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HCD-RG444
HCD-RG444
7-1. BLOCK DIAGRAMS – PANEL SECTION –
IC601(1/2)
SYSTEM CONTROLLER
CN603
D401
+B
-B
F904
X601
32.768kHz
IC610
X602
10MHz
MASTER VOLUME
FUNCTION
KEY
S641-S650
FUNCTION
KEY
S601-S612
FUNCTION
KEY
S621-S630
ENCODER
S851
LED
DRIVER
Q610
LED610
LED
DRIVER
Q612
LED612
LED
DRIVER
Q611
LED611
LED
DRIVER
Q614
LED615
LED
DRIVER
Q615
LED614
LED
DRIVER
Q613
LED613
LED601
F905
AC3
D301-D304
D902
Q902
IC301
-VFL
F906
AC4
VF
D305-D308
D902-905
F907
REG
+3.5V
IC303
SWITCH
Q361,Q362,Q314,Q315
RELAY
DRIVE
+9V
D309-D312
IC304
+9V
VF
-VFL
IC302
+3.5V
4
+3.3V
PT902
SUB TRANSFORMER
RY901
PT901
POWER TRANSFORMER
IC603
IC604
Q605
RESET
SWITCH
FL601
FLUORESCENT
INDICATOR
TUBE
AC
IN
SCOR
XTCN
XRST
XL-T-CD
CD-DATA
SENS
CD-CLK
MP3-DO
MP3-DI
MP3-CLK
MP3-CS
C18
C15
C14
C13
C12
C11
C10
C9
C8
C7
C6
C5
C4
C3
C2
C1
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
Q301,Q302
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299