Panasonic SA-XH70GW / SA-XH70EE / SC-XH70EE Service Manual ▷ View online
97
29
30
31
32
33
34
35
36
37
38
39
40
41
42
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 13
SA-XH70EE/GW MAIN CIRCUIT
3/8
4/8
7/8
2/8
6/8
8/8
1/8
5/8
TO MAIN
CIRCUIT (6/8)
CIRCUIT (6/8)
TO MAIN
CIRCUIT (8/8)
TO MAIN
CIRCUIT (3/8)
CIRCUIT (3/8)
P1
P1
E
TO
SMPS CIRCUIT
(H2016*)
IN SCHEMATIC
DIAGRAM - 16
SMPS CIRCUIT
(H2016*)
IN SCHEMATIC
DIAGRAM - 16
: AUX/TUNER AUDIO INPUT SIGNAL LINE
: -B SIGNAL LINE
: +B SIGNAL LINE
: FM SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
PW_PVDD_D
4.7K
R249
220K
R180
220K
R179
0.1
C158
DC DETECT
DC DETECT
Q106
B1GBCFJJ0041
DA2J10100L
D111
DA2J10100L
D110
SYNC
1
C139
L100
0
1000P
C132
16V100
C151
16V470
C150
1.2K
R156
D114
DZ2J100M0L
R157
100
R587
56K
B1ABBE000003
Q114
PW_+12V
Q107
B1BABD000001
+9V VOLTAGE REGULATOR
K109
DC DETECT
B1ADCE000012
Q116
DC DETECT
0
C142
25V4.7
DC_DET1
B1ABCF000231
Q105
PW_SW5V_D
PW_SW5V_ADC
PW_SW5V
7
9
10
8
4
5
1
3
2
6
12
11
CN100
R152
20K
K107
0
K106
0
K102
0
K103
0
R150
47K
K104
0
DZ2J15000L
D115
K101
0
DZ2J07500L
D112
PCONT
PW_FL+
ECO_CNTRL
PW_FL-
PW_-VP
R196
10K
1
C198
0.1
C197
180P
C131
100K
R195
15K
R165
SYS5VGND
R164
1K
C130
0.015
6
7
T1
5
2
4
3
8
THERMAL PAD
1
C0DBAYY00927
DC/DC CONVERTER
IC106
PCONT
C135
0.01
B1GBCFJJ0041
PCONT SWITCH
Q101
4
6
5
2
1
3
Q100
B1DGDC000002
SWITCH
PW_-VP
22
C138
0.47
C141
25V470
C143
0.1
C129
G0A330G00016
L125
R162
12K
R163
56K
D116
B0JCPG000028
PW_SYS6V
VGND
PGND
MGND
DA2J10100L
D402
R178
47K
DC_DET2
GND
SP_PROTCT
AGND
PW_9V
F-
F+
PCONT
GND
GND
23.5V
23.5V
12V
GND
-VP
DC_DET
ECO_CNTRL
SW
COMP
GND
FB
CE
VIN
SS
BS
100K
R291
39K
R292
D203
DZ2J07500L
27K
R293
98
I
K
L
J
M
O
P
N
43
44
45
46
47
48
49
50
51
52
53
54
55
56
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 14
SA-XH70EE/GW MAIN CIRCUIT
3/8
4/8
7/8
2/8
6/8
8/8
1/8
5/8
TO MAIN
CIRCUIT (7/8)
CIRCUIT (7/8)
TO MAIN
CIRCUIT (4/8)
CIRCUIT (4/8)
AA
AD
AC
AB
P1
P1
: AUX/TUNER AUDIO INPUT SIGNAL LINE
: -B SIGNAL LINE
: +B SIGNAL LINE
: FM SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
NOTE: “ * ” REF IS FOR INDICATION ONLY
C574
0.1
SP_SR+
G0A100H00018
L405
PW_PVDD_D
G0A100H00018
L404
C559
0.1
SP_SR-
C554
25V330
PWM_SR+
R460
100
PWM_SR-
PW_+12V
R461
10
R462
10
C550
0.033
C558
0.1
R505
5.6K
C436
0.1
C546
0.1
C551
0.1
0.1
C802
0.1
C803
R463
10
C438
0.1
C437
0.1
16V33
C441
C512
0.1
C439
10
OTW
SD
IC404
DIGITAL AMPLIFIER
C1AB00003217
C434
0.1
VALID
R455
10
PWM_SL+
R456
10
100K
R530
100K
R532
100K
R531
100K
R529
C526
0.1
SP_SL-
C527
0.033
C547
0.033
0.1
C540
G0A100H00018
L403
G0A100H00018
L402
25V330
C533
5.6K
R504
SP_SL+
C537
0.1
R458
100
R457
100
PWM_SL-
C528
0.1
C529
0.1
R459
22K
C530
0.033
GND
0
K303
HEATSINK*
43
11
9
10
34
36
35
12
33
6
7
5
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
4
2
1
42
44
NC
OUT_C
BST_C
OUT_D
GND_C
GND_D
NC
OUT_A
BST_A
BST_B
GND_A
OUT_B
GND_B
BST_D
PVDD_D
PVDD_D
PVDD_A
PVDD_B
GVDD_A
PVDD_A
PVDD_C
GVDD_D
NC
M2
NC
NC
M3
M1
GND
NC
VDD
VREG
AGND
PWM_B
PWM_D
PWM_C
SD(L)
PWM_A
OC_ADJ
GVDD_B
OTW(L)
GVDD_C
RST_AB(L)
RST_CD(L)
C809
0.47
C808
0.47
99
17.4. Panel and Power Button Circuit
B
B
TO
MAIN CIRCUIT
(CN203)
IN SCHEMATIC
DIAGRAM - 12
MAIN CIRCUIT
(CN203)
IN SCHEMATIC
DIAGRAM - 12
1
17
C
PANEL CIRCUIT
D
POWER BUTTON CIRCUIT
SCHEMATIC DIAGRAM - 15
SA-XH70EE/GW PANEL / POWER BUTTON CIRCUIT
: +B SIGNAL LINE
: -B SIGNAL LINE
: +B SIGNAL LINE
: USB SIGNAL LINE
A
TO
BACKEND CIRCUIT
(FP9001)
IN SCHEMATIC
DIAGRAM - 1
BACKEND CIRCUIT
(FP9001)
IN SCHEMATIC
DIAGRAM - 1
A
B
C
D
E
F
G
H
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
A
B
D
E
F
H
G
C
C915
50V22
P13
P15
P14
P6
P5
P7
P2
P1
P4
P3
P10
P12
P11
P8
P9
C913
50V22
22K
R923
P8
P7
P9
G5
G3
G4
P6
G8
G7
G5
G4
G8
G6
G7
G1
P1
G2
G3
P4
P5
P2
P3
G9
C912
0.01
G9
G6
82K
R905
21
5
6
3
1
2
4
19
9
7
8
16 17
11
10
12
15
14
13
18
20
35
37
42
44 43
39 38
41 40
36
33
22
31
29
27
24
23
26
25
28
30
32
34
IC901
C0HBB0000057
G2
P16
G1
31
2
8
26
21
23
22
19
20
25
24
28
29
27
12
13
10
14
16
15
7
32
FL901
A2BB00000175
68
R901
68
R904
R903
68
P14
P13
P16
P15
P11
P10
P12
6.3V100
C905
0.1
C909
C903
0.1
C908
1
1
3
2
H902
R924
10
DZ2J02400L
D901
C931
10
3.3V
6
5
8
9
11
12
10
14
15
13
7
2
1
4
3
17
16
CN901
F-
B3RAB0000081
Z901
REMOTE CONTROL SENSOR
F-
P3
P1
P11
P12
P10
G2
G3
G1
F+
F+
G6
G7
G4
G5
NP
G8
G9
NC
P15
P16
P13
P14
P9
P5
P6
P4
P8
P7
NP
P2
[23] P9
STB
[11] K2
DIN
DOUT
CLK
P6
P7
P4
P5
P12
P17
P16
K1
GND
VCC
P18
P13
P15
P14
P10
P11
P8
P1
P2
G1
G3
P3
-VP
NC
GND
G9
G8
G10
VCC
NC
[1] USB RIP LED
G5
G4
[34] G2
G7
G6
NC
OSC
RMT
RMT
VREF
VREF
DGND
-VP
AGND
MPORT_RCH
FL+
FL+
FL+
VREF
FL-
FL-
FL-
VREF_LED
KEY1
DGND
AGND
FL_IC_STB
FL_IC_STB
FL_IC_STB
LED_CTRL
3.3V
3.3V
FL_IC_CLK
FL_IC_DAT
FL_IC_DAT
FL_IC_DAT
RMT
MPORT_LCH
KEY1
KEY2
1
4
5
6
9
11
17
18
RMT
GND
VCC
R922
47
FL DISPLAY DRIVER
FL DISPLAY
K960...EE/GW
0
S902
1
3
2
H901
DGND
POWER
KEY1
VREF_LED
R913
1.2K
S905
S906
S901
R914
18K
R908
1.2K
VOLUME+
OPEN/CLOSE
VOLUME-
0
K955
NOTE: “ * ” REF IS FOR INDICATION ONLY
D-
D+
2
5
G
1
4
6
G
3
D+
D-
DGND
VBUS
CN950
USB PORT
LB951
0
LB950
0
R950
0
0
R951
R952
0
CHASSIS
CN951*
4
3
5
1
2
D+
D-
VBUS
DGND
DGND
D-
D+
G2
2
1
3
G1
100
17.5. 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
E
SMPS CIRCUIT
SCHEMATIC DIAGRAM - 16
SA-XH70EE/GW SMPS CIRCUIT
2/2
1/2
TO SMPS
CIRCUIT (2/2)
1
2
3
4
: +B SIGNAL LINE
: -B SIGNAL LINE
B
TO
MAIN CIRCUIT
(CN100)
IN SCHEMATIC
DIAGRAM - 13
MAIN CIRCUIT
(CN100)
IN SCHEMATIC
DIAGRAM - 13
D2908
B0EAMM000057
DZ2J36000L
D2901
Q2900
B1BABK000001
4.7K
R2900
C2900
16V33
5
3
4
8
7
6
2
1
9
T2900
G4D1A0000142
SWITCHING TRANSFORMER
47
R2902
POWER SAVE CONTROL
C2902
5600P
47K
R2914
DZ2J24000L
D2909
7
9
10
8
4
5
1
3
2
6
12
11
H2016*
B0EAMM000057
D2903
C2903
35V33
B0EAMM000057
D2906
C2912
6.3V100
R2908
10K
C2908
0.1
D2907
B0JCPG000028
L2900
G0A330G00016
25V100
C2907
16V820
C2906
R2907 3.9K
C5725
0.1
0
R2901
3.3
R2903
30K
R2906
R2905
4.7K
1K
R2909
4
2
1
3
5
C0DBAYH00005
+12V VOLTAGE REGULATOR
IC2900
15K
R5729
C5726
0.33
1
4
2
3
C0DBZMC00006
SHUNT REGULATOR
IC5702
R5731
39K
R5730
4.7K
R5817
0
C5727
1000P
1000P
R5735
1K
VIN
ADJ
R
C
NC
A
ON/OFF
VOUT GND
12V
-VP
GND
GND
PCONT
ECO_CNTRL
F-
DC_DET
F+
23.5V
23.5V
GND
NOTE: “ * ” REF IS FOR INDICATION ONLY
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