Section 1 Service Overview; Location Of Printed Circuit Boards; Connector Input/Output Signals; Periodic Replacement Parts - Sony BVF-V20W Maintenance Manual

Electronic viewfinder
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Section 1
Service Overview
1-1.
Location of Printed Circuit Boards
1-3.
Connector Input/Output Signals
VF (20P MALE)
VR-226 board
AT
board
oS
(External view)
Pin No. Signal
VO
Specifications
!
LP-101 board
1
VTR SAVE IND IN GND:Indicator lights
OPEN:Indicator goes out
2
ABNORMAL IND IN
GND:Indicator fights
OPEN: Indicator goes out
1-2.
Periodic Replacement Parts
3
16:9 MODE
IN
GNO:16:9
OPEN4:3
Parts listed below are periodic replacement parts. They are
4
REC (L) IND
IN
9 V:indicator lights
subject to cracks with the lapse of time. Check sometimes
GND or OPEN:inglestor goes out
by visual, and replace as necessary.
5
NC
:
6
CCIRIEIA
IN 9.3V:CCIR
GND:EIA
Name
Sony Part No.
7
DISPLAY
OUT ON:OPEN
MIC cushion, rubber
3-692-138-0X **
OFEGND,
5)
3-723-079-0X
8
GTALLY
IN 5 V:lndicator lights
Eye cup (S)
GND or OPEN:Incicator goes out
8
Ne
10
NG
11
ZEBRA
QUT ON:GND
i
OFF5V
12
VEVIDEO(X)
IN
1.0Vp-p
Pe
Zi=750
Shion,
MIC cushion, rubber
4g
NG,
14
NC
15
NC
;
%1 It is recommended that the MIC cushions are replaced
16
BATTIND
IN 5 Vindicator fights
in pairs. In this case, please order two pieces.
GND or OPEN:Indicator goes out
7
17
TALLY IND
IN 9 Vindicator lights
:
GND of OPEN: Indicator goes out
18
493V(VF)
IN, REG+9.3V
,
19
GND
GND
20
NC
BYF-V20WNV20WCE
This unit normally operates with the above input signals.
Cameras described in this manual can output the signals
satisfying the specifications.
1-1 (E)

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