CBG-2655A
COLOR BAR, TONE, & ID GENERATOR
SERVICE MANUAL
SIGMA ELECTRONICS, INC.
1027 COMMERCIAL AVENUE
EAST PETERSBURG, PA 17520-0448
(717) 569-2681
P.O. Box 448
Страница 1: ...CBG 2655A COLOR BAR TONE ID GENERATOR SERVICE MANUAL SIGMA ELECTRONICS INC 1027 COMMERCIAL AVENUE EAST PETERSBURG PA 17520 0448 717 569 2681 P O Box 448 ...
Страница 2: ... SSB 21 power supply The module regulates the bus voltage to 5Vdc and 5Vdc Circuit protection is provided by PTC thermistors Positive Temperature Coefficient Thermal Resistor which serve as a permanent self resetting fuse In the event of excessive current draw on either of the two bus lines the PTC thermistor on that line will open Upon correction of the fault the PTC thermistor will cool to an op...
Страница 3: ...STMENTS YC balance DC offset Video gain and Audio level are all set for optimum performance by Sigma Electronics If necessary these parameters may be readjusted via the controls listed below R20 YC Balance Luminance signal to Chroma signal balance R24 DC Offset adjustment R28 Video Gain Factory adjusted for 1 Vp p P output R59 Audio level Optimized by factory setup for balanced configuration SPECI...
Страница 4: ... module Modules should be serviced by qualified personnel only Sigma Electronics Inc recommends service to be performed by our Factory Service Center NOTES All specifications drawings dimensions weights and other details are subject to change without notification Information is intended to give a general overview of product performance and operations Sigma Electronics Inc P O Box 448 1027 Commerci...