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Aiwa XA-950 Service Manual page 4

Stereo integrated amplifier
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RELAY
ORIVE
CIRCUIT
E
DGS
a
2SA970
2SK369
LET)
(K
ET) (E. Z)
2SA1015
LET) (K)
2SC1815
2SC2240
;
25C3329
a
Ec
8B
2SA1220
2SA1216
2SC2682
2SC2922
25C2690
Description
STEM
clock
oscillator
signai.
« frequency
is 4MHz.
©) Y
TEST
mode
setting. Connected
to V
Imected
to ground
bi eM
reset
input
ver on
detection
signal
ODER
A signal
input.
ODER B
signal
input.
AOCON
signal input.
(active : Hi) |
(active : Hi)
er supply.
(connected
to + 5V)
LUME
UP
signal
output.
LUME
DOWN
signal
output.
(active : Hi)
(active : Hi)
AY, LED
driver
output.
(active : Hd)
AY, LED
driver
output.
"active : Hi
AY
yee
-Griver
-OuroUt.
"Lacive <a)
AY, LED
driver
output.
'active: Hp
AY, LED
driver
output.
'active: Hp
AN, LED
driver
ourout.
(acuve: hn
Le
SCR
OSC
ator
Se)
NJIM2068D
2SA1360
2503419
2981330
25D2006
Pe
é
LB1630
MOTOR
FORWAR®
OU EZ
ENZ:
je QU
OFF
OFF
Pe
STAN®OBY
(TOP
VIEW)
ADJUSTMENT
MAIN C. B
PIN12
(TP2)
3
Jc
SFR2
IDLING CURRENT ADJUSTMENT
* Test
Poinis: TP1]
(PIN11, Lch)
TP2
(PIN12, Rech)
Locavons
SPRL
«hen
Settings :
- Adjustment
SFR2
(Rech)
TPL. TP2 (Gside:
i.
= SiGect.5)
SAG
SajUst
(SO
inal:
Ine.
Vollage
os
3.0MmV

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