R&S ZVA8 - Page 343

R&S ZVA Repairs
1177.5333.02 3.35 E-11
Change USB Board
 For disassembling see Repacing USB Board A40 (Drawing 1145.1390.01)
 Remove the countersunk screws(1070)
 Remove USB board (1050), disconnect cable from USB board
 Reinstall new USB board (1305.7483.02) in reverse sequence
Modify Display Connector SVGA NEC-DSN
 For disassembling see Replacing LCD A70 and DC/AC Converter (Drawing 1145.1390.01)(1020)
 Release the two screws (1040) to remove the display connector board
 Connect pin 3 and pin 7 with a 1 kΩ resistor (R0603 009.5340.00) and a wire. Fix the wire and
resistor with silicone.
 Assemble the Display Connector in reverse sequence