Heathkit AA 14 Schematic

Page 2

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0 LEFT CHANNEL
SPEAKER OUTPUT
4 THROUGH léfl

HEADPHONE
JACK

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IDENTIFICATION

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2N27I2 2~2712 ans-m.

-o RIGHT CHANNEL

SPEAKER OUTPUT
4 THROUGH I61).

1. RESISTOR AND CAPACITOR NUMBERS ARE IN THE FOLLOWING GROUPS

0;

IW-I

ODD NMERS INDICATE LEFT CHANNEL COMPONENTS.
NUMBERS INDICATE RIGHT CHANNEL COMPONENTS.
PARTS IN THE POWER SUPPLY.

2. ALL RESISTORS ARE I/I WA T'I' WLESS MARKED OTHERWISE. RESISTOR
ARE IN OHMS IK = IND, MEG =2 I,W,OOOI.

3. ALL CAPACITOR VALUES ARE IN uId UNLESS MARKED OTHERWISE.

4. O THIS SYMBOL INDICATES A POSITIVE 0c VOLTAGE MEASUREMENT.
mm AN n MEGOHM VTVM. FROM THE POINT maucnso TO cmssm
VOL nor-:5 my vaav 9.20%.

5. INDICATES 3+ VOLTAGE POINTS.

6. <> INDICATES CONNECTING POINTS ON CIRCUIT BOARD.

7. SOURCE SWITCH SHOWN IN FULL COUNTERCLOCKWISE POSITION AS VIE
FROM THE FRONT.

8. REFER TO THE CIRCUIT BOARD X-RAY VIEW' FOR THE PHYSICAL
LOCATION OF PARTS.

9. REFER TO THE CIRCUIT BOARD FOIL DRAWING ON THE FOLD-OUT
FROM PAGE 38 FOR VOLTAGES AT THEIR PHYSICAL LOCATION.

I0. 4- INDICATES cw ROTATION.

SCHEMATIC or
HEATHKIT®

THE

SOLID STATE STEREO AMPLIFIER

MODEL AA-M