Lcd System Adjustment; Lcd Type Check - Sony DCR-TRV15E Service Manual

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.
Note 2: When replacing the LCD unit, be careful to prevent damages
caused by static electricity.
Switch setting:
LCD BRIGHT ............................................................. Center.
[Adjusting connector]
Most of the measuring points for adjusting the viewfinder system
are concentrated in CN5502 of the PD-143 board.
Connect the Measuring Instruments via the multi CPC jig (J-6082-
311-A).
The following table shows the Pin No. and signal name of CN5502.
Pin No. Signal Name
1 VB
3 VG
5 VR
7 XHD
9 GND
Table 5-1-10.
1 9
CN5502
PD-143 board
2 10
Fig. 5-1-16.
Pin No. Signal Name
2 XVD OUT
4 PANEL COM
6 MAKER CHECK
8 XHD OUT
10 GND

1. LCD Type Check

By measuring the resistor value between Pin 6 of CN5502 and
GND, the type of LCD can be discriminated.
Resistor
2.2kΩ
value
2.5 LCD
LCD type
TYPE S
DCR-
TRV15E
5-30
5.6kΩ 6.8kΩ
3.5 LCD 3.5 LCD
TYPE S TYPE C
TRV17E TRV17E
Table 5-1-11.