Panasonic Technics ST-CH7L - Page 2

ST-CH7L
m@ CONTENTS
Page
LOCATION OF CONTROLS ........... 0.00 0c cece e eee eens 2,3
DISASSEMBLY INSTRUCTIONS ................000 000 eee 4
MEASUREMENTS AND ADJUSTMENTS .................. 5,6
DESCRIPTION OF FLPANEL ...............000cceeeeeees 7
FUNCTION OF IC TERMINALS..............0.00.0 00. ce ees 8
SCHEMATIC DIAGRAM ..............000 cc ccc eee e eee 9~12
Note:
Page
PRINTED CIRCUIT BOARDS AND WIRING CONNECTION
DIAGRAM (., 55355 05te chen fon oi wate Saitonae nae oe 13, 14
BLOCK DIAGRAM ..........0.. 00. c cece eee e eee 15, 16
REPLACEMENT PARTS LIST ..................0.000, 17~21
CABINET PARTS LOCATIONS ............0 0000 cece cee ues 21
Refer
to
the
service
manual
for
Model
No.
SU-CH7,
Order
No.
AD9104082C8
for
information
on
ACCESSORIES,
INSTALLATION
OF
THE
SYSTEM,
CONNECTIONS
and
PACKAGING.
m@ LOCATION OF CONTROLS
SENSOR
CANCEL RECALL CLOCK SET
WSELECT A
© Oo
G
STEREO SYNTHESIZER TUNER ST-CH7L
om MWV ALLOCATION PT
LW FREQ sine
PRESET
Tuner: control section
@ Timer set button (TIMER SET)
This button is used when making the timer setting.
Timer select buttons (WV SELECT A)
These buttons are used when setting the time. And when
making the timer setting, to select the type of timer operation,
the day, the time, etc.
@®
Remote signal sensor (SENSOR)
Band select button (BAND)
This button is used to select either the MW, LW or FM band.
Preset-tuning buttons (V PRESET A)
These buttons are used to select channel numbers for a
broadcasting station which has been stored in the tuner’s
memory.
®
®
© Timer cancel button (CANCEL)
This button is used to cancel the timer setting.
Power “STANDBY ()/ON” switch
(POWER STANDBY (!) /ON)
This switch switches ON and OFF the secondary circuit power
only. The unit is in the “standby” condition when this switch is
set to the STANDBY (' position. Regardless of the switch
setting, the primary circuit is always “live” as long as the
power cord is connected to an electrical outlet.
@
©
Timer setting confirmation button (RECALL)
This button is used to confirm the timer setting.
Clock set button (CLOCK SET)
This button is used to set the present time.
Memory button (MEMORY)
This button is used when presetting broadcast station
frequencies into memory.
Tuning
buttons
(V
TUNING
A)
These
buttons
are
used
for
tuning
the
desired
broadcast
Station.
@ ©
@