Wang 5536 - Page 84

3402
REPLACE
THE CRT
CHASSIS
5.2.2.3
CHECK AC LINE
VOLTAGE
CHECK FUSE
CHECK AC WIRING
CHECK AC CONNECTOR
ON THE REAR OF THE
POWER LINE FILTER.
REPLACE THE PLF.
REPLACE
THE FAN.
NO CHECK THE AC
INPUT TO THE
POWER SUPPLY
CHECK 115/230V
SWITCH.
ADJUST VOLTAGES
(SECTION 5.2.1. 0
REPLACE REGULATOR
PCA (5.2.2. 71
REPLACE P.S. (5.2.2.4)
ADJUST BRIGHTNESS
AND CONTRAST
ADJUST CRT VOLT
(5 2.1 21
REPLACE CRT PCA
(5.2 2 6)
START
A
PERFORM THE
CRT ALIGNMENT
PORCEOURE.
(SECTION 5.2.1.3)
REPLACE CRT
CHASSIS
(SECTION 5.2 2 3)
YES
NO
RESEAT
BOARD
REFER TO CHAPTER 5 FOR
OTHER CORRECTIVE MAINTE·
NANCEPROCEOURESASNECESSARV
PERFORM BNC TNC
CONTINUITY CHECK
WHEN PREFORMING CRT
TROUBLESHOOTING PROCEDURES.
THE BRIGHTNESSICONTRAST
PLUG MUST BE CONNECTEO
Figure 8-1.
5536 Troubleflhooting Flowchart
8-2
•
•
•