(No.YD052)1-15
SECTION 4
ADJUSTMENT
4.1
Before adjustment
4.1.1 Precaution
•
The adjustments of this unit include the mechanism com-
patibility and electrical adjustments. During the perfor-
mance of this work, be sure to observe the precautions 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.
4.1.2 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)
4.1.3 Required adjustment tools
z
: Used --- : Not used
4.1.4 Color (colour) bar signal,Color (colour) bar pattern
4.1.5 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 2 SPECIFIC SERVICE INSTRUC-
TIONS".)
Fig.4-1 Jig RCU [PTU94023B]
• Set the switches as shown below unless otherwise specified
on the relevant adjustment chart. The switches that are not list-
ed below can be set as desired.
If the VCR is not equipped with the functions detailed below,
setup is not required.
4.1.6 Manual tracking mode (Auto tracking ON/OFF) set-
ting
(1) In order to set to the manual tracking mode during tape
playback, press the "TR and -" button at the
same time on the remote control unit.
• Each press of the button switches the auto tracking ON
or OFF.
• When the manual tracking mode is set, the tracking is
placed at the center position.
(2) Press "TR/-" to adjust the tracking manually.
Mechanism
compatibility
adjustment
Electrical
adjustment
Roller driver
z
---
Jig RCU
---
z
Back tension cassette gauge
z
---
Alignment tape(MHP)
z
---
Alignment tape(MHP-L)
z
z
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
DVD test disc
VT-501
CD-DA test disc
CTS-1000
AUTO PICTURE/VIDEO CALIBRATION/
B.E.S.T./D.S.P.C.
OFF
PICTURE CONTROL/SMART PICTURE
NORMAL/NATURAL
VIDEO STABILIZER
OFF
TBC
ON
Digital 3R
ON
VIDEO NAVIGATION/TAPE MANAGER
OFF
BLUE BACK
OFF
White(75%)
100 IRE
40 IRE
Horizontal sync
Q
I
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
