Schematic Diagram - Marantz PM8003 Service Manual

8. SCHEMATIC DIAGRAM

P401 PHONO AMP PWB
P401 PHONO AMP PWB
4 3 R405,R406
PHONO
F/U: 33
J002
N: 100
EX41,EX42
F/U ONLY
C405
1 2
10u/35V R405
J401
EARTH
2 EX41
JAMPER
3
PHONO
EX42
R467 1
16.5V
JAMPER R406
10
C406
4 2 1
10u/35V
3 4
EX45
C421 F
R465
EX46
N
10u/35 100
EX47
K
EX48
L
EX49
U
TO POWER STAGE PWB
W401
R469
1
+18V
10
2
-18V
3
J291
PH-OUT-L
J331
R293
4 2 TO Main PWB
A-GND
Jamper
5
PH-OUT-R
3
PRE OUT
R468
R294
10
1
Jamper
R297
5
1K
6
MAIN IN
R298
4
C422
R466 1K
100
10u/35 7
-16.5V
R470
10
W291
1
PRE-OUT-R
2
A-GND
TO Main PWB
3
PRE-OUT-L J283
4
MAIN-IN-R
5
A-GND
6
MAIN-IN-L
15.5V
15.5V
15.6V
1.2V
0.6V
0.6V
0.6V
15.0V
0V
0V
3300p
C411
0V 0V
0V 0V
-15.0V
-0.6V
-0.6V
-0.6V
-1.2V -15.6V
-15.5V
-15.5V
SPK TERMINAL PWB P751
R445
82
R446
82
R753
15.5V 25.5V
15.5V
15.6V
1.2V
22
0.6V
0.6V
0.6V
15.0V
0V
0V
C412
0V 0V
3300p
J751
SPK_L+ 0V
0V 4
W008 -15.0V
3 SPK_L-
-0.6V
SPK_R-
2
J709 R754
1 SPK_R+ -0.6V
-1.2V
-15.6V 25.5V
-15.5V 22
-15.5V
R751
N VERSION ONLY
3302W
12 10 9
1 3
R755
26.0V
26.0V
22
R752
3302W
J755
W009
TO U-COM PWB
JU07
P591 VOLUME PWB
P591 VOLUME PWB
J591
W U01
1
TO U-COM PWB
2
3
07MQ-ST-L J592
1
J593
J501
TO MAIN PWB
29
R467
16.5V
16.4V
10
1.2V
0.6V
0.6V
0V
C421
R461 R465
0V
47k 100
10u/35
0V
-0.6V
-0.6V
-1.2V
W401
R469
1
+18V
-16.4V
10 2
-18V
3
PH-OUT-L
4
A-GND
5
PH-OUT-R
R468
16.4V
J011
1 10
SPK_A(L)
1.2V J012
1
0.6V
0.6V
0V
J013
1
C422
R462 R466
SPK_B(L)
0V
J014
47k 100
1 10u/35
0V J015
1
-0.6V
SPK_A(R)
J016
1
-1.2V
-16.5V
R470
-16.4V
10
J017
1
SPK_B(R)
J018
1
8
W291
1
PRE-OUT-R
J754
4 5
1 W010 2
HP_L
A-GND
TO HEADPHONE PWB
2 3
PRE-OUT-L
J792
HP_R
3 4
MAIN-IN-R
5
A-GND
6
MAIN-IN-L
SPK TERMINAL PWB
J751
SPK_L+
4
W008
SPK_L-
3
TO POWER STAGE PWB
2 SPK_R-
J709
1 SPK_R+
J331 N VERSION ONLY
TO Main PWB
W009
P891 POWER SW PWB
POWER SW PWB
P891
S891
C891
1 2
TO Main PWB 470p
P591 VOLUME PWB
J283
1 2
J891
J591
1 2
W U01
1
TO U-COM PWB
2
1 2
1 2
3
A-GND
W003
2 1
W002 2 1
J851 J852
2 1 2 1
C851 C863
0 . 0 1 0 . 0 1
07MQ-ST-L F851
J856
F / U : T 6 . 3 A / 2 5 0 V
N: T3.15A/250V
J501
TO MAIN PWB
Q851
C852
10u/50
A-GND
10.2V
11.6V
L851
R860
SUB TRANSFORMER 1D3 1D3
D851 D855 R859
4 5
D852
D856
1D3 1D3
EX07 NC
220V
2
D853
1D3
230V
1 9
EX06 1D3
D854
5-9 AC11.8V
A-GND
EX21
F
EX22
P851 STANDBY PWB N
EX23
K
EX24
L
P851
STANDBY PWB EX25
U
30
P751
J011
1
R753
25.5V
SPK_A(L)
J012
22
1
J013
1
SPK_B(L)
J014
1
J015
1
SPK_A(R)
J016
1
R754
25.5V
22
J017
1
R751
SPK_B(R)
3302W
J018
1
12 10 9 8
J754
1 3 4 5 1 W010
R755 HP_L
26.0V
TO HEADPHONE PWB
2
26.0V
22
R752 J792
3 HP_R
3302W
J755
TO U-COM PWB
JU07
J855
29.0V
3
+28V W006
2
To MAIN PCB
-28V
- 2 9 . 0 V
1 J811
+24VL
D857 R855
J854
11EQS10 1 1/2W
29.0V
1 1 AC21.6V
G851
R856 2 2
1 2
1
D858
1/2W
0 . 6 8 / 4 . 7 3 3
AC21.6V
11EQS10
D859 1D3 1D3 1D3
D861 D865 D863 L001
11EQS10
MAIN TRANSFORMER
- 2 9 . 0 V
D860 1D3 1D3
1
D862 D866
11EQS10
J853
2 2
1 1
2
J592
1
J593
R858
J857
26.0V
100k
Q853
J863
NJM7805FA
1
KTC3199 L855 I N
26.0V IN OUT
5 . 0 V
GN D
3
2
OUT
A-GND
POWER ON:0.7V
Q854
POWER OFF:0V C866
KTA1268 4
0 . 1 u
1k 6
Q852
A-GND J861
PQ050ES1MXPQ
1
0V
1k L853
11.5V RC5
5 . 0 V
IN OUT
0.6V 2
GN D P_DOWN
5.0V 3
+5VD
5.0V 4
P_ ON
5.0V 5 TO U-COM PWB
L +5V
4
L854 JU01
0V 6
D-GND
W007
R854
0.6V 7
P_OFF
100k
0V 8
I C E4
Q855 5.0V 9
KRA102M RXD
5.0V 10
TXD
C864
0 . 1 u
A-GND
J864 1
5 4 3 2 1
J862
EARTH
FOR SOFT UPDATE
3
4
5
6
7
8