Lcd System Adjustment - Sony DCR-TRV240E Supplemental Service Manual

DCR-TRV240E/TRV340E
Page
1-5.

LCD SYSTEM ADJUSTMENT

5-31
1-5-1. LCD SYSTEM ADJUSTMETNT (LCD TYPE
SO) (PD-160 board)
* LCD TYPE SO ........ DCR-TRV240E: E, AUS, HK
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.
Before change
DCR-TRV340E: E. AUS, HK, CH, JE
1-5. LCD SYSTEM ADJUSTMENT
Note: Before performing the adjustments, check the LCD type.
[LCD Type Check]
By measuring the resistor value between Pin 6 of CN5502
and GND, the type of LCD can be discriminated. (Refer to
Table 5-1-15 or Table 5-1-16.)
Resistor
LCD type
value
2.2kΩ LCD TYPE SH
(123k)
22kΩ LCD TYPE SO
(61K)
33kΩ LCD TYPE SO
(123k)
*1: AEP/UK/EE/NE/RU model
*2: AEP/UK/EE/NE/RU model
*3: E/AUS/HK model
*4: E/AUS/HK/CN/JE model
*5: AEP/UK/EE/NE/RU model
*6: AEP/UK/EE/NE/RU model
When the type of LCD is "LCD TYPE SH", perform"1-5-2.
LCD SYSTEM ADJUSTMENT (LCD TYPE SH)".
When the type of LCD is "LCD TYPE SO", perform "1-5-1.
LCD SYSTEM ADJUSTMENT (LCD TYPE SO)".
• Abbreviation
HK : Hong Kong model
AUS : Australian model
CH : Chinese model
JE : Tourist model
EE : East European model
NE : North European model
RU : Russian model
1-5-1. LCD SYSTEM ADJUSTMETNT (LCD TYPE
SO) (PD-160 board)
* LCD TYPE SO ........ DCR-TRV240E: E, AUS, HK
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.
— 8 —
: Added portion. : Deleted portion.
After change
PD board DCR-
PD-156 TRV240E *1
TRV340E *2
PD-160 TRV240E *3
TRV340E *4
PD-160 TRV240E *5
TRV340E *6
DCR-TRV340E: E. AUS, HK, CH, JE