Sony KP 53HS10, Service Manual

Page: 54 / 143

– 54 –
KP-53HS10/61HS10
RM-Y902 RM-Y902
[ MCD MODE]
5-1. TV INPUT SUB CONTRAST ADJUSTMENT
(MCD1-SCON)
1. Receive the color-bar signal.
2. Set to service mode.
3. Connect an oscilloscope between pin
2
of CN511 (A board)
and ground.
4. Select “ MCD1-SCON ”, and adjust so that the waveform
level is 0.525
±
0.015Vp-p.
5. Write the data into memory.
MUTING
n
ENTER
5-3. P & P SUB CONTRAST ADJUSTMENT
(MCD2-SCON)
1. Receive the signal.
TV terminal (main) : color-bar signal
VIDEO terminal (sub) : no signal
2. Set to P & P mode, set to service mode.
3. Connect an oscilloscope between pin
@º
of CN513 (A board)
and ground.
4. Select “ MCD2-SCON ”, and adjust so that the waveform
level is 0.525
±
0.015Vp-p.
5. Write the data into memory.
MUTING
n
ENTER
Fig. 5-3
Fig. 5-1
5-2. VIDEO INPUT SUB CONTRAST ADJUSTMENT
(MCD3-SCON)
1. VIDEO 1 input the color-bar signal.
2. Set to service mode.
3. Connect an oscilloscope between pin
2
of CN511 (A board)
and ground.
4. Select “ MCD3-SCON ”, and adjust so that the waveform
level is 0.525
±
0.015Vp-p.
5. Write the data into memory.
MUTING
n
ENTER
5-4. P & P SUB CONTRAST ADJUSTMENT
(MCD4-SCON)
1. Receive the signal.
TV terminal (sub) : no signal
VIDEO terminal (main) : color-bar signal
2. Set to P & P mode, and set to service mode.
3. Connect an oscilloscope between pin
@º
of CN513 (A board)
and ground.
4. Select “ MCD4-SCON ”, and adjust so that the waveform
level is 0.525
±
0.015Vp-p.
5. Write the data into memory.
MUTING
n
ENTER
Fig. 5-4
Fig. 5-2
SECTION 5
CIRCUIT ADJUSTMENTS
White
0.525
±
0.015Vp-p
Pedestal
White
0.525
±
0.015Vp-p
Pedestal
White
0.525
±
0.015Vp-p
Pedestal
White
0.525
±
0.015Vp-p
Pedestal