Sony TRINITRON RM-Y156, Service Manual

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KV-21ME43 KV-21ME43
KV-21ME43 KV-21ME43
KV-21ME43
Screen-Corner Convergence Screen-Corner Convergence Screen-Corner Convergence Screen-Corner Convergence Screen-Corner Convergence
1. Affix a permalloy assembly corresponding to the
misconverged areas.
b a
c d
a
b
d
a-d: screen-corner
misconvergence
c
3-3. FOCUS 3-3. FOCUS 3-3. FOCUS 3-3. FOCUS 3-3. FOCUS
1. Adjust FOCUS control for best picture.
FOCUS
SCREEN
(FV)
(G2)
3-4. SCREEN (G2) 3-4. SCREEN (G2) 3-4. SCREEN (G2) 3-4. SCREEN (G2) 3-4. SCREEN (G2)
1. Input a dots pattern.
2. Set the PICTURE and BRIGHTNESS controls at minimum
and COLOR control at normal.
3. Adjust SBRT, GCUT, BCUT in service mode with an
oscilloscope as shown below so that voltages on the red,
green, and blue cathodes are 170 VDC.
Pedestal
170 VDC
Ground
4. Observe the screen and adjust SCREEN (G2) VR to obtain
the faintly visible background of dot signal.
3-5. 3-5. 3-5. 3-5. 3-5. METHOD OF SETTING THE SERVICE METHOD OF SETTING THE SERVICE METHOD OF SETTING THE SERVICE METHOD OF SETTING THE SERVICE METHOD OF SETTING THE SERVICE
ADJUSTMENT MODE
ADJUSTMENT MODE ADJUSTMENT MODE ADJUSTMENT MODE ADJUSTMENT MODE
Service Mode Procedure Service Mode Procedure Service Mode Procedure Service Mode Procedure Service Mode Procedure
1. Standby mode (power off).
2.
Display Channel 5 Sound volume Power ON
+
on the Remote Commander (press each button within a
second).
Service Service
Service Service Service Adjustment Mode In
Adjustment Mode In
Adjustment Mode In Adjustment Mode In Adjustment Mode In
1. The CRT displays the item being adjusted.
SERVICE HSIZ 0
Disp.
(Item)
Item
Data
2. Press or on the Remote Commander to select the
item.
3. Press or on the Remote Commander to change the
data.
4. Press then to save into the memory.
Service Service Service Service Service Adjustment Mode Memory Adjustment Mode Memory Adjustment Mode Memory Adjustment Mode Memory Adjustment Mode Memory
Turn set off then on to exit service adjustment mode.
SERVICE WRITE
Green
Red
MUTING
ENTER
3-6. WHITE BALANCE 3-6. WHITE BALANCE 3-6. WHITE BALANCE 3-6. WHITE BALANCE 3-6. WHITE BALANCE ADJUSTMENTS ADJUSTMENTS ADJUSTMENTS ADJUSTMENTS ADJUSTMENTS
1. Input an entire white signal.
2. Set to Service Adjustment Mode.
3. Set DCOL to “0”.
4. Set the PICTURE and BRIGHTNESS to minimum.
5. Adjust with SBRT if necessary.
6. Select GCUT and BCUT with and .
7. Adjust with and for the best white balance.
8. Set PICTURE and BRIGHTNESS to maximum.
9. Select GDRV and BDRV with and .
10. Adjust with and for the best white balance.
11. Reset DCOL to “1”.
12. To write into memory, press then .