Panasonic SA-XH175EE / SA-XH175GS / SC-XH175EE Service Manual ▷ View online
105
17.4. Operation Button, Power Button and AC Inlet 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
C
OPERATION BUTTON CIRCUIT
SCHEMATIC DIAGRAM - 13
SA-XH175EE/GS OPERATION BUTTON / POWER BUTTON / AC INLET
CIRCUIT
B
TO
PANEL CIRCUIT
(CN6001)
IN SCHEMATIC
DIAGRAM - 12
PANEL CIRCUIT
(CN6001)
IN SCHEMATIC
DIAGRAM - 12
D
POWER BUTTON CIRCUIT
: +B SIGNAL LINE
: +B SIGNAL LINE
G
AC INLET CIRCUIT
F
TO
SMPS CIRCUIT
IN SCHEMATIC
DIAGRAM - 19
SMPS CIRCUIT
IN SCHEMATIC
DIAGRAM - 19
NOTE: “ * ” REF IS FOR INDICATION ONLY
R6021
18K
S6004
R6020
1.2K
S6006
S6804
R6025
1.2K
2
1
4
3
H6002
1
3
2
H6003
LED
DGND
KEY 2
LED
DGND
VOLUME+
VOLUME-
OPEN/CLOSE
KEY 1
KEY 1
S6801
B3ABA0000187
D6800
0
L6804
L6806
0
1
3
2
H6001
68
L6805
POWER
LED
DGND
KEY 1
P5701
ZA5701
ZA5702
ERZVA5Z471
DZ5701
3
2
1
ZJ5701
R5701
ERJ8GEYJ155V
1.5M
TL20*
R5700
ERJ8GEYJ155V
1.5M
TL30*
3
2
4
1
L5702
G0C123M00001
0.22
C5701
F0CAF224A105
F1
T3.15AH 250V
(BLK)
(RED)
AC IN
C5704
F1BAF471A013
470P
F1BAF471A013
470P
C5705
220V ~ 240V 50Hz
3
2
4
1
L5701
G0C123M00001
106
17.5. D-Amp Circuit
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
D
B
E
G
H
F
E
D-AMP CIRCUIT
SCHEMATIC DIAGRAM - 14
SA-XH175EE/GS D-AMP CIRCUIT
2/4
4/4
1/4
3/4
TO D-AMP
CIRCUIT (2/4)
TO D-AMP
CIRCUIT (3/4)
CIRCUIT (3/4)
P1
1
18
A
TO
MAIN(MICON)
CIRCUIT (CN2006)
IN SCHEMATIC
DIAGRAM - 11
MAIN(MICON)
CIRCUIT (CN2006)
IN SCHEMATIC
DIAGRAM - 11
TO SPEAKERS
: +B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
DAP_SDA
R5354
10K
R5357
1
PWM_SR+
DAP_LRCLK
PWM_SL-
PWM_SL+
R5358
22
C5373
10
DAP_SCL
DAP_SDA
FAN_DA
FAN_AD
PW_+12V
PWM_SW+
PWM_C-
PWM_SW-
PWM_C+
C5358
1000P
R5392
47
L5300
J0JBC0000015
R5428
10K
2.2
R5355
0.1
C5359
VALID
R5350
200
200
R5351
R5376
47
DAP_SDIN4
DAP_SDIN3
47
R5375
PWM_FL+
PWM_SR-
8
6
5
7
4
2
1
3
D1H84704A024
RX5374
C5372
0.01
0.1
C5350
0.1
C5352
C5351
0.01
10
C5357
0.01
C5356
3.3
R5352
0.1
C5353
DAP_SDIN1
DAP_SDIN2
8
6
5
7
4
2
1
3
D1H84704A024
RX5375
0.01
C5354
DCDET
PWM_FR+
PWM_FL-
8
6
5
7
4
2
1
3
D1H84704A024
RX5372
PWM_FR-
0.1
C5355
0.1
C5371
8
6
5
7
4
2
1
3
D1H84704A024
RX5373
1000P
C5369
10
C5370
C5361
10
R5356
1
C5368
0.1
C5360
0.01
0.1
C5362
47
48
44
45
40
41
36
33
35
34
38
39
37
43
42
46
1
62
63
58 57
60
61
59
64
53
50 49
52 51
55
56
54
8
7
9
4
6
5
23 24
21
18 19
17
[17] VR_DPLL
[18] OSC_CAP
[18] OSC_CAP
20
22
16
12
13
10
11
15
14
2
3
31
29 30
32
27 28
25 26
IC5301
C1AB00003610
DIGITAL AUDIO
PWM PROCESSOR
8
6
5
7
4
2
1
3
D1H83314A024
RX5371
9
7
5
2
3
1
4
6
8
17
15
13
10
12
11
14
16
18
CN5402
47P
C5367
47P
C5366
10P
C5365
10P
C5364
C5363
0.1
1M
R5353
X5351
H0J135000003
DAP_SCL
DAP_SDIN2
DAP_SDIN4
DAP_SDIN3
DAP_SDIN1
DAP_LRCLK
R5445
10K
DGND
MCLK
SCLK
LRCLK
SDIN4
+3.3V
SDIN2
SDIN3
DCDET
PW_+12V
FAN DA
FAN AD
SDIN1
DGND
DGND
MUTE
RESET
DAP_SCL
DAP_SDA
PSVC
XTL_OUT
XTL_IN
RESERVED
RESERVED
RESERVED
SDA
SCL
LRCLK
SCLK
SDIN4
SDIN3
SDIN2
SDIN1
DVSS
AVSS
VRD_PLL
AVSS
PLL_FLTP
PLL_FLTM
DVSS_PWM
PWM_P_8
PWM_M_8
PWM_P_7
PWM_M_7
DVDD_PWM
PWM_M_5
PWM_P_5
PWM_M_6
PWM_P_6
PWM_HPML
PWM_HPPL
PWM_HPMR
PWM_HPPR
MCLK
[64] RESERVED
[48] VR_PWM
[47] PWM_P_4
[46] PWM_M_4
[47] PWM_P_4
[46] PWM_M_4
[1] VRA_PLL
[2] PLL_FLT_RET
[2] PLL_FLT_RET
DVDD
AVSS_PLL
AVDD_PLL
VBGAP
/RESET
/HP_SEL
/PDN
/MUTE
DVSS
DVSS
[33] VR_DIG
DVSS
VALID
PWM_M_1
PWM_P_1
PWM_M_2
PWM_M_3
PWM_P_3
PWM_P_2
DVDD
/BKND_ERR
SD
SR-
SR+
SL+
SL-
1
G1
8
9
11
10
12
5
6
2
4
3
7
G2
JK5001
FL+
FR+
C+
SW+
SW-
C-
FR-
FL-
R5475
GND
0
CENTER -
FRONT R -
FRONT R +
FRONT L +
CENTER +
SUBWOOFER +
SUBWOOFER -
FRONT L -
SURROUND L -
SURROUND R +
SURROUND L +
SURROUND R -
DAP_SCLK
R5377
47
DAP_SCLK
107
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A
C
D
B
E
G
H
F
E
D-AMP CIRCUIT
SCHEMATIC DIAGRAM - 15
SA-XH175EE/GS D-AMP CIRCUIT
2/4
4/4
1/4
3/4
TO D-AMP
CIRCUIT (1/4)
CIRCUIT (1/4)
TO D-AMP
CIRCUIT (4/4)
CIRCUIT (4/4)
P1
P1
AA
AB
AC
: +B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
5.6K
R5319
R5318
5.6K
SW-
C-
C5334
1000P
C+
C5333
1000P
C5335
1000P
1000P
SW+
C5336
1000P
1000P
R5310
10K
R5311
10K
C5300
10
C5340
0.1
DA2J10100L
D5401
DCDET
B1GBCFNN0038
DC DETECT
QR5400
C5341
4.7
C5305
0.1
C5306
0.1
L5403
G1C4R7MA0172
PW_+12V
R5304
10
PWM_SW+
PWM_SW-
C5308
0.033
R5201
47K
100
R5301
R5300
10
4.7
C5302
PWM_C+
PWM_C-
R5303
22K
4700P
C5304
C5301
100P
C5342
0.1
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
IC5300
C1AB00003582
DIGITAL AMPLIFIER
R5305
10
C5307
0.033
C5312
1
1
C5311
C5314
1
0.033
C5309
C5310
0.033
1
C5313
VALID
C5321
0.22
C5322
0.22
C5319
0.27
R5309
3.3
C5337
0.01
R5308
3.3
C5338
0.01
0.22
C5324
C5323
0.22
0.47
C5320
R5306
3.3
0.01
C5330
R5307
3.3
0.01
C5329
2
4
3
1
L5302
G0C100M00007
2
4
3
1
G0C100M00007
L5301
R5317
100K
R5316
100K
R5314
100K
R5315
100K
VDD
OC_ADJ
PSU_REF
PWM_A
C_STARTUP
/RESET
PVDD
DGND
SD
VDD
OUT_A
PVDD_A
OUT_A
BST_A
GVDD_AB
PVDD_A
M1
NC
GND
NC
M3
M2
GND_D
BST_D
PVDD_D
GVDD_CD
OUT_D
SD(L)
OUT_D
READY
OTW(L)
PVDD_D
PVDD_C
PWM_D
BST_C
PWM_C
TEST
OUT_C
GND_B
V1_CM
GND_A
PWM_B
BST_B
VREG
OUT_B
AGND
PVDD_B
GND_C
GND
108
I
1
2
3
4
5
6
7
8
9
10
11
12
13
14
K
L
J
M
O
P
N
E
D-AMP CIRCUIT
SCHEMATIC DIAGRAM - 16
SA-XH175EE/GS D-AMP CIRCUIT
2/4
4/4
1/4
3/4
TO D-AMP
CIRCUIT (1/4)
CIRCUIT (1/4)
TO D-AMP
CIRCUIT (4/4)
1
2
P1
TO FAN
F
TO
SMPS CIRCUIT
(H5700)
IN SCHEMATIC
DIAGRAM - 18
SMPS CIRCUIT
(H5700)
IN SCHEMATIC
DIAGRAM - 18
: +B SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
DB2S31100L
D5405
DB2S31100L
D5403
C5424
5600P
5600P
C5423
1
L5401
J0JKB0000003
1
3
2
CN5401
WIRE CLAMPER
ZJ2*
1
C5419
2
1
4
3
CN5400
C5418
6.3V100
J0JKB0000003
L5402
560K
R5435
B1GBCFNN0038
FAN LOCK DETECT
Q5403
R5422
10K
R5424
470
10
C5420
27K
R5430
R5427
47K
PW_+12V
C5140
50V820
C5117
50V820
L5404
G1C4R7MA0172
D5407
DA2J10100L
1
C5425
R5438
100K
R5437
4.7K
B1ADCE000012
DC DETECT
DC DETECT
Q5413
B1ABCF000231
Q5412
FAN_DA
6
7
5
2
4
3
8
1
IC5401
C0ABBA000168
DUAL OP-AMP
R5429
10K
R5436
22K
R5439
100K
C5437
0.1
DCDET
C5422
2.2
Q5400
B1ABMF000020
FAN DRIVE
+35V
+35V
PGND
PGND
FAN GND
FAN LOCK
FAN DC OUT
DGND
PVDD
FAN_AD
GND
VCC
NOTE: “ * ” REF IS FOR INDICATION ONLY
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