Magnavox 37MD359B Manuel de service Page 31
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Noté. / 5. Basé sur avis des utilisateurs
6-3 LC7NEA
The White Balance Adjustment should be
performed when replacing the LCD Panel
or Digital Main CBA.
3. White Balance Adjustment
Purpose: To mix red and blue beams correctly for
pure white.
Symptom of Misadjustment: White becomes bluish
or reddish.
1. Operate the unit for more than 20 minutes.
2. Input the White Raster(70%=70IRE, 40%=40IRE).
3. Set the color analyzer at the CHROMA mode and
zero point calibration. Bring the optical receptor
pointing at the center of the LCD-Panel at a
distance of 1.18 inches(3cm) away from the LCD-
Panel surface.
Note: The optical receptor must be set
perpendicularly to the LCD Panel surface.
4. Enter the Service mode. Press [VOLUME DOWN]
button on the service remote control unit and select
“C/D” mode.
5. [CUTOFF]
Press [1] button to select “COR” for Red Cutoff
adjustment. Press [3] button to select “COB” for
Blue Cutoff adjustment.
[DRIVE]
Press [4] button to select “DR” for Red Drive
adjustment. Press [6] button to select “DB” for Blue
Drive adjustment.
6. In each color mode, press [CHANNEL UP/DOWN]
buttons to adjust the values of color.
7. Adjust Cutoff and Drive so that the color
temperature becomes 12000°K (x
=
0.272 / y
=
0.278 ±0.005).
Test Point
Adj. Point Mode Input
Screen
[VOLUME
DOWN]
button
[VIDEO1]
C/D
White Raster
(APL 70%)
or
(APL 40%)
M. EQ. Spec.
Pattern Generator,
Color analyzer
x= 0.272 ± 0.005
y= 0.278 ± 0.005
Figure
Color Analyzer
Perpendicularity
INPUT: WHITE 70%, 40%
To avoid interference from ambient
light, this adjustment should be
performed in a dark room.
L = 1.18 inches
40%=40IRE
70%=70IRE
100IRE
100IRE
0IRE 0IRE
INPUT SIGNAL
Low
Light
High
Light
- SERVICE MANUAL 1
- IMPORTANT SAFETY NOTICE 2
- TABLE OF CONTENTS 3
- SPECIFICATIONS 4
- <DVD Section> 5
- LASER BEAM SAFETY PRECAUTIONS 6
- IMPORTANT SAFETY PRECAUTIONS 7
- Precautions during Servicing 9
- Safety Check after Servicing 10
- STANDARD NOTES FOR SERVICING 11
- Example : 13
- <Incorrect> 14
- <Correct> 14
- 1. Disassembly Flowchart 15
- 2. Disassembly Method 15
- Reference Notes 16
- [2] Rear Cabinet 17
- [1] Stand Assembly 17
- [3] DVD Main CBA Unit 18
- [4] DVD Mechanism 18
- [5] DVD Holder 18
- 5-5 A94F1DC 19
- 5-6 A94F1DC 20
- TV Cable Wiring Diagram 21
- 5-12 A94G2DC 26
- 5-13 A94G2DC 27
- “Circuit Board Assembly.” 29
- Service mode: 29
- 1. Purity Check Mode 30
- 2. VCOM Adjustment 30
- 3. White Balance Adjustment 31
- Flash Memory Clear : OK 32
- CHUCKING ON 32
- FIRMWARE RENEWAL MODE 33
- < LCD TV Section > 34
- Equipment Required 34
- Firmware Update Procedure 34
- TROUBLESHOOTING 35
- 9-2 A94F0TR 36
- 9-3 A94F0TR 37
- 9-4 A94F0TR 38
- 9-5 A94F0TR 39
- [ Video Signal Section ] 40
- 9-7 A94F0TR 41
- [ Audio Signal Section ] 42
- 9-9 A94F0TR 43
- 9-10 A94F0TR 44
- BLOCK DIAGRAMS 45
- 10-2 A9DG0BLS 46
- 10-3 A94F0BLV 47
- A94F0BLA 48
- A94F0BLD 49
- A94G2BLD 50
- Inverter Block Diagram 51
- A94G2BLINV 52
- Power Supply Block Diagram 53
- A94G2BLP 54
- A94F0BLSD 55
- 10-12 A94F0BLDD 56
- Standard Notes 57
- Unit: Volts 58
- A94F0SCM1 59
- A94F0SCM2 60
- A94F0SCM3 61
- A94F0SCM4 62
- A94F0SCINV 63
- A94G2SCINV 64
- A9DF1SCINV 65
- Function Schematic Diagram 66
- A94F0SCIR 67
- A94F0SCD1 68
- A94F0SCD2 69
- A94F0SCD3 70
- A94F0SCD4 71
- A94F0SCD5 72
- A94G2SCD1 73
- A94G2SCD2 74
- A94G2SCD3 75
- A94G2SCD4 76
- A94G2SCD5 77
- A94F0SCDV1 78
- A94F0SCDV2 79
- A94F0SCDV3 80
- Power Supply CBA Top View 81
- Power Supply CBA Bottom View 82
- BA94F0F01035-A 83
- BA94G0F01036-A 85
- BA01F4F01032-A 87
- BA94F0F01035-B 89
- BA94G0F01036-B 90
- BA01F4F01032-B 91
- BA94F0F01035-C 92
- BA94G0F01036-C 93
- BA01F4F01032-C 94
- Jack CBA Top View 95
- Jack CBA Bottom View 95
- BA94F0F01035 96
- BA94G0F01036 96
- BA01F4F01032 96
- LC7NWF112-1 97
- A9DF1WI1 100
- Wiring 1/2 Diagram 101
- A9DG0WI1 102
- Wiring 2/2 Diagram 103
- SYSTEM CONTROL TIMING CHARTS 104
- LEAD IDENTIFICATIONS 105
- See Electrical Parts List 106
- 37MD359B/F7, LD370SSX 108
- 16-4 A9DF1PEX 109
- 16-5 A9DG0PEX 110
- MECHANICAL PARTS LIST 111
- ELECTRICAL PARTS LIST 120
- 20090722 18-2 A94F0EL 121
- 20090722 18-3 A94F0EL 122
- 20090722 18-4 A94F0EL 123
- 20090722 18-5 A94F0EL 124
- INVERTER ASSEMBLY 125
- 20090722 18-7 A94F0EL 126
- 20090722 18-8 A94F0EL 127
- FUNCTION CBA 128
- IR SENSOR CBA 128
- JUNCTION CBA 128
- 20090722 18-11 A94F1EL 130
- 20090722 18-12 A94F1EL 131
- 20090722 18-13 A94F1EL 132
- JACK CBA(MPW-2) 133
- 20090722 18-16 A94F1EL 135
- 20090722 18-17 A94F1EL 136
- 20101006 18-20 A94G2EL 139
- 20101006 18-21 A94G2EL 140
- 20101006 18-22 A94G2EL 141
- 20101006 18-23 A94G2EL 142
- 20101006 18-25 A94G2EL 144
- 20101006 18-26 A94G2EL 145
- 20101006 18-27 A94G2EL 146
- 20100225 18-30 A9DF0EL 149
- 20100225 18-31 A9DF0EL 150
- 20100225 18-32 A9DF0EL 151
- 20100225 18-35 A9DF0EL 154
- 20100225 18-36 A9DF0EL 155
- 20100316 18-39 A9DF1EL 158
- 20100316 18-40 A9DF1EL 159
- 20100316 18-41 A9DF1EL 160
- 20100316 18-44 A9DF1EL 163
- 20100316 18-45 A9DF1EL 164
- 20111007 18-48 A9DF1(DS2A)EL 167
- 20111007 18-49 A9DF1(DS2A)EL 168
- 20111007 18-50 A9DF1(DS2A)EL 169
- 20111007 18-53 A9DF1(DS2A)EL 172
- 20111007 18-54 A9DF1(DS2A)EL 173
- 20100409 18-57 A9DG0EL 176
- 20100409 18-58 A9DG0EL 177
- 20100409 18-59 A9DG0EL 178
- 20100409 18-62 A9DG0EL 181
- 20100409 18-63 A9DG0EL 182
- 20100409 18-64 A9DG0EL 183
- 20100630 18-67 A9DG2EL 186
- 20100630 18-68 A9DG2EL 187
- 20100630 18-69 A9DG2EL 188
- 20100630 18-72 A9DG2EL 191
- 20100630 18-73 A9DG2EL 192
- 20100630 18-74 A9DG2EL 193
- 20110617 18-77 A9DG0(DS4A)EL 196
- 20110617 18-78 A9DG0(DS4A)EL 197
- 20110617 18-79 A9DG0(DS4A)EL 198
- 20110617 18-82 A9DG0(DS4A)EL 201
- 20110617 18-83 A9DG0(DS4A)EL 202
- 20110617 18-84 A9DG0(DS4A)EL 203
- REVISION HISTORY 205
- COMPARISON LIST OF MODEL NAME 206
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