Read Sony DCR-TRV725E / DCR-TRV730 / DCR-TRV730E / DCR-TRV828 / DCR-TRV828E / DCR-TRV830 / DCR-TRV830E (serv.man2) Service Manual online
— 5 —
For LCD Type SH
For LCD Type SO
:
Added portion.
:
Changed portion.
Page
5-30
1-5.
LCD SYSTEM ADJUSTMENT
Note 1:
The back light (fluorescent tube) is driven by a high voltage
AC power supply. Therefore, do not touch the back light holder
to avoid electrical shock.
AC power supply. Therefore, do not touch the back light holder
to avoid electrical shock.
Note 2:
When replacing the LCD unit, be careful to prevent damages
caused by static electricity.
caused by static electricity.
Note 3:
Set the LCD BRIGHT to the center.
Set the LCD COLOR (Menu display) to the center.
Set the LCD COLOR (Menu display) to the center.
Note 4:
PD-138 board: DCR-TRV730
PD-139 board: DCR-TRV725E/TRV730E/TRV828/TRV828E/
PD-139 board: DCR-TRV725E/TRV730E/TRV828/TRV828E/
TRV830/TRV830E
[ LCD Type Check ]
By measuring the resistor value between Pin 6 of CN5502
and GND, the type of LCD can be discriminated.
and GND, the type of LCD can be discriminated.
*1: Except AEP/UK model
*2: AEP/UK model
*2: AEP/UK model
Table 5-1-14.
Resistor
value
LCD type
PD board
DCR-
1.0k
Ω
2.5 LCD
TYPE SH
(61k)
TYPE SH
(61k)
PD-138
TRV730
22k
Ω
2.5 LCD
TYPE SO
(61k)
TYPE SO
(61k)
PD-139
TRV730E(*1)
33k
Ω
2.5 LCD
TYPE SO
(123k)
TYPE SO
(123k)
PD-139
TRV725E
TRV730E(*2)
47k
Ω
3.5 LCD
TYPE SO
(123k)
TYPE SO
(123k)
PD-139
TRV828
TRV828E
TRV830
TRV830E
1-5.
LCD SYSTEM ADJUSTMENT
Note 4:
PD-138 board: DCR-TRV730 (LCD TYPE SH)
PD-139 board: DCR-TRV725E/TRV730E/TRV828/
PD-139 board: DCR-TRV725E/TRV730E/TRV828/
TRV828E/TRV830/TRV830E
DCR-TRV730 (LCD TYPE SO)
DCR-TRV730 (LCD TYPE SO)
[ LCD Type Check ]
By measuring the resistor value between Pin 6 of CN5502
and GND, the type of LCD can be discriminated.
and GND, the type of LCD can be discriminated.
*1: Except AEP/UK model
*2: AEP/UK model
*2: AEP/UK model
Table 5-1-14.
Resistor
value
LCD type
PD board
DCR-
1.0k
Ω
2.5 LCD
TYPE SH
(61k)
TYPE SH
(61k)
PD-138
TRV730
22k
Ω
2.5 LCD
TYPE SO
(61k)
TYPE SO
(61k)
PD-139
TRV730E(*1)
TRV730
33k
Ω
2.5 LCD
TYPE SO
(123k)
TYPE SO
(123k)
PD-139
TRV725E
TRV730E(*2)
47k
Ω
3.5 LCD
TYPE SO
(123k)
TYPE SO
(123k)
PD-139
TRV828
TRV828E
TRV830
TRV830E
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