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McIntosh MC 22O5 Service Information

McIntosh MC 22O5 Service Information

Power amplifier

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MC 22O5

P O W E R

A M P L I F I E R

S E R V I C E

I N F O R M A T I O N

S T A R T I N G

W I T H

S E R I A L

NO.

A X 1 0 0 1

M c l N T O S H L A B O R A T O R Y

I N C .

B I N G H A M T O N , N E W

Y O R K

1 3 9 0 3

0 3 8 - 9 8 0

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Summary of Contents for McIntosh MC 22O5

Page 1 MC 22O5 P O W E R A M P L I F I E R S E R V I C E I N F O R M A T I O N S T A R T I N G...
Page 2 M C 2 2 0 5 P E R F O R M A N C E LIMITS & R A T I N G S MONO: 0.1% maximum harmonic PERFORMANCE d i s t o r t i o n at any power lev- el from 250 m i l l i w a t t s to Mc Intosh audio power rat i ngs are in ac- cordance w i t h the Federal Trade Commis-...
Page 3 M C 2 2 0 5 LEFT INPUT LEFT SPEAKER OUTPUT LINE RIGHT S P E A K E R OUTPUT RIGHT/MONO INPUT B L O C K D I A G R A M...
Page 4 LEFT CHANNEL OUTPUT HEADPHONE LEFT INPUT RIGHT/MONO INPUT I N T E R C O N N E C T I O N...
Page 5 M C 2 2 0 5 S C H E M A T I C N O T E S Unless otherwise spec i f i e d : Resistance v a l u e s are in ohms, 1/4 w a t t , and 10% to 1erance; capacitance v a l u e s sma llr than 1 a re in microfarads (µF) : capacitance v a l u e s greater than 1 are in picofarads (pF);...
Page 6 M C 2 2 0 5 METER RANGE PC BOARD 044-623 Q242 Q241 Q240 Q239 Q238 Q237 Q230 Q229 BOTTOM BOTTOM Q236 Q235 Q234 Q233 Q232 Q231 Q228 Q227 BOTTOM BOTTOM LOCATION OF TRANSISTORS NOT ON PC BOARD...
Page 7 M C 2 2 0 5 METER RANGE PC BOARD 044-623 SWITCH IS SHOWN FRONT VIEW IN WATTS POSITION M E T E R R A N G E...
Page 8 M C 2 2 0 5 LAMP PC BOARD 0 4 4 - 7 9 2...
Page 9 M C 2 2 0 5 LAMP PC BOARD 0 4 4 - 7 9 2 L A M P...
Page 10 M C 2 2 0 5 METER PC BOARD 044-624...
Page 11 METER...
Page 12 M C 2 2 0 5 P O W E R S U P P L Y...
Page 13 M C 2 2 0 5 POWER SUPPLY PC BOARD 044-631...
Page 14 M C 2 2 0 5 LEFT CHANNEL POWER OUTPUT PC BOARD 0 4 4 - 6 2 6...
Page 15 P O W E R O U T P U T...
Page 16 M C 2 2 0 5 P O W E R O U T P U T...
Page 17 M C 2 2 0 5 RIGHT CHANNEL POWER OUTPUT PC BOARD 044-626...
Page 18: Replacement Parts
M C 2 2 0 5 R E P L A C E M E N T PARTS D201 ,202 Si. si gna l d i ode 070-047 A l l p a r t s D203,204 Si. si gna l d i ode not l i s t e d are common i tems 070-047 obta i n-...
Page 19: Miscellaneous Items
M C 2 2 0 5 Q241 ,242 S i , PNP trans i stor 132-165 SWITCHES 132-090 Q301 S i . NPN trans i stor 146-180 S101 Meter range swi tch 132-078 Q302 S i . NPN trans i stor Power on-off swi tch S201 146-167...
Page 20 M C 2 2 0 5 1 5 C 1 1 0 5 S 7 - M 6 9 8 0 - 3 0 3 8 - 9 8 0 BE072003...