVICE MANUAL
COLOR TELEVISION
• This Service Manual contains the additional information "NOTICES BEFORE REPAIRING",
"DISASSEMBLY INSTRUCTIONS" and "ADJUSTMENT" for the model TV-AN1410 (NH).
If requiring the other information, see Service Manual of TV-AN1410 (NH),
(S/M Code No. 09-99B-417-4R1).
S/M Code No. 09-004-417-4S1
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Summary of Contents for Aiwa TV-AN1410
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Page 1: Service Manual
COLOR TELEVISION • This Service Manual contains the additional information “NOTICES BEFORE REPAIRING”, “DISASSEMBLY INSTRUCTIONS” and “ADJUSTMENT” for the model TV-AN1410 (NH). If requiring the other information, see Service Manual of TV-AN1410 (NH), (S/M Code No. 09-99B-417-4R1). S/M Code No. 09-004-417-4S1... -
Page 2: Notices Before Repairing
NOTICES BEFORE REPAIRING To make the best use of this equipment, make sure to obey the following items when repairing (or mending). 1. Do not damage or melt the tunicate of the leading wire on Insulation resistance: 1 M (500 V/s) the AC1 side, including the power supply cord. -
Page 3: Rear Cabinet Removal
DISASSEMBLY INSTRUCTIONS REAR CABINET REMOVAL Front cabinet Remove four screws 1 and three screws 2, then remove the rear cabinet in the direction of the arrow. (See Fig. 1-1) Rear cabinet Fig. 1-1 HIGH-VOLTAGE CAP (ANODE CAP) REMOVAL 2-1. Cautions before Removing Anode cap Discharge the anode voltage The anode voltage is not discharged completely from the... - Page 4 Push the anode cap with your thumb in the direction of arrow 1 as shown in the figure, then lift the cap in the direction of arrow 2 to release the hook on one side. (See Fig. 2-3) Anode cap Hook Hook Fig.
- Page 5 Eliminate twisting, etc. of the high-voltage cable and High-voltage cable Anode cap arrange it so that no twisting occurs. (See Fig. 3-3) Caution : If the cable is not arranged correctly, the anode cap could turn and cause an installation defect. Fig.
- Page 6 Apply the hook on one side to the anode button as shown on the figure. (See Fig. 3-6) Caution : Check that the hook is held securely. Apply the hook on the other side to the anode button as shown in Fig. 3-7. Anode button Hook Hook...
- Page 7 NK C.B. (PWB, NK) REMOVAL Front cabinet Disconnect CN903 (CRT GND). Disconnect CN901, CN902. Remove the NK C.B. in the diection of arrow 1. CN801 (Power Cord) (See Fig. 4-1) CN802 (Degauss cord) MAIN C.B. (PWB, MAIN) REMOVAL Remove connector (CN401). NK C.B Remove connector (CN801).
- Page 8 ADJUSTMENT Set-Up For Adjustment 1. CRT Adjustment Because the video signal output from a pattern generator is used as the 1-1. Precautions adjustment signal input during adjustment, the video signal output from the pattern generator must conform with the specifications. Measure the (1) Receive the white raster signal, and then perform aging for at least output waveform across 75 load.
- Page 9 (2) Beam convergence adjustment (4-pole magnet) (3) Beam convergence adjustment (6-pole magnet) With a 4-pole magnet align the G beam with the already aligned Align the R beam with the B beam. The G beam does not move R/B beam. with this adjustment.
- Page 10 1-3. Beam Landing Adjustment As there is occurrence of convergence distortion after completing the landing adjustments, be sure to carry out convergence (1) Receive the green raster signal from the pattern generator. adjustments. (2) Loosen the magnet lock screw, and shift the magnet assembly backward (toward the neck).
- Page 11 1-4. Beam Center Convergence Adjustment 1-5. The Surrounding Convergence Adjustment Perform this adjustment after completion of adjustment 1-4. Make adjustments on the convergence with 4-pole and 6-pole magnets. (1) Shake the deflecting yoke up, down to the right and left, and adjust Operate each magnet in relation to the electron beam as shown in any discrepancies in the screen’s surroundings.
- Page 12 Setting Of IIC Bus Data This model is designed to adjust most parts of the image projection and deflection by using the jig remote controller. Preparations: • Modify the hidden keys on the RC-6VT06 jig remote controller (TV-C142/86-LB4-951-010) so that they can easily be pressed. 2 keys to be modified (Refer to the below illustration).
- Page 13 3. Display of “CRT ON” accumulated hours The CRT usage time is accumulated on an hourly basis and is displayed in hexadecimal figures. Sample calculation of displayed hexadecimal figures : AFT OK 1234 H IN-ST * The display will be reset to 0000H when the accumulated hours exceed 7FFFH(32768 hours).
- Page 14 Electrical Adjustment MAIN C.B (Top View) SW801 POWER T601 (FBT) T601 (FBT) FOCUS SCREEN J402 VIDEO 1 INPUT OUTPUT (REAR) C213 C332 TP202(FM-DET) R211 TP201(AFT) TP203 J401 TU101 VIDEO 2 IN AERIAL IC301 (FRONT) L205 P-IF TP102(IF) TP302 R101 R103 (PIN 3) J403 BT301...
- Page 15 Menu Screen Adjustment • Operate after inputting the following initial figures when replacing EEP ROM. • Check the condition and adjust the area where the general repair is carried out. Initial Figures PAGE 1 1. H POS 2. V POS 3.
- Page 16 1-4. OSD POS OSD Positioning Adjustment / Adjustment Menu Screen : PAGE 1-4 PAGE 1 Input signal : Not specified • Using the volume keys on the jig remote controller, adjust + marks on both side to be an equal distance from the edge of the screen. A=B. (Fig.
- Page 17 Drive Adjustment : 2-3. Using the volume keys on the jig remote controller, adjust the figure of 4. G DRIVE to more than 200 until the screen becomes a greenish color. 2-4. Reduce the figure to the point where the greenish color disappears. 2-5.
- Page 18 3-3. SUB TINT Sub-tint Adjustment / Adjustment Menu Screen : PAGE 3-3 Input signal : Color bar VIDEO IN Measuring instrument : Oscilloscope Pattern generator/Leader : LCG-404 Test point : TP302/BT301 (wire connector) PIN 3 1. Connect oscilloscope to TP302. 2.
- Page 19 Tuner Adjustment: Perform the following adjustment in case of replacing any adjustment element during the repair. Proceed with the following adjustments as well as in the adjustment menu screen. If those adjustments are not completed on both sides, the required adjustment will not be registered even thought the adjustment has been processed in the adjustment menu screen.
- Page 20 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9420025 Printed in Singapore...