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Writing Model Data; Picture Output; Free-run Frequency Adjustment - Sony TRINITRON PVM-14L5 Service Manual

Color video monitor.
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2-4. Writing Model Data

1. Select the following submenus from the Service Menu
in the order of : [SYSTEM] → [MODEL GRADE] →
[MODEL TYPE] and write the model data of each
model in the [MODEL TYPE] referring to table 2-4.
Model name
Model ytpe
PVM-D14L5J
J14
PVM-D20L5J
J20
PVM-14L5
U14
PVM-20L5
U20
PVM-14L3
E14
PVM-14L4
E14
PVM-20L4
E20
PVM-D14L5A
A14
PVM-D20L5A
A20
Table. 2-4
2. Select the following submenus from the Service Menu
in the order of : [SIGNAL] → [WHITE|BALANCE]
and type the following data in [COLOR TEMP].
U/C, AEP
65
J
93
* Standard inspection state
Unless otherwise specified in this manual, make adjust-
ment under the following conditions :
APERTURE OFF (USER CONTROL menu)
BRIGHT 0
CHROMA 50
PHASE 0
CONTRAST 80
VOLUME 50
PVM-14L5/20L5/D14L5A/D20L5A

2-5. Picture Output

1. AC input voltage setting
1. Input VIDEO signals and AUDIO signals to respective
2. Set the sliduck AC voltage as shown in Table 2-5.
Model grade
L5
PVM-14L5
PVM-20L5
L5
PVM-D14L5J
L5
PVM-D20L5J
L5
PVM-14L3
L3
PVM-14L4
L4
PVM-20L4
L4
PVM-D14L5A
L5
PVM-D20L5A
L5

2-6. Free-run Frequency Adjustment

Find the following adjustment menu in the layer under the
DEFLECTION menu of the service mode.
FOCUS
1. Connect the 480/60I cross hatch signal to the Y/G
2. Enter the service mode.
3. Switch H PLL of the menu from LOCK to FREERUN.
4. Adjust HFV SENSE and HFV CONTROL of the
5. Switch H PLL of the menu from FREERUN to LOCK.
6. Switch the input signal frequency as shown below and
terminals on the connector panel.
Model name
AC 120 V ±10 %
AC 100 V ±10 %
AC 240 V ±10 %
Table. 2-5
H PLL
HFV SENCE
HFV CONTROL
terminal of RGB/COMPONENT IN connector.
menu until number of screens losing sync is minimal.
Confirm that the screen is locked.
repeat steps 3 to 5.
Voltage
2-17

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