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6.3 LF SW does not work.
• When SWC2 of IC1 is set to “L”, is SW1 set to “L” by pressing LF SW?
(IC1-18 pin)
SWI4 (ICI-3 pin)
• No Replace LF SW.
▼
• Yes Does LF SW recover IC1 or Q501 of the Driver board replaced?
• No Go to step 5.
6-4 FF SW does not work.
• When SWC2 of IC1 is set to “L”, is SWI2 set to “L” by pressing FF SW?
SWI2 (IC1-23 pin)
• No Replace FF SW.
▼
• Yes Does FF SW recover with IC1 or Q501 of the Driver board replaced?
• No Go to step 5.
6-5 TEAR SW does not work.
• When SWC1 of IC1 is set to “L”, is SWI4 set to “L” by pressing TEAR SW?
SWC1 (IC1-31 pin)
• No Replace TEAR SW.
▼
• Yes Does TEAR SW recover with IC1 or Q501 of the Driver board replaced?
• No Go to step 5.
6-6 PARK SW does not work.
• When SWC1 of IC1 is set to “L”, is SW2 set to “L” by pressing PARK SW?
• No Replace PARK SW.
▼
• Yes Does PARK SW recover with IC1 or Q501 of the Driver board replaced?
• No Go to step 5.
6-7 QUIET SW does not work.
• When SWC1 of IC1 is set to “L”, is SWI1 set to “L” by pressing QUIET SW?
• No Replace QUIET SW.
▼
• Yes Replace IC1 or Q501 of the Driver board.
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