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2
A
B
C
D
E
F
G
H
I
J
1
3
4
5
7
RX-V557/HTR-5850/DSP-AX557
RX-V457/HTR-5840/DSP-AX457
6
64
■
PRINTED CIRCUIT BOARD (Foil side)
Lead Free Solder Used
MAIN (1) P.C.B. (Side A)
PRI
PR
V
PRD
PLDET
THM
LC
POWER (1)
(CB355)
POWER (1)
(CB352)
SUBTRANS (2)
(CB453)
PR
V
THM
PRD
SBR-PRI
POWER (1)
(CB353)
-BV
E
VSBR
NFSBR
VFL
NFFL
VSL
NFSL
+BV
-12AMP
VC
NFC
VFR
NFFR
VSR
NFSR
POWER (1)
(CB359)
BE
MAIN (2)
(W2B)
E
E
E
SR
MAIN (2)
(W4B)
R210
SL
MAIN (2)
(W3B)
FL
MAIN (2)
(W1B)
SBR
MAIN (2)
(W5B)
C
MAIN (2)
(W6B)
E
MAIN (2)
(W11B)
-B
MAIN (2)
(W9D)
+B
MAIN (2)
(W9C)
Circuit No.
J, U, C, R, T, A K, B, G, L, E
C130, 131, 134-141
X
O
TE120, 121
X
O
X : NOT USED / O : USED
• Semiconductor Location
Ref. No.
Location
Q12
E6
Q13
E5
Q15
I4
Q16A
G6
Q16C
H6
Q18A
C6
Q18C
D6
Q20A
I6
Q20C
I6
Q22A
B6
Q22C
B6
Q24A
F6
Q24C
G6
Q26A
E6
Q26C
E6
Q28
H5
Q29
D4
Q30
I4
Q31
B4
Q32
G5
Q33
E4
Q34
H4
Q35
G4
Q251
B3
Q252
C3
Q253
C3
Q254
B3
Q256
H5
Q257
D5
Q258
I5
Q259
B5
Q260
G5
Q261
E5
Q262
G5
Q263
C5
Q264
I5
Q265
B5
Q266
F5
Q267
D5
Ref. No.
Location
D2
B3
D3
G5
D4
G5
D5
C5
D6
C5
D7
B4
D8
B4
D9
F5
D10
F4
D11
E5
D12
E5
D13
I4
D14
I4
D15
H5
D16
D5
D17
I4
D18
B5
D19
G5
D20
E5
D22
H3
D23
I4
D24
D4
D25
C4
D26
G4
D27
E4
D251
B3
D252
C3
D253
G5
D254
C5
Q1
C3
Q2
B3
Q3
H6
Q4
G5
Q5
D6
Q6
C5
Q7
I6
Q8
B6
Q9
B5
Q10
F6
Q11
F5