Haier HTR21S34 Service Manual
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104. N301: Vertical output (TDA4864)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 voltagesTDA11115HPIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16V 0 3.8 3.6 3.3 3.5 4.4 5.1 1.8 0 0.18 0.17 0 2.3 8 5 3PIN 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32V 4 0 4 0.5 0.7 0.8 1.9 1.9 3.9 3.8 1.6 3.2 2.3 0 2.3 0.2PIN 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48V 0.5 0.3 0 1.7 2.4 3.4 8 3.9 0 3.3 0 3.6 1.4 2.5 2.5 2.5PIN 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64V 1.9 5.0 2.4 2.4 2.4 3.1 0 3.2 0 1.8 1.7 0 3.2 5.1 3.3 55Vpp0.9Vpp1.3VppH H1VppVCRT KBCRT KGCRT KR95Vpp95Vpp95VppH H HTDA1115IN402.5Vpp2.5Vpp3.8VppH HHTDA1115IN40 TDA1115IN40TDA1115IN40 TDA1115IN400.8VppVTDA1115IN40 TDA1115IN40 TDA1115IN401.2Vpp2.6VppH HTDA1115IN40TDA1115IN40 |
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