Pioneer PDP-5050SX Service Manual page 68

1
DIGITAL VIDEO ASSY
CN5601 (D1)
A
No. Signal Name I/O
1 +12V
2 +12V
−
3 GND_VCC
−
4 GND_VCC
5 EXT_PD O
6 VSUS_ADJ O
7 PS_PD
8 RELAY O
9 DRF O
10 AC_DET
B
11 PD_TRIG_B
CN5602 (D2)
No. Signal Name I/O
1 VADR
2 VADR
−
3 N.C
−
4 GND_ADR
−
5 GND_ADR
6 +6.5V
C
−
7 GND_VCC
DIGITAL VIDEO ASSY
CN4201 (AKM1239)
Voltage
(V)
No. Signal Name
1 GND_D 0.0
2 GND_D 0.0
3 RXC- 2.3
4 RXC+ 2.3
5 GND_D 0.0
6 RX0- 2.3
D
7 RX0+ 2.3
8 GND_D 0.0
9 RX1- 2.3
10 RX1+ 2.3
11 GND_D 0.0
2.3
12 RX2-
13 RX2+ 2.3
14 GND_D 0.0
15 B_SDA 0.0/3.3
16 B_SCL 0.0/3.3
17 V+3VACTV 3.3
E
18 MTXD 0.0/3.3
19 MRXD 0.0/3.3
20 REQ 0.0/3.3
21 MR_ST_B 0.0
22 AC_OFF 0.0
23 HPD 5.0
24 DDC_+5V 5.0
25 FIELD 0.0
26 GND_D 0.0
27 DDC_SCL 0.0/5.0
28 DDC_SDA 0.0/5.0
F
29 GND_D 0.0
30 GND_D 0.0
31 GND_D 0.0
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1
2
Signal Description
I +12V power input
I +12V power input
GND
GND
Power down signal
VSUS adjustment signal
I Power-down detecting signal of POWER SUPPLY block
Relay control signal
Drive control signal
I Primary side power (AC) state output at panel side
I Power down trigger
Signal Description
I Address drive power (+61V) input
I Address drive power (+61V) input
Not connected
GND
GND
I +6.5V power input
GND
MAIN BOARD ASSY
CN7401 (AKM1239)
Signal Name No.
GND_D 1
GND
GND_D 2
GND
TXC- 3
DVI signal
TXC+ 4
DVI signal
GND_D 5
GND
TXC0- 6
DVI signal
TXC0+ 7
DVI signal
GND_D 8
GND
TXC1- 9
DVI signal
TXC1+ 10 DVI signal
GND_D 11 GND
TXC2- 12 DVI signal
TXC2+ 13 DVI signal
GND_D 14 GND
B_SDA 15 E2PROM control signal for backup
B_SCL 16 E2PROM control signal for backup
V+3VACTV 17 Power supply +3.3V output of module UCOM
MRXD 18 UART communication receive data to the main UCOM (external PC)
MTXD 19 UART communication transmission data from the main UCOM (external PC)
REQ 20 Communication request to the main UCOM (external PC)
MR_ST_B 21 Connection state detecting signal with MR
AC_OFF 22 Primary power supply (AC) state output at panel side
HPD 23 Hot plug detection
DDC_+5V 24 I2C power supply for DDC
FIELD 25 FIELD control signal
GND_D 26
DDC_SCL 27 I2C signal for DDC
DDC_SDA 28 I2C signal for DDC
GND_D 29
GND_D 30
GND_D 31
2
3
Signal Description
PDP-5050SX
3
4
Voltages at NTSC Signal Input
+12VDC
+12VDC
0VDC
0VDC
+3.3VDC
0VDC
+3.0VDC
+3.3VDC
Voltages at NTSC Signal Input
+61VDC
+61VDC
+6.8VDC
Voltages at NTSC Signal Input
DVI differential signal (-)
DVI differential signal (+)
DVI differential signal (-)
DVI differential signal (+)
DVI differential signal (-)
DVI differential signal (+)
DVI differential signal (-)
DVI differential signal (+)
0-3.3V amplitude square wave
0-3.3V amplitude square wave
+3.3VDC
0-3.3V amplitude square wave
0-3.3V amplitude square wave
0-3.3V amplitude square wave
0VDC
0VDC
+5VDC
+5VDC
0VDC
0-5V amplitude square wave
0-5V amplitude square wave
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