Philips LC7.1HE LA Service Manual page 3

Technical Specifications, Connections, and Chassis Overview
1.2 Connection Overview
Note: The following connector colour abbreviations are used
(acc. to DIN/IEC 757): Bk= Black, Bu= Blue, Gn= Green, Gy=
Grey, Rd= Red, Wh= White, and Ye= Yellow.
1.2.1 Rear Connections (top)
RJ12 DATA1 (HM-Link - In/Out)
1 - LED_in
2 - IR_in
3 - MODE
4 - TV Power Status 4.5 to 5 V: TV "On"
5 - Gnd
6 - IR_out
RJ45 DATA2 (Xpress Box - In/Out)
- +12 V
1
2 - Gnd
3 - H-sync
4 - V-sync
5 - TXD232
6 - RXD232
7 - SDA3_IR-OUT
8 - DCM-POR
9 - CVBSterr
10 - Gnd CVBSterr
Mini Jack: Speaker - Out
- Loudspeaker
AV
Figure 1-1 Rear I/O connections
< 0.3 V, active low
< 0.3 V, active low
Vcc
< 0.3 V: TV "Stdby"
High impedance: TV "Off"
Gnd
Signal
+12V/1W
Gnd
Signal
Signal
Signal
Signal
Signal
Signal
Signal
Gnd
8 ohm
Special tool needed Special tool needed Special tool needed Special tool needed
(order via BDS)
(order via BDS) (order via BDS) (order via BDS)
VGA: Video RGB - In
j
1 - Video Red
j
2 - Video Green
j
3 - Video Blue
4 - n.c.
5 - Ground
k
6 - Ground Red
H
7 - Ground Green
k
8 - Ground Blue
- +5V
9
10 - Ground Sync
k
11 - n.c.
H
12 - DDC_SDA
k
13 - H-sync
k
14 - V-sync
15 - DDC_SCL
k
Smart-card Interface: Data Video - In/Out (optional)
k
k
H
ok
1 - 3V3
2 - Ground power
3 - 12V
4 - Ground I
5 - IR data
LC7.1HE LA
RJ45 RJ45 RJ45 RJ45
RJ12 RJ12 RJ12 RJ12
CVI
H_17510_121.eps
1 5
10
6
15
11
E_06532_002.eps
050404
Figure 1-2 VGA Connector
0.7 V / 75 ohm
PP
0.7 V / 75 ohm
PP
0.7 V / 75 ohm
PP
Gnd
Gnd
Gnd
Gnd
+5 V
DC
Gnd
DDC data
0 - 5 V
0 - 5 V
DDC clock
17 32
1 16
E_06532_044.eps
Figure 1-3 Smart-card Connector
+3.3 V
Gnd
+12 V
2
C Gnd
Data
1. EN 3
170807
j
j
j
H
H
H
H
j
H
j
j
j
j
130807
k
H
j
H
j