Marantz SA-14, Service Manual

Page: 30 / 45

2-7 2-8
DISPLAY
MMUTE
FL801
20MHz
TO MAIN
39
EXPC1
34 43 31
EXPC4
EXPBL3 EXPBU0
EXPPAU0
EXPBL1
EXPPAL3
EXPBL2 EXPBL0
30 29 22 21
CNP902
11
10
9
8
7
6
5
4
3
2
1
RXDA
DACRST
D_GND
EXTDI
EXTST
EXTDO
EXTCK
VOLCS
DSDCTL
DACDT
DACCK
D7 ~ D0
IC801
SYSTEM
MICROCOMPUTER
IX1478GE
ECC_CS ECCINT
SBGN SREQ SDCK SERR SENB SD7 0
7
IC802
IX1535GE
INPUT/OUTPUT
EXPANDER
DVD_L
GAIN0
GAIN1
GAIN2
SEEK
RST0_1
D15 8
A1,A0
WR
RD
RFLT
SBSY
BUS3
BUCK
SBCS
EMPH
BUS0
TE
FE
RFRP
SRV_AD
CLK
VIN
DATA
PCLK
WARF
69
68 67
XOE
XRAS
XCAS
XWE
81 WRFD
80 WCK
WAD7
WAD0
89
82
12
3
98 91
SD0 SD7
100
99
5 2 1
17 50 49 48 47 46
XSAK SDEF SDCK XSRQ DSAR DSAL EXCK01 ZDFLGR ZDFLGL BCKA XSHD
13
6
XRST
SMUTE
MCKI 14
9
10
11
MSCK
MSDATI
MSDATO
XMSREDY
XMSLAT
7
8
A0
66 70 ~ 77
51 , 52 , 55 63
6 , 7 , 22 , 23 5 , 24
IC902
A/D CONVERTER
ADC08351
4
IC803
RESET
PST9129N
EMPH
CDDAT
CDFRM CDERR
CDCLK
CLK1 33MHz
D_GND
TO MAIN TO MAIN TO MAIN
ZFLGL
BCKA
5
CNP905
8
DSAL
ZFLGR
D_GND
DSAR
D_GND
CNP906
12
11
10 9
D_GND
SA/CD
AMUTE
EMPH
MCKI
D_GND
256FS
CDFRM
CDCLK
CDDAT
CNP901
D_GND
DOUT
D5V
RXDA
RXDCTL
IC901
CXD2751Q
SACD PLAYBACK
SIGNAL
PROCESSOR
IC903
16Mbit SDRAM
IX2840AF
D_GND
AT5V
D_GND
FIL
AT-30V
FIL
KEY2
FIP_DA
DISPLAY
R/C
FIP_CK FIP_CS
KEY1 AT5V
TO DISPLAY
CNP903
13
TO POWER
A_5V
FIL(+)
AT5V
FIL(-)
AT8V
AT-30V
M_GND
A_GND D_GND
D3.3V(H)
D3.3V(L)
D5V
VM
/RP
12
26
28
/CE
/OE
IC805
IX1539GE
FLASH ROM (4M)
8 , 16 24 , 25 , 28
A18 ~ A0
11
29 36 , 38 45
WR
D0 ~ D16
IC804
1Mbit SRAM
IX2839AF
13 15 , 17 21
I/O1 ~ I/O3 I/O4 ~ I/O8
A16 ~ A0
12 , 23 , 25
CE1
29
24
22
R/W
OE
53 BUFD0
EXPPAU2
61
26
55
BUFC0
SBUFB0
24
HADR
47 46 44 38 45
EXPD0 EXPC0 EXPD2 EXPC5 EXPD1
HDATA7
6 5
HRD
8 15
HWR HCS
EXPPAU3
BUFD1
27
58
56
SBUFAI
SBUFAO
SBUFB1
59
54
57
CHOP
LD_RVS
OFTRK LD_SW
EJ_SW IN_SW
LD_FWD
DFCT
48
39
34
D0 ~ D3
D4 ~D11
D12~D15
16
7
2
A0 ~A3
A4~A11
A12~A23
117
31
MSDATO
91
SMUTE
ECCINT
ECC_CS
XMSREDY
66
89
90
XMSLA
MSCK
MSDATI
KEY1
32
26
S/E_CS
R/C
S/E_DA
JOG1
JOG2
95
87
57
KEY2
S/E_CK
67
86
96
66 63 68 29 69 70 71
IN_SW EJ_SW LD_SW DFCT LD_RVS LD_FWD CHOP OFTRK
105
120
65
HWR RD AV_INT
30
EXP_CS FROM_CS SRAM_CS
60 118 83 84 73
RST
112
108
106
EMPH 64
SBCS
BUCK
BUS3
107
109
28
RFLT
SRV_AD
RFRP
FE
TE
UART_CTL
UART_RXD
102
101
100
99
58
56
78
77
EXTAL
XTAL
CNP904
5 ~
~
~
14
23
~
~
~
~
~ ~
37
46
51
RESET
BUS0
~
~
88
SBSY
~
~
~
9
21 13 , 16 ~ ~
~
~ ~ 27 2
12
17
~ ~ ~ ~
~ ~
~ ~
2 , 26, 27 , 28
1
28
MRST
~
~
~
7 6
4 3 2 1 4
1 2 3
5 4
1 2 3
5 6 7 8 12 11 10 9 4 1 2 3 5 6 7 8 13 12 11 10 9 4 1 2 3 5 6 7 8 14
92
HDAT0
A10 A11,A9,A8,A13
A1 A2~ A10
D0
D7