JVC VF-P115BU User manual

SERVICE MANUAL
VF-P115BU/VF-P115BE
VIEWFINDER
No. 60126
Octorber 1999
COPYRIGHT © 1999 VICTOR COMPANY OF JAPAN, LTD.
VICTOR COMPANY OF JAPAN, LIMITED
NOTE:
This service manual only describes the
matters that are different from the VF-
P115.
On servicing, refer to the service manual
(No. 60033) for the VF-P115 together with
this.
•
Page Symbol Part Name Part No.
No.
4-2 1 UPPER CASE SC20415-011 SC20415-001
4-2 28 BOTTOM CASE SC20418-021 SC20418-011
4-2 46 MIRROR CASE SC20336-021 SC20336-011
4-2 51 LENS HOLDER SC31041-021 SC31041-012
4-2 57 LOCK RING SC43458-021 SC43458-011
3-1 — Instructions (U) SC96895 SC96502
3-1 — Instructions (E) SC96895 SC96503
VF-P115VF-P115B
䡵DIFFERRENCES BETWEEN VF-P115B AND VF-P115

Thank you for purchasing the JVC VF-P116W Viewfinder. To
gain maximum benefit from the viewfinder, it is suggested
that you study this booklet carefully. After reading, retain it for
future reference.
(This instructions for VF-P116WU and VF-P116WE)
The CRT screen aspect ratios are switched automati-
cally between 4:3 and 16:9 by a signal from the cam-
era.
WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, DO NOT EXPOSE THIS APPLIANCE
TO RAIN OR MOISTURE.
This unit should be used with 12 V DC only.
CAUTION:
To prevent electric shocks and fire hazards, do
NOT use any other power source.
POWER SYSTEM
Connection of power supply
The VF-P116W viewfinder is used exclusively for
the KY-D29W color video cameras with an aspect
ratio of 16:9. The power for the viewfinder is sup-
plied from the camera via a 20 pin connector.
1
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK).
NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
The lightning flash with arrowhead symbol, within an
equilateral triangle, is intended to alert the user to
the presence of uninsulated "dangerous voltage"
within the product's enclosure that may be of
sufficient magnitude to constitute a risk of electric
shock to persons.
The exclamation point within an equilateral triangle
is intended to alert the user to the presence of
important operating and maintenance (servicing)
instructions in the literature accompanying the
appliance.
FOR USA AND CANADA
VIEWFINDER
INSTRUCTIONS
VF-P116W
For Customer Use:
Enter below the Serial No. which is
located on the bottom. Retain this in-
formation for future reference.
Model No. VF-P116W
Serial No.
SC96839
R


PRECAUTIONS
● Strong electromagnetic waves or magnetism (for example,
near a radio or TV transmission antenna, transformer or mo-
tor) Can interfere with the image and generate spurious
noise.
● Do not expose the lens or viewfinder to strong sunlight or
place in a strong light source.
• Exposure of the lens or viewfinder to strong sunlight or
other strong light sources will cause eye injuries.
• Continued exposure of the lens or viewfinder to sunlight
will damage the internal condensing lens, resulting in
malfunction and possible fire.
● Before attaching the VF-P116W, be sure to read the instruc-
tion manual of the color video camera to which it is to be
connected.
● Prevent water and metallic objects from entering the unit
as this could lead to malfunctions.
● Do not expose the unit to excessive shock. Especially be
careful not to apply shocks and vibrations when installing or
during transpiration.
● Avoid using the unit in places subject to excessive humid-
ity, head, or strong magnetic or electric fields.
● Do not disassemble or modity the unit. Do not use the unit
with its cover removed.
2
Stopper
Screw
Shoe
2.
1. 4.
Mount base
5. Ring
3. Connector
2.

VIEWFINDER ATTACHING/DETACHING
3. Connector
1. Loosen the stopper screw.
2. Attach the viewfinder with its shoe aligned with the mount base.
3. Connect the Connector.
• Make sure to connect this
in the correct direction.
4. Tighten the stopper screw.
5. Tighten the ring.

CONTROLS, INDICATORS, CONNECTORS
1
2
3
7
6
5
4
8
STOPPER SCREW
This stopper screw prevents the viewfinder from coming
off the camera.
VIEWFINDER SHOE
Attaches to the Viewfinder mount base on camera.
CONNECTOR
Connect to camera socket.
CONTRAST
Controls the level of viewfinder contrast.
BRIGHT
Controls the level of viewfinder brightness.
PEAKING
Controls the level of viewfinder peaking.
TALLY SWITCH
Set this switch to off if you do not want to inform the
subjects by the tally light that they are being recorded.
TALLY LIGHT
Lights when recording is in progress.
3
10
1
2
9
8 7
5
4
6
3

EYEPIECE
Blocks light from viewfinder screen and holds eye optics.
The Eyepiece can be opened to view the screen directly.
The Eyepiece can be rotated up and down for the best
shooting position.
EYEPIECE FOCUSING RING
Loosen this ring and move the Eyepiece backward and
forward to focus the viewfinder for the operators vision.
Be sure to perform this adjustment before shooting be-
cause this will affect lens focusing.
A favorable result will be obtalend by adjustment with
PEAKING .
VIEWFINDER SLIDE LOCKING RING
This ring on the camera viewfinder post can be loosened
move the viewfinder to the left or right for the best opera-
tor comfort.
9
11
11
10
6
4

TROUBLESHOOTING
See the instructions details of the color video camera being used.
Symptom Check
No raster. Dark screen. Are the brightness and contrast controls correctly set?
No picture on the screen. Is the camera's Return switch set to OFF?
5

•Designa and specifications are subject to change without notice.

SPECIFICATIONS
Input signal : Composite video, 1 Vp-p, high impedance
CRT : 38 mm (1.5") diagonal
Resolution : More than 600 lines (aspect ratios : 4 : 3)
Aspect ratios : 4 : 3 or 16 : 9 (switched automatically by
a signal from the camera.)
Indications : Tally; Top tally (can be defeated), REC lamp
Warning; Low battery (camera power)
VTR's tape end and malfunctions
Power consumption : 12 V DC, 3.6 W
Operating temperature : –5°to 45°
Dimensions : 195 (W) x 205 (D) x 78 (H) mm
Mass : 0.77 kg
•Dimensions (unit : mm)
6
PEAKING CONT BRIGHT
TALLY
ON
OFF
68 78
205
118
195
96
52.5
45
VF-P116W
VIEWFINDER
Printed in Japan
SC96839
VICTOR COMPANY OF JAPAN, LIMITED
© 1998 VICTOR COMPANY OF JAPAN, LIMITED
is a registered Trademark owned by VICTOR COMPANY OF JAPAN, LTD.
is a registered Trademark in Japan, the U.S.A., the U.K. and many other countries.
R

CHARTS AND DIAGRAM
SECTION 3
3.1 VF-P116W SCHEMATIC DIAGRAM
66
Shield
Chasiss GND
Sync separator
Peaking
Clamp
Pluse shapper
Protector
V-drive
H-drive
High voltage
Blanking
MAIN board
UNLESS OTHERWISE SPECIFIED
RESISTORS : 1/10W
PNP TRANSISTORS
NPN TRANSISTORS
: NOT MOUNTEDMARKED PARTS
VIDEO INPUT
(CN1 3PIN)
IC2 16PIN
4.2Vp-p
(H-rate)
IC2 3PIN
1.9Vp-p
(V-rate)
IC2 1PIN
1.7Vp-p
(V-rate)
Q109 COLLECTOR
21.5Vp-p
(H-rate)
TP1
9.4Vp-p
(H-rate)
T1 2PIN
0.26Vp-p
(H-rate)T1 5PIN
140Vp-p
(H-rate)
0
9.8
6.1
5.4
5.5
6.2
6.3
5.5
4.7
6.3
5.1
6.3
4.7
5.5
4.7 3.9
3.9
3.3
21.4
21.2
20.8
0.1
0
0
9.0 5.0
1.7
1.2
4.5 7.2 0.3
-2.0
0.7
3.7
6.8
382V
57.3
57.3
967
0
8.9
0
0
-0.2
5.0
0.7
4.0
4.4 2.0 1.6 5.0 1.9
2.4 5.0 2.3 2.4 1.5 2.2 4.4
21.9
44.6
21.4
-0.2
8.4
5.0
22.6
3.0
NOT USED
4:3(L)/16:9(H)
SWITCHING
IC101 5PIN
4.8Vp-p
(H-rate)
6.8k
R158
R517
1.2k
chasiss GND
: MSA1022(C)
: MSC2295(C)
R601
1.8k
Voltage and waveform weasurements.
・Voltage : Measured with digital volt meter
・Waveform : camera color bars.
・Screen aspect ratio : 16:9.
in DC range, iris closed.
V-deflection switching
VIDEO OUTPUT

C109 C133
C107
C10
C114
C19
CN7
C214
C111
C17
CN6
TP1
G
C108
3
6
SIDE B
SIDE B SIDE B
MAIN BOARD
VR BOARD TOPTALLY BOARD
CIRCUIT BOARDS3.2
77
4:3/16:9 switching
The 4:3/16:9 switching signal from the camera is input through pin 5 of the VF connector. The input voltage is 0 V
(L) for 4:3
and +5 V
(H) for 16:9.
Based on this signal, the rely
(RY501) on the MAIN board is connected to pins 2 and 9 for 4:3 or to pins 3 and 8 for 16:9.
The signal voltage is adjusted by VR501
(V. HEIGHT) with 4:3 or by VR502 (V. HEIGHT 2) with 16:9 and the adjusted voltage
is input to IC2
(drive IC). The controlled IC2 output signal is used to control the V size of the deflection yoke.
V-DFF YOKE
1
IC2
35
V. DRIVE
MAIN BOARD
RY501
+5V
16 : 9/4 : 3
VR BOARD
R601
3.3 Description of New Circuit
16 : 94 : 3
VR502 VR501

SECTION 4
EXPLODED VIEW AND PARTS LIST
88
SAFETY PRECAUTION
Parts identified by the !symbol are critlcal for safety.
Replace only with speclfled parts numbers.
NOTE
Parts not denoted by parts numbers are not supplled by JVC.
44
43
42
41
39
40
38
37
36
35
36
34
33
32
31
30
55
45
41
39
38
47
S11
S14
S12
S13
S15
49
48
46
19
18
17 25
29
28
27
16
26
24
VF BOARD
S9
S8
S7
N1
N1
22
21
51
52
23
20
TOP TALLY BOARD
13
11 10
12
3
4
9
7
8
6
2
5
1
15
14
S3
S1
S2
S1
S4
MAIN BOARD
N1
S20
S10
S17
S19
S16
S11
S6
S6
54
53
50
56
S18
4.1 VF-P116(A) ASSEMBLY

99
S4 QYSDSP2005Z SCREW M2 x 5
S6 QYSPSA2006M SCREW M2 x 6
S7 QYSDSP2006M SCREW M2 x 6
S8 QYSSSPT2030M SCREW M2 x 3.0
S9 QYSPSPD2608Z SCREW M2.6 x 8
S10 QYSDSP2606M SCREW M2.6 x 6
S11 QYSPSPT2040M SCREW M2 x 4.0
S12 QYSPSP2615Z SCREW M2.6 x 15
S13 QYSPSPT2030M SCREW M2 x 3.0
S14 QYSSSP2606M SCREW M2.6 x 2.6
S15 QYSPSPT2025M SCREW M2 x 2.5
S16 QYSDSP2610M SCREW M2.6 x 10
S17 QYSPSPD2605Z SCREW M2.6 x 5
S18 QYSPSP2003Z SCREW M2 x 3
S19 QYSPSPL2605Z SCREW M2.6 x 5
S20 QYSDSP2608M SCREW M2.6 x 8
1 SC31312-012 CRT HOLDER1
2 SC31312-011 CRT HOLDER
!3 SCV1273-001 CRT SOCKET
!4 SCV1852-10A DEFLECTION YOKE
!5 M04KYS07WB PICTURE TUBE
6 SC43463-001 BRACKET
7 TLG102A LED GREEN
8 TLR102A LED RED
9 SC40909-001 BRACKET
10 SC31314-013 CRT MASK
11 SC43615-013 CRT PLATE
12 SC44495-001 RING
13 SC43468-001 CUSHION
14 SC46364-001 TALLY BRACKET
15 SC20430-012 UPPER CASE
16 SC20431-004 BOTTOM CASE
17 SC46070-001 VR BRACKET
18 SC44724-003 VR KNOB
19 SC44729-011 CLAMP BASE
20 SCV2801-00B VF CABLE ASSEMBLY
21 SC44975-001 LABEL
22 SC46020-001 CRT LABEL
23 SC41663-001 CAUTION LABEL
24 AN7709F I.C.(M) MATSUSHITA
25 SC46304-001 SPRING
26 SC46019-002 SPACER
27 SC20336-011 MIRROR CASE
28 SC43459-002 PIN
29 SC43460-002 BRACKET
30 SC46045-001 MIRROR
31 SC43462-001 MIRROR HOLDER
32 SC43614-001 HOLDER PLATE
33 SC43491-002 SPRING
34 SC31041-013 HOLDER
35 SC31889-002 EYE FRAME
36 SC31890-001 CAMERA HOLDER
37 SC42475-001 LENS
38 SC40465-020 STEEL BALL
39 SC46021-001 SPRING
40 SC31888-001 LENS HOLDER
41 SC44736-041 SHAFT
42 SC45702-002 FRONT RING
43 SC43164-001 RING
44 SC31337-001 EYE CAP
45 SC31891-001-K VF BASE
46 SC31339-021 SLIDE BASE
47 SC44680-001 PLATE
48 SC44679-001 PLATE
49 SC44678-002 STOPPER PIN
50 SC41737-011 LABEL for U model
51 SC42594-001 LABEL for U model
52 SC45925-001 LABEL for E model
53 SC45909-070 TUBE
54 SC32217-001 TALLY COVER
55 SC46425-001 LABEL
56 QZL1001-012 UL LABEL
N1 QYNNS2600N NUT
S1 QYSBSF2608M SCREW M2.6 x 8
S2 QYSPSP2008Z SCREW M2 x 8
S3 QYSPSPL2605Z SCREW M2.6 x 5
DescriptionPart No. Part Name
Symbol
No.
 VF-P116(A) ASSEMBLY PARTS LIST M1 M1MM````
DescriptionPart No. Part Name
Symbol
No.

12
SECTION 6
PACKING
Note: Accessories above are subject to change without notice.
INSTRUCTIONS
SC96985
SHEET
Cushion
Carton box
Cushion