Printed Circuit Board - Yamaha RX-V550 Service Manual

A B
I PRINTED CIRCUIT BOARD (Foil side)
1
DSP P. C. B. (Lead Type Device)
Except DSP-AX450
2
14
3
8
1
5
1
5
4
FUNCTION (2)
1 7
/INTDSP
/INTFCT
14 8
VBIT
/ICY
/ICADM
/ICD
SDM
SDD
SCK
5
1
/CSDAC
20
/CSY
/CSADMADL
/CSDIR 11
10
E
L
6
R
C
SW
SBL
SBR
SL
SR
PL
PR
E
ADL
ADR
+12
-12
+5D2
+5D1
FUNCTION (1)
7
C D
DIGITAL
INPUT
COAXIAL OPTICAL
CD DTV/CBL DVD MD/CD-R
5 4 3 2
1
109 144 4
16 17
108
1
1
7
48
32
1
73 36
37
72 37
20 21
76 100
75 1
51 25
50 26
1
1 40
44
34
33
16
9 8
4 5
4 5
1 8
8 1
1 8
5 4
E F
DSP P. C. B. (Surface Mount Device)
DIGITAL
OUTPUT
RX-V550, HTR-5750,
DSP-AX450 only
MD/CD-R
1
RX-V450/HTR-5740/DSP-AX450
Circuit No.
R57
X: NOT USED
Except DSP-AX450
O: USED / APPLICABLE
14 1
8 7
5
8
1 12
13
24
36 25
11
12
22
23
4 5
1 8
G H I
• Semiconductor Location
Ref. no. Location
D1
D2
D3
D4
D5
D6
D7
D8
D9
D10
J U, C, A, B, G, E, L, R, T, K
X O D11
J
RX-V550/HTR-5750
RX-V450/HTR-5740/DSP-AX450
Ref. no. Location Ref. no. Location
I3 D12 D6 IC11 B4
I3 IC1 C3 IC12 B4
F3 IC2 E4 IC13 B3
G3 IC3 E3 IC14 D5
F4 IC4 E3 IC16 E5
F4 IC5 D3 IC18 C6
F4 IC6 C3 IC19 D6
G4 IC7 D4 IC20 E6
C6 IC8 C4 IC21 E6
C6 IC10 B5 IC22 B4
D6
RX-V550, HTR-5750,
DSP-AX450 only
53