Marantz ER3000, Service Manual

Page: 11 / 78

C822
100u/16V
D819
1D3
GND
C817
470u/10V
L807
G5PA-28
6
1
5 4
2 3
R829
10K
+12V
D818
1D3
T-MUTE
+2.5V
Q802
NTH22D3R0LA
C828
100u/16V
C825
470u/10V
D808
FMG-22S
1
2
3
R805
18K
R834
2.2K
R819
10K
C823
100u/16V
HP-R
C816
470u/25V
R833
1K
J806
R832
3.3K
2 2
C821
0.1
1
2
Q805
NJM78M15FA
2
1 3
T801
ER4014AF
14
9
1
13
6
7
2
3
4
12
11
10
15
16
5
+22V
C815
1000u/25V
Q807
SI-8033S
5
4
1
2
3
Q816
NJM78M05FA
2
1 3
C813
4700u
D809
FMG-22S
1
2
3
2 2
R836
4.7K
GND
C814
1000u
C844
100u/16V
GND
C812
4700u
C843 4700P
+5V
C830
0.1
C811
10/50V
GND
GND
J807
1
2
C824
0.1
D801
RBV-606
3
2
1 4
R835
2.2K
L801
ELF24V035A
3
2
4
1
Q809
SI-3050C
3
4
5
2
1
Q811
SI-3050C
3
4
5
2
1
C836
3300P 2KV
D816
1SS301
D807
FMB-G14L
R828
10K
+5VL
PGND
Q813
2SC2240
R831
10K
C801
0.22
Q808
DTC114EUA
GND
R808
1K
M+6V
-15V
C827
0.1
Q821
2SC4213
R826
10K
D804
1SS301
R830
10K
R838
22K
R812
1K
EARTH
D810
RB160L-40
C833
470u/10V
GND
C834
0.01
-22V
Q820
PQ1CZ21H2ZP
5
4
1
2
3
R822
1K
C819
1u/50V
C842
4700P
J802
AC OUTLET
GND
R803
680
C808
2200P
D806
RB160L-40
Q818
NJM7812FA
2
1 3
R802
1.8K
R815
15K
D812
RB160L-40
D821
1SS301
R809
120K 1/6W
Q806
NJM79M15FA
3
1 2
R825
1k
SW-22V
C805
1000P
Q804
NJM431L
W801
AC CORD
C839
100u/50V
C806
680u/200V
L808
G5PA-1
4 3
1 2
+5VL
D815
1SS301
C840
22u/50V
R801
22K
Q814
2SC2240
Q817
NJM79M05FA
3
1 2
C820
0.1
R813
15K
R804 150K
-5VL
M801
2
1
SW+22V
Q810
DTC114EUA
C807
4700P
J803
+3.3V
L805
100u
PD-DET
GND
D802
PC123F2
2
1
3
4
C818
470u/10V
SW-22V
C809
0.033
GND
D820
UDZ-16B
+5V
L803
47u
C803
4700P
J804
HP-L
R810
0.1 5W
C832
470u/10V
D805
1SS301
GND
C837
2200P
J801
VA
2
1
D811
RB160L-40
L804
47u
Q819
2SA1576
R811
0
GND
Q812
DTC114EUA
C802
0.1
Q803
2SK2730
F801
5A
C841
470u/10V
C829
470u/10V
R806 47
D813
1SS301
R807
10 1/6W
J805 1
HP-R
2
HP-GND
3
HP-L
4
GND
5
+5VD
6
VKK
7
F2
8
F1
R814
1K
Q815
PQ2TZ15u
5
4
1
2
3
STBY-LED
D814
1SS301
+15V
C804
4700P
R816
0
C831
0.1
Q801
AN8037
1
TR
2
OCR
3
CF
4
CLM
5
GND
6
OUT
7
VCC
8
SD
9
FB
C838
47u/10V
+5V
R837
22K
C810
100u/50V
RPO
PA01
35V
25V
KDS121
KDS121
KDS121
REF K
A
KDS121
KDS121
KDS121
1N4003S
1N4003S
-20V
Vin
Vc
Vo
GND
NC
Vin
Vout
GND
Oadj
ON/OFF
GND
ON/OFF
Vout
Vin
Oadj
KDS121
NEUTRAL
LIVE
35V
TO FRONT PCB (JY01 VIA W005) W005
IN
Vc
OUT
CONT
GND
Vc
GND
IN OUT
CONT
LIVE
NEUTRAL
FOR Q803
HEAT SINK
FAN
AC100V
MAX100W
24V
STBY:0V
ON:5V
DC130V
↑
↓
7.8V
6.7V
2.5V
-4.5V
24V
STBY:10V
ON:0.8V
STBY:24V
ON:0V
ON:0V
STBY:5V
-24V
STBY:0V
ON:-24V
STBY:0V
ON:24V
ON:6V
9.5V
0.8V
5V
-5V
STBY:0V
ON:15V
STBY:0V
ON:-15V
0V 0V 5V
-24V -23V
AC100V
10V
-12V
→
→
→
→ →
→
→
STBY:0V
ON:12V
2V
→
SWITCHED
SWITCHING POWER SUPPLY
PRIMARY SECONDARY
→
→
REGULATOR
ON:2.5V
ON:3.3V
ON:5V
STBY:0V
STBY:0V
ON:-20V
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED BY MARK HAVE SPECIAL CHARACTERISTICS.
IMPORTANT FOR SAFETY,WHEN REPLACING ANY OF THESE COMPONENTS
USE ONLY MANUFACTURER’S SPECIFIED PART.
THE UNIT OF RESISTANCE IS OHM, K=1000 OHM, M=1000 KOHM.
THE CAPACITANCE IS MICROFARAD P=PICO FARAD.
THIS SCHEMATIC DIAGRAM MAY BE MODIFIED AT ANY TIME WITH THE
IMPROVEMENT OF PERFORMANCE.
ALL VOLTAGE ARE MEASURED WITH GROUND.
DC:VALUES WITH NO SIGNAL
AC:RMS
ON/OFF
ON/OFF
15
16
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