A Board Adjustments - Sony TRINITRON KV-27V40 Service Manual

KV-27V40 / 27V45 / 27V65 / 29VL40 / 29VL65A / 29VL65C / 29VL85 / 29VL95
(5) Feature ID Map
1
2
3
4
5
6
7
8
9
10
11
5-2.

A BOARD ADJUSTMENTS

H. FREQUENCY ADJUSTMENT
1. Input a monoscope signal.
2. Set to Service adjustment Mode.
3. Connect a frequency counter to base of Q501
(TP-500 H. DRIVE).
4. Select the item of AFC, set to 3 level (free run).
5. Check H. Frequency for the 15735
check H. Frequency for the 15650
6. Select the item of AFC again, adjust the level "0".
7. Write into the memory by pressing
then
V. FREQUENCY ADJUSTMENT
1. Select video 1 with no signal input.
2. Set the conditions with standard setting.
3. Connect the frequency counter across TP-508 or CN501
VDY (+) pin 6 connector and ground.
4. Check V. Frequency for the 60
5. Check V. Frequency for the 50
SUB CONTRACT ADJUSTMENT (SCON)
1. Input a color-bar signal.
2. Select the red color.
3. Set to Service adjustment Mode.
4. Select the item DCOL to "0" level.
5. Set the conditions as follows.
PICTURE . . . . . . . . . . .
COLOR . . . . . . . . . . .
BRIGHT . . . . . . . . . . .
R ON . . . . . . . . . . .
G ON . . . . . . . . . . .
B ON . . . . . . . . . . .
2 7 V 4 0 (US) 153
2 7 V 4 0 (CND) 129
2 7 V 4 5 (US) 153
2 7 V 4 5 (CND) 129
2 7 V 6 5 (US) 153
2 7 V 6 5 (CND) 129
2 9 V L 4 0 (E) 145
29VL65A (E) 151
29VL65C (E) 145
2 9 V L 8 5 (E) 145
2 9 V L 9 5 (E) 145
200 Hz. (NTSC) or
200 Hz. (Trinorma)
.
2 Hz (NTSC)
2 Hz (Trinorma).
MAX
MIN
CENTER
ON (1)
OFF (0)
OFF (0)
19 173 194 31 1
19 173 194 31 1
23 173 194 31 1
23 173 194 31 1
23 175 194 31 1
23 175 194 31 1
19 173 194 63 1
23 175 195 55 1
23 175 194 63 1
23 173 194 63 1
23 175 194 63 1
SERVICE
6. Connect an oscilloscope probe to C Board, CN1702 Pin 5
(R OUT).
7. Select RDRV with
8. Adjust with and
9. Reset the item DCOL to "1" level.
10. Write the memory by pressing
11. Return the following back to normal after adjustment.
PICTURE . . . . . . . . . . . MAX
COLOR . . . . . . . . . . . CENTER
BRIGHT
R ON
G ON
B ON . . . . . . . . . . .
— 32 —
0 64
0 64
1 64
1 64
7 64
7 64
0 64
7 64
7 64
1 64
7 64
1: ON
0: OFF
RON 1
and .
for: 1.90 0.05 Vp-p.
White
1.8 0.05 Vp-p
1.90 0.05 Vp-p
Black
then
. . . . . . . . . . . CENTER
. . . . . . . . . . . ON (1)
. . . . . . . . . . . ON (1)
ON (1)
.