Zenith D35, Service Manual

Page: 75 / 156

3-80 3-81
• WAVEFORMS
(RF/SERVO)
IC2A1 Pin 42, Focus Error
IC2A1 Pin 36, Pi IC2A1 Pin 41
Tracking Error IC2A1 Pin 41
VBR TRACKING Error
IC2A1 Pin57,
RF IC201 Pin 88, SLED Drive(FMO)
IC201 Pin 18, SLED FG IC2A1 Pin42, Focus Error(in Focus Search)
IC201 Pin 83, Focus Drive(FDO)
IC501 Pin 114
Component Y
(VIDEO ENCODER)
IC501 Pin 118, Composite IC501 Pin 112, Chrominance
(Super video out Mode)
Tek Stop : 2.50MS/s 4 Acqs
M20.0
µ
s 2 Apr 1999
14:47:27
Glitch
Ch1
Ch3 500mV
[T ]
T
3
IC501 Pin 114, Luminance
(Super video out Mode)
Tek Stop : 1 00kS/s 3290 Acqs
M 500 µ s CH1 280/mV
Edge Slope
Type
<Edge>
Source
Ch1
Coupling
DC
Level
280mV
Mode
&
Holdoff
3
Ch3 1.00V
[ T ] [ T ]
Slope
T
IC501 Pin 98,
MPEG Clock(27MHz) IC501 Pin 112
Component Pb IC501 Pin 110
Component Pr