Pioneer A-450R Manuale di servizio - Pagina 7
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A-550R.
A-450R
|
2. SCHEMATIC DIAGRAM
AF COMPLEX assembly
(AWZ3487:A-550RA)
(AWZ3489: A-450R)
Ic101.
-@104:
A
}PHONO EO ue
L101 2704H
OUT
co
cea
IN
TONE assembly (AWZ34914
10601: BUFFER
Q601. 602: MUTE
10601. 602
AC4S5580xXP
Q601- 602
2eSK246
1
851. 852
OTC143ES
| | 0601
H
(A-550R ONLY!
b
Aa to the A-450A
type-refer
to page
11.
0601. 602. 607
D603
D605. 606
oe
q
t
'
?A-550R) (AWZ3492:A-450R)
AEL1065
AEL1084
1$S252
C115)
C17,
39000)
re
Pd,
ordalallaal 2a
3
10
26
[29 90999
> > 9}
1
Gu
cs
620
sogoztzv2
7
5 =.
fa
0
C245
330p
Figures
enclosed
in
)*
for
A-450RA
TYPE.
G20 1-G204. G211- 212. G215-G234. 0237. G238:POWER
AMP
+
3!
vat
S
|
* C505 6800/50 ACH1189:4-450A
= C506 6800/50 ACH1190:4-450A
er
Ic101
upc4570C(4-S50A)
M5220P( A-450R)
UNSWITCHED
200" MAX
Ti
ATS1368(-5550A)
ATS1367(-4550R)
3
(0. 047/100)
[A= a50R/HE |
assembly
Q203-208. 215-218.
2541048
Q305
Q231. 232
2SA1145
G223. 224
2SA1306
G229. 230. 233. 234.
2Sag992
Q238. 291-294
Q306
28C1815
Q@211. 212. 227. 228.
2501845
Q237. 301. 302
Q105. 106
2SC2458
(A-SS5OR
ONLY):
Q303. 304. 307
2SC2458
G2e5. 226
2SC2603
Q219. 220
28C2705
Q221. 222
2SC3298
Q101-104
2SK369
(A-550A
ONLY!
es
rrr
0507
0217-220
0201-202
0307
0101-102
{A-S50R
ONLY!
0103
{a-S5OR
ONLY).
0209-216. 301-30