Printed Circuit Boards - Yamaha HTY-7040 Service Manual

A B
YSP-4000/YSP-40D/HTY-7040
1
I PRINTED CIRCUIT BOARDS
DSP P.C.B. (Side A)
2
CB1
3
1 12
48
IC3
37
36 25
4
5
6
7
66
C D
25 48
1
IC8
50
37
13
36
24 1
24
IC6
3 4
1 5
1
144
8 9 10 11
1 20
1 16
CB5
No replacement part available.
サービス部品供給なし
INPUT
(CB9)
E F
25
1
208
26
72
73
IC13
157
156
108
109
1 10
IC7
20 11
CB6
INPUT
(CB10)
G H
48 1
52
53
IC18
25 24
1 27
104 IC16
105
54 28
5
1
IC11
5 1
CB7
POWER (1)
(CB507)
I J
AGND
WFL_OUT
AGND
WFR_OUT
AGND
WF_MUTEN
D3_PROTN
DGND
TIBWCK
TIBBCK
DGND
TIBSDO_C
TIBSDO_S
TIBSDO_F
DGND
+3.3V
SDD
SDMB
SCKB
DGND
24MD
DGND
/DISABLE_Y
/IRQY1
/CSY1
/ICY
AGND
/IRQY2
/CSY2
DGND
AMP
(CB501)
• Semiconductor Location
Ref no. Location Ref no. Location
D7 H4 IC8 E3
IC1 D5 IC10 I4
IC2 D5 IC11 H5
IC3 B3 IC12 C3
IC5 D4 IC13 F3
IC6 C4 IC16 H4
IC7 G4 IC18 H3