Technics SA-EX100

$А-ЕХ100
NORMAL WAVEFORMS OF AMPLIFIER CIRCUIT AND LIKELY FAULTY BLOCKS
CD player Tape deck AF oscillator Likely faulty block if the normal waveform
shown at the left is not present.
Input selector block ІС401 & area
0.5тзес 2V
0.5msec0.5mV 1msec 100mV
0.5тзес 5V imsec500mV
L5/R5
0.5тзес АА 1тзес —
Le/R6
0.5msec 5V* 1тзес Кага
Measurementconditions. Volume control (VR501), Tremble control (VR512) апа puse control (VR511) positions : ©
*Volume control position (VR501) forthese test Өө
Master volume block УН 501 & area
Tone control block 10511 & area
Main amplifier block ІС601 & area
imsec 1V*
CEES CIRCUIT BLOCKS OF THE MAIN UNIT
Соппесію | TP(L4, Ва)
equipment : TP(L1, R1) ТР(13, НЗ) ТР(15, R5) | TPIL6, R6) :
, Н
INPUT
SELECTOR
(C401)
(VR501)
AF J
oscillator] TAPE
PLAY
mum) Amplifier circuit line