Mitsubishi VS-60111 Specifications Page 33
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Purpose:
Measuring
Instrument
Test Point
Measuring
Range
Input Signal
Ext. Trigger
Input Terminal
Symptom:
Purpose
Measuring
Instrument
Test Point
Measuring
Range
Input Signal
Ext. Trigger
Input Terminal
Symptom:
MODELS: VS-50111 / VS-60111 / WS-48311 / WS-55311 / WS-55411 / WS-65311 / WS-65411 / WS-73411
[Video Circuit]
Oscilloscope
JA pin 21
JB pin 3
------
------
Color Bars
Video
To match the sub picture color to that of the main picture.
Main and sub pictures colors differ.
1. Supply an NTSC signal to an External Video Input.
2. Select the NTSC signal as the source for both the main and sub pictures.
3. Connect an oscilloscope to connector JA pin 21 (Main PR).
4. Activate the Adjustment mode.
5. Select Item “2 COLM” in the Main Matrix Function.
6. Adjust data so the PR signal is 0.71 Vp-p max. - 0.66 Vp-p min
(If it cannot be adjusted within this range, set to the lower value)
7. Connect an oscilloscope to connector JB pin 3 (Sub PR).
8. Select item “2 COLS” in the Sub Matrix Function.
9. Adjust so Sub PR = Main PR.
3. Main/Sub Color Level
CIRCUIT ADJUST MODE
Activate …….. MENU-2-2-5-7
Function …...………..AUDIO
Item No. ……….…….VIDEO
Adjust Data ….…….ADJUST
Save Data …. ………ENTER
Exit …………..MENU (twice)
To set the cutoff point for all three CRTs.
Monochrome has a color tint, or incorrect brightness.
[CRT Circuit]
4. CRT Cutoff
Oscilloscope
TP6R, TP6G, TP6B
------
50V/Div. 2msec/Div.
None
Video Input
Note:
Use the Expand mode (full screen)
1. Select an External Input with no signal.
2. Enter the Adjustment Mode, Video Chroma Function.
3. Press “1”, automatically blanks the screen and sets COL to 0.
4. Set the data to the values given in the table below.
5. Connect the oscilloscope to TP6R.
6. Adjust the Red Screen VR so the black level is 170V, as shown below, or
198.5V ±1VDC using an DC Voltmeter.
7. Repeat Steps 4 and 5 to set the Blue and Green Screen VRs, using
TP6G and TP6B.
Note:
White Balance must be performed after this adjustment.
CIRCUIT ADJUST MODE
Activate …….. MENU-2-2-5-7
Function …...………..AUDIO
Item No. ……….…….VIDEO
Adjust Data ….…….ADJUST
Save Data …. ………ENTER
Exit …………..MENU (twice)
Item Abbr Data
1SCT42
2 SBRT 20
3SCON7
4RDRH31
5 GDRH 41
6 BDRH 31
7CTRH31
8CTGH31
9CTBH31
Cutoff Preset VC Data
- MITSUBISHI ELECTRIC 1
- CONTENTS 3
- INTRODUCTION 5
- PRODUCT SAFETY NOTICE 5
- SAFETY PRECAUTIONS 6
- WS-55411 WS-65411 WS-73411 10
- VS-50111 WS-55311 WS-65411 11
- VS-60111 WS-55411 WS-73411 11
- WS-65311 11
- VS-50111 WS-55311 12
- VS-60111 WS-65311 12
- WS-48311 14
- Table A 15
- Table B 15
- Figure 2-2 15
- CABINET SEPARATION PROCEDURE 16
- SERVICING THE DIAMONDSHIELD™ 17
- Side Molding Clips 17
- SERVICING PCBs 18
- ANODE LEAD REMOVAL 19
- CRT REPLACEMENT 19
- 2. Installation of the CRT 20
- ELECTRICAL ADJUSTMENTS 22
- 3. Initial Setup 23
- MAIN MENU DEFAULT SETTINGS 23
- AV Memory Initial Settings 24
- 5. Circuit Adjustment Mode 25
- Coarse Conv. Display 26
- E. COARSE CONV (Press 5) 27
- F. FINE CONV (Press 4) 27
- ADJUSTMENT ITEMS LIST 28
- 0~127 22 22 29
- DF (MENU-2-2-5-9-5) 30
- 0 DFH -220 -220 30
- 1 DFV -100 -140 30
- are activated 32
- 40% 30% 20% 10% 35
- 50% 0% 0% 0% 35
- 60% 70% 80% 90% 35
- Raster Color Selection 37
- Color Raster Activation Code 37
- Red MENU-2-2-5-9-1 37
- Green MENU-2-2-5-9-2 37
- Blue MENU-2-2-5-9-3 37
- Procedure 40
- Procedure 42
- CHIP PARTS REPLACEMENT 44
- REPLACEMENT PARTS 45
- REMOTE CONTROL 46
- INTEGRATED CIRCUITS 47
- TRANSISTORS 47
- TRANSFORMERS 50
- VARIABLE RESISTORS 50
- RESISTORS 50
- CAPACITORS & TRIMMERS 54
- SWITCHES 56
- MISCELLANEOUS 56
- PRINTED CIRCUIT BOARDS 57
- COSMETIC PARTS 57
- ACCESSORIES 57
- SCREEN ASSEMBLY PARTS 58
- (Figure 2) 59
- Figure 3: WS-48311 60
- POWER SUPPLY 61
- VIDEO/COLOR PATH 62
- SYNC PATH 63
- DEFLECTION / HV CIRCUIT 64
- REGULATION 66
- CONVERGENCE CIRCUIT 68
- CONTROL CIRCUIT 69
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