View an3341sc datasheet:

ICs for VCR AN3341SC 6-Head VCR Recording/Playback Amplifier IC Overview Unit : mm The AN3341SC is a recording/playback amplifier IC for 6-head VCR. It is suitable for 19-µ head, EP-mode only, table-type VCR. Features • Playback VCC=5.0V, recording VCC=12V • Built-in RF-AGC circuit • Built-in automatic tracking I/O circuit • Built-in envelope comparator circuit 0.3 9.5± 0.3 11.5± 0.3 42-Pin SSOP package (SSOP042-P-0450) Block Diagram AT TRAP Rec VCC 12V normal EP AGC TRICK Chroma AT AT ENV ENV HASW /other Out C – IN Out Y – IN GCA Out OFF Out 180 100µH H H µH 1.5k? 1.7k? 0.1µF 1µF 0.01 µF 330pF 0.1µF 47µF 30k? 3.9k? 0.1µF + 0.01µF 0.01µF 1200pF 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 HASW : L TRAP Det. ON AGC Peaking AG