Marantz SR620 - Page 10

® Block Diagram
AMiy PSC FMin TEST DO-1 DO-2 STOP1 STOP2 STOP3
PROGRAMMABLE
COUNTER
AUTO STOP
COUNTER
PROCESSING CIRCUIT
TIMING
GENERATING
CIRCUIT
PRESET MEMORY
(RAM)
ADDRESS
DECODER
REFERENCE
FREQUENCY DIVIDER
LAST FREQUENCY MEMORY
CONSTANT ROM
MULTIPLEXER
PRESET MEMORY
CONTROL
X'TAL BAND SELECTING
OSCI-
LLATER CONTROL
SCAN CONTROL
MANUAL AUTO UP DOWN