Sharp CD-ES9 Service Manual - Page 88

IC851 VHiAN80T53/-1: Multi Regulator AN80T53, Pin No., Terminal Name, Function, BLOCK

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IC851 VHiAN80T53/-1: Multi Regulator (AN80T53) Pin No. 1 2 3 4 5 6 7 Terminal Name REG4 Output REG3 Output VCC GND MODE 1 REG2 Output REG1 Output Function 5.1 V power supply with a minimum peak out current of 1200 mA. 13 V power supply with a minimum peak out current of 1350 mA. Connected to Power supplies. Connected to the IC substrate. REG1, REG2, REG3 and REG4 outputs are turned ON when this pin is 5 V. 10 V power supply with a minimum peak out current of 800 mA. 8.5 V power supply with a minimum peak out current of 700 mA. Peak Current Protection, Thermal Protection, Load Short Protection. Out puts CD-ES900/CD-ES99 + - Prc Drive + - Prc Drive + - Prc Drive + - Prc Drive 5 MODE1 Reference Voltage 23 REG3 VCC 13 V 4 GND 1 REG4 5.1 V 7 REG1 8.5 V Figure 8-9 BLOCK DIAGRAM OF IC 6 REG2 10.0 V 8 - 9

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CD-ES900/CD-ES99
8 – 9
IC851 VHiAN80T53/-1: Multi Regulator (AN80T53)
Pin No.
Terminal Name
Function
1
REG4 Output
5.1 V power supply with a minimum peak out current of 1200 mA.
2
REG3 Output
13 V power supply with a minimum peak out current of 1350 mA.
3
VCC
Connected to Power supplies.
4
GND
Connected to the IC substrate.
5
MODE 1
REG1, REG2, REG3 and REG4 outputs are turned ON when this pin is 5 V.
6
REG2 Output
10 V power supply with a minimum peak out current of 800 mA.
7
REG1 Output
8.5 V power supply with a minimum peak out current of 700 mA.
5
2
3
4
1
7
6
Peak Current Protection,
Thermal Protection,
Load Short Protection.
Out puts
-
+
-
+
Prc
Drive
-
+
Prc
Drive
-
+
Prc
Drive
Prc
Drive
Reference
Voltage
MODE1
REG3
13 V
REG4
5.1 V
REG1
8.5 V
REG2
10.0 V
VCC
GND
Figure 8-9 BLOCK DIAGRAM OF IC