58
58
RCD-W500C
– POWER/DISPLAY Section –
FUNCTION
KEY
S724-729
GRID
DRIVER
Q761,762
FL DRIVER
IC760
FLUORESCENT
DISPLAY TUBE
FL750
AC
AC
-36V
D775
SBM
Q775
X15
5MHz
IC781
+3.3V
ENCODER
4
1
S723
5
FUNCTION
KEY
S720-722
FUNCTION
KEY
S718,719
ENCODER
4
1
S717
5
FUNCTION
KEY
S710-716
FUNCTION
KEY
S700-704
IC476
D431-434
TR900
S921
POWER
AC IN
IC480
AC
AC
TO
CD-R
LINE
FILTER
LF900
IC460
-36V
D461
IC440
D451-454
IC430
CD+8V
CD+7V
IC450
M+8V
IC420
IC426
D+5V
D412
A+5V
DVDD(+5V)
D472
D471
D401-404
+B
-B
D473
SYS+3.3V
RFVDD(+3.3V)
CODEC+3.3V
IC410
D+5V
D411
D422
D421
D407
D406
CD & SYSTEM CONTROL
IC1 (2/2)
g
+3.3V
MUTE +3.3V
REG
D400
ROTARY/
ENCODER
(IN)
(OUT)
(MID IN)
(MID OUT)
(LID)
(COUNT)
(INIT)
CD FUNCTION
KEY
S700-709
+5V
RV780
S707
S704
S704
S708
S701
S702
S703
S706
S705
REC LEVEL
DISC1-5
LED
D751-755
LED DRIVER
IC750
Q780