HP 3720A - Page 82

Model 3720A
n FRONT PANEL MARKING
~~--~~~~I~ REAR PANEL MARKING
CHASSIS MARKING
*- - - - - _- FRONT PANEL CONTROL
+ SCREWDRIVER ADJUST lP2 T TEST POlNl
I
CW CLOCKWISE END OF VARIABLE RESISTOR
ALL RESISTOR VNUES
IN OHMS AND CAPACITOR VALUES IN PICOFARADS
UNLESS OTHERWISE STATED
COYrONNlS WHICH ARE NO1
MOiJNTED
ON PC COARDS NEED
NO PREFIX 0 05 IS A COYPLElE
REFERENCE
ROTARY
SWITCH
A12 LOW VOLTAGE powu( SUPPLY Am. 101720-70D121
-
-___-
--
ALL COMfUNENlS IN 1HlS ASSEMBLI
RI ILu*uAMMAlICALLY WITHIN BOUNDS
OF wMun ARE PREFIXED BY
ASSEMMY NO a COMPLETE
RLRRENCE
-0 AI202
01
.My
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6 .b -
PIN NOS RELATED 10 CONNECIOR XA12
[UllERS ME USED
10 INDICAR THE
SWITCH WAFER IDENTIFICATION CONNECllCUS
To 1H REVERSE SIN OF
A DOUBLE
YDED PC BOARD1
2 WAF
BOARD EDGE CONNECTOR NUMBERlLETER EQUIVALENTS
101710.00411
1 12 13 I4 IS 16 I 7 I8 I9 110111 I12 113 114 115 116117118 Il9kQ121 122123124
A IB IC ID I E IF IH I1 I K I L IM IN IP IR I S I1 IU IV lWlX 1'1 I2 IMIM
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1
L--L
F = FRONT
8F' 'BR R i REAR
Figure 5-1 Guideto schematics
5-2
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L
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