Daewoo TVZ 1321 Service Manual page 56

Tv/vcr in one board, chassis : cn-140 ntsc-m system
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IY02 (LC89960)
1. Overview
The SANYO LC89960 is a 1H delay line for NTSC television systems.
Only an external low-pass filter is required to implement a 1H delay line.
2. Features
• Single 5V power supply.
• 1H delay signal can be obtained with low-pass filter and 3.58MHz clock input.
• Minimum number of external components required because of timing generator, bias generator, output Amp, on
chipped.
• The phase of output signal is reversed to the phase of input signal.
3. Functions.
• 905 stage CCD shift register.
• Timing generator and clock driver for CCD.
• Auto-bias circuit.
• Sync tip clamp circuit.
• Sample and hold circuit and output Amp.
• 4fsc clock generator with PLL circuit.
• VCO (4fsc) output circuit.
4. Absolute Maximum Ratings
Items
Supply Voltage
Operating Temperature
Storage Temperature
Allowable Power : Dissipation
5.Pin Operation
PIN
MODE
STOP
1
2.2
2
2.5
3
4
5
6
7
8
1.2
9
5.2
10
2.1
11
2.1
12
5.2
13
9.4
14
Symbol
VDD
TOPR
TSTG
PD
REC
2.2
2.5
0
0
2
2
0
0
0
0
0
0
1.2
5.2
2.1
2.1
5.2
9.4
0
0
Unit
Min.
V
-0.3
°C
-10
°C
-55
mW
Y/C CCD IC LC89960
PLAY
REW/FWD
2.2
2.2
2.5
2.5
0
0
2
2
0
0
0
0
0
0
1.2
1.2
5.2
5.2
2.1
2.1
2.1
2.1
5.2
5.2
9.4
9.4
0
0
54
max.
+6.0
+60
+150
-
450
REV/FF
PAUSE
2.2
2.2
2.5
2.5
0
0
2
2
0
0
0
0
0
0
1.2
1.2
5.2
5.2
2.1
2.1
2.1
2.1
5.2
5.2
9.4
9.4
0
0
Conditions
Ta = 25°C
Ta = 25°C
STILL
2.2
2.5
0
2
0
0
0
1.2
5.2
2.1
2.1
5.2
9.4
0

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