Panasonic SAHT280 - RECEIVER, Service Manual

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Pin /
No.
Mark I/O /
Division
Function
71 COM DO O Common digital output
signal
72 COM DI I Common digital input
signal
73 AVSS - GND for A-D converter
74 VREF - Reference voltage for A-
D / converter
75 SD I SD signal detect input
76 COM REQS O Common serial request
output
77 HELP LED/
/ RDS CE O Help LED control output
/ (Not used, open)
78 COM REQM O Common mechanical
request / output
79 VIDEO B O Video selector control
output B
80 VIDEO A O Video selector control
output A
14. Replacement Parts List
Notes:
- Important safety notice : / Component identified mark have
special characteristics important safety. / Furthermore, special
parts which have purposes of fire-retardant (resistors), hight-
quality sound (capacitors), low-noise (resistors), etc. are used. /
When replacing any of components, be sure to use only
manufactures specified parts shown in the parts list.
- The <ODSD> mark in Remarks indicates source of supply.
- The marking (RTL) indicates thet Retention Time is Limited for this
item. After the discontinuation of this assembly in production, the
item will continue to be available for a specific period of item. The
retention period of availability is dependent on the type of
assembly, and in accordance with the laws governing part and
product retention. After the end of this period, the assembly will on
longer be available.
- [M] indicates in the remarks columns indicates parts supplied by
MESA.