Sanyo VPC-MZ1, Service Manual

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3-6. Adjust Specifications
[PW1 board (Side B)]
Note:
1. Voltage adjustment is necessary to repair in the PW1 board
and replace the parts.
2. Power voltage set about +3.0 V.
Preparation:
1. Carry out the voltage adjustments disconnecting cabinet
back and cabinet front. Disconnect CN981 (CA3), CN302
(SY1) and CN310 (SY1). Connect all other connectors.
2. Shorten pin 1 and pin 3 of CN302 (SY1).
3. Insert the compact flash.
4. Set the main switch to the camera mode.
5. Set the selector dial to the still image shooting mode.
6. Push the power switch, and comfirm that the through screen
from the CCD can be seen on the LCD.
1. IC501 Oscillation Frequency Adjustment
Adjustment method:
1. Adjust with VR501 to 200
±
1 kHz.
2. 5.0 V (D) Voltage Adjustment
Adjustment method:
1. Adjust with VR504 to 5.10
±
0.05 V.
3. 3.3 V (D) A Voltage Adjustment
Adjustment method:
1.Adjust with VR502 to 3.37
±
0.02 V
4. 3.4 V (D) B Voltage Adjustment
Adjustment method:
1. Adjust with VR503 to 3.38
±
0.03 V.
5. 5 V (A) Voltage Adjustment
Adjustment method:
1. Adjust with VR505 to 5.13
±
0.05 V.
[CA3 board (Side A)]
Note:
1. Voltage adjustment is necessary to repair in the CA3 board
and replace the parts.
2. Power voltage set about +3.0 V.
6. IC511 Oscillation Frequency Adjustment
Measuring Point
ADJ. Location
Measuring Equipment
ADJ. Value
CL532
Frequency counter
VR501
200
±
1 kHz
Measuring Point
ADJ. Location
Measuring Equipment
ADJ. Value
L5004 OUT side
Digital voltmeter
VR503
3.38
±
0.03 V
Measuring Point
ADJ. Location
Measuring Equipment
ADJ. Value
CL520
Digital voltmeter
VR504
5.10
±
0.05 V
Measuring Point
ADJ. Location
Measuring Equipment
ADJ. Value
CL522
Digital voltmeter
VR505
5.13
±
0.05 V
Measuring Point
ADJ. Location
Measuring Equipment
ADJ. Value
CL528
Digital voltmeter
VR502
3.37
±
0.02 V
CL528
VR505
VR504
VR503
VR501
VR502
CL520
CL522
CL532
L5004
(out)
Measuring Point
ADJ. Location
Measuring Equipment
ADJ. Value
CL572
Frequency counter
VR511
200
±
1 kHz
CL407
VR514
VR511 VR513
VR512
VR921
CL402(G)
CL403(R)
CL401(B)
CL404
(XENB)
CL572
TP921
TP922
C5133(+)
L1702
(input)
C5117(+)