Acer AT4230C Service Manual page 12

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2.2 Video Input
CVBS Input Signal
Type
Polarity
Level
Impedance
Interface
S-Video Input Signal
Type
Polarity
Level
Impedance
Interface
YUV (YCbCr or YPbPr) Input Signal
Type
Polarity
Level
Impedance
Interface
2.3 Audio Input/Output & Speaker
Audio input (for Y/ Pb/ Pr & Video)
Level
Type
Impedance
Interface
Audio output (for all source)
Level
Type
Impedance
Interface
PC line In
Level
Type
Impedance
Interface
Audio Amplifier and Built-in Speaker
Audio Amp:
Speaker
Speaker impedance
6
Analog
Positive
1 Vp-p (with Sync.)
Ω
75
+/- 5%
RCA jack, yellow color
Analog
Positive
Y: 1 Vp-p (with Sync.) C: 0.286 Vp-p
Ω
75
+/- 5%
S-Din, Black color
Analog
Positive
Y: 1 Vp-p (with Sync.) U/V: 0.7 Vp-p
Ω
75
+/- 5%
RCA Jack, Y: Green color, U: Blue color, V: Red
color
500 mVrms
Stereo R/L channels
Ω
More than 22K
RCA Jack, R: Red color, L: White color
500 mVrms (typical)
Stereo R/L channels
Low Impedance
RCA Jack, R: Red color, L: White color
500 mVrms
Stereo R/L channels
Ω
More than 22K
3.5mm Stereo jack, Pantone 577C, Lime color
8W + 8W (at 500m Vrms input)
20W (10W + 10W)
Ω
4
at 1KHz
Chapter 1

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