Marantz NR1200, Руководство по обслуживанию, Страница: 27 / 144

SCH19 2CH AMP
STBY POWER ANALOG AUDIO DIGITAL AUDIO TMDS SIGNAL GND LINE POWER- LINE POWER+ LINE
FR
FL
-HI
G
HR
-HI
G
HB
H
IG
H
G
N
D
C
483
0
330
/6
.3
(6
.3
*11
)
C
483
4
O
PE
N
R
489
1
10
K
AGND
R4836
220
R4837
220
C4809
OPEN
OPEN
R4877
R4822
OPEN
10K
R4812
R4824
OPEN
100N-K
C4800
22K R4860
47K R4854
R4814 22K
R4810 47K
TR_THERMAL
ASO_DET
C4801
10N-K R4805
56K
NC
TP4801
AGND
R4881
390K
150
R4870
R4834
390K
150
R4825
R4882
33K
R4871
1K
R4835
33K
1K
R4826
R4888
1K2(1)
2200P-K
C4826
1K2(1)
R4841
2200P-K
C4811
R4887
270
Q4817
KSA992FATA
R4845
150
R4840
270
Q4807
KSA992FATA
R4802
150
150
R4800
R4878
3K3(1)
R4884
220
R4883
220
R4872
33K
220P-100V(PEF)
C4820
3K3(1)
R4831
R4827
33K
220P-100V(PEF)
C4805
R4889
68(1)
C4824
OPEN
R4842
68(1)
1
2
3
C
. W
.
VR
480
1
N
VZ
6T
H
T-
1K
R4833
560
R4819
2K7
1
2
3
C
. W
.
N
V
Z6
TH
T-1
K
V
R
480
0
22(1)
R4885
ZD4805
OPEN
D4806
OPEN
22(1)
R4857
OPEN
D4804
R4838
22(1)
OPEN
D4801
ZD4801
OPEN
OPEN
R4865
R4830
OPEN
KDS160
D4805
R4852
430K
R4820
15K
430K
R4809
R4867
OPEN
C4815
100N-K
22K R4858
R4816 22K
DC_DET4
R4853
100(1)
Q4811
KSA992FATA
R4847
33(1)
+H
IG
H
B
R4817
22K
PRE
G
N
D
BKT4800
R4893
0
R4868
OPEN
R4873
OPEN
FL
FR
R4851
JUMPER
R4843
150
R4808
JUMPER
D
481
0
O
PE
N
220
/25(8
*11
.5)-
R
A
3
C
482
3
D
480
3
O
PE
N
220
/25(8
*11
.5)-
R
A
3
C
480
8
560
R4880
R4862
2K7
D4811
OPEN
ZD4804
OPEN
220
/16
(8
*11
.5
)_
R
A
2
C
482
1
ZD4802
OPEN
R4813
22(1)
C
482
8
47
/63
(6
.3
*11
)-R
A
3
47
/63
(6
.3
*11
)-R
A
3
C
482
9
47
/63
(6
.3
*11
)-R
A
3
C
481
4
C
481
3
47
/63
(6
.3
*11
)-R
A
3
R4856
10K
KDS160
D4800
KSA992FATA
Q4803
C
483
2
22
/16
(5
*11
)
R
489
0
1K
5
R
489
2
10
K
220
/16
(8
*11
.5
)_
R
A
2
C
480
6
7
4
5
6
2
3
1
8
CP4802
A2505-WV08
PREGND
PREGND
PREGND
R4803
4K7(1)
R4876
0R22(2)
R4821
0R22(2)
10K
R4811
HIGHGND
-HIGHR
TR_THERMAL
ASO_DET
HIGHGND
-HIGHR
150
R4886
1000P-100V(FNS)
C4825
FR_IN
100P-J
C4819
47/25(8*11)-ROS
C4822
KSA992FATA
Q4816
R4850
100K
KTA1024Y
Q4810
1N
414
8
D
481
4
R4839
150
1000P-100V(FNS)
C4810
FL_IN
100P-J
C4804
47/25(8*11)-ROS
C4807
Q4806
KSA992FATA
Q4800
KTA1024Y
1N
414
8
D
480
7
1N
414
8
D
480
8
R4875
OPEN
OPEN
R4861
4K7(1)
R4846
R4849
4K7(1)
C4816
220/25(8*11.5)-RA3
Q4805
KTC3964
R4828
OPEN
R4818
OPEN
R4806
4K7(1)
C4802
220/25(8*11.5)-RA3
C4827
OPEN
R4866
5K6
R4864
0R22(2)
R4863
15K
270K
R4859
C4817
OPEN
R4848
DHPTF1608_471-115T
2 1
TP4802
A2001-WR02_2P_2MM
Q4808
2SB1560
C4812
OPEN
R4829
0R22(2)
5K6
R4823
OPEN
C4803
R4804
DHPTF1608_471-115T
2 1
TP4800
A2001-WR02_2P_2MM
2CH_AMP B'D
RADI_THERMAL
FR
2N5551S
Q4814
Q4812
2N5401S
FL
Q4804
2N5551S
2N5401S
Q4801
R4874
PRF18BG471QB5RB-65T
OPEN
R4869
-HIGHB
PREGND
FL_OUT
FR_OUT
DC_DET4
RADI_THERMAL
THERMALDET
-HIGHB
-HIGHB
HIGHGND
PREGND
A2001-WV04
CP4801
AV_S-CN
T
(AV
1/3
N5
)
1N
414
8
D
481
3
R4807
100K
KTC3206Y
Q4819
D
480
9
O
PE
N
Q4815
KTC3964
R4879
OPEN
D
480
2
O
PE
N
KTC3206Y
Q4809
OPEN
R4832
Q4813
2SD2390
R4855
10K
2SB1560
Q4818
R4815
270K
Q4802
2SD2390
C4818
100/100(10*16)
C
483
3
O
PE
N
+HIGHB +HIGHB
+HIGHB
CP4800
A2505-WV03_3P_2.5MM
SPK_F-CN
T
(SPK
1/3
B2
)
SPK_F-CN
T
(SPK
1/3
B6
)
DIGITAL
(DIGITAL
CNT
6/11
F9
)
2CH_AMP 1/1
1.1V
56.8V
0V
0V
-55.2V
-1.1V
-55.6V
0.6V
56.2V
55.6V
-54.6V
Point A Point B Point C
Point A
Point B
Point C1
Point C2
Voltage A
Measurement condition
・ Voltage measurement
No signal
・ Waveform measurement
INPUT: 200mVrms / 1KHz (ANALOG)
Surround mode: MCh Stereo
VOL: 70
Speaker load: 8ohms
DC mode AC mode
Point C1
Point C2
Voltage A
CN4800
TO N1006
CP4800
TO CN4000
CP4802
TO CN4006
CP4801
TO CN5203
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
27