SHOCK, FIRE HAZARD SERVICE TEST :
CAUTION :
After servicing this appliance and prior to returning to customer, measure the resistance between either primary AC
cord connector pins ( with unit NOT connected to AC mains and its Power switch ON ), and the face or Front Panel of product
and controls and chassis bottom.
Any resistance measurement less than 1 Megohms should cause unit to be repaired or corrected before AC power is applied,
and verifi ed before it is return to the user/customer.
Ref. UL Standard No. 1492.
TABLE OF CONTENTS
SECTION
PAGE
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13. ABOUT REPLACE THE MICROPROCESSOR WITH A NEW ONE .............................133
E3 Only
Summary of Contents for DN-A7100 - AV Surround Preamplifier
Page 4: ...2 1 2 500V M 1 2...
Page 20: ...18 Personal notes...
Page 26: ...30 29 E3 Ver Only 8 2 07 4 054 07 2 054 07 53 8...
Page 28: ...34 33 07 2 054 07 2 054 07 54054 054...
Page 29: ...35 36 2 07 6 07 2 45 2 5 0 4 0 24 4 054 07 4 0 4 07 0 4 6 4 054 07 2 054 07...
Page 33: ...43 44 Sn Ag Cu Lead free Solder When soldering use the Lead free Solder Sn Ag Cu 054 07...
Page 35: ...47 48 Sn Ag Cu Lead free Solder When soldering use the Lead free Solder Sn Ag Cu...
Page 46: ...66 Personal notes...
Page 62: ...82 IC51 XMDTIC...
Page 63: ...83 IC51 XMDTIC...
Page 64: ...84 IC51 XMDTIC...
Page 66: ...86 IC71 TC90A49PG...
Page 67: ...87 IC74 TA1270BF...