Marantz PM-10 Service Manual page 23

SCH14_SPK
+HV_L.
3.3V
R9553
D-GND.
10K
R9512
KRC102S
Q9541
100K
KTA1504S
Q9506
KRC102S
R9541
220K
D-GND.
R9515
100K
Q9507
KRC102S
R9519 Q9508
KRC102S
2.2K
D-GND.
D-GND.
Q9514
KRC102S
D-GND.
R9566
100K
3.3V
U9561
LM319_SOP-14
1 NC
2
NC
3
GND3
4
I N 1+
C9561 R9561
I O UT_L.
5 I N 1-
10/16 47K
6
V-
7
OUT2
D-GND.
R9567
470K
R9576
100K
3.3V
U9571
LM319_SOP-14
1
NC
2
NC
3 GND3
4
I N 1+
C9571 R9571
I O UT_R.
5
I N 1-
10/16 47K
6
V-
7 OUT2
D-GND.
R9577
470K
GND LINE POWER+ LINE POWER- LINE Rch SIGNAL
-HV_L.
3.3V
R9551
D-GND.
10K Q9544
-HV_R. +HV_R.
KRC102S
Q9542
Q9543
KTA1504S
R9552
220K
D-GND.
D-GND.
R9520 R9523
100K 100K
Q9512
KRC102S
KRC102S
3.3V
FATAL
Normal :+18V
Q9509
Abnormal : 0V
KRA104S
3.3V
D-GND.
Q9511
KRC102S
D-GND.
-12.3V
+12V -12V
R9586
100K
D-GND. D-GND.
+12V
3.3V
U9581
+HV_L.
LM319_SOP-14
14
NC 1 NC
13 2
NC NC
DET
12 3
OUT1 GND3
11 4
V+ I N 1+
10
I N 2- 5 I N 1-
9 6
I N 2+ V-
8 7
GND8 OUT2
R9587
R9554/R9556 D-GND. 180K
F : 390
Other: 0
-12V
+12V
R9596
100K
D-GND.
+12V
D-GND. U9591
+HV_R.
3.3V LM319_SOP-14
1
NC
14 2
NC NC
13 3
NC GND3
12
OUT1 4 I N 1+
11 5
V+ I N 1-
10 6
I N 2- V-
9 7
I N 2+ OUT2
GND8 8
R9597
D-GND. 180K
R9555/R9557
F : 390
Other: 0
Lch SIGNAL STBY POWER
N9505
DET
SPK UNIT
8U-310221-3
3.3V
Z9005 Z9009
DC OFFSET DET
L(+)
W017
Q9513 5
S9512
7 3
Z9006 Z9010
8 4
D-GND.
6
L(-)
W021
Z9007 Z9011
R(-)
W022
5
S9513
7 3
Z9008 Z9012
8 4
R(+) 6
W018
DC OFFSET DET
0V:NORMAL
N9506
From POWER PWB N9506
4P-EH(I M )
N8104
+12V
1
+12V
+12.1V
2
D-GND
D-GND 3
+12V
-12V
4 D-GND.
-12V
TO N8104
Z9504
STYLE-PIN
50mm
D-GND.
-HV_L. -12V
14
NC
Measurement condition
13
NC
DET
12
OUT1
・ Voltage measurement
11
V+
10
I N 2-
No signal
9
I N 2+
8
GND8
・ Waveform measurement
INPUT: 500mVrms/1KHz(CD)
VOLUME: -24.5dB
+12V
OUTPUT: 1W at 8ohms
D-GND.
-HV_R. -12V
14
NC
13
NC
DET
12
OUT1
11
V+
10
I N 2-
9
I N 2+
8
GND8
23
From UCOM PWB
N1004
TO N1004
Z9502 Z9503
STYLE-PIN STYLE-PIN
3.3V
C9523
I O UT_L.
OPEN I O UT_R.
FATAL
Normal : 0V
D9522
DC det e ct : 3.3V
1SS133
KTC3875S KTC3875S
D-GND. Q9519 Q9520
0V:NORMAL
R9506
33K R9543
10(1W)
10K
R9544
R9548
6 KTC3875S
KTC3875S
10(1W) 0V:NORMAL Q9502 Q9504
4 8
R9505
S9511
33K
D-GND.
10(1W)
5
R9546
3 7
R9547
S9511
10(1W) D-GND.
KTC3875S KTC3875S
Q9501 Q9503
0V:NORMAL B9501
C9511
OPEN
0.01
C9509
Z9501
GND-TERMI N AL
0.1Z
5
3 7
D-GND.
S9514
KTC3875S
KTC3875S
0V:NORMAL Q9505 Q9527
6
4 8
S9514
N9504
N9504
12P-PH
IOUT_L.
1 IOUT_L
2 IOUT_R
3 AMPON
4 CLIP
5 READY
6 SCCPIND
7 FATAL
+HV_L.
+HV_L.
8 +HV_L
-HV_L.
9 -HV_L
+HV_R.
+HV_R.
10 +HV_R
-HV_R.
11 -HV_R
TO N6001
12 D_GND
D-GND.
N9503
N9503
3P-PH
1 +24VLC
2 D_GND
3 PROTECT1
From FCBS PWB
D-GND.
N1904
TO N1904
INNER_GND1