Acer AT1945 Service Manual page 58

CN501
+5V_HDMI0
ZD501 UDZSNP5.6B
26 21
SHELL7 SHELL2
25 20 R516
SHELL6 SHELL1
19 100K OHM 1/10W
HP DET
18
+5V
17
GND
16
DDC DATA
15
DDC CLK
14
NC
13
CE Remote
12
CK-
24 11
SHELL5 CK Shield
10
CK+
9
D0-
8
D0 Shield
7
D0+
6
D1-
5
D1 Shield
4
D1+
3
D2-
23 2
SHELL4 D2 Shield
22 1
SHELL3 D2+
HDMI
PORT 0
+5V_HDMI1
ZD502 UDZSNP5.6B
CN502
21 R520
SHELL2
19 100K OHM 1/10W
HP DET
18
+5V
23 17
SHELL4 GND
16
DDC DATA
15
DDC CLK
PCB LAYOUT: PCB
14
NC
13
footprint for HDMI
CE Remote
12
connector should
CK-
11
CK Shield
support
10
CK+
connectors from 9
D0-
8
JAE, Molex, and
D0 Shield
7
Acon D0+
6
D1-
5
D1 Shield
4
D1+
22 3
SHELL3 D2-
2
D2 Shield
1
D2+
20
SHELL1
HDMI
PORT 1
ㄏノ
Acer 88T 340 19 H
CEC_A R529
0 OHM 1/10W
CEC 9,13
CEC_B R530
0 OHM 1/10W
HPD0_OUT R517 0 OHM 1/10W
HPD0 15
HPD1_OUT
R519 0 OHM 1/10W
HPD1 15
HPD0_OUT R543 NC
HPDIN 15,20
HPD1_OUT
R548 NC
HPDIN2 20
3/12 Modify
DSDA_0
D502
+5V_HDMI0
VPORT0603100KV05
3/12 Modify
R541
NC
R544
R542 Q507
NC NC
NC
HPD0_OUT
R545 0 OHM 1/10W
DSDA_0
DSCL_0
CEC_A
U503 RClamp0524P.TCT 1 L502 4 90 ohm
1 10
IN1 OUT1
2 9 2 3
IN2 OUT2
4 7 1 L503 4 90 ohm
IN3 OUT3
5 6
IN4 OUT4
2 3
U504 RClamp0524P.TCT 1 L504 4 90 ohm
1 10
IN1 OUT1
2 9 2 3
IN2 OUT2
4 7 1 L505 4 90 ohm
IN3 OUT3
5 6
IN4 OUT4
2 3
+5V_HDMI1
3/12 Modify
R546
NC
Q508 R549 NC
R547 NC
NC
R550 0 OHM 1/10W HPD1_OUT
HDMI1_SDA
HDMI1_SCL
CEC_B
U505 RClamp0524P.TCT 1 L506 4 90 ohm
1 10
IN1 OUT1
2 9 2 3
IN2 OUT2
4 7 1 L507 4 90 ohm
IN3 OUT3
5 6
IN4 OUT4
2 3
U506 RClamp0524P.TCT 1 L508 4 90 ohm
1 10
IN1 OUT1
2 9 2 3
IN2 OUT2
4 7 1 L509 4 90 ohm
IN3 OUT3
5 6
IN4 OUT4
2 3
DSCL_1 R537 HDMI1_SCL
0 OHM 1/10W
DSDA_1
R538 HDMI1_SDA
0 OHM 1/10W
58
DSCL_0
HPD0_OUT CEC_A
D503 D504 D505
VPORT0603100KV05 VPORT0603100KV05 VPORT0603100KV05
D501
HDMI_PLUGPWR0
3 BAT54C
DSDA_0 15
DSCL_0 15
RR0XC- 15
RR0XC+ 15
DSCL_0 R521 100 OHM 1/10W
DSDA_0 R522 100 OHM 1/10W
RR0X0- 15
RR0X0+ 15
R539 NC Q505 R528
MMBT3904 10K OHM 1/10W
RR0X1- 15
RR0X1+ 15
RR0X2- 15
RR0X2+ 15
D510
HDMI_PLUGPWR1
3 BAT54C
HDMI1_SCL R526 100 OHM 1/10W
HDMI1_SDA R527 100 OHM 1/10W
R540 NC Q506 R510
MMBT3904
RR1XC- 15
RR1XC+ 15
RR1X0- 15
RR1X0+ 15
Q502
HDMI1_SCL
NC/2N7002 SOT-23
RR1X1- 15
RR1X1+ 15
RR1X2- 15
Q503
RR1X2+ 15
HDMI1_SDA NC/2N7002 SOT-23
+5V
U508
R507 100K OHM 1/10W TS5A3157DCKRE4
1 6
+5V_HDMI1 NO IN
2 5
GND V+
R508 100K OHM 1/10W 3 4
+5V_HDMI0
NC COM
T P V ( Top Victory Electronics
絬 隔 瓜 絪 腹 T2848-C-X-X-1-071126
Key Component HDMI INPUT INTERFACE
Date Wednesday , March 26, 2008
DSDA_1 DSCL_1
HPD1_OUT
D506 D507 D508
VPORT0603100KV05 VPORT0603100KV05
VPORT0603100KV05
1
+5V_HDMI0
2
+5VSB
U501
8 1
VCC E0
7 2
WC E1
6 3
SCL E2
5 4
SDA VSS
M24C02-WDW6P
HDMIED_WP 3,20
1
+5V_HDMI1
2
+5VSB
U507
8 1
VCC E0
7 2
WC E1
6 3
SCL E2
5 4
SDA VSS
M24C02-WDW6P
10K OHM 1/10W
HDMIED_WP 3,20
R505 R503
NC NC
DSCL_1 15
DSDA_1 15
R501 1K OHM 1/10W
HDMI_SEL 15,20
HDMI_5V
LAYOUT: Place chokes and ESD clamps as close
as possible to HDMI connector.
100ohm differential impedance for TMDS traces.
Track TMDS traces straight under RClamp0524P.
Co . , Ltd. ) OEM MODEL 22PFL3403D/10 Size
TPV MODEL TV2268W-AED Rev
PCB NAME 715T2848-E
称爹
Sheet 14 of 21
CEC_B
Custom
1.0
<称爹>