Akai DV-R4100VSS Service Manual page 4

PERFORMANCE SPECIFICATIONS - CONTINUED
VIDEO SECTION - 1
TEST CONDITIONS
1. Video level Equipment: Waveform Monitor (Except VM700)
Test Signal: LT2-1, 1-1, SAMPLE color bar
Test Point: Complex or S(Y) output
Method: 1. Connect TP to waveform monitor
2. Play test disc and test output level
from pedestal of H display to 100IRE
(S terminal without load when test complex output)
2. SYNC level Equipment: Waveform Monitor (Except VM700)
Test Signal: LT2-1, 1-1, SAMPLE color bar
Test Point: Complex or S(Y) output
Method: 1 Connect TP to waveform monitor
2. Play test disc and test SYNC signal
(S terminal without load when test complex output)
3. Chroma burst level Equipment: Waveform Monitor (Except VM700)
C-BURST Test Signal: LT2-1, 1-1, SAMPLE color bar
Test Point: Complex or S(Y) output
Method: 1. Connect TP to waveform monitor
2. Play test disc and test chroma burst level
(S terminal without load when test complex output)
4. Chromatism signal Equipment: Waveform Monitor (VM700)
output level Test Signal: LT2-1, 1-1, SAMPLE color bar
Test Point: Chromatism output (Y/CB/CR)
Method: 1. Connect TP to waveform monitor
2. Play test disc and test output level and
PP value of CB, CR
5. Frequency response Equipment: Waveform Monitor (VM700)
Test Signal: LT2-1,1-1, multi burst
Test Point: Complex or S(Y) output
Method: 1. Connect TP to waveform monitor
2. Play test disc and test various frequencies
output level
3. Set level of 0.5MHz to be 0dB. Compare
output level of others with 0dB.
6. Luminance S/N Equipment: Waveform Monitor (Expect VM700)
Video noise meter
Test Signal: LT2-1, 1-3, 50% whirt (50IRE)
Test Point: complex or S(Y) and component(Y) output
Method: 1.Connect TP to Video Noise Meter
2. Play test disc signal portion (50% IRE) and
test noise level.
(Test L131 when using VM700)
Test equipment condition:
(4.2MHz LPF, SC trap, 100kHz HFP. ON)
7. Chroma signal AM,PM Equipment: Video Noise Meter (expect VM700)
S/N Test Signal: LT2-1, 1-3
Test Point: complex or S(C) output
Method: 1. Connect TP to video noise meter
2. Play test disc signal portion and test noise
level of chroma signal.
(Test L131 when using VM700)
Test equipment condition:
(100Hz~1MHz BPF, SC trap,. ON)
(VM700: 100kHz HPF, 1MHz LPF, Single Line)
SPEC.
714-71/+107mV
286±50mV
286±50mV
Y=714-71/+107mV
SYNC=286±50mV
CB,CR=
525-53/+79mV
B-Y=286±50mV
R-Y=286±50mV
0.5MHz=0dB
2MHz=0±1.0dB
4MHz=0±1.5dB
5.75MHz=0=4/-5dB
play 50% IRE:
noise level < -60dB
chroma signal
noise level
< -50dB
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PERFORMANCE SPECIFICATIONS - CONTINUED
VIDEO SECTION - 2
TEST CONDITIONS
8. Color phase Equipment: Video Analyser (Expect VM700)
Test Signal: LT2-1, 1-1, SMPLE color bar
Test Point: Complex or S(C) output
Method: 1. Connect TP to video analyser
2. Test phase of various colors in color bar.
9. RGB output Equipment: Waveform Monitor
(only for w/RGB model) Test Signal: LT2-1, 1-1, SMPLE color bar
Test Point: RGB output
Method: 1. Connect TP to waveform monitor
2. Convert to RGB output mode
3. Play test disc signal portion and test
100IRE (100% whirt) output level.
Remarks:
1. The initial picture of TV shape is 4:3 Normal.
2. Black level is Enhanced.
3. Audio output select is Analog 2CH.
SPEC.
YEL.=167.6°
CYAN=283.5°
GRN.=240.6°
MAG.=60.6°
RED=103.5°
BLU.=347.6°
within+9°/-1°
700-70/+105mV
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