Yorkville Sound
Shown Wired For, #1289, AP-3400CEXFMR WIRING NOV, A C - W H I T E, W O L L E Y
Specification
Parts list
Shown Wired For
Testing Repaired Circuit Board
Safety
AP3000 AND AP3400 SERVICE
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Contents
HIGH EFFICIENCY STEREO POWER AMPLIFIER
3400
Quality and Innovation Since
CANADA
IMPORTANT SAFETY INSTRUCTIONS
Power Sources
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL
Power Cord
VOLTAGE AMPLIFIER
CIRCUIT DESCRIPTION
SHUTDOWN CIRCUIT
CIRCUIT DESCRIPTION
QUIESCENT CONDITION
THE SECOND TIER
Current Limit Protection Circuitry
DC Protection
Conditions of test
EMS Circuit
Fan Circuit
Thermal Shutdown Circuit
Identifying Defective Boards in the AP-3400
SPECIFICATIONS
STEP 3 POWER UP PROCEDURE WITHOUT M1002A BOARDS
STEP 4 DISMANTLING AND REASSEMBLY PRECAUTIONS
POWER
STEP 3 POWER UP PROCEDURE WITHOUT M1002 BOARDS
STEP 4 DISMANTLING AND REASSEMBLY PRECAUTIONS
AP3400 Parts List 10/28/98
STEP 1 VISUAL INSPECTION OF FRONT PANEL AND FAN
M1011A.SCH DATABASE HISTORY
M1002A.SCH DATABASE HISTORY
M1013A.SCH DATABASE HISTORY
M1011A.SCH DATABASE HISTORY
MODELS - AP-3400
DATE
VER# DESCRIPTION OF CHANGE
M1011A
MS2BOTTOMBAMP
SHEAR
SHEAR
M1011A
M1011A.PCB DATABASE HISTORY
RIGHT = CHAN B
LEFT = CHAN A
C8M1012
M1012
SHEAR
SHEAR
MJH11018
MPSA06
2N5551
B C E
MJH11018
2N5551
MPSA06
B C E
M1013A
AP-3400
COPPER OZ
SHEAR
M1002A AP-3400
5WATT
@R55WATT
Testing Repaired Circuit Board
AP3000 AND AP3400 SERVICE
Quick Fix for M1002 and M1002A
YORKVILLE SOUND
the M1002 or M1002A circuit board to be serviced
If the
M1002A
AP-3400
SHEAR
CHECK
SHOWN WIRED FOR
AP-3400CEXFMR WIRING NOV
#1289
A C - W H I T E
SHOWN WIRED FOR
AP-3400CEXFMR WIRING NOV
#1289
A C - W H I T E
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