Sony KV-21FA315 Service Manual ▷ View online
46
KV-21FA315/21FA515/29FA315/29FA515
KV-21FA315/21FA515/29FA315/29FA515
47
KV-21FA315/21FA515/29FA315/29FA515
KV-21FA315/21FA515/29FA315/29FA515
4-5. ID MAP TABLE
ID 0
ID 1
ID 2
ID 3
ID 4
ID 5
ID 6
ID 7
KV- 21FA315
81
15
71
128
168
18
32
97
KV-29FA315
81
15
71
128
168
16
32
97
KV-21FA515
81
15
79
128
168
19
32
97
KV-29FA515
81
15
79
128
168
17
32
97
Model
Dstination
Latin North
Latin South
Note: The Device name for ID Map group is “Feature”
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KV-21FA315/21FA515/29FA315/29FA515
KV-21FA315/21FA515/29FA315/29FA515
11. Press 3 or 6 to adjust the value of SCON to 85 ± 2Vpp.
85 + 2Vpp
12. Repeat steps 5 thru 8 to reset GON and BON values to “1”.
R
ON:
ON
(1)
G
ON:
ON
(1)
B
ON:
ON
(1)
13. Press MUTING then ENTER to write into memory.
Display Position Adjustment (DISP)
1. Input a color-bar signal.
2. Access Service Adjustment Mode.
3. Press 2 or 5 to select the Microprocessor device.
4. Press 1 or 4 to display the DISP OSD item.
5. Press 3 or 6 to adjust characters to the center.
6. Press MUTING then ENTER to write into memory.
7. Check to see if the text is displayed on the screen.
7. Check to see if the text is displayed on the screen.
Sub Bright Adjustment (SBRT)
1. Input a monoscope signal.
2. Access Service Adjustment Mode.
3. Set the PICTURE and BRIGHTNESS to minimum.
4. Press 2 or 5 to select the VP1 device.
5. Press 1 or 4 to display the SBRT OSD item.
6. Press 3 or 6 to obtain a faintly visible 20 IRE mark, after that
increase +3 steps.
7. Press MUTING then ENTER to write into memory.
4-6. WHITE BALANCE ADJUSTMENTS
1. Input an entire white signal with burst.
2. Access Service Adjustment Mode.
3. Set the PICTURE and BRIGHTNESS to minimum.
4. Adjust with SBRT if necessary.
5. Press 2 or 5 to select the VP1 device.
6. Press 1 or 4 to display the GCUT OSD item.
7. Press 3 or 6 to adjust for the best white balance.
8. Press 1 or 4 to display the BCUT OSD item.
9. Press 3 or 6 to adjust for the best white balance.
10. Set the PICTURE and BRIGHTNESS to maximum.
11. Press 1 or 4 to display the GDRV OSD item.
12. Press 3 or 6 to adjust for the best white balance.
13. Press 1 or 4 to display the BDRV OSD item.
14. Press 3 or 6 to adjust for the best white balance.
15. Press MUTING then ENTER to save into the memory.
4-7. A BOARD ADJUSTMENTS
H. Frequency (Free Run) Check
1. Input a TV mode (RF) with no signal.
2. Connect a frequency counter to base of Q501
(TP-25 H. DRIVE) on the A Board.
3. Check H. Frequency for 15735 ± 200 Hz.
V. Frequency (Free Run) Check
1. Select video 1 with no signal input.
2. Set the conditions for a standard setting.
3. Connect the frequency counter to TP-27 (V OUT) or CN501 pin 6
(V DY+) and ground on the A Board .
4. Check that V. Frequency shows 60 ± 4 Hz.
Drive (SCON)
1. Input a color-bar signal and set the level to 75%.
2. Set in Pro mode + PICTURE MAX.
3. Access Service Adjustment Mode.
4. Press 2 or 5 to select the VP1 device.
5. Press 1 or 4 to display the GON OSD item.
6. Press 3 or 6 to adjust to 0.
7. Press 1 or 4 to display the BON OSD item.
8. Press 3 or 6 to adjust to 0.
Note: Leave RON set to “1”.
R
ON:
ON
(1)
G
ON:
OFF
(0)
B
ON:
OFF
(0)
9. Connect an oscilloscope probe to C Board, CN705 pin3 (KR).
10. Press 1 or 4 to display the SCON OSD item.
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KV-21FA315/21FA515/29FA315/29FA515
KV-21FA315/21FA515/29FA315/29FA515
Sub Hue, Sub Color Adjustment
(SHUE, SCOL)
1. Input color-bar signal at 75%.
2. Access Service Adjustment Mode.
3. Set (PIC) to Max and (COL) to 50%.
4. Connect an oscilloscope probe to C Board, CN705 pin 4 (Blue Out).
5. Press 2 or 5 to select the VP1 device.
5. Press 2 or 5 to select the VP1 device.
6. Press 1 or 4 to display the SHUE or SCOL OSD item.
7. While showing the SHUE OSD item, adjust the waveform by pressing
3 or 6 until the second and third bars show the same level
(V2 = V3 < 0.15Vp-p). Set Sub Hue -2 Step.
8. While showing the SCOL OSD item, adjust the waveform by pressing
3 or 6 until the fi rst and fourth bars show the same level
(V1 = V4 < 0.15Vp-p). Set Sub Col + 2 Step.
V1 V2 V3 V4
9. Press MUTING then ENTER to write into memory.
V. Size Adjustment (VSIZ)
1. Input a crosshatch signal.
2. Access Service Adjustment Mode.
3. Press 2 or 5 to select the DEF device.
4. Press 1 or 4 to display the VSIZ OSD item.
5. Adjust value of VSIZ by pressing 3 or 6 for the best vertical size.
6. Press MUTING then ENTER to write into memory.
V. Center Adjustment (VPOS)
Perform this adjustment after performing H. Frequency
(Free Run) Check.
1. Input a crosshatch signal.
(Free Run) Check.
1. Input a crosshatch signal.
2. Access Service Adjustment Mode.
3. Press 2 or 5 to select the DEF device.
4. Press 1 or 4 to display the VPOS OSD item.
5. Adjust value of VPOS by pressing 3 or 6 for the best vertical center.
6. Press MUTING then ENTER to write into memory.
H. Center Adjustment (HPOS)
Perform this adjustment after performing H. Frequency (Free Run)
Check.
1. Input a crosshatch signal.
Check.
1. Input a crosshatch signal.
2. Access Service Adjustment Mode.
3. Press 2 or 5 to select the DEF device.
4. Press 1 or 4 to display the HPOS OSD item.
5. Adjust the value of HPOS by pressing 3 or 6 for the best horizontal
center.
6. Press MUTING then ENTER to write into memory.
H. Size Adjustment (HSIZ)
1. Input a monoscope signal.
2. Access Service Adjustment Mode.
3. Press 2 or 5 to select the DEF device.
4. Press 1 or 4 to display the HSIZ OSD item.
5. Adjust value of HSIZ by pressing 3 or 6 for the best horizontal size.
6. Press MUTING then ENTER to write into memory.
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