Heathkit AD 110 Schematic

Page 1

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NOTES l V I
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1. RFSISTORS AND CAPACITORS ARE IN THE FOLLOWING GROUPS; L .l I 4 I
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0-99 PARTS ON THE CIRCUIT BOARD. I I
100-199 PARTS ON THE CHASSIS. I i
I V I
2. ALT RESISTORS ARE 1/2 WATT UNLESS MARKED OTHERWISE. RESISTOR VALUES ARE IN OHMS I 4 9 0 T I
1/2 AMP PMCR SWITCH I
lK=lDOD, M'l,DDD,ODDT. was I '
_ @0 T1 ARED :
I20VAC
3. CAPACITOR VALUES LESS THAN 1 ARE IN LIE. VALUES 0F 1 AND ABOVE ARE IN PF UNLESS -/ T :
MARKED OTHERWISE. ' I
, x'xPED TEST I
X CIRCUIT '
4. ALL SWITCHES ON THE CIRCUIT BOARD ARE SHOWN IN THE "PLAY" POSITION. YBLU ._ I I
BLU-YEL .05 I
5. V THIS SYMBOL INDICATES GROUND TOIL ON THE CIRCUIT BOARDS, jHH 7000mm -T TB ,BELSATCIEEAD
é v'roookr MECFANTSM CRCUIT CT
6. :5 THIS SYMBOL INDICATES CHASSIS GROUND. III'LU BL ' To ouws ""
I P M VOLTAGE
monoummI-Iu-ulInn-Immune> I v" I | i
T. 0 THIS SYMBOL INDICATES CONNECTING POINTS ON THE CIRCUIT BOARD. m 1: I E"5° m
\ AM i : Mfi-tnoo )BIAS
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3. OTHIS SYMBOL INDICATES A POSITIVE DC VOLTAGE MEASUREMENT TAKEN WITH A HIGH .1 i l E I» W n:
IMPEDANCE VOLTMETER FROM THE POINT INDICATED TO THE CHASSIS GROUND. zaovou : T 9/43 -3) WT? LEAD
_ VDLTAGES MAY VARY IonR TRAZEITIERTNE I o-H 5. OSE'IfEMOR I
9, U THIS SYMBOL INDICATES A POSITIVE DC VOLTAGE MEASUREMENT TAKEN WITH 5 ' I
THE SWITCHES IN THE RECORD POSITION. E : PI ' I
E L<>----- --------- -------- -- ------- -------------------------------------- - ------------------ :
[uoTHIS SYMBOL INDICATES A CONTROL THAT IS MOUNTED ON THE CHASSIS EVEN "'"""""""""""'"""'°"'"""'"""5 : --
THOUGH THE SCHEMATIC SUGGESTS THAT THE PART TS MOUNTED ON THE CIRCUIT PILOTLAVF RECORDLAMD

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TAPE TRANSPORT PARTS PICTORIAL