Panasonic SA-PT480PH Service Manual page 119

1 2 3
SCHEMATIC DIAGRAM - 7
A
A
MAIN(HDMI) CIRCUIT
DGND
DV
B
SRCK
DV SRCK
AUDIODIGITAL
DV AUDIODIGITAL
LRCK
DV LRCK
AOUT0
DV AOUT0
AOUT2
AOUT2
DV
AOUT1
AOUT1
DV
C DMIXOUT
DV DMIXOUT
65
ADAC-CLK
DV ADAC-CLK
66
67
68
D+3R3V
69
DV PW_D+3R3V
70
C3917
71
LB3901 1
72
J0JHC0000045
73
74
C3915
75
1
76
77
D 78
LB3908 79
J0JHC0000045
NSW1R2V 80
DV PW_NSW1R2V
81
82
C3906
C3913 83
4V330
0.1
84
C3922
85
0.1
86
VOUT7
DV VOUT7 87
VOUT6
DV VOUT6 88
VOUT5
89
DV VOUT5
VOUT4
VOUT4 90
DV
91
VOUT3
E
DV VOUT3 92
VOUT2
DV VOUT2 93
VOUT1
DV VOUT1 94
VOUT0
VOUT0 95
DV
96
F
DV: MAIN(DV5U): SCHEMATIC DIAGRAM - 1 ~ 6
HD: MAIN(HDMI): SCHEMATIC DIAGRAM - 7
MA: MAIN(MICON): SCHEMATIC DIAGRAM - 8 ~ 13
TXRST
G
DV TXRST
OSC27M
DV OSC27M
I2C_SCL
I2C_SCL 4 3
DV
I2C_SDA
I2C_SDA 2 1
DV
RX3901
D1H410120001
VCLK
DV CKGVCLK
HOTPLG
DV HOTPLG
M+9V
MA DV PW_M+9V
H
1 2 3
4 5 6
: +B SIGNAL LINE : HDMI AUDIO INPUT SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
LB3907 J0JHC0000045
C3904
4V330
LB3902 J0JHC0000045
C3902
C3914 C3910 C3924
4V330
0.1 0.1 1
C3907
0.1
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
32
D22
31
D21 30
[65]NC
[32]NC
D20 NC 29
[31]NC
D19 VDD33 28
[30]NC
VDD33 VSS 27
D18 VDD12 26
D17 AVDD 25
VSS TX2P 24
D16 AVSS 23
VDD12 TX2M 22
D15 AVDD 21
D14 TX1P 20
D13 AVSS 19
IC3901
VSS TX1M 18
MN864702A
D12 AVDD 17
HDMI TRANSMITTER
D11 TXOP 16
D10 AVSS 15
D9 TX0M 14
VDD33 AVDD 13
VDD12 TXCP 12
D8 AVSS 11
D7 TXCM 10
D6 PVDD1
9
R3901 510
D5 EXT_SWING 8
D4 PVSS1 7
VSS NC 6
D3 VDD12 5
D2 NC 4
[1]NC
[96]NC
D1 NC
3
D0 NC 2
1
97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128
R3921
0
4 5 6
7 8 9
: VIDEO OUTPUT SIGNAL LINE
1 4
L3903
G1BYYYC00026
2 3
1 4
C3911
L3904
1
G1BYYYC00026
2 3
C3940
0.1
1 4
C3929 L3905
0.1 G1BYYYC00026
2 3
1 4
C3930
L3906
1 G1BYYYC00026
2 3
C3926
0.1
C3932
D3901
C3928 B0JCCE000008
0.1
R3902
10K
C3923
1
Q3901
B1ABDF000026
SWITCH
R3903
10K
R3905
Q3902
2.2K
B1CFHA000002
LEVEL SHIFTER D
G
K3905 S
R3904
0
4.7K
R3907
2.2K
Q3903
B1CFHA000002
C3966
1
LEVEL SHIFTER D
G
S
R3906
4.7K
R3952
IC3952
51
C0CBCDC00063
VOLTAGE REGULATOR
3 4
C3955
0.01
2
R3947
10K
1 5
K3903
0
7 8 9
119
10 11 12
C3931
0.1 G4 G3
1
D2+
2 D2GND
D2-
3
4 D1+
5 D1GND
6 D1-
7 D0+
8 D0GND
9 D0-
10 CLK+
11 CLKGND
12 CLK-
LB3903 J0JCC0000042
13 CEC
14 ARC
LB3904 J0JCC0000042
15
HDMISCL
LB3905 J0JCC0000042
16 HDMISDA
17 CECGND
18 +5V
LB3906 J0JCC0000042
19
HOTPLG
Q3904
D
G1 G2
B1CFHA000002
G
SWITCH
S
R3942
220
CEC_IN_OUT
PW_VREF
C3944 R3950 R3949
0.1 100K 10K
K3908 0
K3906 0
C3968
C3971 1
0.1
IC3953
C0JBAB000986
LB3909
INVERTER J0JHC0000045
R3958
10K
1 1A 1Y 6
C3972
2 GND VCC 5
0.1
R3956
100
ARC
3 2A 2Y 4
C3967 C3970
R3900
0.1 1
100K R3955
51
SA-PT480PH MAIN(HDMI)
10 11 12
13 14
A
B
C
P3901
HDMI
(AV OUT)
D
E
CEC_IN_OUT MA
PW_VREF
MA
ADGND DV
F
G
ARC DV
CIRCUIT
H
13 14