LA9511W
Continued from preceding page.
Pin No.
Pin
Voltage
Function
Sync tip clamp output
37
CLAMP C1
VCC/2
4.7µF
37
36
A13072
38
NC
—
39
V DEV ADJ
Video VCO deviation adjustment
1.25
39
42PIN Or EVR
REG 0 to 1.24 V
About 22 kΩ
40
NC
—
A13074
Video input
Reference input level: 0.5 Vpp
41
VIN
VCC/2 Input impedance: 17 kΩ
10µF
41
Video signal source
A13076
42
REG
Reference voltage supply bypass capacitor connection
Discharges in standby mode.
1.25
42
+
43
A GND
0
Audio ground
A13078
Audio system VCC/2 line bypass capacitor
The pin voltage approaches the VCC voltage in standby
mode.
44
A VREF
VCC/2
44
+
A13080
45
A DEV ADJ
Audio VCO deviation adjustment
42PIN Or EVR
1.25
45
REG 0 to 1.24 V
About 22 kΩ
A13082
Audio left channel input
Reference input level: –30 dBs
Input impedance: 10 kΩ
46
L CH IN
VCC/2
1µF
46
Audio signal source
A13084
Equivalent circuit
37
750µA
A13071
40kΩ
39
V REG
1.25V
A13073
5kΩ
41
V VREF
To the driver block
100Ω
42
Internal REG
A13075
To the band
gap reference
A13077
Audio RF system
20Ω
44
Audio AF system
A13079
60kΩ
45
V REG
1.25V
A13081
46
ALVREF
A13083
Continued on next page.
No. 6468-10/13