Panasonic SA-XH175EE / SA-XH175GS / SC-XH175EE Service Manual ▷ View online
109
I
K
L
J
M
O
P
N
15
16
17
18
19
20
21
22
23
24
25
26
27
28
E
D-AMP CIRCUIT
SCHEMATIC DIAGRAM - 17
SA-XH175EE/GS D-AMP CIRCUIT
2/4
4/4
1/4
3/4
TO D-AMP
CIRCUIT (2/4)
CIRCUIT (2/4)
TO D-AMP
CIRCUIT (3/4)
CIRCUIT (3/4)
AA
AB
AC
P1
1
2
P1
: +B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
C5234
1000P
1000P
C5235
1000P
5.6K
R5220
C5400
10
5.6K
R5221
C5236
1000P
C5237
1000P
GND
FR+
FR-
SL+
C5134
1000P
SL-
FL-
SR+
SR-
C5136
1000P
C5135
1000P
C5137
1000P
FL+
Q5408
B1ABCF000231
B1ABCF000231
SPEAKER PROTECTION SWITCH
SPEAKER PROTECTION SWITCH
Q5409
R5431
33K
R5113
10K
R5213
10K
R5114
10K
R5212
10K
DGND
C5111
1
C5114
1
C5112
1
C5113
1
C5212
1
C5211
1
C5214
1
C5213
1
R5202
100
VALID
R5203
47K
10
R5200
R5103
100
10
R5100
R5102
47K
PWM_FR+
PWM_FR-
C5251
0.1
C5104
4.7
R5104
22K
22K
R5205
2
1
43
11
9
10
34
36
35
12
33
6
7
5
4
39
38
41
40
8
37
23
22
20
18
16
14
13
15
17
19
31
32
28
26
25
27
30
29
21
24
3
42
44
IC5100
4.7
C5204
C5100
10
C5101
100P
C5151
0.1
C5102
4.7
PWM_SL-
PWM_SR-
PWM_SR+
C5150
0.1
C5103
4700P
PWM_SL+
100P
C5201
0.1
C5250
C5200
10
C5203
4.7
PWM_FL+
PWM_FL-
4700P
C5202
C5205
0.1
C5105
0.1
C5106
0.1
C5209
0.033
R5105
10
R5206
10
R5106
10
C5110
0.033
C5109
0.033
C5210
0.033
C5107
0.033
C5108
0.033
C5208
0.033
C5207
0.033
2
1
43
11
9
10
34
36
35
12
33
6
7
5
4
39
38
41
40
8
37
23
22
20
18
16
14
13
15
17
19
31
32
28
26
25
27
30
29
21
24
3
42
44
IC5200
C1AB00003582
DIGITAL AMPLIFIER
C1AB00003582
DIGITAL AMPLIFIER
10
R5207
C5206
0.1
0.22
C5124
C5222
0.22
C5125
0.22
C5122
0.22
C5123
0.22
R5107
3.3
R5211
3.3
3.3
R5210
C5131
0.01
C5130
0.01
R5108
3.3
0.01
C5232
R5109
3.3
R5112
3.3
C5132
0.01
C5133
0.01
C5224
0.22
0.22
C5225
C5223
0.22
R5208
3.3
0.01
C5233
R5209
3.3
0.01
C5231
0.01
C5230
2
4
3
1
L5200
G0C100M00007
2
4
3
1
G0C100M00007
L5101
2
4
3
1
G0C100M00007
L5100
C5121
0.27
C5120
0.27
C5220
0.27
2
4
3
1
L5201
G0C100M00007
C5221
0.27
R5217
100K
R5111
100K
R5219
100K
R5218
100K
R5216
100K
C5427
10
R5110
100K
R5118
100K
R5117
100K
NC
SD(L)
SD
VDD
NC
M3
M2
V1_CM
PWM_B
PWM_A
NC
M2
M1
M3
READY
SD(L)
NC
READY
M1
PSU_REF
OTW(L)
OTW(L)
VREG
PWM_D
PWM_C
GND
VDD
AGND
OC_ADJ
/RESET
C_STARTUP
TEST
VREG
PWM_D
PWM_C
TEST
PWM_A
PWM_B
PSU_REF
V1_CM
GND
VDD
/RESET
OC_ADJ
C_STARTUP
AGND
OUT_C
BST_B
BST_C
PVDD_C
BST_D
PVDD_D
GVDD_CD
GND_C
OUT_D
GND_D
OUT_B
PVDD_B
GND_A
OUT_A
PVDD_A
BST_A
GVDD_AB
PVDD_A
OUT_A
GND_B
OUT_C
BST_C
PVDD_C
PVDD_D
PVDD
OUT_D
OUT_D
BST_D
GVDD_CD
PVDD_D
GND_C
GND_D
BST_B
OUT_D
PVDD_D
GND_A
BST_A
PVDD_A
PVDD_A
GVDD_AB
OUT_A
OUT_A
OUT_B
PVDD_B
GND_B
110
17.6. SMPS Circuit
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
D
B
E
G
H
F
F
SMPS CIRCUIT
SCHEMATIC DIAGRAM - 18
SA-XH175EE/GS SMPS
CIRCUIT
2/2
1/2
TO SMPS
CIRCUIT (2/2)
1
2
3
4
6
5
7
P1
: +B SIGNAL LINE
: -B SIGNAL LINE
E
TO
D-AMP CIRCUIT
(CN5400)
IN SCHEMATIC
DIAGRAM - 16
D-AMP CIRCUIT
(CN5400)
IN SCHEMATIC
DIAGRAM - 16
A
TO
MAIN(MICON)
CIRCUIT (CN2004)
IN SCHEMATIC
DIAGRAM - 11
MAIN(MICON)
CIRCUIT (CN2004)
IN SCHEMATIC
DIAGRAM - 11
1
10
DZ2J200M0L
D5705
B0ECFR000003
D5710
DA2J10100L
D5706
R5722
2.2K
DA2J10100L
D5708
820P
C5722
220P
C5721
50V10
C5726
47K
R5725
D5714
DZ2J30000L
22
R5720
D5707
DZ2J062M0L
R5803
220
DZ2J062M0L
D5703
0.01
C5826
C5800
0.01
D5803
B0HFRJ000012
PCONT
6800P
C5817
10K
R5802
R5808
2.2K
R5730
1K
4
3
1
2
B3PBA0000579
FEEDBACK
PC5704
1000P
C2903
R5807
680
SYNC
SYS3.3V
6
8
9
7
2
1
4
5
3
10
CN5700
47K
R5729
15K
R5806
C5818
0.1
R5814
100K
R5804
82K
R5805
6.8K
B1GBCFGG0030
DC DETECT
QR5862
2
1
4
3
H5700
R5801
100
C5791
10
C5840
0.01
C5806
1
C5813
35V330
680
R5809
0
R5866
8.2K
R5832
C5805
50V820
R5862
3.3K
3
1
2
B0HBSM000056
D5802
T5701
ETS61BA126AD
MAIN TRANSFORMER
220
R5864
D5704
DZ2J200M0L
Q5720
B1ABMG000008
VOLTAGE REGULATOR
100P
C5720
10K
R5721
R5702
100K
D5712
B0EAMM000057
R5703
100K
C5713
0.01
3
2
1
B0ZAZ0000089
D5702
SYNC
PGND
PGND
DCDET
PGND
PGND
PCONT
SYS3.3V
DC18V
DC18V
POWER_CONT
PGND
+35V
+35V
PGND
3
2
1
ZJ5703
HEATSINK*
G2
G1
NOTE: “ * ” REF IS FOR INDICATION ONLY
C2904
56P
K572...EE/GS
0
11
13
14
12
8
6
5
7
9
10
18
15
16
17
1
4
2
GND
+35V
VIN
+21V
VCC
GND
GND
C2902
56P
C5811
0.01
A
R
K
C0DABYY00011
SHUNT REGULATOR
IC5801
111
15
16
17
18
19
20
21
22
23
24
25
26
27
28
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A
C
D
B
E
G
H
F
F
SMPS CIRCUIT
SCHEMATIC DIAGRAM - 19
SA-XH175EE/GS SMPS
CIRCUIT
2/2
1/2
TO SMPS
CIRCUIT (1/2)
CIRCUIT (1/2)
1
2
5
4
6
7
P1
3
: +B SIGNAL LINE
: -B SIGNAL LINE
G
TO
AC INLET
CIRCUIT IN
SCHEMATIC
DIAGRAM - 13
AC INLET
CIRCUIT IN
SCHEMATIC
DIAGRAM - 13
C5712
400V150
C5702
F0CAF104A105
0.1
R5704
120K
R5706
270K
3
2
4
1
B0FBAR000043
D5701
C5723
470P
TH5702
D4CAA5R10001
TL31*
TL21*
DA2J10100L
D5709
220
R5732
D5713
DZ2J360M0L
R5726
0.15
C5747
820P
47K
R5733
1
C5730
0.1
C5731
6
3
2
1
5
4
7
C5HACYY00008
SWITCHING REGULATOR
IC5701
0.1
C5725
1000P
C5724
R5797
15K
R5891
33K
C5706
F1BAF471A013
470P
0.1
C5796
1
C5794
R5795
470K
1000P
C5795
SYS3.3V
R5892
1K
C5898
0.1
R5893
10K
R5895
15K
C5899
10V220
D5896
B0EAMM000057
4
3
1
2
PC5700
B3PBA0000579
SYNC
B0ECET000006
D5711
820K
R5898
150
R5894
D5716
B0EAMM000057
D5791
DZ2J091M0L
22
R5798
4
3
1
2
B3PBA0000579
FEEDBACK
PC5701
SYNC
100
R5897
Q5898
B1ABCF000176
SWITCH
C5897
0.01
100K
R5821
2.2K
R5890
50V10
C5798
9
10
7
+3.3V
+18V
GND
8
2
1
6
5
4
3
ETS19AB2E6AG
SUB TRANSFORMER
T5751
7
8
5
1
2
4
3
IC5799
MIP2F20MSSCF
SWITCHING MODE POWER
SUPPLY CONTROL
R5707
390K
C5700
F1BAF1020020
1000P
PGND
CL
VCC
VDD
FB
D
S
S
D
GND
FB
(BLK)
(RED)
VCC
OLP/SS
OCP/BD
S
3
2
1
ZJ5702
B1ABCF000176
SWITCH
Q5902
B0EAKM000117
D5901
R5901
1K
B1ADCE000022
SWITCH
Q5901
R5902
120
DA2J10100L
D5903
C5901
1000P
680
R5903
B1GBCFLL0037
PCONT SWITCH
QR5901
4
3
1
2
B3PBA0000579
PCONT
PC5705
PCONT
R5906
100K
R5905
10K
NOTE: “ * ” REF IS FOR INDICATION ONLY
HEATSINK*
RL5000*
G2
G1
A
R
K
C0DBEYY00070
SHUNT REGULATOR
IC5900
112
17.7. Mic Circuit
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
D
B
E
G
H
F
A
C
D
B
E
G
H
F
H
MIC CIRCUIT
SCHEMATIC DIAGRAM - 20
SA-XH175EE/GS MIC
CIRCUIT
A
TO
MAIN(MICON)
CIRCUIT (CN2009)
IN SCHEMATIC
DIAGRAM - 8
MAIN(MICON)
CIRCUIT (CN2009)
IN SCHEMATIC
DIAGRAM - 8
: +B SIGNAL LINE
: -B SIGNAL LINE
: MIC AUDIO INPUT SIGNAL LINE
NOTE: “ * ” REF IS FOR INDICATION ONLY
680
R7001
C7009
1500P
1500P
R7010
100
R7006
82K
0.1
C7018
1
C7012
R7008
100
C7027
100P
1
C7014
0
R7011
C7010
47P
C7003
1
R7003
0
R7005
1K
C7006
100P
C7005
47P
6
7
5
2
4
3
8
1
IC7000
C0ABBB000189
MIC AMP
R7015
1K
C7015
1
C7011
0.1
R7009
33K
J0JBC0000030
L7008
J0JBC0000019
R7107
22
Q7103
B1ABEB000002
+5V VOLTAGE REGULATOR
C7106
0.1
C7116
5600P
5600P
R7115
100K
Q7101
B1GBCFJJ0041
SWITCH
Q7100
B1GBCFJJ0041
SWITCH
R7112
15K
R7110
6.8K
Q7102
B1GBCFJJ0041
SWITCH
R7109
10K
C7113
1
R7103
10K
R7105
10K
C7107
3300P
3300P
R7101
10K
R7104
15K
R7102
10K
0.082
C7104
C7108
560P
0.082
C7109
C7121
0.1
C7103
560P
7
5
6
1
2
4
3
10
12
14
15
16
13
11
8
9
C1AB00002773
ECHO PROCESSOR
IC7100
R7118
8.2K
R7108
4.7K
C7117
1
R7117
12K
C7115
0.1
C7102
3900P
3900P
R7106
12K
D7100
B0BC5R1A0266
16V47
C7110
C7020
0.1
C7120
16V47
C7112
0.1
C7122
0.1
C7111
16V47
220
R7119
C7105
0.1
680
R7116
R7113
10K
R7100
15K
C7101
1
R7114
10K
R7004
680
C7007
0.1
C7004
0.015
0.1
C7019
C7026
100P
C7023
100P
C7022
100P
C7021
100P
J0JBC0000030
L7002
L7001
7
8
3
2
1
JK7002
MIC 2
MIC 1
L7004
J0JBC0000019
C7013
0.01
L7005
J0JBC0000019
J0JBC0000030
L7006
C7114
0.01
J0JBC0000019
L7007
7
8
3
2
1
JK7001
OP2IN
VCO
AGND
DGND
CLK_O
OP2OUT
OP1IN
CCO
OP1OUT
CC1
LPF2OUT
LPF2IN
VCC
LPFIN
VREF
LPF1OUT
V-
+9V
+9V
MIC_SW
MIC_SW
ECHO_LVL1
ECHO_MUTE
ECHO_LVL2
V+
R6212
R6211
R6210
R6209
R6208
J0JYC0000339
J0JYC0000339
J0JYC0000339
J0JYC0000339
J0JYC0000339
5
6
1
1
3
4
2
8
8
7
P6000
ADGND
+9V
MIC_SW
MIC_SW
ECHO_MUTE
ECHO_MUTE
ECHO_LVL1
ECHO_LVL1
ECHO_LVL2
ECHO_LVL2
MIC_IN
-9V
C6400
0.01
RL6004*
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