Sony GY-8240UWD Maintenance Manual page 212

4-9. CONFI Head Height Adjustment
Confirmation
4. Turn the Power On
5. Set the unit into the line mode
6. Play Back the Alignment Tape
Play back the YR2-1A alignment tape (IDR: 0 to
200000). (FWD mode)
7. Check the CONFI Head Height
(1) Check that the level decreases when portion
A of the tape shown in the figure is pressed
down.
n
Watch portion E of the waveform. The level
change will appear in the portion.
If the level increases, perform step 9.
(2) Check that the level decreases when portion
B of the tape is pushed up.
n
Watch portion E of the waveform. The level
change will appear in the portion.
If the level increases, perform step 10.
8. CONFI Head-to-tape Contact
Adjustment
(1) Check that the level does not increase when
portion C or D of the tape shown in the figure
is slightly pushed.
n
Watch portion E of the waveform. The level
change will appear in the portion.
If the level increases, perform step 11.
4-32
* Alignment tape: YR2-1A
<Confi LTC Output waveform>
Spec. : The level decreases when pressing down
and pushing up the alignment tape.
CONFI Head Height Check
A
D
C
B
CTL/TC head
E
A
A > 3 V p-p
GY-8240UWD
GY-8240FC