HP 214B - Page 139

rem
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FRAMEl
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I PiO A2 TIMING BOARD ,,,,,, ... ;,,,
OPT. 001 EXt INPUT CIRCUITS
,,-,I MA=N.....:.N:;:EG:::::::::::PO:::S=----_---,·, I
I
5
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+5V
INORMI ~2 Sia
'~5 0
6
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CI
+15V _ ....... ---------1~-_,
R4
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10K. 1
TRIGGER 1
LEVEL 1
I
PANEL 1
FRONT I
__ -.J
-15V--~-----4 ____ -4 __ ~ ________________ ~"""' ________ -4_
1 EXT. TRIGGE R 1
START BURST
-15V
~
' _5 __ 66_
I 2
+5V
Sld
5~
+5V
+5V +5V
+9.5V
R30
200
FOR TROUBLESHOOTING REMOVE WIRE 927
.FROM POWER SUPPLY BOARD AND SWITCH
OUTPUT
POLARITY TO NEG
+9.5V
Scans by Artekmedia => 2009