Marantz SR620 - Page 9

7. VOLTAGE CONVERSION
To convert the unit to a different power source voltage, Voltage Conversion Chart
change the position as illustrated in the drawing below.
CAUTION
DISCONNECT POWER SUPPLY CORD FROM AC
OUTLET BEFORE CONVERTING VOLTAGE. DO
NOT DISASSEMBLE THE VOLTAGE SELECTOR
ABSOLUTELY. ‘eS
_I
240V ~ 220V ~ 240V ~ 120V ~
\ / 220V ~ \ / 110V~
(A)(N}(T) Version {E) (P) Version
NOTE ON SAFETY:
Symbol A\ Fire or electrical shock hazard. Only original parts
should be used to replace any part marked with symbol A\ .
Any other component substitution (other than original type),
may increase risk of fire or electrical shock hazard.
8. CIRCUIT DESCRIPTION
The Mode! SR620/SR620L/SR520/SR520L is an LW/MW/FM digital frequency-synthesized tuner using a PLL frequency
synthesizer designed for use in LW/MW/FM tuners in conjunction with a CMOS LSI controller.
8.1 LW/MW/FM Tuner PLL Frequency Synthesizer and Controller TC9147P (Q501)
@ Maximum Ratings (Ta = 25°C) Pin Gaunacsa
Characteristic Symbol Ratings tee pane
Supply Voltage Vop 0~6 ee : a seein
Input Voltage Vig —~0.3~ Vop +0.3 cree mpeg
a MANUAL 7 36D 1EST
Output
Voltage
[Your
03~Voot03
|
ee
Output Current (Note) lout 30 Sees sooiaes
ua a2 fstop2
bst0p3
30DE!
Power Dissipation Pp 800 m2
Operating Temperature Topr ~30~ 75 we
Storage Temperature Tstg ~55 ~ 125
(Note) Bipolar transistor output current. ie