Kenwood PR-657, Instruction Manual

Page: 4 / 20

4. CIRCUIT
DESCRIPTION
In studying the operation of each circuit in your PR-657,
please refer to Figure 1, the "Block Diagram", and the
Schematic Diagram on the back cover.
L I N E
V O L T A G E
S E L E C T O R
A C L I N E
A U X P O W E R
S O U R C E
C U R R E N T A M P
D I F F E R E N T I A L
A M P
O V E R C U R R E N T
D E T
M A I N P O W E R
S O U R C E
L I G H T
Figure 1 Block Diagram
4