Id Map Table; A Board Adjustments - Sony TRINITRON KV-27FA310 Service Manual

4-5. ID MAP TABLE

Model
KV-27FA310
KV-27FA310
KV-27FS120
KV-27FS120
KV-29FS120
KV-29FS120
KV-29FA310
KV-29FA310

4-6. 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 Q502
(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 CN515 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. Activate the Service Adjustment Mode.
4. Set GON and BON items. Using 3 and 6 set each to the following
values. Leave RON set to "1".
Mode Category
service
Signal
Type
ntsc
vchp
R ON:
G ON:
B ON:
5. Connect an oscilloscope probe to CW Board, JW2704 (KR).
6. Select SCON with 1 and 4 .
KV-27FA310/27FS120/29FA310/29FS120
Destination ID-O ID-1 ID-2 ID-3 ID-4 ID-5 ID-6 ID-7
US 81
CND 81
US 89
CND 89
L NORTH
81
L SOUTH
81
L NORTH 81
L SOUTH
81
Item
Display
Data
Item
video rdrv
26
00000000 00000000
ON (1)
OFF (0)
OFF (0)
31 17 130 32
31 17 130 32
31 17 34 0
31 17 50 0
31 17 130 32
31 17 130 32
31 113 130 32
31 113 130 32
7. Adjust the value of SCON with 3 and 6 for 87 ± 2Vpp.
87 + 2Vpp
8. Reset GON and BON values to "1".
R ON:
G ON:
B ON:
9. Press MUTING then ENTER to save into the memory.
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 values of DISP with 3 and 6 to adjust characters to the
center.
5. Press MUTING then ENTER to save into the memory.
6. Check to see if the text is displayed on the screen.
Mode
service micro
Signal
Type
ntsc
vchp
KV-27FA310/27FS120/29FA310/29FS120
24 48 69
24 48 69
24 0 5
24 0 5
24 48 69
24 48 69
24 48 69
24 48 69
ON (1)
ON (1)
ON (1)
Display Item
Category
Data
Item
disp 48
00000000 00000000
32