SONY KV-32S40 - KV-32S45 - KV-34SL40T - KV-34SL45 - KV-35S40 - KV-35S45 - KV-37SL45 - KV-32V40 - KV-32V65 - KV-35V65 - KV-37VL65 SERVICE MODE AND POWER SUPPLY CIRCUIT

SONY KV-32S40 - KV-32S45 - KV-34SL40T - KV-34SL45 KV-35S40 - KV-35S45  - KV-37SL45 - KV-32V40  - KV-32V65 - KV-35V65 - KV-37VL65

 CRT TV


 SERVICE MODE AND POWER SUPPLY CIRCUIT 

SERVICE MODE PROCEDURE
1. Standby mode. (Power off)
2. DISPLAY >5 >VOLUME + >POWER ON  …on the Remote Commander. (Press each button within a second.)
3. The CRT displays the item being adjusted.
4. Press 1 or 4 on the Remote Commander to select the item.
5. Press 3 or 6  on the Remote Commander to change the data.
6. Press MUTING  then ENTER to write into memory.
7. Press 8 then ENTER on the Remote Commander to initialize.
Carry out step 7 when adjusting IDs 0 to 4 and when replacing and adjusting IC002.
WARNING: Do NOT turn off the power or AC immediately after pressing MUTING  then ENTER  . Wait at least 10 seconds.
SUB BRIGHT ADJUSTMENT (SBRT)
1. Set to Service adjustment Mode.
2. Input a gray scale pattern signal.
3. Set the PICTURE to minimum, and BRIGHT to normal.
4. Select SBRT with 1and 4.
5. Adjust SUB BRIGHT level with 3 and 6 so that the stripe second from the right is faintly visible.
6. Write into the memory by pressing MUTING  then ENTER
SUB CONTRAST ADJUSTMENT (SCON)
1. Input a color-bar signal.
2. Set to Service adjustment Mode.
3. Select the item DCOL to "0" level.
4. Set the conditions as follows.
PICTURE . . . . . . . . . . . MAX
COLOR . . . . . . . . . . . MIN
BRIGHT . . . . . . . . . . . CENTER
R ON . . . . . . . . . . . ON (1)
G ON . . . . . . . . . . . OFF (0)
B ON . . . . . . . . . . . OFF (0)
5. Connect an oscilloscope probe to C Board, CN1761 pin 1 (RED OUT).
6. Select SCON with 1 and 4 .
7. Adjust with and for: 2.10 ± 0.01 Vp-p.
8. Reset the item DCOL to "1" level.
9. Write the memory by pressing MUTING then ENTER
10. Return the following back to normal after adjustment.
PICTURE . . . . . . . . . . . MAX
COLOR . . . . . . . . . . . CENTER
BRIGHT . . . . . . . . . . . CENTER
R ON . . . . . . . . . . . ON (1)
G ON . . . . . . . . . . . ON (1)
B ON . . . . . . . . . . . ON (1)
DISPLAY POSITION ADJUSTMENT (DISP)
1. Input a color-bar signal.
2. Set to Service adjustment Mode.
3. Select DISP with 1 and 4 .
4. Adjust with 3 and  6 for adjustment of characters to center .
5. Write the memory by pressing MUTING then ENTER .
SUB HUE, SUB COLOR ADJUSTMENT (SHUE, SCOL)
1. Input a color-bar signal.
2. Set to Service adjustment Mode.
3. Connect oscilloscope probe to C Board, CN1761 Pin3 (BLUE OUT).
4. Select SHUE and SCOL with 1 and 4 .
5. Adjust with 3 and 6 for the V1 = V4 ± 0.1Vp-p (SCOL) and V2 = V3 ± 0.1Vp-p (SHUE).
6. Change data according to the following table;

SCOL
SHUE
32"
+2 steps
-1 steps
35"
+2 steps
-1 steps

7. Write into the memory by pressing MUTING then ENTER
V. SIZE ADJUSTMENT ( VSIZ)
1. Input a cross-hatch signal.
2. Set to Service adjustment mode.
3. Select VSIZ with 1 and 4.
4.Adjust with 3 and 6  for the best vertical size.
5.Write into the memory by pressing MUTING  then ENTER.
V. POSITION ADJUSTMENT (VPOS)
1.Input a cross-hatch signal.
2.Set to Service adjustment Mode.
3.Select VPOS with 1 and 4  .
4.Adjust with 3 and  6 for the best vertical center.
5.Write into the memory by pressing MUTING then ENTER .
H. POSITION ADJUSTMENT (HPOS)
1. Input a cross-hatch signal.
2. Set the Service adjustment Mode.
3. Select HPOS with 1 and 4 .
4. Adjust with 3 and 6 for the best horizontal center.
5. Write into the memory by pressing MUTING then ENTER.
POWER SUPPLY CIRCUIT 
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