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SCD-XE670
30
30
S807 – 809
S808
X
AMS
L
l
S807
H
S809
x
MENU
S803
S801 – 805
S801
m
S802
m
SACD/CD
S804
MULTI/2CH
S805
S810 – 814
TIME/TEXT
S810
PLAY MODE
S811
CHECK
S812
CLEAR
S813
REPEAT
S814
S806
OPEN/CLOSE
A
PUSH ENTER
S830
ROTARY
ENCODER
REMOTE
CONTROL
RECEIVER
IC802
60
KEY0
61
KEY1
62
KEY2
63
KEY3
82
RM
59
LED DRV
53
SDOUT
54
SLK
56
REQ
55 FL. DATA (DI)
54 FL. CLK (CL)
53 FLT (CE)
OSC
C815,
R801
50 OSC0
51 OSC1
52
FLRST
30
(Page 28)
XRST DP
31
S35
61
–
64, 1
–
30
45
–
32
46, 47
3G
–
16G
1G, 2G
S1
–
S34
CPU
IC901 (3/3)
FLUORESCENT INDICATOR TUBE DRIVER
IC801
SEGMENT
DRIVE
Q803
D803
(MULTI-CHANNEL)
LED
DRIVE
Q701, 702
GRID
DRIVE
Q801, 802
FL801
FLUORESCENT
INDICATOR
TUBE
VF1
VF2
RECT
D453, 454
MUTE +3.3V
D+3.3V
(IC811)
(IC811)
+3V
(IC304)
DAC+5V
(IC301 – 303)
+3.3V
REGULATOR
IC310
+5V
REGULATOR
IC406
AU+7V
(IC305 – 307)
+7V
REGULATOR
IC405
AU+UR
(IC308)
RECT
D424, 425
AU–7V
(IC305 – 307)
–7V
REGULATOR
IC404
RECT
D422, 423
AU–UR
(IC308)
VFL–33V
FLUORESCENT INDICATOR
TUBE DRIVER
(IC801)
–33V
REGULATOR
Q402
RECT
D402
D402
R407
D302
D301
T451
POWER
TRANSFORMER
VF1
VF2
D401
D+3.3V
(IC701, 901, 905)
+3.3V
REGULATOR
IC401
RECT
D410 – 413
A+3.3V
(IC701)
+2.5V
REGULATOR
IC702
+2.5V
(IC801)
+5V
REGULATOR
IC402
D+5V
(IC701)
A+5V
(IC703, 708)
M+12V
(MOTOR DRIVE (IC512))
+12V
REGULATOR
IC403
RECT
D406 – 409
+5V
REGULATOR
IC504
+5V
(COIL/MOTOR DRIVE (IC502))
S451
POWER
AC IN
D308
5-5.
BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –
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