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ViewSonic Corporation
Confidential - Do Not Copy
VX712
TL1451(U201)
:
PWM control, voltage range for working: 3.6~35V, Has such functions as
short-voltage protection, Over-voltage protection, over-current protection and etc.
The function of each pin and the circuit diagram inside are as follows
:
Pin Symbol
Description
Pin Symbol
Description
1
CT
External timing capacitor
9
VCC
Power supply
2
RT
External timing resistor
10
2OUT
Output 2
3
1IN+
Positive input for error amplifier 1
11
2DTC
Output 2 dead time/soft start setting
4
1IN-
Positive input for error amplifier 2
12
2FBK
Error amplifier 2 output
5
1FBK
Error amplifier 1 output
13
2IN+
Positive input for error amplifier
6
1DTC
Output 1 dead time/soft start
setting
14
2IN-
Positive input for error amplifier
7
1OUT
Output 1
15
SCP
Timing latch setting
8
GND
Ground
16
REF
Reference voltage output (2.5v)
Содержание VX712
Страница 20: ... 20 ViewSonic Corporation Confidential Do Not Copy VX712 ...
Страница 44: ... 44 ViewSonic Corporation Confidential Do Not Copy VX712 Sep2 Inpute the S N and execute Enter ...
Страница 45: ... 45 ViewSonic Corporation Confidential Do Not Copy VX712 ...
Страница 46: ... 46 ViewSonic Corporation Confidential Do Not Copy VX712 Sep3 Key the Enter and write the data ...
Страница 47: ... 47 ViewSonic Corporation Confidential Do Not Copy VX712 Sep4 If ddc program OK and show data compare ok ...
Страница 48: ... 48 ViewSonic Corporation Confidential Do Not Copy VX712 5 7 Packing For Shipping ...
Страница 50: ... 50 ViewSonic Corporation Confidential Do Not Copy VX712 6 Troubleshooting Flow Chart ...
Страница 69: ... 69 ViewSonic Corporation Confidential Do Not Copy VX712 9 Exploded Diagram And Spare Parts List ...
Страница 75: ... 75 ViewSonic Corporation Confidential Do Not Copy VX712 11 Block Diagram Scaler RTD2523 Include ADC OSD etc ...
Страница 81: ... 81 ViewSonic Corporation Confidential Do Not Copy VX712 12 6 Audio ...
Страница 83: ... 83 ViewSonic Corporation Confidential Do Not Copy VX712 13 3 KEYBOARD TOP VIEW 13 4 KEYBOARD BUTTON VIEW ...
Страница 84: ... 84 ViewSonic Corporation Confidential Do Not Copy VX712 13 5 POWER PCB TOP VIEW ...
Страница 85: ... 85 ViewSonic Corporation Confidential Do Not Copy VX712 13 6 POWER PCB BUTTON VIEW ...
Страница 86: ... 86 ViewSonic Corporation Confidential Do Not Copy VX712 13 7 AUDIO PCB BUTTON VIEW ...