Service manual

7-30
2933 PFD (CH1:IC03 Pin4 CH2:IC03 Pin5) PLL output clk (IC03 Pin3)
SOGIN (IC01 Pin14) “-“; ”function”; ”+”; ”select” (WO4 Pins 1~4)
Crystal clk (IC25 Pins 18;19) Reset signal (CH1:5Vx CH2:Q30 output pin)