Zenith H19F34DT Series Service Manual

Also see for H19F34DT Series: Installation and operating guide, warranty

SR25-3828VD0171B 1-1 CL - OVERVIEWOVERVIEW1SHIELDFX3400INTRODUCTIONThis manual covers the CL Chassis Commercial Sets. All suffix 36 models have stereo, surround, MPI, and super videoports. The CL series chassis features nine ICs for all signal, sync, and sweep processing.ICM2200 - Audio/video, sync and sweep drive processing.IC6000 - Main microprocessor. It is tied directly to the keyboard and the infrared detector.IC6001 - System memory.IC2100 - Vertical sweep amplifier.IC2901 - Video switch.ICX3612 - Power supply. This is a switching type supply powered by a bridge rectifier circuit. At turn on, voltages forthe vertical and video output circuit are derived from the sweep circuit.IC1400 - Stereo audio processing.IC2902 - Y/C switch.IC2800 - Audio switch.MODEL SCR FRONTJACKSREARJACKS AUDIO EXTRA FEATURES REMOTE MICRO OP GUIDEH19F34DT 19 N/A 3 MONO SuperPort Slot, MPI Card 6710V00108A 0IMCRMI038A 3828VA0A30AH20F34DT' 20 N/A 3 MONO SuperPort Slot, MPI Card 6710V00108A 0IMCRMI038A 3828VA0A30AH24/25F34DT 25 3 3 MONO SuperPort Slot, MPI Card 6710V00108A 0IMCRMI038A 3828VA0A30AH24/25F39DT 25 3 3 MONO N/A 6710V00108A 0IMCRMI039A 3828VA0A30AH27F34DT 27 3 3 MONO SuperPort Slot, MPI Card 6710V00108A 0IMCRMI038A 3828VA0A30AH27F39DT 27 3 3 MONO N/A 6710V00108A 0IMCRMI039A 3828VA0A30DH24/25F36DT 25 3 7 Stereo MTS SuperPort Slot, MPI Card 6710V00108A 0IMCRMI038A 3828VA0A30CH27F36DT 27 3 7 Stereo MTS SuperPort Slot, MPI Card 6710V00108A 0IMCRMI038A 3828VA0A30CH32F36DT 32 3 7 Stereo MTS SuperPort Slot, MPI Card 6710V00108A 0IMCRMI038A 3828VA0A30CF-Line CL Chassis Model InformationMODULE LEVEL REPAIR ONLY