Philips 26MD257B/37 Service Manual page 135

Scaler Board Schematic Diagram-HDMI INPUT
1 2
CON700
20
TH1
ARX2+
1
D2+
A 22 2
TH3 D2 Shield
3 ARX2-
D2-
4 ARX1+
D1+
5
D1 Shield
ARX1-
6
D1-
ARX0+
7
D0+
8
D0 Shield
9 ARX0-
D0-
10 ARXC+
CK+
11
CK Shield
ARXC-
12
CK-
CE_1
13
CE Remote
14
NC
15 SCL_1 R703 100R 1/10W 5% SCL1
DDC CLK
16 SDA_1 R702 100R 1/10W 5% SDA1
DDC DATA
17 D703BAS32L
GND
PWR5V_0 AIN1_5V
23 18 1 2
TH4 +5V A K
19
HP DET
21
TH2
5300-519-031-E2
HDMI 1 INPUT
B
PWR5V_0
+5V_SW
D704 BAS32L
1 2
A K
FB700 600R/500mA
AIN1_5V
1 2
C705 C707
100N 16V C706 100N 16V
100N 16V
R710 R694 R695
U701 M24C02-WMN6TP R716
C
33R 1/10W
1 8
NC/NC/NC/E0/E0 VCC
GPIO_8
2 7
NC/NC/E1/E1/E1 WC
3 6 SCL1
NC/E2/E2/E2/E2 SCL
4 5 SDA1
VSS SDA
GPIO_8(HDMI DDC EEPROM write control):
TP696
write_enable: Low
HDMI 1 EDID EEPROM
write_disable: High
D
CON701
20
TH1
BRX2+
1
D2+
22 2
TH3 D2 Shield
3 BRX2-
D2-
4 BRX1+
D1+
5
D1 Shield
BRX1-
6
D1-
BRX0+
7
D0+
8
D0 Shield
9 BRX0-
D0-
10 BRXC+
CK+
11
CK Shield
BRXC-
12
CK-
CE_2
13
CE Remote
14
NC
15 SCL_2 R708 100R 1/10W 5% SCL2
E
DDC CLK
16 SDA_2 R707 100R 1/10W 5% SDA2
DDC DATA
D702 BAS32L
17
GND
PWR5V_1 AIN2_5V
23 18 1 2
TH4 +5V A K
19
HP DET
21
TH2
5300-519-031-E2
HDMI 2 INPUT
PWR5V_1
F
+5V_SW
D705 BAS32L
1 2
A K
FB701 600R/500mA
AIN2_5V
1 2
C702
100N 16V C703 C704 R711
100N 16V 100N 16V R696 R697
U702 M24C02-WMN6TP R717
33R 1/10W
1 8
NC/NC/NC/E0/E0 VCC
2 7 GPIO_8
NC/NC/E1/E1/E1 WC
3 6 SCL2
NC/E2/E2/E2/E2 SCL
4 5 SDA2
VSS SDA
G
TP698
HDMI 2 EDID EEPROM
H
1 2
3 4
FOR 26" HDMI BYPASS HDMI SWITCH
R679 NC/0R05 1/16W R683 NC/0R05 1/16W
BRX2+ IN_RX2+ BRX0+
R680 NC/0R05 1/16W R757 NC/0R05 1/16W
BRX2- IN_RX2- BRX0-
R681 NC/0R05 1/16W R758 NC/0R05 1/16W
BRX1+ IN_RX1+ BRXC+
R682 NC/0R05 1/16W R759 NC/0R05 1/16W
BRX1- IN_RX1- BRXC-
R756 NC/0R05 1/10W R755 NC/100R 1/10W
R721 HPD2 HPD_SINK PWR5V_1
22R 1/10W
Q700 R719 HPD1
2
BC847C
10K 1/10W R660 NC/0R05 1/8W
C708
10N 50V
Q704
DV33
6
D D
5
D D
4
S G
SI3441BDV
C720
47U/25V R662
R706
CE_1 0R05 1/10W CE_2 4K7 1/10W
DV33_TMDS
U700
DV33_TMDS
R723 61
VCC
0R05 1/10W
HPD2
62
HPD2
SDA2 63
SDA2
SCL2
64
SCL2
65
GND
66
GND
BRXC-
67
B21
BRXC+
68
A21
69
VCC
BRX0-
70
B22
BRX0+
71
A22
72
GND
BRX1-
73
B23
BRX1+ 74
A23
75
VCC
BRX2-
76
B24
BRX2+ 77
A24
78
GND
R722 R724
79
VCC
0R05 1/10W
HPD1 80
HPD1
22R 1/10W
R720
Q701 HPD2
2
BC847C
10K 1/10W
C709
10N 50V
R688 330R 1/10W
PWR5V_0
PWR5V_1
R687 330R 1/10W
3 4
7.Circuit Diagrams and PWB Layouts
5 6 7
S-13
IN_RX0+
R684 NC/0R05 1/10W
SDA2 SDA_SINK
IN_RX0-
IN_RXC+ SCL2 SCL_SINK
R685 NC/0R05 1/10W
IN_RXC-
I2C LEVEL SHIFTER
PWR5V
TMDS341_PWR_EN(GPIO_9):
VCC Enable: Low
VCC Disable: High
FB703
DV33_TMDS
1
2 1 2 1 TP701
3
220R/2000mA
R761
TMDS341_ENABLE(GPIO_11):
100R 1/10W
Output Enable: Low
TMDS341_PWR_EN Output Disable: High
R712 100R 1/10W
R709
NC/4K7 1/10W 1%
DV33_TMDS
HPD_SINK(GPIO_2):
Hot plug detect:High
No detect:Low
DV33_TMDS
R713 1K 1/10W
40 HPD_SINK
HPD_SINK
R692
0R05 1/10W
39
SDA_SINK
38
SCL_SINK
R693
37 0R05 1/10W
GND
36
GND
35 IN_RXC-
Z1
34 IN_RXC+
Y1
33
VCC
32 IN_RX0-
TMDS341
Z2
31 IN_RX0+
Y2
30
GND
29 IN_RX1-
Z3
28 IN_RX1+
Y3
27
VCC
26 IN_RX2-
Z4
IN_RX2+
25
Y4
24
GND
23 DV33_TMDS
S3
R691 4K7 1/10W
22
S2
TMDS341OUT_SEL
21
S1
R690 100R 1/10W
R715
4K7 1/10W
R714 DV33_TMDS
+5V_SW
R686
1K 1/10W
U703 TMDS341OUT_SEL(GPIO_16):
TS5A3157DCKRE4 R689 100R 1/10W
HDMI1 POWER5V: High
1 6 TMDS341OUT_SEL
NO IN
HDMI2 POWER5V: Low
2 5
GND V+
PWR5V
3 4
NC COM
R701 100R 1/10W
C721 TMDS341OUT_SEL
0.1uF/25V
TP700
H
NO HDMI1
L NC HDMI2
5 6 7
8 9
+5V_SW
1,2,12,14,15,16,17 +5V_SW
DV33
2,3,4,5,6,7,11,14,16 DV33
AGND_HDMI
1,2,3,4,5,6,7,8,9,10,11,12,14,15,16,17 AGND_HDMI
SDA_SINK
5 SDA_SINK
SCL_SINK
5 SCL_SINK
SIF INTERFACE
IN_RXC+
5 IN_RXC+
IN_RXC-
5 IN_RXC-
IN_RX0+
5 IN_RX0+
IN_RX0-
5 IN_RX0-
IN_RX1+
5 IN_RX1+
IN_RX1-
5 IN_RX1-
IN_RX2+
5 IN_RX2+
IN_RX2-
5 IN_RX2-
HPD_SINK
5 HPD_SINK
PWR5V
5 PWR5V
HDMI VIDEO INPUT
GPIO_8
5 GPIO_8
TMDS341_ENABLE
5 TMDS341_ENABLE
TMDS341OUT_SEL
5 TMDS341OUT_SEL
TMDS341_PWR_EN
5 TMDS341_PWR_EN
NC/EGA10603V05A1-B ZD710
ARX2+ 1 2
NC/EGA10603V05A1-B ZD711
ARX2-
1 2
NC/EGA10603V05A1-B ZD712
ARX1+ 1 2
NC/EGA10603V05A1-B ZD713
ARX1- 1 2
NC/EGA10603V05A1-B ZD714
ARX0+
1 2
NC/EGA10603V05A1-B ZD715
ARX0- 1 2
SDA_SINK
SCL_SINK NC/EGA10603V05A1-B ZD690
ARXC+ 1 2
NC/EGA10603V05A1-B ZD691
ARXC-
1 2
SCL_1
SDA_1
NC/EGA10603V05A1-B ZD692
BRX2+ 1 2
NC/EGA10603V05A1-B ZD693
BRX2-
1 2
NC/EGA10603V05A1-B ZD694
BRX1+ 1 2
NC/EGA10603V05A1-B ZD695
BRX1- 1 2
NC/EGA10603V05A1-B ZD696
BRX0+
1 2
NC/EGA10603V05A1-B ZD697
BRX0- 1 2
NC/EGA10603V05A1-B ZD698
BRXC+ 1 2
NC/EGA10603V05A1-B ZD699
BRXC-
1 2
SCL_2
SDA_2
ESD PROTECTER
8 9
TPM1.0U LA 33
10 11
A
CON700 A1 CON701 D1
C700 B2 C701 E2
C702 F1 C703 F2
C704 F2 C705 C1
C706 C1 C707 C2
C708 B3 C709 E3
B
C710 B5 C711 C4
C712 C4 C713 C4
C714 C5 C715 C5
C716 C5 C717 C5
C718 C5 C719 C5
C720 B4 C721 G5
D700 B2 D701 E2
D702 E2 D703 B2
D704 B1 D705 F1
FB700 C1 FB701 F1
FB703 B5 Q700 B3
Q701 E3 Q704 B5
R660 B5 R662 B5
R679 A4 R680 A4
R681 A4 R682 A4
R683 A5 R684 A6
R685 A6 R686 G5
R687 G5 R688 G5
R689 G5 R690 E6
R691 E6 R692 D7
R693 D7 R694 C2
C
R695 C2 R696 F2
R697 F2 R698 D7
R699 D7 R700 B2
R701 G5 R702 B2
R703 A2 R704 E2
R705 E2 R706 C3
R707 E2 R708 E2
R709 C6 R710 C2
R711 F2 R712 C6
R713 D6 R714 F6
R715 F6 R716 C2
R717 G2 R718 B2
R719 B3 R720 E3
R721 B3 R722 E3
R723 D4 R724 E4
R755 B5 R756 B4
R757 A5 R758 A5
R759 A5 R761 C5
TP685 A1 TP686 A1
TP687 A2 TP688 A2
TP689 A2 TP690 D1
D
TP691 D2 TP692 D2
TP693 D2 TP694 D2
TP695 A1 TP696 C2
TP697 D1 TP698 G2
TP699 G5 TP700 G6
TP701 B5 TP702 A2
TP703 D2 U700 C5
U701 C1 U702 G1
U703 G5 ZD690 D8
ZD691 D8 ZD692 E8
ZD693 E8 ZD694 E8
ZD695 E8 ZD696 E8
ZD697 E8 ZD698 F8
ZD699 F8 ZD700 B1
ZD701 B2 ZD702 B2
ZD703 B2 ZD704 B2
ZD705 E2 ZD706 E2
ZD707 E2 ZD708 E2
ZD709 E2 ZD710 C8
ZD711 C8 ZD712 C8
ZD713 C8 ZD714 C8
E
F
G
H
10 11