Marantz SR-12S1 Service Manual page 20

P604 2/2
JU80
LGA6502-0150
1 1
QU80 2SA970 2
GND
RU80 68 1/4W RU84
3 2 1 3
C E
2.2 1/4W
DU80 +5V
RU81 CU80
3 1SS301
2 10K 0.1 B
RU82
RU83
22K RN2303
6.8K
5 1 QU82
GNDGND 2
3
QU81
6 RN1303 RU85 3
22k
1
2
RU86
DUMMY
GND GND
1
QU83 2AS970 2
RU87 68 1/4W RU91
2 1 3
E
C
2.2 1/4W
DU81 +5V
RU88 CU81 1SS301
B 3
10K 0.1
RU89
RU90
6.8K 22K RN2303
QU85
GND GND 1
2
3
QU84
RN1303
3
RU92
22k
1
2
RU93
DUMMY
GND GND
+5VL +5VL
RU09 1.2k
RU10 1k
LGY6501-0600 RU94
JU82 2.2 1/4W
2 RU11 4.7k
IR out 4 RU12 1.2k
RU95 220
1
GND GND
2
3
QU86
RN1303
1
GND
RU76 CU18
0 47uF/16V
to FRONT PCB
JU04
LU54
1 GND
_RSTFL
RU78 0
2
+5VLED
LU28
3
STANDBY
LU29
4
_WRIT
5 LU30 SEL+
SEL+
LU31
6 SEL-
SEL-
LU32
7 KEY0
KEY0
LU33
8 KEY1
KEY1
LU34
9 KEY2
KEY2
LU35 KEY3
10
KEY3
LU36
11
RC6STAT
+5VL
LU37
12 _CEFLD
_CEFLD
LU38
13 SIOCLK
SIOCLK
LU39
14 SIODATA
SIODATA
LU40 _RSFL
15
_RSFL
LU41
16
RCOUT
LU42
17 VOL+
VOL+
18 LU43 VOL-
VOL-
LU44
19 GYRO+
GTRO+
LU45
20 GYRO-
GYRO-
21
+5VL
22
GND RU77
0
23
+5VD
CU19
47uF/16V
GND GND
JU50 D-SUB9P
NC 1
DTR 6
LU50
TXD 2
LU51
CTS 7
LU52
RXD 3
LU53
RTS 8
4
DSR
NC 9
GND 5
RU59
DUMMY
+5VL
EARTH GND
2P RCA
JU62
1
RN2303
RU61 220
1 QU63
RN1303
QU60 2 3
Multi- 3
3 3
2
Remote 2 QU61
RN2303
RU60 47
4 1
CU60 0.1 2
GND
RU67 220 3
5
CU61 CU62
+5VL
load(0) 0.1
1
GND
QU62
RU63
RN1303
18K
GND
2P RCA
QU69
JU61 PC817
1 3
3
RC-5 QU65
RN2303
2
IN/OUT
4
5
GND
RU64 220
CU64
load(0)
GND
29
+5VL +5VL +5VL
RU17
4.7K
1
PST600D
QU02
1 3
3
2 2
QU03
RN2303
GND GND GND GND
5MHz
GND
1M XU01
RU29
+5VL +5VL +5VL +3.3L +3.3L
+5VL
HS8/2633
QU01
GND GND
GND
GND GND
102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
KEY0 103
KEY0
KEY1 104
KEY1
KEY2 105
KEY2
KEY3 106
KEY3
PROTECT 107
PROTECT
108
MODE1
109
MODE2
GYRO+ 110
GYRO+
GYRO- 111
GYRO-
VOL+ 112
VOL+
VOL- 113
VOL-
SEL+ 114
SEL+
SEL- 115
SEL-
+5VL
_HPDET 116
_HPDET
AVSSDET 117
AVSSDET
118
MRC5I
119
Vss
120
_STCYLED
_RSFL 121
_RSFL
_CEFLD 122
_CEFLD
_BPOSD 123
_BPOSD
_CEOSD 124
_CEOSD
SIOCLK S 125
SIOCLK
SIOCLK 126
D_A
SIODATA S 127
SIODATA
SIODATA 128
MD0
GND 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
GND GND
+5VL
+5VL +5VL +3.3L
RU30 DUMMY
GND
RU31 22K
RU32 22K
GND
GND
DUMMY
RU34
+5VL
QU50
HIN202E
CU50
CU52 0.1
1 16 0.1
C1+ Vcc CU51
CU53 0.1
2 15 47uF/16V
V+ GND
3 14
C1- T1out
4 13
CU54 C2+ R1in
0.1
5 12
C2- R1out
CU55 0.1
6 11
V- T1in
7 10
T2out T2in
8 9
R2in R2out
GND GND
+5VL
PQ30RV11
1
QU41 1.2K 1.2K
1 2 RU43 RU41
3 4
2
CU45
CU43 CU44
47uF/16V
2 0.1 0.1
3
RU42
390
QU68 1 GND GND GND GND GND
RN2303
+5VL
2AS970 QU43
+5VL
1 2
1
E C
1
3 B CU47
2 3 CU46
47uF/16V
0.1
3 RU44
2
2.2K
QU67
RN2303 2
2
3
1 GND GND
QU66 RN1303
RN1303 RU66
QU42
47K
GND 1
GND GND
RU65 47K
GND
+5VL SU01
Tact SW(DUMMY)
JU01
JTAG 20P(DUMMY)
1 2
1 2 3 4
GND
5 6
13
7 8
12
9 10
RU14
12K 11 12
2
3 13 14
10
GND
15 16
9
1 17 18
19 20
QU05
RN1303 GND
GND
4
5
R693
22K
+5VL +5VL +5VL
+3.3L
+5VL GND
CU26
0.1
GND
47uF/16V
CU07
IICCLK
64
IICDATA
63 BTMODE3
BTMODE3
+5VL
62 QU70
Vss CU06
AT24C08
0.1
61
_PROTECT2
1
A0
60
Vccio 2
DUMMY A1
59
_RSTFL
3
A2
58 RU16
PEAK
4
GND
57 EMADU7
EMADU7
56 EMADU6
EMADU6
GND
55 EMADU5
EMADU5
+5V
54 EMADU4
EMADU4
53 EMADU3 QU71
EMADU3
PCF8574
52 EMADU2
EMADU2 1
A0
51 EMADU1
EMADU1
2
A1
50
Vccio
3
A2
49 EMADU0
EMADU0
4
48 CU05 0.1 47K P0
Vss
RU15 5
P1
47 DUMMY
_STANDBY RU19 6
GND P2
46
KILLSCL
7
45 _XMODE P3
_XMODE
8
Vss
44 XSTATE
XSTATE
43 DATAIDIR
DATAIDIR
GND
42 _CEDIR
_CEDIR
41 CLKDIR
CLKDIR
40 DATAODIR
DATAODIR
39
IIC Address
_ADCAL
MSB
L L L
L L L
GND
L L L
L H L
L H L
ERF
H L H
GND
RU37 22K
GND
+5VL
SU03 DIP SW(DUMMY)
RU72 0
RU73 DUMMY
RU74 0
RU75 0
GND
+5VL
RU22
1K
+3.3V
CU21 6 5 4
0.1
SU02
QU20 74VHC00 SPUN
14
11
GND
12 3 2 1
_EMOE1
11
GND
7 13
QU21
QU20 74VHC00
74VHC125
GND
8
+5VL
10
9 8
_EMWR1
QU21
74VHC125
2 3
_EMOE2
QU20 74VHC00
QU21
1
6 74VHC125
4
5 6
_EMWR 2
+5VL
QU21
74VHC125
GND
CAL
PEAK
_RSTDSP1
_RSTDSP 1
_RSTDSP2
_RSTDSP 2
REQ1
REQ1
REQ2
REQ2
EMADU0
EMADU0
EMADU1
EMADU1
EMADU2
EMADU2
EMADU3
EMADU3
EMADU4
EMADU4
EMADU5
EMADU5
EMADU6
EMADU6
EMADU7
EMADU7
BTMODE1
+5VL BTMODE1
BTMODE2
BTMODE2
BTMODE3
+5VL
CU70 BTMODE3
0.1
8 FRWE 1
Vcc FRWE
7 RU71 FROE 2
WP FROE
22K
6 FREXTMEM 3
SCL
FREXTMEM
5 DU01
SDA D_A
1SS301
GND
_BHIGH LU46
+5V
LU47
PROTECT
LU48
AVSSDET
CU71
16 0.1 LU49
Vcc
15
SDA GND IICDATA1
14
SCL IICCLK1
13
_INT 0.1 47uF/16V
2
12 CU41 CU42
P7 FRPG0
11
LU81
P6 FRPG1
10
P5 FRPG2
GND GND
9
P4 FRPG3
0.1 47uF/16V
CU31 CU32 2
LU82
47uF/16V 2
GND
_MLR
CU33 CU34
LU83
0.1
_ADDF
2
_XMODE GND 47uF/16V
_XMODE
XSTATE CU35 CU36 LU84
LSB notes XSTATE 0.1
L L L L DSP initialize DATAIDIR 47uF/16V 2
DATAIDIR GND
L L L H CS49329
CU38 LU85
_CEDIR
L L H L CS49330 _CEDIR
CU37 0.1
L L L L IIC Expander 1 CLKDIR
GND
CLKDIR
L L L H IIC Expander 2
LU01
DATAODIR
L H * * EEPROM DATAODIR
MUTE
ERF SIOCLK LU02
ERF
LU03
SIODATA
LU04
STANDBY
_UMUTE
LU05
_ADCAL
LU06
_CEEXP
_RSTDAC
_CLK LU07
DFS
LU08
_Data
_SMUTE
LU09
47uF/25 V
CU40 1
2
LU86
3
GND GND GND
CU39
0.1
+5VL
LU10
RDSDATA
LU11
CERDS
TUST LU12
LU13
SD
LU14
DATAITU
LU15
CETU
LU16
CLKTU
DATAOTU LU17
LU18
_CEOSD
LU19
_BPOSD
LU20
TPU1
LU21
_HPDET
LU22
LU23
LU24
_SPKOFF
CE_VOL-M LU25
LU26
CE_VOL
LU27
CE_ASW
GND
30
GND
JU05
1
_BHIGH
2
PROTECT
3
AVSSDET
4
PROTECT2
1
3
19PS-JE
JU02
GND
1
+2.5VA
1 2
+2.5VB
3 3
GND
1 4
+3.3V
3 5
GND
1
6
+5VD
3 7
GND
1 8
+5VL
3 9
GND
10
+15V
11
MUTE
12
SIOCLK
13
SIODATA
14
_STANDBY
15
_PDOW N
16
_CEEXP
17
_CLK
18
_Data
19
VSYNC
19PS-JE
JU03
1
RDSDATA
2
CERDS
3
TUST
4
SD
5
DATAITU
6
CETU
7
CLKTU
8
DATAOTU
9
_CEOSD
10
_BPOSD
11
TESTPOINT
12
_HPDE T
13
_RSTFL
14
KILLSCL
15
_SPKOFF
16
CE_VOL-M
17
CE_VOL
18
CE_ASW
19
GND