Panasonic SA-XH155EE / SA-XH155GS / SC-XH155EE-K Service Manual ▷ View online
113
17.2. Backend Circuit
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
D
B
E
G
H
F
A
BACKEND CIRCUIT
SCHEMATIC DIAGRAM - 1
SA-XH155EE/GS BACKEND
CIRCUIT
2/6
3/6
5/6
1/6
4/6
6/6
TO BACKEND
CIRCUIT (2/6)
TO BACKEND
CIRCUIT (4/6)
CIRCUIT (4/6)
P1
P1
B
TO
MAIN CIRCUIT
(CN2010*)
IN SCHEMATIC
DIAGRAM - 14
MAIN CIRCUIT
(CN2010*)
IN SCHEMATIC
DIAGRAM - 14
: USB SIGNAL LINE
: HDMI/OPTICAL/AUX/MIC/TUNER AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: CD/DVD AUDIO INPUT SIGNAL LINE
: CD/DVD VIDEO INPUT SIGNAL LINE
: +B SIGNAL LINE
: VIDEO OUTPUT SIGNAL LINE
R9002
0
R9001
0
0
LB9002
2
3
1
5
4
FP9001
LB9003
0
C9006
0.1
USB_OC
VBUS_EN
USB_DN
PW_USB_5V
USB_DP
3
1
2
4
5
IC9006
C0DBZYY00311
HIGH SIDE SWITCH
/OC
EN
VOUT
VIN
GND
D+
DGND
DGND
D-
DGND
VBUS
R8322
75
K8003
0
K8008
0
LB8317
0
3
1
2
D8301
DA3X101F0L
CVBS_C
VGND
3
1
2
D8304
DA3X101F0L
Y_R_VOUT
LB8315
0
(OPTICAL)
DIGITAL AUDIO IN
3
1
2
D8303
DA3X101F0L
C_B_VOUT
LB8316
0
G_Y_VOUT
LB8318
0
75
R8321
3
1
2
D8302
DA3X101F0L
L8001
G1C100M00049
2
3
1
JK8001
R8025
0
C8030
6.3V33
D+3R3V
OPT_IN
VCC
GND
OPT-IN
VDDDAC
75
R8323
75
R8324
LB8304
0
L2802
2
1
JK8301
VIDEO OUT
C2823
100P
J0JBC0000015
0
R8325
VIDEO (YEL)
VGND
R8326
0
114
15
16
17
18
19
20
21
22
23
24
25
26
27
28
A
BACKEND CIRCUIT
SCHEMATIC DIAGRAM - 2
SA-XH155EE/GS BACKEND
CIRCUIT
2/6
3/6
5/6
1/6
4/6
6/6
TO BACKEND
CIRCUIT (1/6)
CIRCUIT (1/6)
TO BACKEND
CIRCUIT (3/6)
TO BACKEND
CIRCUIT (5/6)
CIRCUIT (5/6)
P1
P1
: USB SIGNAL LINE
: HDMI/OPTICAL/AUX/MIC/TUNER AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: CD/DVD AUDIO INPUT SIGNAL LINE
: CD/DVD VIDEO INPUT SIGNAL LINE
: +B SIGNAL LINE
: VIDEO OUTPUT SIGNAL LINE
1
2
5
6
3
4
C0JBAB000986
INVERTER
IC3953
C3967
0.1
100K
R3900
27K
R3959
0.1
C3972
R3958
10K
LB3909
J0JHC0000045
C3971
0.1
100
R3956
0.1
C3958
R3908
10K
R3955
51
C3970
1
LB3907
J0JCC0000308
R8016
100
6
7
5
2
4
3
8
1
C0JBAR000433
MULTIPLEXER
IC3954
1
C3968
2K
R3905
4.7K
R3906
R3907
2K
4.7K
R3904
S
D
G
Q3902
B1CFHA000002
S
D
G
Q3903
B1CFHA000002
LEVEL SHIFTER
LEVEL SHIFTER
0.01
C3955
K3904
0
10K
R3947
3
1
2
4
5
IC3952
C0CBCDC00063
VOLTAGE REGULATOR
C3954
0.1
1
C3956
OPT_IN
B
/Y
1Y
A
/ST
VCC
GND
2Y
Y
SELECT
1A
2A
VCC
GND
IN
OUT
GND
VC
NOISE
BYPASS
BYPASS
GPIO34
SPDIF_SW
DDCDAT
DDCCLK
M+9V
0.01
C3945
LB3906
J0JCC0000042
0
K3903
0
K3901
0
K3902
LB3903
LB3904
LB3905
J0JCC0000042
J0JCC0000042
J0JCC0000042
G3
G4
G1
G2
5
3
4
7
9
8
6
1
2
10
13
15
17
19
18
16
14
11
12
P3901
HDMI AV OUT
(ARC)
100K
R3950
CEC_IN_OUT
PW_VREF
R3903
10K
S
D
G
Q3904
B1CFHA000002
SWITCH
VDDP_HDMI
220
R3942
10K
R3949
C3944
0.1
Q3901
B1ABDF000026
SWITCH
10K
R3902
HOTPLUG
D2GND
FRAME
D1GND
CEC
CLK-
CLK-
D0GND
D1+
D1+
+5V
D0+
D0+
D0-
D0-
CLK+
CLK+
HOTPLG
CLKGND
CECGND
D2-
D2-
HDMISDA
HDMI_ARC
D2+
D2+
D1-
D1-
HDMISCL
LB8302
J0JCC0000308
115
29
30
31
32
33
34
35
36
37
38
39
40
41
42
A
C
D
B
E
G
H
F
A
BACKEND CIRCUIT
SCHEMATIC DIAGRAM - 3
SA-XH155EE/GS BACKEND
CIRCUIT
2/6
3/6
5/6
1/6
4/6
6/6
TO BACKEND
CIRCUIT (2/6)
CIRCUIT (2/6)
TO BACKEND
CIRCUIT (6/6)
CIRCUIT (6/6)
P1
P1
: USB SIGNAL LINE
: HDMI/OPTICAL/AUX/MIC/TUNER AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: CD/DVD AUDIO INPUT SIGNAL LINE
: CD/DVD VIDEO INPUT SIGNAL LINE
: +B SIGNAL LINE
: VIDEO OUTPUT SIGNAL LINE
L8401
G1C100M00049
220
R8622
R8621
220K
C8401
6.3V220
C8033
0.1
1K
R8601
I2S_BIT
I2S_LR
C8301
6.3V100
6.3V100
6.3V100
J0JHC0000045
LB8301
J0JHC0000045
LB3901
C3902
C3901
C8009
0.1
0.1
C8023
0.1
C8021
R8050
15.4K
VDD_AFE
C8010
0.1
R8653
22
SF_DO
CLK_SF
L8552
G1C100M00049
C8566
0.1
C8016
SF_DI
SF_CS
R8411
6.19K
C8018
0.1
C8032
0.1
C8017
0.1
VC
DVD_MD
DVD_LD
CD_LD
CD_MD
DUPRDO
DUPTDO
RF_F
10K
R8010
6.3V100
6.3V100
C8302
L8302
G1C100M00049
C8528
1
DRVSB
R8402
4
2
1
3
D1H456020001
RX8402
0
100
J0JCC0000308
LB8401
I2S_AOUT1
I2S_AOUT2
0.1
C8014
I2S_MASTER
I2S_AOUT0
R8401
J0JHC0000045
LB3910
C8007
0.1
C8034
0.1
C8006
100P
C8028
0.01
C8029
1000P
R3910
10
C8008
0.1
C8003
0.1
R3901
402
G_Y_VOUT
CVBS_C
LB3902
J0JHC0000045
VGND
0.1
C8020
RFIN_P
C8512
1000P
0.1
C8019
C8511
1000P
RF_A
RF_C
RF_E
RF_D
RF_B
Y_R_VOUT
C_B_VOUT
R8311
K8301
0
392
103
107
106
110
113
119
118
124
127
128
125
126
121
120
123
122
115
114
117
116
111
112
108
109
104
105
61
62
12 11
14
15
13
18
19
16
17
9
5
7
6
3
1
2
4
8
10
57
26
28
29
27
22 21
24
25
23
45
47
46
42
43
40
39
41
44
37
38
34 33
35
31 30
32
36
55
56
51
52
49
48
50
54
53
20
60
59
58
95
94
100
99
102
101
96
98
97
64
63
85
84
87
86
83
80 81
76
68 69
65
67
66
73
75
74
70
72
71
78
77
79
82
91
93
92
89
88
90
IC8001
C1AB00003477
DVD DECODER
H0J270500131
X8621
C8621
10P
C8622
8P
R8569
1K
1000P
C8024
RESET
J0JHC0000045
LB9001
GND
TRV_PWM
SPN_PWM
TRK_PWM
FOC_PWM
8
6
5
7
4
2
2
1
3
D1H88204A043
RX8012
8
6
5
7
4
1
3
D1H88204A043
RX8019
8
6
5
7
4
1
3
D1H88204A043
RX8018
8
6
5
7
4
2
2
2
2
2
2
2
1
3
D1H88204A043
RX8013
8
6
5
7
4
1
3
D1H88204A043
RX8015
8
6
5
7
4
1
3
D1H88204A043
RX8011
22
R8011
8
6
5
7
4
1
3
D1H88204A043
RX8016
8
6
5
7
4
1
3
RX8014
D1H88204A043
MDQ_12
MDQ_3
MDQ_6
MDQ_11
MDQ_5
MDQ_4
MDQ_10
MDQ_14
MDQ_13
MDQ_2
MA_3
MA_4
CLK_SDRAM
MDQ_9
MDQ_8
MDQ_7
MA_0
MA_10
RAMBA0
MA_11
CSO
NRAS
NCSM
MA_9
MA_8
MA_1
MA_2
MA_5
MA_6
MA_7
DQM1
NCAS
NWE
MDQ_15
MDQ_1
MDQ_0
VDD_SDRAM
LB8051
J0JHC0000045
8
6
5
7
4
1
3
D1H88204A043
RX8017
6.3V100
C8058
4
2
1
3
RX8401
D1H456020001
C8011
6.3V220
I2S_AOUT3
100
R8404
0.1
C8022
D+3R3V
VDD1R8V
LB8011
J0JHC0000045
4V330
C8001
LB8001
J0JHC0000045
USB_DN
USB_DP
UART_TX
UART_RX
MIC_IN
AMUTE
HOTPLUG
DGND
DOWNLOAD
INNER_SW
CLK-
D1+
D0+
D0-
CLK+
D2-
D2+
D1-
D
DQ13
DQ3
DQ6
DQ5
DQ8
RAS
DQM
CAS
WE#
DQ9
DQ7
MA8
MA9
MA0
DQ4
F
K
RF_K
DQ12
VDDP
SFDI
SFCS
GPIO34
GNDC
GPIO34
I2S_IN
DUPRDI
DUPTDI
VDDC
VDD_PWM
GPIO39
GPIO37
DUPRDI
DUPRDO
GPIO55
TRK_DRV
TRV_DRV
SPN_DRV
SFDO
[102] AIN2/DUPRD1
VREF
VC
CD_MD
VDD_AFE
DVD_LD
AUD_IN
FOC_DRV
CD_LD
DVD_MD
GND_AFE
RESLOAD
MA10
MA11
CS0#
RAMBA0
CS#1
[127] MA7
XO
SFCLK
XI
MA2
VDDC
GNDA
MA3
MA5
MA4
USBREF
VDDPLL
MA1
MA6
[128] GNDC
USB_DN
USBVDDPLL
RESET#
USB_DP
USB_VDD
VDDP
[101] GPIO6/DUPTD1
DQ11
VDDPCLK
DQ10
PCLK
GNDPCLK
VDDP
J
RF_J
E
[39] GNDC
AOUT3
VDDA
RSET
RFP
[64] GNDC
VDDP
TXCN
TXCP
LRCK
MCLK
DDCDAT
DDCDAT
DDCCLK
DDCCLK
SPIDIF_OUT
TXD0P
TXD0N
CP_IC RESET
BCLK
AOUT1
[40] AOUT2
AOUT0
[63] DAC3
VDDC
DAC4
DAC1
DAC2
VDDDAC
VDDDAC
TXD1P
TXD1N
TXD2P
TXD2N
VDDC1V8_HDMI
VDDP_HDMI
VDDP_HDMI
TXREXT
DQ2
C
DQ0
DQ15
VDDC
DQ14
DQ1
RFN
VDDAFE
B
A
VDDAFE
0.1
C8027
0.1
C8012
0.1
C8002
0.1
C8013
116
I
1
2
3
4
5
6
7
8
9
10
11
12
13
14
K
L
J
M
O
P
N
A
BACKEND CIRCUIT
SCHEMATIC DIAGRAM - 4
SA-XH155EE/GS BACKEND
CIRCUIT
2/6
3/6
5/6
1/6
4/6
6/6
TO BACKEND
CIRCUIT (5/6)
TO BACKEND
CIRCUIT (1/6)
CIRCUIT (1/6)
P1
P1
: USB SIGNAL LINE
: HDMI/OPTICAL/AUX/MIC/TUNER AUDIO INPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE
: CD/DVD AUDIO INPUT SIGNAL LINE
: CD/DVD VIDEO INPUT SIGNAL LINE
: +B SIGNAL LINE
: VIDEO OUTPUT SIGNAL LINE
C8121
0.1
J0JHC0000045
LB8121
2
3
1
5
4
FP8002
2
3
1
5
4
FP8001
DUPTDO
DUPRDO
DUPRDI
DUPRDI
DGND
DGND
DUPTDI
DUPTDI
DGND
DUPRDO
DUPTDO
VDD_3R3V
DOWNLOAD
DOWNLOAD
VDD_3R3V
R8101
1.47K
470P
C8114
C8113
4.7
6
7
T1
5
2
4
3
8
ThermalPad
1
C0DBZYY00018
VOLTAGE REGULATOR
IC8112
C8101
4.7
4
2
1
3
5
C0DBEHG00006
VOLTAGE REGULATOR
IC8111
R8102
1K
4.7
C8151
C8111
10
B0ECKP000002
D8101
B0ECKP000002
D8102
C8112
1
VDD1R8V
PW_DVD_D+5V
DGND
1.8V
NC
NC
CN
NC
CTL
GND
ADJ
VCC
3.3V
VCC
CTL
GND
K8252
0
2
3
1
5
4
FP8252
LB8012
0
2
4
3
1
6
5
FP8251
TO TRAVERSE PCB
(DVD MECHANISM UNIT BRS1D)
(DVD MECHANISM UNIT BRS1D)
TO LOADING PCB
(DVD MECHANISM UNIT BRS1D)
(DVD MECHANISM UNIT BRS1D)
FOR FIRMWARE
DOWNLOAD
DOWNLOAD
FOR FIRMWARE
DEBUG
DEBUG
R8267
1K
0.1
C8264
R8266
1K
R8268
33K
FOC_DRV
GND
D+3R3V
6.19K
R8258
1K
R8265
R8263
4.7K
0.1
C8256
2
1
27
5
4
24
25
22
17
19
18
15
16
30
20
21
7
11
10
13
14
12
8
29
9
23
6
3
26
28
C0GBY0000117
MOTOR DRIVER
IC8251
C8252
16V47
16V47
R8262
10K
R8261
10K
TRV_DRV
10K
R8259
R8260
10K
TRK_DRV
SPN_DRV
DRVSB
K8251
0
L8251
J0JHC0000117
FWD
J0JHC0000117
L8252
1K
R8264
6.3V100
C8251
M+9V
PW_USB_5V
MGND
LD+
LD-
OPEN_SW
CLOSE_SW
CLOSE_SW
REV
VINFC
MUTE
FWD
REV
VOLD+
TRB1
VINSL
TRB2
VOFC-
VOSL+
VOSL-
VCC(9V)
VOFC+
VOLD-
REG01
VOTK-
VOSP+
VOSP-
VOTK+
NC
NC
GND
VINSP
VCTL
GND(FIN)
PVCC
GND(FIN)
BIAS
VINTK
REG02
T-
F+
F-
TR-
TR-
TR-
TR+
TR+
TR+
T+
SP-
SP+
DGND
LD+
LD-
LD+
LD-
DGND
CLOSE_SW
OPEN_SW
OPEN_SW
INNER_SW
INNER_SW
3
1
2
D8251
DA3X103E0L
C8263
0.1
VDD_AFE
R8256
2K
2K
R8255
R8254
2.2
R8253
2.2
RF_K
RF_J
CL8101
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