Marantz PMD670/W1B Service Manual page 26

P001-2/3 AUDIO I/O PCB
Rch JA03
NC3FAH2
MIC/LINE INPUT
1
2 HOT
3 COLD
RA77 0
4
CA50
RA79 0
DM
GND
RA76 0
JA02
NC3FAH2
1
2 HOT
RA78 0
3 COLD
Lch
4
MIC/LINE INPUT
RA99 RA98
CA49
0 0
DM
GND
RA29
CA12 47(1/10W)
1
Lch Invert
2
2
10u/63V
GND
3
Lch Normal
RA75 RA17
4
Rch Invert 10k
6k8 1/10W 3
5
GND 1
6
Rch Normal
+48V
JA01
B6B-PH-SM3
46 2
2
GND RA24
220k
GND
RA27 3
GND
10k
1
RA72
6k8 1/10W
CA14
2
10u/63V RA31
47(1/10W)
RA30
CA13 47(1/10W)
2
10u/63V
RA73
6k8 1/10W RA26
3
10k
1
+48V
46 2
2
RA25
220k
GND
3
GND RA28
10k
1
RA74
6k8 1/10W
CA15
2
RA32
10u/63V
47(1/10W)
33
+7V
RA01
JA04
10k
B6B-PH-SM3
RA02
6
Rch Normal 2k2
5
GND CA01
Int.MIC 10/10V
4
Rch Invert
JA05
KUC21
3 B2B-PH-SM3
Lch Normal
GND
1
2
GND MS01
2
1
Lch Invert
CA02 100n
GND
GND
RA45
10k
CA24
+7V
6.8
6
DA01
RA20
02CZ6.3
Mic/Line_A
220k CA20
1 RA33
220k QA01
10/10V 5
3
4
Y3 RA53
DA03
2
180
Y2
02CZ6.3
5
RA21 RA41 GND
Y1
1 3
27k 22k
Y0 Y
CA45
RA37
GND 100p
11
220k
RA18 X3
DA05
27k 15
X2 GND
RA48
02CZ6.3 14
X1 CA22 10/10V
+7V
12 13 10k
X0 X
1 GND
RA39 CA27
RA35 GND
9
B
220k
3 220k
10 16
A Vcc
DA07 CA16
2
GND
RA16
02CZ6.3
8 100n
220k
GND
6
INH CA18
7
VEE 100n
RA43 CA47
3 4
74HC4052 GND
22k 100p
GND
-7.2
-7V
RA54
180
-7V
GND
RA47
For PHANTOM MUTE and Attenation(-20dB)
10k
CA26 47p
DA02
02CZ6.3 RA19 +7V
220k CA32
RA34 QA02
1
100n
74HC4052 6.8
220k
6
3
4
Y3 8
2
DA04
Y2
5
02CZ6.3 RA22
Y1 CA21 10/10V
27k 1 3
Y0 Y
RA38 QA04
5
GND 11 220k NJM2068
RA42 RA55
X3
RA23
DA06 15 22k 180
27k
X2 GND
02CZ6.3 14
X1 CA23 10/10V
GND
12 13 +7V
X0 X
1 CA46
RA40
100p
RA36 GND 9 220k
B
3 220k
10 16
A Vcc
DA08 CA17
GND
02CZ6.3 RA15
8 100n
GND
220k RA50
6
INH CA19
GND
7
VEE 100n 10k
CA29
GND
GND
47p
+7V +7V 2
-7V
RA71 RA70
4
10k 10k 3
CA35
RA56
-7.2
180
100n
QA10
DTC114EU
GND
2 -7V
3
1
GND
DM:Dummy
PM01-7/10
MAIN PCB
+7V RA06 100k
CA04 47p
CA05
100n
CA03 RA14 6 8
GND
CA06 10/10V RA69
10/10V 100
RA05
RA46 470
RA04 7
10k
QA07
10k
5 NJM2068
RA08
100k
CA25 47p
GND
RA07
4k7
+7V
RA03
10
GND
CA31
100n GND
RA67 4k7
GND
6
8
GND
CA40 47p
7
QA07
QA05 2
RA58
5 NJM2068
NJM2068
CA07
1
4k7
CA38
DM
RA49 RA62
RA51
4 RA09
2k2 4k7
10k 3
CA44 100k
CA28 47p
RA65
4k7 100n
GND
2 GND
47p
1 -7V
GND
CA30
QA05
100n CA33
NJM2068
3 4
100n
8
GND
GND
RA52
2k2
7 -7V
QA03
NJM2068
GND
RA66 4k7
CA39 47p
+7V
CA42
100n
6
47p RA57
8
GND
CA08
4k7
CA36
DM
RA60 7
10/10V
1 QA06 RA10
4k7 100k
5 NJM2068
RA63
QA03
CA34 4k7
NJM2068
100n
GND GND
GND
GND
7
RA68 4k7
CA41 47p
2
RA59
1 CA09
4k7
CA37
DM
RA61
QA06 10/10V
4 NJM2068 RA11
4k7 100k
3
CA43
RA64
4k7 100n
GND
GND
-7V
GND
1
L ch
QA04 R ch
NJM2068
GND
1k
QA13
DTC323TU
2
3
H:MUTE ON
INTMIC_MUTE
1
GND
Dual Level Mono
Int/Mic
QA08
10/10V
4
Y3
2
Y2
5
Y1
1 3
Y0 Y MIC_L
11
X3 +7V
TO PM01-8/10
GND 15
X2
14
X1
12 13
X0 X MIC_R
9
B
10 16
A Vcc
CA10
100n
8
GND
6 CA11
INH
7
100n
VEE
GND
GND 74HC4052
-7V
IN
10Pin 9Pin OUT (X,Y)
X0,Y0 INT MIC
L
L
H L
X1,Y1 STEREO
H
L
X2,Y2 DUAL MONO
H X3,Y3 NOT USE
H
+7V
RA13 RA12
100k 100k
QA11
DTC114EU
2
3
INT/EXT (CPU)
1
GND
QA12
DTC114EU
2
3
DUAL_MONO (CPU)
1
GND
PHANTOM_MUTE (CPU)
ATT_20
(LID SW)
34