Circuit Diagrams; Power(Smps) Circuit Diagram - NAD T533CT Service Manual

CIRCUIT DIAGRAMS

1. POWER(SMPS) CIRCUIT DIAGRAM

Power Dead.
IC101 is defective.
NOTES) Warning NOTES : Symbol denotes AC ground.
NOTES) Parts that are shaded are critical
NOTES) With respect to risk of fire or
Symbol denotes DC chassis ground.
NOTES) electricial shock.
VF(+) Power Dead.
F102 is defective.
39
8V Power Dead.
IC105 is defective.
1000PF
3-29
IMPORTANT SAFETY NOTICE CUIT. SPECIAL COMPONENTS ARE SHADED ON THE
SCHEMATIC FOR EASY IDENTIFICATION.
WHEN SERVICING THIS CHASSIS, UNDER NO CIR-
THIS CIRCUIT DIAGRAM MAY OCCASIONALLY DIF-
CUMSTANCES SHOULD THE ORIGINAL DESIGN BE
FER FROM THE ACTUAL CIRCUIT USED. THIS WAY,
MODIFIED OR ALTERED WITHOUT PERMISSION
IMPLEMENTATION OF THE LATEST SAFETY AND
FROM THE NAD ELECTRONICS CORPORATION. ALL
PERFORMANCE IMPROVEMENT CHANGES INTO
COMPONENTS SHOULD BE REPLACED ONLY WITH
THE SET IS NOT DELAYED UNTIL THE NEW SERVICE
TYPES IDENTICAL TO THOSE IN THE ORIGINAL CIR-
LITERATURE IS PRINTED.
VF(-) Power Dead.
ZD101 is defective.
12V Power Dead.
IC103 is defective.
3.3V Power Dead.
IC106 is defective.
Without
KSB1151
5V Power Dead.
Q107 is defective.
'03. 02. 26 R16006A
NAD
3-30
NOTE :
1. Shaded( ) parts are critical for safety. Replace only
with specified part number.
2. Voltages are DC-measured with a digital voltmeter
during Play mode.