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Layout of each control 1. 2. 3.
3-3. Focus Adjustment
Receive a television broadcast signal. Normalize the picture setting. Adjust the focus control located on the flyback transformer to obtain the best focus at the centre of the screen. Bring only the centre area of the screen into focus, the magentaring appears on the screen. In this case, adjust the focus to optimize the screen uniformly.
Purity magnet BMC (Hexaploe) magnet V STAT convergence magnet Y-splitting axis correction magnet
Focus
Note : If you are unable to adjust the corner convergence properly, this can be corrected with the use of permalloy magnets.
Screen
a b
a-d: screen-corner convergence defect c d
3-4. Screen (G2), White Balance
[Adjustment in the service mode using the remote commander] G2 adjustment 1. 2. 3. 4. Input a dot signal from the pattern generator. Set the Picture, Brightness and Colour to minimum. Apply 175V DC from an external power supply to the R, G and B cathodes of the CRT. Whilst watching the picture, adjust the G2 control [SCREEN] located on the flyback transformer to the point just before the flyback return lines disappear. White balance adjustment for TV mode
a
Install the permalloy assembly for the area that needs correcting.
1. 2. 3.
b
4. 5. 6. 7. 8.
Permalloy Assy X-4387-214-1
9. 10. 11.
c
12. 13. 14.
d
Convergence adjustment with permalloy
15.
Input an all-white signal from the pattern generator. Program the Remote Commander for operation in Service Mode. [ See Page 22 ]. Enter into the `Service Mode' by pressing `AUX/VIDEO' button twice and `MENU' on the Service Commander. Select `Service' from the on screen menu display and press `Right Arrow'. The `Service' menu will appear on the screen.[See Page 22] Select `Picture' from the on screen menu and press right arrow. Select `Picture settings' from the on screen menu and press right arrow and set the `Contrast_Max' to MAX. Select `White Balance' from the on screen menu and press right arrow. The `White Balance' menu will appear on the screen. Set the `Normal_PAL_RD' to 465. Adjust the `Normal_PAL_GD' and the `Normal_PAL_BD' so that the white balance becomes optimum. Select `Picture settings' from the on screen menu and press right arrow and set the `Contrast_Min' to MIN. Set the `Normal_PAL_RC' to 121. Adjust the `Normal_PAL_GC' and the `Normal_PAL_BC' with the left and right buttons on the commander so that the white balance becomes optimum. Press the `OK' button to write the data for each item.
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SECTION 4 CIRCUIT ADJUSTMENTS
4-1. Electrical Adjustments
Service
Service adjustments to this model can be performed using the supplied remote Commander RM-945. Programming the Remote Commander for Operation in Service Mode 1. Press and hold the left Mode Select button until the VCR and DVD LED's flash. Press 99999. The TV LED should light. The remote commander is now set to Service Mode. To return the remote commander to normal operation mode repeat step 1. then press 00000. The TV LED should light. The remote commander is now set to normal mode. Setting the TV into Service Mode 1. Program the remote commander for operation in Service Mode as described above. Turn on the TV main power switch. Press the `aux/video' standby button on the remote commander twice. `TT ' will appear in the upper right corner of the screen. Other status information will also be displayed. Press `MENU' on the remote commander to obtain the following menu on the screen.
Geometry Picture Audio Select: Select Item: Previous Menu:
2.
Geometry Wide mode adjustment Screen offsets Frequency offsets Select: Select Item: Previous Menu:
3.
Wide mode adjustment Description V AMP V ZOOM V POS V LIN V SCORR H WIDTH V TRAP PIN AMP UP COR LOW COR H POS ANGLE BOW H LIN H TRAP H SCORR UP COR 6 LOW COR 6 PIN UNBAL MID PIN Select: (min,max) (-128,127) (0,510) (-512,511) (-128,127) (-128,1270) (-256,255) (-128,127) (-511,511) (-128,127) (-128,127) (-600,600) (-511,511) (-511,511) (0,255) (0,255) (0,255) (-128,127) (-128,127) (-240,240) (-240,240) Select Item: Default 35 256 -10 0 4 63 1 -80 -1 -2 10 -1 8 85 138 100 -1 0 -40 -60 Value 35 256 -10 0 4 63 1 -80 -1 -2 10 -1 8 84 138 100 -1 0 -40 -60
2. 3.
4.
Ser vice Main Menu:AE6BA/Y (v0.26D) Ser vice Design Error
NVM VERSION:04H
Select:
Select Item:
FACTORY INFO:FFH FFH 03H
Previous Menu:
5. 6. 7.
Move to the corresponding adjustment item using the up or down arrow buttons on the Remote Commander. Press the right arrow button to enter into the required menu item. Press the `aux/video' button on the Remote Commander to quit the Service Mode when all adjustments have been completed.
Picture White balance Colour Tone Picture settings Select: Select Item: Previous Menu:
Note : · After carrying out the service adjustments, to prevent the customer accessing the `Service Menu' switch the TV set OFF and then ON.
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Picture settings Description SUBCOLOR PAL SUBCOLOR SECAM SHP MAXLTI SHP MAXPEAK CONTRAST MIN CONTRAST MAX BRIGHT EXPAND BRIGHT CENTER Select: (min,max) (0,63) (0,63) (0,31) (0,15) (0,63) (0,63) (0,511) (-256,255) Select Item: Default 31 31 31 15 17 59 400 10 Value 34 34 20 12 17 59 400 40
Error monitor WORKING TIME: Error counters: E02: OCP E03: OVP E04: NO V SYNC E05: IKR E06: IIC E07: NVM E08: H PROT E09: TUNER E10: SOUND E11: 9 VOLTS E12: SCANRATE E13: 3DCOMB E14: BACKEND E15: DYNCON E16: HIGH VOLTAGE E17: AVSWITCH E18: CHROMA DEC E19: FRCA E20: PJ ENG E21: DAC E24: SPEAKER PROT E25: MEMORY STICK Select: (Hours:Minutes) 82:33 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Previous Menu:
Previous Menu:
Audio BBE OFF mode BBE Natural/V.Dolby offsets BBE Dynamic offsets BBE Cinema offsets Subwoofer level adjustments Audio detection thresholds Select: Select Item: Previous Menu:
BBE OFF mode Description SW_FREQ_OFF BAND1_OFF_OFFSET BAND2_OFF_OFFSET BAND3_OFF_OFFSET BAND4_OFF_OFFSET BAND5_OFF_OFFSET BBE_LOUDNESS_OFF Select: (min,max) (5,40) (-96,96) (-96,96) (-96,96) (-96,96) (-96,96) (0,68) Select Item: Default 20 0 0 0 0 0 0 Value 20 0 0 0 0 0 0
Sub Brightness Adjustment 1. 2. 3. 4. Input a Monoscope pattern. Program the Remote Commander for operation in Service Mode. [ See Page 22 ]. Press `AUX/VIDEO' `AUX/VIDEO' 13 on the Remote Commander. Adjust the `Sub-Brightness' data so that there is barely a difference between the 0 IRE and 10 IRE signal levels. Sub Contrast Adjustment 1. 2. 3. 4. Input a video signal that contains a small 100% white area on a black background. Connect an oscilloscope to Pin 10 of J7330 [C Board]. Program the Remote Commander for operation in Service Mode. [ See Page 22 ]. Adjust the Sub-Contrast [ Using `AUX/VIDEO' `AUX/VIDEO' `11' ] to obtain a voltage of 114 +0/- 5V.
Previous Menu:
Design CXA2149 - AVSwitch Device DDP3315 - Backend Device MSP3411 - Sound Processor Device TDA988x - IF Device TUA60xx - PLL Device VSP9427 - Video Processor Device CXA2019 - Chroma Decoder CXD3804 - 3D Comb Filter CXA8070 - Dynamic Convergence Device FRC9429 - FRCA Device PJ Engine Select: Select Item: Previous Menu:
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Sub Colour Adjustment 1. 2. 3. 4. Receive a PAL colour bar signal. Connect an oscilloscope to Pin 5 of CN7331 [C Board]. Program the Remote Commander for operation in Service Mode. [ See Page 22 ]. Adjust the `Sub Colour' [ Using `AUX/VIDEO' `AUX/VIDEO' `12' ] so that the Cyan, Magenta and Blue colour bars are of equal levels as indicated below.
4-2. TEST MODE 2:
Test Mode 2 is available by programming the Remote Commander for operation in Service Mode [ As shown on Page 22 ] then pressing the `AUX/VIDEO' button twice, OSD `TT' appears. The functions described below are available by selecting the two numbers. To release `Test mode 2', press 00, or switch the TV set into Stand-by mode.
00 01 02 03 04 05 06 07 08 11 12 13 15 16 19 21 22 24 35 36 43 44 45 46 49 53 62 73 74 78 79 87 91 92 93 94 95 96 99 'TT' mode off Set picture level to maximum Set picture level to minimum Set speaker/headphone Volume to 35% Set speaker/headphone Volume to 50% Set speaker/headphone Volume to 65% Set speaker/headphone Volume to 80% Ageing mode on Shipping Condition Sub picture adjustment Sub colour adjustment Sub brightness adjustment Rotation coil test Picture level 50% Factory mode enable/disable Destination ADEKR Destination BL Destination U Wide model selection VM off/on test Select Dual A sound Select Dual B sound Select Mono sound Select Stereo sound Set NVM as virgin FM Overmodulation enable/disable AM from baseband enable/disable Enable Zweiton D/K2 system (6.5/6.74) Enable Zweiton D/K3 system (6.5/6.74) Balance full left Balance full right Local keys test Set 14:9 zoom mode Set Smar t zoom mode Set 16:9 zoom mode Set ZOOM zoom mode Set 4:3 zoom mode Set Smar t zoom mode (for FX66) DisplayError and Working Time menu
Same Level
B-Out Waveform
Deflection System Adjustment 1. Program the Remote Commander for operation in Service Mode. [ See Page 22 ] and enter into the `Geometry' service menu, Wide mode adjustment. Select and adjust each item in order to obtain the optimum image.
2.
V LIN
BOW
V POS
H POS
PIN AMP
V TRAP
UP COR
ANGLE
LOW COR
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