Lexmark C540 Service Manual - Page 208
Vdo_boost2 Shade B, V_panel+5 V
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5025-2xx, 4xx Controller board connectors (continued) Connector JOPP1 Operator panel connector JOPT1 Options I/F JPH1 Printhead flat cable connector Pin no. 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Signal I2C_DATA V_PANEL+5 V I2C_CLK Ground OP_IRQ_N +3.3 V dc Ground TXD_PP Ground Ground RXD_PP +24 V dc Ground +5V_OPTIONS S2 Ground Ground VDO_HSYNC1_C VDO_PH_OK VDO_HSYNC0 VDO_LEN0 VDO_BOOST3 -3.3 V dc VDO_BOOST1 _5V_PH VDO_BOOST2 (Shade B) +5_PH VDO_BOOST0 Ground D_VDO_7+ D_VDO_7- Ground D_VDO_3+ D_VDO_3- Ground D_VDO_6+ D_VDO_6- Ground 5-6 Service Manual
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5-6
Service Manual
5025-2xx, 4xx
JOPP1
Operator panel connector
1
I2C_DATA
2
V_PANEL+5 V
3
I2C_CLK
4
Ground
5
OP_IRQ_N
6
+3.3 V dc
7
Ground
JOPT1
Options I/F
1
TXD_PP
2
Ground
3
Ground
4
RXD_PP
5
+24 V dc
6
Ground
7
+5V_OPTIONS
8
S2
9
Ground
10
Ground
JPH1
Printhead flat cable connector
1
VDO_HSYNC1_C
2
VDO_PH_OK
3
VDO_HSYNC0
4
VDO_LEN0
5
VDO_BOOST3
6
-3.3 V dc
7
VDO_BOOST1
8
_5V_PH
9
VDO_BOOST2 (Shade B)
10
+5_PH
11
VDO_BOOST0
12
Ground
13
D_VDO_7+
14
D_VDO_7–
15
Ground
16
D_VDO_3+
17
D_VDO_3–
18
Ground
19
D_VDO_6+
20
D_VDO_6–
21
Ground
Controller board connectors (continued)
Connector
Pin no.
Signal