Sony CCD-TRV66PK, Service Manual

Page: 109 / 158

5-33
3-1-6. Input/Output Level and Impedance
Video input/output
Phono jack, 1 Vp-p, 75
Ω
,
unbalanced, sync negative
S video input/output
4-pin mini DIN
Luminance signal:
1Vp-p, 75
Ω
, unbalanced, sync negative
Chrominance signal:
0.286Vp-p 75
Ω
, unbalanced
Audio input/output
Phono jack,
Input:
–7.5 dBs, input impedance more
than 47 k
Ω
Output: –7.5 dBs, (at load impedance 47 k
Ω
), impedance
less than 2.2 k
Ω
3-1-7. Recording Mode (Standard 8/Hi8) switching
The record mode (Standard 8/Hi8) of this unit switches as shown in
the following table. The playback mode (Standard 8/Hi8) switches
automatically according to the recording mode of the tape played
back.
Fig. 5-3-3. Shows the color bar signals recorded on the alignment
tape.
Note :
Measure using the VIDEO terminal (Terminated at 75
Ω
).
Fig. 5-3-3. Color Bar Signals of the Alignment Tape
1V
0.714V
0.286V
Horizontal sync signal
Q I
White (75%)
Yellow
White (100%)
Cyan
Green
Magenta
Red
Blue
Burst signal
0.286V
White
(75%)
White
(100%)
Q I
Black
Cy
an
Y
ello
w
Green
Magenta
Red
Blue
Color bar Pattern
Color bar signal waveform
3-1-5. Alignment Tape
The following table lists alignment tapes which are available.
Use the tape specified in the signal column for each adjustment.
If the type of tape to be used for checking operations is not specified,
use whichever type.
Name
Tracking
WR5-1NP
Video frequency
characteristics
WR5-7NE
Operation check
(SP mode)
WR5-5NSP
Operation check
(SP mode)
WR5-8NSE
Operation check
(LP mode)
WR5-4NL
Operation check
(LP mode)
WR5-8NLE
AFM stereo
Operation check
WR5-9NS
BPF adjustment
WR5-11NS
Record
-ing
mode
Standard
8 mm
Hi8
Standard
8 mm
Hi8
Standard
8 mm
Hi8
Standard
8 mm
Hi8
Tape
type
MP
ME
MP
ME
MP
ME
MP
MP
Tape
speed
SP
SP
SP
SP
LP
LP
SP
SP
Usage
Tape path
adjustment
Switching
position
adjustment
Frequency
characteristics
adjustment
Checking
operations
AFM stereo
Checking
operations
BPF
adjustment
Tape Used
ME
Hi8 MP
MP
Recording Mode
Hi8
Standard 8