20A1-RU
21A1-RU
21A2-RU
1 VY : 0.310
LOWHIGH
° KX : 0.300° K
1 2 3 4 5
3.0Vdc01, 2, 3 are in same black level.
Refer to Page 6. # 7500( MINOLTA COLOUR ANALYZER CA-100) *NOTE: Above DATA can be UP/ DOWN by volume key.14"10cd/m2200cd/m2 20"/21"10cd/m2120cd/m2* 7500DRI-GW="DRI-GS"DATA-5 DRI-BW="DRI-BS" DATA-5
A)A.
mm
A.
m
100
?
8-2
adjustment must be done after
Range: 1 V/Div (DC) Sweep: 5 msec/Div
°K ( white ).warming up the unit for 30 minutes or longer with a beam current over 700
NO VIDEO signal.IC801.(TP852)3.0 Vdc + 0.1 Vdc.hatch pattern with 5 black level windows)the line 1, 2 and 3 have the same darkness wherelse line 4 is slightly brighter than line 1, 2 and 3 and finally line 5 will be the brighter than line 4.( - ) TP 603 ( + ).DRI-BS data to have a colour temperature of 7500and set BRIGHTNESS Y by generator, to ** 10 cd/m2 (MINOLTA CA-100) by reducing LUMINATE Y signal.back NORMAL mode (HIGH BRIGHT**) to check colour temperature. If out of range, back to (1).Note:This DATA, after finishing DRI-BS and DRI-GS DATA ADJUSTMENT. DRI-RW=32 (FIXED), DRI-GW="DRI-GS"-7*, DRI-BW="DRI-BS"-7*DRI-RC=25*, DRI- BC="DRI-BS", DRI-GC="DRI-GS"-7*and TP602 (�). (Full Scale: 3 mA Range)
1.Switch TV to VIDEO mode,BLUE BACK OFF, with2.Press R/C to set Picture Normal condition. 3.Connect the oscilloscope to Red OUT from4.Adjust SCREEN VR ,so that the tip of signal reach1.Call " SUB-BRI" in service mode. (Receive Cross-2.Adjust the " SUB BRIGHT " bus data in order that1. Receive the "Monoscope Pattern" signal. 2. Press R/C to set Picture NORMAL condition. 3. Connect the DC miliammeter between the TP 6024. Check Beam current should be around 1100 5. Set it to service mode and adjust the DRI-GS, &6.Receive "WHITE" pattern, WITH BURST signal,7. Adjust "CUT-R" & "CUT-G" to get 7,500. Then go*ADJUST DRI-GC/GW, DRI-BC/BW as following1.Receive the "Monoscope Pattern" signal. 2.Press R/C to set Picture NORMAL condition. 3.Connect the DC miliammeter between TP603 (+)4.Beam current must be within 1100
2C BUS2C BUS
CRT CUTOFF ADJUSTMENT (ICONTROL)SUB-BRIGHT- NESS ADJUSMENT (I CONTROL)WHITE BAL- ANCE SERV- ICE MODE ADJ. (I2C BUS CONTROL)Maximum beam check
1234
CRT CUT-OFF, BACKGROUND AND SUB-CONTRAST ADJUSTMENTNo.Adjusting pointAdjusting procedure/conditionsWaveform and others
!
B G RR G BAbout 100Wedge "c"
40cm
CRT neck
RGBBGR
BGRFig. 5-1RGBFig. 5-2Fig. 5-3Fig. 5-4Wedge "a"6-pole magnet
Lacquer
4-pole magnet
B G RR G B!Lacquer
About 100Wedge "b"
Purity magnet
8-1
the deflection coil upward.and swing the deflection coil downward.the deflection coil rightward.the deflection coil leftward.
gle in order to superpose the blue and red col- ours.gle in order to superpose the green colour over the blue and red colours.screen in the following steps. a)Fig. 5-1: Drive the wedge at point "a" and swingb)Fig. 5-2: Drive the wedge at points "b" and "c"c)Fig. 5-3: Drive the "c" wedge deeper and swingd)Fig. 5-4: Drive the "b" wedge deeper and swingtape over them.magnet unit (purity, 4-pole, 6-pole magnets) and magnet unit lock screw.Finally received the Red-only and Blue-only sig- nals to make sure there is no other colours on the screen.
CONVERGENCE ADJUSTMENT
1.Receive the "Crosshatch Pattern" signal. 2.Using the remote controller, call NORMAL mode.STATIC CONVERGENCE 1.Turn the 4-pole magnet to a proper opening an-2.Turn the 6-pole magnet to a proper opening an-DYNAMIC CONVERGENCE 1.Adjust the convergence on the fringes of the2.Fix all the wedges on the CRT and apply glass3.Apply lacquer to the deflection yoke lock screw,
CONVERGENC ADJ. ( To be done after the purity adjustment.
1
No.Adjusting pointAdjusting procedure/conditionsWaveform and others
8 |
ACEC
