10In 1 6 Ch 1 input Out 2 (+) 12 Ch 2 output (+)4. N301: Vertical output (STV8172A)Symbol PIN Function Symbol PIN FunctionINV IN 1 Input PUMP UP 6 Pump up powerINV IN 2 Input V OUT 7 Vertical outputVcc 3 Pump up power V PRO 8 Vertical protectionV OUT 4 Vertical output V FEEDBACK 9 Vertical feedbackGND 5 Ground5. U101:TunerPIN Function PIN Function1 AGC 7 +5V2 vacant 8 vacant3 Gnd 9 Vt 33V4 SCL 10 Gnd5 SDA 11 IF Out6 +5V6. Test point Waveforms7. IC voltages5Vpp0.9Vpp1.3VppH H1VppVCRT KBCRT KGCRT KR95Vpp95Vpp95VppH H HTDA8378IN532.5Vpp2.5Vpp3.8VppH HHTDA8378N52 TDA8378IN51TDA8378IN33 TDA8378IN340.8VppVTDA8378IN21 TDA8378IN22 TDA8378IN591.2Vpp2.6VppH HTDA8378IN40TDA8378IN38