Read Sony DCR-TRV250 (serv.man2) Service Manual online
1-4
DCR-TRV250
1-6. LCD TYPE CHECK
By measuring the resistor value between Pin 6 of CN5502 and Pin 0 of CN5502 on PD-180 board, the type of LCD can be discriminated.
Note:
About PD-180 board and LCD module, discriminate LCD type on the machine, and replace the same type.
PD-180 board CN5502
Resistor
LCD type
PD board
value
2.2 k
Ω
TYPE S
PD-180 (TYPE S)
3.3 k
Ω
TYPE C
PD-180 (TYPE C)
Multi CPC jig
(J-6082-311-A)
(J-6082-311-A)
PD-180 board
CN5502
6
pin
0
pin
Volt ohm meter
+
—
1-5. CCD TYPE CHECK
Note:
About VC-304/VC-305 board and CCD imager, discriminate CCD type on the machine, and replace same type.
1-5-1. Checking Method by Serial No.
Type of CCD imager can be identified with its serial No.. Check the serial No. printed on the MODEL NUMBER LABEL.
Serial No.
CCD type
VC board
310001 to 310300,
320071 to 341220,
341521 to 341720,
342421 to 342720,
820001 to 821100,
850001 to 854200,
860001 to 863400,
940001 to 940600
320071 to 341220,
341521 to 341720,
342421 to 342720,
820001 to 821100,
850001 to 854200,
860001 to 863400,
940001 to 940600
TYPE SO
VC-305 (TYPE SO)
1320001 to 1333500
TYPE PA
VC-305 (TYPE PA)
other numbers
TYPE SO
VC-304 (TYPE SO) *1
Serial No.
MODEL NUMBER LABEL
*1: For VC-304 board, refer to the SERVICE MANUAL, LEVEL 2 SUPPLEMENT-1.
1-5-2. Checking Method by Voltage
Checking method:
1)
1)
Refer to “SECTION 2 DISASSEMBLY” to remove the cabinet (R) block.
2)
Set the POWER switch to CAMERA.
3)
By measuring the voltage between Pin 5 (CAM_15V/12V) to Pin 0 (GND) of CN951 on CD-418 board, the type of CCD imager can
be discriminated.
be discriminated.
Voltage
CCD type
12V
TYPE PA
15V
TYPE SO
1
2
13
14
+
—
CN951
CD-418 BOARD
Digital voltmeter
5
pin
q;
pin
Ver 1.2 2003.03
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