Lcd System Adjustment; Lcd Type Check - Sony Handycam CCD-TRV107 Service Manual

CCD-TRV107/TRV108/TRV308/TRV408/TRV608
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.
Note 3: Set the LCD BRIGHT (Menu display) to the center.
Set the LCD COLOR (Menu display) to the center.
Note 4: Connect the adjustment remote commander to CN713 of VC-272
board via CPC jig for SB (J-6082-539-A). To operate the
adjustment remote commander, connect the AC power adapter
(8.4Vdc) to the DC IN jack of CPC jig for SB, or connect the L
series Info-LITHIUM battery to the battery terminal of CPC jig
for SB.
[Adjusting connector]
Most of the measuring points for adjusting the LCD system are
concentrated in CN5502 of the PD-156 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 C-SYNC/XHD
9 GND
PD-156 board
10
9
2
1
CN5502
Pin No. Signal Name
2 XVD OUT
4 PANEL COM
6 PANEL ID
8 XHD OUT
10 GND
Table 5-1-8.

1. LCD Type Check

By measuring the resistor value between Pin 6 of CN5502 and
GND, the type of LCD can be discriminated.
Resistor LCD type
value
1.0 kΩ 2.5 LCD TYPE S (61k)
4.7 kΩ 3.0 LCD TYPE S (123k)
5-24
CCD-
TRV107/TRV108/
TRV308/TRV408
TRV608
Table 5-1-9.