Waveforms - Toshiba SD-K615 Service Manual

• WAVEFORMS

IC2A1 Pin 42, Focus Error IC2A1 Pin 41
Tracking Error
IC2A1 Pin 57, IC201 Pin 88, SLED Drive(FMO)
RF
IC501 Pin 118, Composite IC501 Pin 112, Chrominance
(Super video out Mode)
Tek Stop : 1 00kS/s 3290 Acqs
[ [ T T ] ]
Edge Slope
T
3
M 500µs CH1 280/mV
1.00V
Ch3
Mode
Source Coupling Slope Level
Type &
Ch1 DC 280mV
<Edge> Holdoff
IC501 Pin 99, IC501 Pin 112
PANTER MAIN Component Pb
IC2A1 Pin 41
VBR TRACKING Error
IC2A1 Pin42, Focus Error(in Focus Search)
IC201 Pin 83, Focus Drive(FDO)
Tek Stop : 2.50MS/s
4 Acqs
[T ]
T
3
M20.0µs Glitch Ch1 2 Apr 1999
Ch3 500mV
14:47:27
IC501 Pin 114, Luminance
(Super video out Mode)
IC501 Pin 110
Component Pr
3-25
IC501 Pin 114 TURN(+)(-) Signal from µ-com
Component Y
TURN(+)(-) from Motor Drive Sensor 1 (disc position)
Reverse turn, IC301 6, 8 Sensor 2 (disc ready),
IC301 78,89
TE/TZC Before tracking TZC/MIRR (Search mode)
servo ON IC2A4 7, IC2A1 27
3-26
TURN(+)(-) from Motor Drive
Forward turn
TE/TZC After tracking
servo ON (Play mode),
IC2A1 36, IC2A4 7
TE/SLD(+) Search mode
(outter & inner),
IC2A1 36, IC2M1 28