ViewSonic VX715 Service Manual

ViewSonic Corporation
18
BA9741F: 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 is as follows:
PIN NAME FUNCTION PIN NAME FUNCTION
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)

ViewSonic VX715 Specifications

General

Response time	25 ms
Display diagonal	17 \
Display resolution	1280 x 1024 pixels
Vertical scan range	85 Hz
Horizontal scan range	82 kHz
Viewing angle, vertical	130 °
Viewing angle, horizontal	140 °
Display brightness (typical)	300 cd/m²
Panel mounting interface	100 x 100 mm
Power requirements	AC 110/230 V ( 50/60 Hz )
I/O ports	1 x VGA - 15 pin HD D-Sub (HD-15) 1 x DVI-D - 24 pin digital DVI
Compatibility	PC/Mac
Certification	TCO '03, FCC Class B certified, CE, MPR II, UL, TUV GS, VCCI, C-Tick, BSMI, ISO 9001, GOST, cUL, EPA Energy Star, GS, ISO 13406-2, NEMKO, NOM, PCBC, SASO, TCO '99, ISO 14001, CB, CCC, TUV Ergo, PSB
Market positioning	-
Power consumption (typical)	35 W
Operating relative humidity (H-H)	20 - 90 %
Maximum operating temperature range (T-T)	0 - 40 °C

Weight and Dimensions

Depth (without stand)	176 mm
Width (without stand)	388 mm
Height (without stand)	438 mm
Weight (without stand)	5000 g