Nad T 534 AH Service Manual
This is the 75 pages manual for Nad T 534 AH Service Manual.
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Extracted text from Nad T 534 AH Service Manual (Ocr-read)
Page 2
SECTION 1 . .
SECTION 2 . . .
SECTION 3 . . .
SECTION 4 . . .
SECTION 5 . . .
CONTENTS
. .SUMMARY
.CABINET & MAIN CHASSIS
.ELECTRICAL
.MECHANISM
.REPLACEMENT PARTS LIST
Page 13
3. Test & debug flow
/ \
. TEST 1
K /
NO
Check the AC Voltage
Power FCBA(110V cr 220V)
Replace power PCBA or
AC transformer.
YES
V
Switch on the Power PCBA
Is the DC Voltage NO
outputs OK? X 4»
Repair or Replace Power PCBA
5V,1.8V,3.3V,8V,12V)
YES
V
Make sure the main PCBA don't
short on V005 and switch rt on.
/\
Is 3.3V and 1.8V OR
NO
4»
Check the regulators or related diodes.
outputs normal on main
PCBA?
YES
V
Connect to PC H8232 Cable and
update the FLASH memory code.
Update FLASH N0
successfully?
/
/
1. Check 27MHZ system clock.
2. Check system reset circuit.
3. Check FLASH Fl/W enable signal PRDBWH.
4. Check H8232 SIGNALS.
5. Check FLASH Memory related circuit.