cxa1700aq Sony Electronics, cxa1700aq Datasheet - Page 33

• Manufacturer Part Number: cxa1700aq
• Description: Luminance And Color Signal Processing For 8mm Vcr
• Manufacturer: Sony Electronics

No.
bit
16 NCLP2
17 NCLP1
18 NCL2
19 NCL1
20 CFL2
21 CFL1
22 E
23 F.B.C. L1
24 JOG
25 EDIT
26 CCIR
27 W CCD
28 MUTE
MODE
H
H
H
H
H
L
L
L
L
L
During playback, switches the noise
canceler characteristics.
The typical value of PB Y comb filter
depth is switched as shown below.
(Low frequency: insignificant level input)
Hi-8 mode
Standard mode
Switches the feedback amount of the
chroma feedback comb.
1) High-speed ACC mode.
2) During playback, does not perform
1) During recording, the chroma signal is
2) During playback, cuts the feedback
3) During playback, makes the sharpness
For fsc = 4.43MHz
For fsc = 3.58MHz
Fix to Low.
1) Mutes the Y and chroma signals.
2) Discharges the charge in the external
Refer to Table 1.
dropout compensation.
Y/C separated by the BPF only without
passing though the comb filter.
loop of chroma feedback comb.
characteristics flat.
clamp capacitance for VIN1 (Pin 30)
and VIN2 (Pin 28) and in the external
capacitance for AGC TC1 (Pin 29).
CFL2
High
Low
CFL1
EDIT mode
CONTENT
Normal
Normal
Normal
–1.5dB
–10dB
High
–6dB
Low
0dB
—33—
No.
bit
29 Video AGC
30 INSEL
31 S
32 PB
(INput
SELection)
MODE
Table 1. Chroma Feedback Comb Loop Gain
F.B.C
L2
H
H
H
H
L
L
L
L
Video AGC on
Video AGC off
Selects VIN2 (Pin 28) input.
Selects VIN1 (Pin 30) input.
For separate signals during recording.
For composite signals during recording.
Playback mode
Recording mode
High
Low
+4.8dB
Low
0dB
F.B.CL1
CONTENT
+1.9dB
+6.7dB
High
CXA1700AQ/AR