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Important: High Voltage adjustment should
!
NOT be adjusted in field. This is
adjusted at factory using precise
loads
readjusted.
1.4 High Voltage Adjustment (should NOT be
readjusted in field).
Adjustment preparation
(1) Connect High Voltage meter to FBT High Voltage
output. Connect GND of High Voltage meter to CPT
GND or FBT GND.
(2) Check that High Voltage adjustment VR (RH44) is
set to mechanical center(located behind FBT on
DEFLECTION PWB).
(3) Receive circle pattern signal.
(4) VIDEO control should be reset.
Adjustment procedure
(1) Adjust High Voltage to following spec. by turning VR
RH44 clockwise slowly. (This should never need
adjustment).
ADJ. SPEC = 30.0kV +/-0. 5kV
(2) After adjustment, fix VR RH44 by Silicone glue
(KE40RTV).
TH01
(FBT)
High Voltage Adjustment VR.
RH44
2. FINAL ASSEMBLY ADJUSTMENT
2.1 Cut Off Adjustment
Adjustment preparation
(1) Set R and G drive VR's on CPT P.W.B. to center.
(2) Adjust screen VR's on Focus Pack fully
counterclockwise.
(3) Adjust Focus VR's on Focus Pack fully
clockwise.
(4) Set video conditions to factory preset.
(5) The vertical incident illumination on the screen
should be 20 lux or less (room should be dark).
and
should
NOT
T702
CONV.
HEATSINK
DEFLECTION PWB.
Adjustment procedure
(1) Press and hold INPUT key on the control panel
and then POWER ON to access I
mode.
be
(2) Choose "SERVICE" item from I
menu by pressing
(3) Screen VR should be turned clockwise gradually
and set so that retrace line begins to appear.
(4) Return to "NORMAL" mode by CURSOR
again.
(5) Adjust Focus VR's so that focus is even all
around screen.
2.2 DCU Phase Data Setting
Adjustment preparation
(1) Cut off adjustment should finished.
(2) Set video conditions to factory preset.
Adjustment procedure
PROGRESSIVE MODE
(1) Receive any NTSC signal.
(2) Push
DEFLECTION PWB. (Enter DCU ADJ. mode).
(3) Push HELP key on R/C. (Green cross hatch is
displayed).
Then push EXIT key on R/C. (Character pattern
is displayed. This is the PHASE setting mode).
(4) Set PH-H phase data as shown below by using
4 and 6 key on Remote Control (RC).
(5) Set PH-V phase data as shown below by using
2 and 5 key on R/C.
(6) Set CR-H phase data as shown below by using
CURSOR
(7) Set CR-V phase data as shown below by using
CURSOR
(8) Push HELP key on R/C to exit from the PHASE
mode.
(9) Push PIP MOVE key 2 times on R/C to write the
phase data to memory.
(10) When Green dots are displayed, push MUTE
key to return to DCU ADJ. mode.
(11) Push "SERVICE ONLY" switch to return to RF or
VIDEO mode.
HD MODE
(12) Receive any HD signal (Set to video: 1 or 2
mode with HD input to component jacks).
(13) Repeat steps (2) ˜(11) above.
PROGRESSIVE MODE
PHASE MODE
PH-H: BB
PH-V: 0C
CR-H: 4C
CR-V: 00
36
2
C adjustment
2
C adjustment
key.
"SERVICE
ONLY"
switch
and
key on R/C.
and
key on R/C.
HD MODE
PHASE MODE
PH-H: BB
PH-V: 07
CR-H: 4C
CR-V: 0C
key
on
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