Service manual
ABCDEFGH I J
1
2
3
4
5
6
7
A-S700
43
CB257
CB255
CB256
CB253
CB254
CB252
IC252
CB258
IC251
IC253
CB271
CB252
CB294
CB293
W291B
W291A
CB291
CB292
W295A
W295B
CB281
CB285
CB282
CB284
CB283
(Side A)(Side A)MAIN (2) P.C.B.
(Side A)(Side A)MAIN (4) P.C.B. (Side A)(Side A)MAIN (8) P.C.B.
(Side A)(Side A)MAIN (3) P.C.B. (Side A)(Side A)MAIN (5) P.C.B.
THML
HPL
HPRY
+LB
E
-LB
E
PRV
THMR
THML
MG
HPE
HPR
HPRY
FARY
PRI
/RES
PDET
PRY
THMR
PRV
FBRY
PRD
+5M
MG
S10
FUNCTION (2)
(CB605)
FL2
FL1
HPL
HPE
HPR
-VP
OPERATION (8)
(W811)
MAIN (1)
(CB132)
MAIN (1)
(CB128)
MAIN (5)
(W291A)(W291B)
WH
BE
POWER TRANSFORMER
FL2
FL1
S10
PRY
MG
PDET
+5M
/RES
PRDC
PRI
FBRY
FARY
PRV
-LB
E
E
+LB
-VP
MAIN (1)
(W104)
/RES
+5M
PDET
E
PRY
S10
SUBAC
SUBAC
S10
PRY
E
DET
+5M
SUBAC
SUBAC
S10
PRY
E
DET
+5M
WH
WH
BE
GY
RE
BE
OR
YE
VI
POWER TRANSFORMER
MAIN (5) (W291A)(W291B)
1
7
14
8
MAIN (8)
(W295A)(W295B)
POWER TRANSFORMER
POWER TRANSFORMER
AC IN
AC OUTLETS
VOLTAGE
SELECTOR
VOLTAGE SELECTOR
230-240V
220V
110 V
120V
1-2/5-6
2-3/6-7
3-4/7-8
4-5/8-1
U, G models
U, K models
U, R, T, K, A, B, L models
R, T, K, A, B, G, L, J models
R model
R, L models
L model
POINT B 1 / Pin5, 2 / Pin6 of CB272
1+5M
/RES
2
1+5M
/RES
2
POWER cable ON POWER cable OFF
POWER cable ON
1
2
B
Ref no. Location
D133
D3
D254
D4
D255
C3
D258
C4
D259
C3
D260
C4
D271
E3
D272
E3
D273
E3
• Semiconductor Location
Ref no. Location
D274
E3
D275
E3
IC251
C4
IC252
C3
IC253
D4
Q252
C4
Q254
C3
Q271
E3
Q272
E3