TESTEQUIPMENT
To facilitate service and alignment for this chassis, it is
that the following test equipments should be
used.
VARIABLE POWER SUPPLY . . . .
Range: DC 0 . .
TEST PATTERN GENERATOR
VOLT METER . . . . . . . . . . . High input
type.
SWEEP GENERATOR.
MARKER GENERATOR . . . . . . . With crystal
accuracy.
IF-TEST BLOCKS . . . . . . . . . . . . . . . . Shown in Fig.
VIDEO DETECTOR TEST BLOCK . . . Shown in Fig.
OUTPUT PADS . . . . . . . . . Shown in Fig.
5 (A)
T E S T P O I N T
I
-
-
.
CHASSIS
Figure IF Test Block
Figure Video Detector Test
T O T E S T P O I N T
CHASSIS
S W E E P
G E N E R A T O R
Sweep Generator Output Pad
Sweep
Output Pad
SWEEP
GENERATOR
SWEEP
GENERATOR
Sweep Generator Output Pad
Figure Output Pad
7
Summary of Contents for 8C221
Page 28: ...PRINTED WIRING BOARD ASSEMBLIES I Figure 18 PWB A Component Side 28 ...
Page 29: ...Figure 19 PWBA Wiring Side 29 ...
Page 30: ...Figure 20 FWB B Component Side 30 ...
Page 31: ...Figure 21 PWB B Wiring Side 31 ...
Page 32: ... PWBF0491CE ...
Page 33: ...Figure 26 PWB E Component Side Figure 27 PWB E Wiring Side 33 ...
Page 34: ...Figure 28 PWM A Component Side Figure 29 PWM A Wiring Side 34 ...
Page 40: ... I 8 VPP W 1 2 WXJ H I 3 3 4Vpp H 1 4 6 4Vpp U I I 51 WPP t 0 1 ...
Page 46: ...S H A R P 46 ...