Panasonic SA-XR700EG Service Manual page 98

SA-XR700EG
SCHEMATIC DIAGRAM - 22
POWER CIRCUIT
I1
Q733
B1GBCFJA0002
REGULATOR
-15V
+5VA
SP_RELAY_+10V R746 R747
Q733
68K 120K
D773
D744
C757
R745
50V4.7
15K
DCDET
D739,D744,D773
B0ACCK000005
D743
MAZ80560ML
C753
25V100
D739 R749
2.2K
C752
25V100
+15V
C751
25V100
+5VD
Q736
+5VA
R755
220
R756
C756
50V1 3.9K
Q736
B1AAGC000006
REGULATOR
Q737
2SD21370PA
REGULATOR
SP_RELAY_+10V
R757
220
R758
C754
1K
50V1
D757
MAZ81100ML
TO POWER
1 2 3 4 5 6
SECTION (1/3)
14 15 16
: -B SIGNAL LINE : +B SIGNAL LINE
D735-D736
B0HAJL000001
T731
ETS28AU2V9AC
R800
C744 SUB TRANSFORMER
1000P 100
R743
16
D736
330
15
R799
C743 1000P
L734
100
G0A200D00002
14
C749
C748
D735
35V100 13
16V470
C742 1000P
C747
12
16V1000
L733
D734
11
C741 1000P
C746 10
10V1000
L732 9
D733
L732-L733
G0A200D00002
D711
R733
B0HBSM000043
68
D733-D734
B0HANM000012
Q731
B1DEGM000026
SWITCH
R735
150K
R734
1 2 3 4
47
IC731
IC731
C0DAZYY00012
Q731
PWM CONTROLLER
C735
220P
5
8 7 6
R739
82K
R740
R738 R737
6.8K
68K 10K
R741 R736
Q732
1K
100
C740
C737
C738 R732 R753 R754
0.01 D732
470P 0.22 0.22 0.22
4700P
D732
Q732 B0JAME000025
B1ABCF000078
SWITCH
7 8 9 10 JW606 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5
TO TO
MAIN (DIG2) CIRCUIT MAIN (DIG1) CIRCUIT
(P606) IN (PB605) IN
SCHEMATIC SCHEMATIC
DIAGRAM-13 DIAGRAM-8
17 18
C745
1000P
2
D737 C750
B0HAJL000001 10V220
3
4
C755
5
0.01
6
7
IC724
C0CBADC00041
TERMINAL VOLTAGE
Q735
B1ABCF000078
C732
VOUT VSS VIN
REGULATOR
50V470
1 2 3
Q734
2SB0621AHA
SWITCH C768
50V1
C716
1000P
R716
10K
C730
10V470
Q735
D741 R775
1.5K
D742
D741-D742 C758
B0ACCK000005
0.01
R742
D724
C719
18K
MAZ80360LL
50V1
R577 R576
47 47
R578
Q505
1.5K
B1ABEC000010
BEATPROOF SWITCH
TH702
D4CA33030001
4 3 2 1 P605
19 20 21
98
IC723 IC722
C0CBCDC00017
C0DBEKG00004
REGULATOR IC REGULATOR IC
VIN GND VC NC VOUT VCC VIN GND VOUT ADJ
1 2 3 4 5 1 2 3
C782
C783
0.001 0.001
T721
ETS25AD1P6AG
D723
TRANSFORMER
B0JAJG000002
9
7
10
C726
6 R772
D725 1800P 100K
11
B0HANM000012
R771 MIP2C10MSSCF
12
5
22
SWITCHING IC
4 D721
13 D722
B0HAJL000001
B0HAGR000002
3
14 5 D
15 C729
2
6
50V1
16
1
7 S
8 S
PC721
1
PC721
B3QAZ0000062
2
/
3
22 23 24
I1
I2
4 5
R767
10
R766
12
I3
R765
22
TO POWER
SECTION (3/3)
I4
IC721
VCC 4
C727 R773
1000P 470K
CL 3
IC721
FB 2
VDD 1
C728 R774
0.1 15K
I5
SA-XR700EG POWER CIRCUIT
25 26