Yamaha DSP-AX2 Service Manual

DSP-AX2
DSP-AX2
26
Q93 Q89 Q86Q82 Q79 Q75 Q72
Q68
Q65 Q61 Q58
Q54
100 – 300 mV
(L)
100 – 300 mV
(R)
100 – 300 mV
(C)
100 – 300 mV
(RL)
100 – 300 mV
(RR)
100 – 300 mV
(RC)
● Test Point
100 – 350 mV
(FL)
100 – 350 mV
(FR)
Q362 Q359 Q357 Q354 IC355 IC356 IC352 IC354 IC353
R385
R376
■ AMP CHECK
● Confirmation of Idling Current
1) No signal applied.
2) Non-loaded condition.
3) Aging is 10 minutes
Rating (DC)
100mV – 300mV
100mV – 350mV
Item
MAIN L
MAIN R
CENTER
REAR CT
REAR L
REAR R
FRONT L
FRONT R
Test Point
Q58 Base – Emitter (MAIN [1] P.C.B.)
Q65 Base – Emitter (MAIN [1] P.C.B.)
Q72 Base – Emitter (MAIN [1] P.C.B.)
Q79 Base – Emitter (MAIN [1] P.C.B.)
Q86 Base – Emitter (MAIN [1] P.C.B.)
Q93 Base – Emitter (MAIN [1] P.C.B.)
Both ends of R376 (F AMP [1] P.C.B.)
Both ends of R385 (F AMP [1] P.C.B.)
MAIN [1] P.C.B.
F AMP [1] P.C.B.

Yamaha DSP-AX2 Specifications

General

Brand	Yamaha
Model	DSP-AX2
Category	Amplifier
Language	English