Marantz SR620 - Page 18

5. Receiving Frequency Display
The frequency display of TC9147P is explained here. The linear display of TC9146AP will be separately explained. Receiv-
ing frequency is displayed using the external static display driver TC6301 AP.
@ Maximum Ratings (Ta = 25°C} Bis connsateas
onne
Characteristic Symbol Tating
Supply Voltage Vec 8
Input Voltage VIN —0.3~ Vcc +0.3
Output Current lor (MAX) 20
Output Voltage ‘|You (MAX) 20
Power Dissipation L Pp 1.0
Operating Temperature) Topr
Storage Temperature Tstg
Q503
@ Block Diagram
a1 bi ci di e@1 fi gi a2 b2 c2 d2 e2 f2 ge a3 b3 c3 d3 e3 f3 93 1/0
Cy TTT
7-SEGMENT
DRIVER
7-SEGMENT 7-SEGMENT
DRIVER DRIVER
ADD ADD
CIRCUIT CIRCUIT
BINARY TO BCD + IF OFFSET ROM
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