Service manual

PinConnectionsandShortDescriptions
NC = not connected
LV = if not used, leave vacant
OBL = obligatory; connect as described in circuit diagram
IN = Input Pin
OUT = Output Pin
SUPPLY = Supply Pin
Pin No. Pin Name Type Connection Short Description
PSSDIP
88-pin
PMQFP-2
144-pin
(If not used)
1 128 GND SUPPLY OBL Ground Platform
2 129 VSUP5.0BE SUPPLY OBL Supply Voltage Analog Video Back-end, 5.0 V
3 130 TEST IN GND Test Input, reserved for Test
4 131 VERT+ OUT LV Differential Vertical Sawtooth Output
5 132 VERT- OUT LV Differential Vertical Sawtooth Output
6 133 EW OUT LV Vertical Parabola Output
7 134 RSW2 OUT LV Range Switch 2 Output
8 135 RSW1 OUT LV Range Switch 1 Output
9 136 SENSE IN GND Sense ADC Input
10 137 GNDM IN GND Reference Ground for Sense ADC
11 138 FBIN IN GND Fast Blank Input, Back-end
12 139 RIN IN GND Analog Red Input, Back-end
13 140 GIN IN GND Analog Green Input, Back-end
14 141 BIN IN GND Analog Blue Input, Back-end
15 142 SVMOUT OUT VSUP5.0BE Scan Velocity Modulation Output
16 143 ROUT OUT VSUP5.0BE Analog Red Output
17 144 GOUT OUT VSUP5.0BE Analog Green Output
18 1 BOUT OUT VSUP5.0BE Analog Blue Output
19 2 VRD OBL Reference Voltage for RGB DACs
20 3 XREF OBL Reference Current for RGB DACs
21 4 VSUP3.3BE SUPPLY OBL Supply Voltage Analog Video Back-end, 3.3 V
22 5 GND SUPPLY OBL Ground Platform
23 6 GND SUPPLY OBL Ground Platform
24 7 VSUP3.3IO SUPPLY OBL Supply Voltage I/O Ports, 3.3 V
25 8 VSUP3.3DAC SUPPLY OBL Supply Voltage Video DACs, 3.3 V
26 9 GNDDAC SUPPLY OBL Ground Video DACs
27 10 SAFETY IN GND Safety Input
CIRCUIT DESCRIPTIONS