Cambridge Audio 540R V2.0 Service Manual page 40

33
ALE/PROG#
32
PSEN# IC11
31
P2.7
30
P2.6
29
SM5964C40J(PLCC44)
P2.5
28
P2.4
27
P2.3
26
P2.2
25
P2.1
24
P2.0
1
2
2 4
SDA Q1 3
1 5 4
STR Q2
5
3 6
CLK Q3 6
7 7
15 Q4
OE
14
16 Q5
VDD
13
Q6
12
Q7
8 11
VSS Q8
10 9
CS QS
20
VCC
19
Q1
18
Q2
17
Q3
16
Q4
15
Q5
14
Q6
13
Q7
12
Q8
3 11
A15 CLK
2 1
A16 VPP
30 31
A17 PGM
16
GND
24
OE
21 27
Q7 A8
20 26
Q6 A9
19 23
Q5 A10
18 25
Q4 A11
17 4
Q3 A12
15 28
Q2 A13
14 29
Q1 A14
13
Q0 22
CE
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Cambridge Audio Azur 540R V2.0 AV Receiver
IC18
LD1117S3.3(SOT-223)
37
2 3 38
V OUT V IN
6
18
4
17
1
DNU
16
2
P1.0
15
3
P1.1
A0 14
VCC
4
1 8
P1.2
WP
A1
11
5 2 7
P1.3
A2 SCL
3 6 10
6
P1.4 DGND SDA
4 5
9
7
P1.5
8
8 IC12
P1.6
21
9
P1.7
5
10
RESET
20
36
19
7
IC10
14
IA VCC
13
QA IF
12
33
IB QF
11 AGND
QB IE
10
IC QE
9
QC ID
8
GND QD
6.1CH
SELECT
26
DSP-FR
27
DSP-FL
28
DSP-C
29
DSP-SR
1
OE
30
DSP-SL
2
D1
31
DSP-CB
3
D2
32
DSP-SW
4
D3
5
D4
15
6
DVD-FR
D5
16
7
DVD-FL
D6
17
8
DVD-C
D7
18
9
DVD-SR
D8
19
10
DVD-SL
GND
20
DVD-CB
21
DVD-SW
36
AGND
22
AGND
74
A-R I/O
75
A-L I/O
76
TAPE-RO
77
TAPE-LO
78
INPUT
VIDEO-RO
79
SELECT
VIDEO-LO
73
AGND
80
AGND
IC Pin Layout Details (2 of 2)
DD FLT2
DC CLKSEL
SCDIN_A1 FLT1
SC
IC8
WR_DS_EMWR_GPIO10
CS493263-CL
EMAD0_DATA0_GPIO0 MCLK
EMAD1_DATA1_GPIO1 SCLK
EMAD2_DATA2_GPIO2 STCCLK_SCLKN1
EMAD3_DATA3_GPIO3 DSP CMPCLK_SCLKN2
EMAD4_DATA4_GPIO4 LRCLK
EMAD5_DATA5_GPIO5 LRCLKN1
EMAD6_DATA6_GPIO6 CMPREQ_LRCLKN2
EMAD7_DATA7_GPIO7 SDATAN1
EXTMEM_GPIO8 CMPDAT_RCV958_SDATAN2
RD_R/W_EMOE_GPIO11
INTREQ_ABOOT AUDATA0
RESET AUDATA1
SCDIO_SCDOUT_PSEL_GPIO9 AUDATA2
SCCLK_A0 XMT958_AUDATA3
IC17
BD3816K1
ING SW
VOL
DA/AD
32
31
33
55
RMCK
61
44 SAI_SCLK
60
43 SAI_LRCK
54
25 SAI_SDOUT
28
2
42 CX_SCLK
3
26 CX_LRCK
56
29 CX_SDOUT
1
22 CX_SDIN1
64
27 CX_SDIN2
63
CX_SDIN3
62
CX_SDIN4
59
41 OMCK
40
12
39 RESET
7
3 SCL/CCLK
8
SDA/CDOUT
11
INT
9
AD1/CDIN
10
AD0/CS
60 6
TRE2 VLC
TREBLE 59
TRE1
58
BAS4
57
BAS3
BASS
56
BAS2
55 50
BAS1 TXP
49
RXP0
48
RXP1_GPO1
47
RXP2_GPO2
61 46
AGND RXP3_GPO3
45
RXP4_GPO4
44
RXP5_GPO5
54
FR-O
43
RXP6_GPO6
42
RXP7_GPO7
53
FL-O
38
MUTEC
52
AGND
57
ADCIN2
58
ADCIN1
51
C-O
50
SR-O
49
SL-O
48
CB-O
47
AGND
46
SW-O
LOGIC
45
AGND
36
AOUTA1+
37
AOUTA1-
35
AOUTB1+
34
AOUTB1-
32
AOUTA2+
33
AOUTA2-
31
AOUTB2+
30
AOUTB2-
28
AOUTA3+
29
AOUTA3-
27
AOUTB3+
26
AOUTB3-
22
AOUTA4+
23
AOUTA4-
21
AOUTB4+
20
AOUTB4-
15
AINL+
16
AINL-
14
AINR+
13
AINR-
17
VQ
18
FILT+
19
REF GND
39
LPFLT
25
AGND
40
AGND
40