Sony AC-500CE - Page 18

SCHEMATIC DIAGRAM
Serial No. 10751 Up to 20600 (U/C)
Serial No. 10751 Up to 15069 (AEP)
Serial No. 10481 Up to 11990 (J)
— 5 - ee, Cl
PW: 4 | Q2012sc2023 nts
BOARD Q 214 z2sc2023
Q202esciai0
Q2072sa893
EXT
VBS
;
ranean
Q
205
2sa676
Q206
2sa678
Q
2082sc
1364
204
2scisio
VOLTAGE
COMPARATOR
OSC
STARTER/
STOPPER
*17Q209
Q2ti
PULSE
POWER
AMP
(CHOPPER)
(PULSE
WIDTH
MODULATOR)
Q210
Q212
1
enbcer
OSC
(=20KHz
AT
NO
LOAD)
'
FEMALE
(WIRING
SIDE)
Po 2 cN13
oe xe DC OUT
L205 L206 FEMALE,
A i ERD TS 123V— =— (WIRING SIDE)
A ]Q207
“y |2 2 R207. ||R2
D208 A
\
100k:
.|400K
bal : ow 1S2076A
¢205 : peor
1820764
cnie VIDEO OUT
MIC OUT
(USA/CND, AEP; MALE, WIRING SIDE )
(JAPAN; FEMALE ,EXTERNAL VIEW)
8
ULN3006T
OUTPUT
! Ic 201 CURRENT 4 Hav
(HALL IC)
MAGNETIC 1-206
F101
6
ss 5 ok RV201; OUTPUT VOLTAGE (#12.3V) Q2132sa893a IC 201 x2 (HALL Ic)
01
00015
=
Cos
o
‘
:
i oot Q00ls T Sel oy EXCESS CURRENT DET
TO HEAT SINK
[Poca PE ea eae eS = let ea Mert EE
a
| AC 1 5 BoaRe
7 i
S
w
oO
ee FLUX 2
Riog THERMAL 2.2 cB101 st A 3
22 109C 10a Sw 315A 250V cntot] Cnt POWER a
1— fo cnt z
cn 1 ~AC IN 5 a
POOv 320K 2104 | YZTITEAN Pw-4t °
172 0102 uos6], a , BOARD .
Uo2e aoar { ae ° 200 400 600
R103 AC 300V ! =~ MAGNETIC FLUX DENSITY (GAUSS)
cre 220K ! 6
a
OB
7
oor F (WIRING SID
-3| .
[3-3]
VOLTAGE SELECTOR |
(WIRING SIDE)
400V 1-9,2-4
120V 3-9,4-6
220V 7-9,2-8
240V 5-9, 6-8
A eat
cB 103 t
3154 250V
PLi 2
POWER € )
6V 35ma 8
' Q10lesc756E CNIO5.. |. CNS.
I
=
EXCESS
VOLTAGE
DET
&
OUPUT
KILLER
|
NOTE (1).%:R106 180-220 [S/N.10751 ~(uUsc) (2). K:R221. 750-—1K S/N. ( U/C 110851 ~ (3). ¥ 1: Q209~ Q212 (4).¥2: C201 ULN3006T —» ULN3006T-W
S/N. 10481 ~ (J) J 110481 ~ 28C2023 —*28C2542 l
S/N.
10551
~
(AEP)
0781S
usenier
REGS.
TERNS
=e
OLIN
WHEN
IC201
IS
REPLACED
FROM
ULN3006T
;
ie
s/n4
gs
to7at
asti8
=
(ULE)
TO
ULN3OO6T
-W,
THE
NUMBER
OF
TURN
The
shaded
and
A\-marked
components
are
critical
AEP: 11701 ~ S/N. 411081 ~ (J) ON L206 SHOULD BE DECREASED FROM
42171 ~ (AEP) 14_TO 6 TURNS. to safety.
Replace only with same component as specified