DCR-TRV320E, DCR-TRV420E, DCR-TRV520E, DCR-TRV620E, DCR-TRV720E - Sony Movie Service Manual (repair manual). Page 5

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3.
NOTE FOR REPAIR
Make sure that the flat cable and flexible board are not cracked of
bent at the terminal.
Do not insert the cable insufficiently nor crookedly.
When remove a connector, don’t pull at wire of connector.
It is possible that a wire is snapped.
Cut and remove the part of gilt 
which comes off at the point.
(Be careful or some pieces of gilt 
may be left inside) 
When installing a connector, don’t press down at wire of connector.
It is possible that a wire is snapped.
4.
LCD TYPE  CHECK
By measuring the resistor value between Pin 6 of CN5502 and
Pin q; of CN5502 on PD-117/118 board, the type of LCD can be
discriminated.
PD-117/118 board CN5502
Resistor
value
1 k
1.5 k
2.2 k
4.7 k
5.6 k
6.8 k
8.2 k
10 k
LCD type
2.5 LCD TYPE S 61 k
2.5 LCD TYPE C
2.5 LCD
TYPE S 123 k
3 LCD TYPE S
3.5 LCD TYPE S
3.5 LCD TYPE C
4 LCD TYPE S
4 LCD TYPE C
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