Schematic Diagram - Relay Section - Sony ICF-CD543RM Service Manual

5-7. SCHEMATIC DIAGRAM – RELAY Section – •
LOADING MOTOR
DRIVE
M651
C656
(LOADING)
0.1
C653
0.1
See page 28 for IC Block Diagram.
CN671
3P
GND
CLOSE S/W
5V
(Page 27)
CN672
15P
DRF
AC IN
WRQ
FSEQ
BUZZER
CLAT(CE)
CDATA DO
C CLR
DATA IN
IC651
BA6208
XRST
(Page 27)
TRAY CLOSE
TRAY OPEN
CLOSE S/W
VRDATA
VRCLK
CN651
6P
C651
47 TRAY OPEN TRAY OPEN
10V
TRAY CLOSE TRAY CLOSE
GND GND
6V 6V
CLOSE S/W CLOSE S/W
S651
TRAY OPEN S/W OPEN S/W
OPEN/CLOSE
DETECT
CN673
14P
(Page 21)
R675 C671
100k 0.022
R676 C672
100k 0.022
R673 R674
4.7k 4.7k
D671 1N4002
R671 100k
R672 100k
23 23
R678 C673
4.7k 2200p
R677
47k
Q671
DTC114YUA C674 C691
-T106 1000p 0.01
LEVEL
SHIFT
R691
10k
L-CD
R-CD
MEGA L
MEGA OFF
VR DO
VR CLK
BUZZER
5V
GND
GND
3.3V
6V
GND
AC IN
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
ICF-CD543RM
S691
MEGA BASS
OFF
LOW
HIGH
(Page 25)