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5-27
2. VCO Adjustment (PD-92/93 board)
Set the VCO freerun frequency. If deviated, the LCD screen will be
blurred.
blurred.
Mode
VTR stop
Signal
No signal
Measurement point
Pin
2 of CN5501/4501 (VCO
VOLTAGE) of PD-92/93 board
Measuring instrument
Oscilloscope
Adjustment page
E
Adjustment address
D6 (NTSC)
D6, BF (PAL)
D6, BF (PAL)
Specified value
A = 2.75
±
0.02V
(LCD TYPE S model)
A = 1.70
A = 1.70
±
0.02V
(LCD TYPE C model)
Note1:
NTSC model: CCD-TRV75/TRV75PK/TRV715
PAL model: CCD-TRV3E/TRV13E/TRV23E/TRV45E/
PAL model: CCD-TRV3E/TRV13E/TRV23E/TRV45E/
TRV55E/TRV65E/TRV69E
Note2 :
LCD TYPE S model : CCD-TRV23E/TRV45E/
TRV55E/TRV65E/TRV69E/
TRV75/TRV75PK/TRV715
TRV75/TRV75PK/TRV715
LCD TYPE C model : CCD-TRV3E/TRV13E
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
button of the adjusting remote commander.
3) Select page: 2, address: 7D, and set data: 00.
4) Select page: E, address: D6, change the data and set the VCO
4) Select page: E, address: D6, change the data and set the VCO
VOLTAGE (A) to the specified value.
5) Press the PAUSE button of the adjusting remote commander.
7) Only for PAL model, select page: E, address: D6, and read the
7) Only for PAL model, select page: E, address: D6, and read the
data (D
D6
).
8) Onl y for PAL model, calculate the adjustment data
(hexadecimal) from the following equations (hexadecimal
calculation), and input to address: BF. (Refer to Table 5-1-2.
Hexadecimal-Decimal conversion Table.)
calculation), and input to address: BF. (Refer to Table 5-1-2.
Hexadecimal-Decimal conversion Table.)
CCD-TRV23E/TRV65E/TRV69E :
D
BF
= D
D6
CCD-TRV45E/TRV55E :
When D
D6
10
D
BF
= D
D6
- 10
When D
D6
< 10
D
BF
= 00
CCD-TRV3E/TRV13E :
When D
D6
55
D
BF
= D
D6
- 55
When D
D6
< 55
D
BF
= 00
Note2:
After setting data, be sure to press the PAUSE button.
9) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
10) Select page: 0, address: 01, and set data: 00.
Fig. 5-1-18.
H
A
GND level
(0 Vdc)
(0 Vdc)
3. D range Adjustment (PD-92/93 board)
Set the D range of the RGB decoder used to drive the LCD to the
specified value. If deviated, the LCD screen will become blackish
or saturated (whitish).
specified value. If deviated, the LCD screen will become blackish
or saturated (whitish).
Note1 :
Press the DISPLAY button and erase the screen indictors
on the LCD screen.
Note2 :
LCD TYPE S model : CCD-TRV23E/TRV45E/
TRV55E/TRV65E/TRV69E/
TRV75/TRV75PK/TRV715
TRV75/TRV75PK/TRV715
LCD TYPE C model : CCD-TRV3E/TRV13E
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
button of the adjusting remote commander.
3) Select page: 2, address: 7D, and set data: 00.
4) Select page: E, address: D4, change the data and set the voltage
4) Select page: E, address: D4, change the data and set the voltage
(A) between the reversed waveform pedestal and non-reversed
waveform pedestal to the specified value.
waveform pedestal to the specified value.
5) Press the PAUSE button of the adjusting remote commander.
6) Select page: 3, address: 01, set data: 00, and press the PAUSE
6) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
7) Select page: 0, address: 01, and set data: 00.
Mode
VTR stop
Signal
No signal
Measurement point
Pin
3 of CN5501/4501 (VG) of PD-
92/93 board
External trigger : Pin
External trigger : Pin
4 of CN5501/
CN4501 (PANEL COM)
Measuring instrument
Oscilloscope
Adjustment page
E
Adjustment address
D4
Specified value
A = 3.62
±
0.05V
(LCD TYPE S model)
A = 2.98
A = 2.98
±
0.05V
(LCD TYPE C model)
Fig. 5-1-19.
A
2H
5-28
4. Bright Adjustment (PD-92/93 board)
Set the level of the VIDEO signal for driving the LCD to the specified
value. If deviated, the screen image will be blackish or saturated
(whitish).
value. If deviated, the screen image will be blackish or saturated
(whitish).
Note1 :
LCD TYPE S model : CCD-TRV23E/TRV45E/
TRV55E/TRV65E/TRV69E/
TRV75/TRV75PK/TRV715
TRV75/TRV75PK/TRV715
LCD TYPE C model : CCD-TRV3E/TRV13E
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
button of the adjusting remote commander.
3) Select page: 2, address: 7D, and set data: 40.
4) Select page: E, address: CF, change the data and set the voltage
4) Select page: E, address: CF, change the data and set the voltage
(A) between the pedestal and white to the specified value. (The
data of address: CF should be “41” to “BF”.)
data of address: CF should be “41” to “BF”.)
5) Press the PAUSE button of the adjusting remote commander.
6) Select page: 3, address: 01, set data: 00, and press the PAUSE
6) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
7) Select page: 2, address: 7D, and set data: 00.
8) Select page: 0, address: 01, and set data: 00.
8) Select page: 0, address: 01, and set data: 00.
Mode
VTR stop
Signal
No signal
Measurement point
Pin
3 of CN5501/4501 (VG) of PD-
92/93 board
External trigger : Pin
External trigger : Pin
4 of CN5501/
CN4501 (PANEL COM)
Measuring instrument
Oscilloscope
Adjustment page
E
Adjustment address
CF
Specified value
A = 1.94
±
0.05V
(LCD TYPE S model)
A = 1.34
A = 1.34
±
0.05V
(LCD TYPE C model)
Fig. 5-1-20.
A
2H
White
Pedestal
5. Contrast Adjustment (PD-92/93 board)
Set the level of the VIDEO signal for driving the LCD to the specified
value. If deviated, the screen image will be blackish or saturated
(whitish).
value. If deviated, the screen image will be blackish or saturated
(whitish).
Mode
VTR stop
Signal
No signal
Measurement point
Pin
3 of CN5501/4501 (VG) of PD-
92/93 board
External trigger : Pin
External trigger : Pin
4 of CN5501/
CN4501 (PANEL COM)
Measuring instrument
Oscilloscope
Adjustment page
E
Adjustment address
D3
Specified value
A = 3.52
±
0.07V
(LCD TYPE S model)
A = 2.54
A = 2.54
±
0.07V
(LCD TYPE C model)
Note1 :
LCD TYPE S model : CCD-TRV23E/TRV45E/
TRV55E/TRV65E/TRV69E/
TRV75/TRV75PK/TRV715
TRV75/TRV75PK/TRV715
LCD TYPE C model : CCD-TRV3E/TRV13E
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
button of the adjusting remote commander.
3) Select page: 2, address: 7D, and set data: 00.
4) Select page: E, address: D3, change the data and set the voltage
4) Select page: E, address: D3, change the data and set the voltage
(A) between the pedestal (0 IRE) and 100 IRE to the specified
value.
value.
5) Press the PAUSE button of the adjusting remote commander.
6) Select page: 3, address: 01, set data: 00, and press the PAUSE
6) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
7) Select page: 0, address: 01, and set data: 00.
Fig. 5-1-21.
100 IRE
0 IRE
A
2H
5-29
6. V-COM Level Adjustment (PD-92/93 board)
Set the common electrode drive signal level of LCD to the specified
value.
value.
Mode
VTR stop
Signal
No signal
Measurement point
Pin
4 of CN5501/CN4501
(PANEL COM) of PD-92/93 board
Measuring instrument
Oscilloscope
Adjustment page
E
Adjustment address
D5
Specified value
LCD TYPE S NTSC model :
A = 6.50
A = 6.50
±
0.05V
2.5" LCD TYPE S PAL model :
A = 6.43
A = 6.43
±
0.05V
3.5" LCD TYPE S PAL model :
A = 6.70
A = 6.70
±
0.05V
LCD TYPE C PAL model :
A = 5.10
A = 5.10
±
0.05V
Note1 :
Perform “Bright Adjustment” and “Contrast Adjustment”
before this adjustment.
before this adjustment.
Note2 :
LCD TYPE S NTSC model : CCD-TRV75/TRV75PK/
TRV715
LCD TYPE C PAL model : CCD-TRV3E/TRV13E
2.5" LCD TYPE S PAL model : CCD-TRV23E/TRV65E/
2.5" LCD TYPE S PAL model : CCD-TRV23E/TRV65E/
TRV69E
3.5" LCD TYPE S PAL model : CCD-TRV45E/TRV55E
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 55, and press the PAUSE
button of the adjusting remote commander.
3) Select page: 2, address: 7D, and set data: 00.
4) Select page: E, address: D5, change the data and set the PANEL
4) Select page: E, address: D5, change the data and set the PANEL
COM signal level (A) to the specified value.
5) Press the PAUSE button of the adjusting remote commander.
6) Select page: 3, address: 01, set data: 00, and press the PAUSE
6) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
7) Select page: 0, address: 01, and set data: 00.
A
2H
7. Color Adjustment (PD-92/93 board)
Set the color saturation to the standard value. If deviated, the color
will be to dark or light.
will be to dark or light.
Note1:
3" LCD TYPE S NTSC model :
CCD-TRV75/TRV75PK/TRV715
2.5" LCD TYPE S (61k) PAL model : CCD-TRV23E
2.5" LCD TYPE S (84k) PAL model : CCD-TRV65E69E
3.5" LCD TYPE S PAL model : CCD-TRV45E/TRV55E
2.5" LCD TYPE C PAL model : CCD-TRV3E/TRV13E
2.5" LCD TYPE S (84k) PAL model : CCD-TRV65E69E
3.5" LCD TYPE S PAL model : CCD-TRV45E/TRV55E
2.5" LCD TYPE C PAL model : CCD-TRV3E/TRV13E
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 57, and press the PAUSE
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 57, and press the PAUSE
button of the adjusting remote commander.
3) Select page: 2, address: 7D, and set data: 20.
4) Select page: E, address: D0, change the data and set the voltage
4) Select page: E, address: D0, change the data and set the voltage
(A) between the green and white to the specified value.
5) Press the PAUSE button of the adjusting remote commander.
6) Only for PAL model, select page: E, address: D9, and set the
6) Only for PAL model, select page: E, address: D9, and set the
same data as page: E, address: D0, and press the PAUSE button
of the adjusting remote commander.
of the adjusting remote commander.
7) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
8) Select page: 2, address: 7D, and set data: 00.
9) Select page: 0, address: 01, and set data: 00.
9) Select page: 0, address: 01, and set data: 00.
Mode
VTR stop
Signal
No signal
Measurement point
Pin
3 of CN5501/4501 (VG) of PD-
92/93 board
External trigger : Pin
External trigger : Pin
4 of CN5501/
CN4501 (PANEL COM)
Measuring instrument
Oscilloscope
Adjustment page
E
Adjustment address
D0 (NTSC)
D0, D9 (PAL)
D0, D9 (PAL)
Specified value
3" LCD TYPE S model :
A = 0.05
±
0.05V
2.5" LCD TYPE S (61k) PAL model :
A = 0.13
±
0.05V
2.5" LCD TYPE S (84k) PAL model :
A = 0.12
±
0.05V
3.5" LCD TYPE S PAL model :
A = 0.07
±
0.05V
2.5" LCD TYPE C PAL model :
A = 0.05
±
0.05V
Fig. 5-1-23.
White
Green
A
2H
Fig. 5-1-22.
5-30
8. V-COM Adjustment (PD-92/93 board)
Set the DC bias of the common electrode drive signal of LCD to the
specified value.
If deviated, the LCD display will move, producing flicker and
conspicuous vertical lines.
specified value.
If deviated, the LCD display will move, producing flicker and
conspicuous vertical lines.
Mode
VTR stop
Signal
No signal
Measurement point
Check on LCD display
Measuring instrument
Adjustment page
Adjustment page
E
Adjustment address
D7
Specified value
The brightness difference between the
section
section
A and section B is minimum.
Note1 :
Perform “Bright Adjustment" and “Contrast Adjustment”
before this adjustment.
before this adjustment.
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 51, and press the PAUSE
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 51, and press the PAUSE
button of the adjusting remote commander.
3) Select page: 2, address: 7D, and set data: 87.
4) Select page: E, address: D7, change the data so that the brightness
4) Select page: E, address: D7, change the data so that the brightness
of the section A and that of the section B is equal.
5) Press the PAUSE button of the adjusting remote commander.
6) Select page: 3, address: 01, set data: 00, and press the PAUSE
6) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
7) Select page: 2, address: 7D, and set data: 00.
8) Select page: 0, address: 01, and set data: 00.
8) Select page: 0, address: 01, and set data: 00.
Fig. 5-1-24.
B
B
B
B
A
A
A
A
9. White Balance Adjustment (PD-92/93 board)
Correct the white balance.
If deviated, the LCD screen color cannot be reproduced.
If deviated, the LCD screen color cannot be reproduced.
Note1:
Check the white balance only when replacing the following
parts. If necessary, adjust them.
parts. If necessary, adjust them.
1. LCD panel
2. Light induction plate
3. IC5502/4502
2. Light induction plate
3. IC5502/4502
Note2 :
LCD TYPE S NTSC model :
CCD-TRV75/TRV75PK/TRV715
LCD TYPE S PAL model : CCD-TRV23E/TRV45E/
TRV55E/TRV65E/TRV69E
LCD TYPE C model : CCD-TRV3E/TRV13E
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 51, and press the PAUSE
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 01, set data: 51, and press the PAUSE
button of the adjusting remote commander.
3) Select page: 2, address: 7D, and set data: 03.
4) Select page: E, address: D1 and D2, and set the data to the initial
4) Select page: E, address: D1 and D2, and set the data to the initial
value.
Note:
To write in the non-volatile memory (EEPROM), press
the PAUSE button of the adjusting remote commander each
time to set the data.
the PAUSE button of the adjusting remote commander each
time to set the data.
Mode
VTR stop
Signal
No signal
Measurement point
Check on LCD display
Measuring instrument
Adjustment page
Adjustment page
E
Adjustment address
D1, D2
Specified value
The LCD screen should not be colored.
5) Check that the LCD screen is not colored. If colored, change the
data of page: E, address: D1 and D2 so that the LCD screen is
not colored.
not colored.
Note:
To write in the non-volatile memory (EEPROM), press
the PAUSE button of the adjusting remote commander each
time to set the data.
the PAUSE button of the adjusting remote commander each
time to set the data.
6) Select page: 3, address: 01, set data: 00, and press the PAUSE
button of the adjusting remote commander.
7) Select page: 2, address: 7D, and set data: 00.
8) Select page: 0, address: 01, and set data: 00.
8) Select page: 0, address: 01, and set data: 00.
Address
Data
LCD TYPE
LCD TYPE
S
LCD TYPE
C
NTSC PAL
PAL
D1
98
94
97
D2
88
81
8D
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