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Commodore 1702 Color Video Monitor

Commodore 13-inch class NTSC color CRT for C64/C128-era video, 1980s.

Custom, locally stored schematic for Commodore 1702 Color Video Monitor showing its RCA COMPOSITE + Y/C architecture
MODEL-SPECIFIC LOCAL SCHEMATIC // NOT A PRODUCT PHOTO

IDENTIFICATION: Match the exact model suffix, region and installed option boards to the cited manual and rear label. Do not infer electrical compatibility from connector shape.

Model-specific specifications

Catalog classCrt Displays
Exact productCommodore 1702 Color Video Monitor
Era / purposeCommodore 13-inch class NTSC color CRT for C64/C128-era video, 1980s.
Tube / image13-inch class color CRT for standard-definition NTSC video; it has no fixed pixel resolution.
Signal formats15.734 kHz NTSC/approximately 60 Hz field cadence; image detail is governed by the source’s composite or separated luma/chroma signal.
InputsFront composite RCA plus rear separate luma (Y) and chroma (C) RCA inputs; audio RCA inputs and front/rear selector on the manual’s described 1702.
Power / mechanicsNorth American 120 V AC set. Tabletop cabinet with front panel access to picture, tint, color, brightness, contrast, hold and volume controls.

Revision, timing & host compatibility

Use composite for composite sources. Rear luma/chroma is separated video (S-video-like), not analog RGB or modern component YPbPr; use a source that genuinely outputs Y/C. 1702-family regional and production variants must be identified from the label/manual before applying the 120 V assumption.

Before operation, compare source signal type, scan/frame timing, pinout, interface bandwidth, input-board configuration and mains/DC rating against the model-specific manual and nameplate. A listed maximum mode is not a promise of optimum image quality.

Vintage preservation & repair notes

Keep the signal lead and rear/front input selector with the monitor; test composite and Y/C separately, then verify color lock and controls. Record any CRT burn or convergence issue. The set contains hazardous mains/high voltage; internal servicing is for trained CRT technicians.

Record serial/date code, configuration, all installed interface boards, accessories, image condition, calibration state, test source and document edition. Disconnect power before external cleaning and use only the manufacturer-approved procedure; do not open CRT/LCD/OLED equipment without qualified service practice.

Manufacturer manuals & specifications

  1. Commodore 1702 Monitor User Manual (1984)Commodore-branded user manual scan for input selection, controls and operation.
  2. Commodore Color Video Monitor Users ManualDigitized original manual containing setup, input and safety instructions.