Sony CCD TRV16 Service Manual - Page 104

Color Electronic Viewfinder System, Adjustment

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1-4. COLOR ELECTRONIC VIEWFINDER SYSTEM ADJUSTMENT (CCD-TR416/TR416PK/TR516/TR516PK/TR716) 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. Note 2: When replacing the LCD unit, be careful to prevent damages caused by static electricity. [Adjusting connector] Most of the measuring points for adjusting the viewfinder system are concentrated in CN910 of the VC-215 board. Connect the measuring instruments via the CPC-7 jig (J-6082-382A). The following table shows the Pin No. and signal name of CN910. Pin No. Signal Name 1 LANC SIG 2 XCPC IN 3 IR VIDEO 4 AFC F0 5 BPF MONI 6 PB RF 7 RF AGC IN 8 REG GND Pin No. Signal Name 9 RF AGC OUT 10 REC RF 11 RF SWP 12 CAP FG 13 EVF BL 14 EVF BL 4.75V 15 VCO 16 EVF VG 1. EVF Initial Data Input Mode Signal Adjustment Page Adjusting Address VTR stop No signal E C2 to CD Adjusting method: 1) Select page: 0, address: 01, and set data: 01. 2) Select page: E, and input the data in the following table. Note: To write in the non-volatile memory (EEPROM), press the PAUSE button of the adjusting remote commander each time to set the data. 3) Select page: 0, address: 01, and set data: 00. Address C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC Data B0 80 77 80 80 68 50 F8 A8 3C B0 CD 70 Remark VCO adjustment Bright adjustment Contrast adjustment White balance adjustment White balance adjustment Fixed value Fixed value Fixed value Fixed value Fixed value Backlight Consumption Current Adjustment Fixed value Screw driver (-) Cover Fig.5-1-12

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1-4. COLOR ELECTRONIC VIEWFINDER SYSTEM
ADJUSTMENT
(CCD-TR416/TR416PK/TR516/TR516PK/TR716)
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 viewfinder system
are concentrated in CN910 of the VC-215 board.
Connect the measuring instruments via the CPC-7 jig (J-6082-382-
A).
The following table shows the Pin No. and signal name of CN910.
Pin No.
Signal Name
Pin No.
Signal Name
1
LANC SIG
9
RF AGC OUT
2
XCPC IN
10
REC RF
3
IR VIDEO
11
RF SWP
4
AFC F0
12
CAP FG
5
BPF MONI
13
EVF BL
6
PB RF
14
EVF BL 4.75V
7
RF AGC IN
15
VCO
8
REG GND
16
EVF VG
Fig.5-1-12
Screw driver (–)
Cover
1. EVF Initial Data Input
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: E, and input the data in the following table.
Note:
To write in the non-volatile memory (EEPROM), press
the PAUSE button of the adjusting remote commander each
time to set the data.
3) Select page: 0, address: 01, and set data: 00.
Mode
VTR stop
Signal
No signal
Adjustment Page
E
Adjusting Address
C2 to CD
Address
Data
Remark
C2
B0
VCO adjustment
C3
80
Bright adjustment
C4
77
Contrast adjustment
C5
80
White balance adjustment
C6
80
White balance adjustment
C7
68
Fixed value
C8
50
Fixed value
C9
F8
Fixed value
CA
A8
Fixed value
CB
3C
Fixed value
CC
B0
Backlight Consumption
Current Adjustment
CD
70
Fixed value