JVC HR-S2901U User Manual

3-1
SECTION 3
ADJUSTMENT
3.1.1 Precaution
3.1.3 Required adjustment tools
3.1.4
Color (colour) bar signal, color (colour) bar pattern
Fig. 3-1-5a Jig RCU [PTU94023B]
3.1.5 Switch settings
When adjusting this unit, set the VCR mode and switches
as described below.
• When using the Jig RCU, it is required to set the VCR to
the Jig RCU mode (the mode in which codes from the Jig
RCU can be received). (See "section 1 disassembly".)
•
Set the switches as shown below unless otherwise speci-
fied on the relevant adjustment chart. The switches that are
not listed below can be set as desired.
If the VCR is not equipped with the functions detailed be-
low, setup is not required.
• The adjustments of this unit include the mechanism
compatibility and electrical adjustments. During the
performance of this work, be sure to observe the pre-
cautions for each type of adjustment.
• If there is a reference to a signal input method in the
signal column of the adjustment chart, “Ext. S-input”
means the Y/C separated video signal and “Ext. input”
means the composite video signal input.
• Unless otherwise specified, all measuring points and
adjustment parts are located on the Main board.
White(75%)
100 IRE
40 IRE
Horizontal sync
QI
1V
White(100%)
Yellow Cyan
Green
Magenta
Red
Blue
Burst
40 IRE
White
Yellow
Cyan
Green
Magenta
Red
Blue
Q I Black
White
100%
(75%)
•
Color(colour) bar signal [NTSC]
•
Color(colour) bar pattern [NTSC]
INITIAL MODE
DATA CODE
CUSTOM CODE
43: A CODE
[Data transmitting method]
Depress the “ ” ( 3 ) button
after the data code is set.
Jig RCU
AUTO PICTURE/VIDEO CALIBRATION/ OFF
B.E.S.T./D.S.P.C.
PICTURE CONTROL/SMART PICTURE NORMAL/NATURAL
VIDEO STABILIZER OFF
TBC ON
Digital 3R ON
VIDEO NAVIGATION/TAPE MANAGER OFF
BLUE BACK OFF
3.1.2 Required test equipments
• Color (colour) television or monitor
• Oscilloscope:
wide-band, dual-trace, triggered delayed sweep
• Signal generator: RF / IF sweep / marker
• Signal generator: stairstep, color (colour) bar [NTSC]
• Recording tape
• Digit-key remote controller(provided)
: Used : Not used
Mechanism
compatibility
adjustment
Electrical
adjustment
Roller driver
Jig RCU
Back tension cassette gauge
Alignment tape(MHP)
Alignment tape(MHP-L)
Roller driver
PTU94002
Back tension cassette gauge
PUJ48076-2
Jig RCU
PTU94023B
Alignment tape
(SP, stairstep, NTSC)
MHP
Alignment tape
(EP, stairstep, NTSC)
MHP-L
3.1 Before adjustment

JVC HR-S2901U Specifications

General

Brand	JVC
Model	HR-S2901U
Category	VCR
Language	English