Acer AT1921 Service Manual page 12

Headphone Output
Built-in Speaker
Audio Line Output
RF Input
VGA Input
D-Sub Pin Define
Impedance
Interface
Type
Level
Impedance
Interface
Max. Audio output
Sound Distortion
Speaker
Speaker Impedance
Residual Hum
Max. Hum
Type
Level
Interface
Input Impedance
Frequency Range
Video S/N Ratio
Audio S/N Ratio
Sync
RGB Signal
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
More than 22kΩ
3.5mm Stereo Jack , Black color
Stereo R/L Channels
40mW rms/per Channel(typ.) for 32 ohm earphone
32 ohm
3.5mm Stereo Jack
5W + 5W (at 1.0Vp-p / 1kHZ input,10% THD max.)
1% THD max. ( at 250mW/1kHZ : )
5 W / 8 ohms
8 ohms at 1kHZ
500uW Max.( at Min. Volume : )
1000uW Max ( at Max. Volume )
Stereo R/L Channels
400Vrms.
3.5mm Stereo Jack
75 ohms
48.25~855.25 MHz (PAL)
45 d B (Typical)
63 d B (Typical)
Level : Low = 0 to 0.8V, High = 2.0 to 5 V
Polarity : Positive or Negative
Impedance : 1 k ohm or higher
Level : 0 to 700mV Positive
Impedance : 75Ω± 5%
Red Video
Green Video
Blue Video
Ground
Ground
Red Ground
Green Ground
Blue Ground
+5V ( PC97 )
VGA-CONN(Sync GND)
Ground
SDA ( DDC Data )
Horizontal Sync
Vertical Sync
SCL ( DDC Clock )
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