Sony FD Mavica MVC-FD97, Руководство по обслуживанию

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5-37
FC-85 board
CN803
1
1
22
22
CPC cover
CPC-12 jig
(J-6082-436-A)
Volt ohm meter
qd
pin
4
pin
1-5. COLOR ELECTRONIC VIEWFINDER SYSTEM
ADJUSTMENTS
Note 1: The back light (fluorescent tube) is driven by a high volt-
age 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 dam-
ages caused by static electricity.
[Adjusting connector]
Most of the measuring points for adjusting the LCD system are
concentrated in CN803 of the FC-85 board.
Connect the Measuring Instruments via the CPC-12 jig (J-6082-
436-A).
The following table shows the Pin No. and signal name of CN803.
Pin No. Signal Name Pin No. Signal Name
1 FDDRF_B 12 LANC_OUT
2 FDDRF_A 13 MAKER_RECOG
3 INDEX 14 PF7
4 REG_GND 15 TXD
5 N. C. 16 RXD
6 TRACK_00 17 RESET
7 HSY 18 HI_VDD
8 COM 19 (N.C.)
9 VG 20 EVF_BL_4.75 (N.C.)
10 HI_UNREG 21 EVF_VG (N.C.)
11 LANC_IN 22 EVF_VCO (N.C.)
Fig. 5-1-24
1. EVF Initial Data Input
Mode CAMERA
Signal Arbitrary
Adjustment Page D
Adjustment Address 1C , C0 to CD
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: D, and enter the data given in the following table.
Note: Press the PAUSE button each time the data are set, as the
data are written to non-volatile memory (EEPROM).
Address Data Remark
1C 05
Fixed value
C0 67
C1 A0
White Balance Adjustment
C2 78
C3 48
Fixed value
C4 57
C5 88 VCO Adjustment (NTSC)
C6 B0
Fixed value C7 A8
C8 00
C9 A8 Bright Adjustment (NTSC)
CA 88 Contrast Adjustment (NTSC)
CB A8 Bright Adjustment (PAL)
CC 88 Contrast Adjustment (PAL)
CD 80 VCO Adjustment (PAL)
Processing after Completing Adjustments:
1) Select page: 0, address: 01, and set data: 00.