5-56
10. Playback Y level Adjustment (JC-20 Board)
Mode
E-E
Signal
No signal
Measuring Point
Pin
qd
of CN1101 (CL1122)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
25
Specified value
Y level: A = 1.00 ± 0.01 Vp-p
SYNC level: B = 0.286 ± 0.01 Vp-p
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 0C, set data: 02, and press the PAUSE
button of the adjustment remote commander.
3) Select page: C, address: 25, change the data and adjust the Y
signal level (A) to the specified value.
4) Press the PAUSE button of the adjustment remote commander.
5) Check that the SYNC signal level (B) is specified value.
6) Select page: 3, address: 0C, and set data: 00, and press the
PAUSE button.
7) Select page: 0, address: 01, and set data: 00.
11. Playback C level Adjustment (JC-20 Board)
Mode
E-E
Signal
No signal
Measuring Point
Pin
qg
of CN1101 (CL1124)
Measuring Instrument
Oscilloscope
Adjustment Page
C
Adjustment Address
26, 27
Specified value
CR level: A = 0.714 ± 0.01 Vp-p
CB level: B = 0.714 ± 0.01 Vp-p
Adjusting method:
1) Select page: 0, address: 01, and set data: 01.
2) Select page: 3, address: 0C, set data: 02, and press the PAUSE
button of the adjustment remote commander.
3) Select page: C, address: 26, change the data and adjust the CR
signal level (A) to the specified value.
4) Press the PAUSE button of the adjustment remote commander.
5) Select page: C, address: 27, change the data and adjust the CB
signal level (B) to the specified value.
6) Press the PAUSE button of the adjustment remote commander.
7) Select page: 3, address: 0C, set data: 00, and press the PAUSE
button.
8) Select page: 0, address: 01, and set data: 00.
Fig. 5-3-7
H
A
B
Fig. 5-3-8
H
C
A
0.28
µ
sec (NTSC)
0.23
µ
sec (PAL)
B
0.28
µ
sec (NTSC)
0.23
µ
sec (PAL)
