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HCD-RV222
HCD-RV222
6-4. BLOCK DIAGRAM — PANEL/POWER SUPPLY SECTION —
–27V
REGULATOR
Q902
AC IN
SUB POWER
TRANSFORMER
PT902
RY901
VF1, 2
VDD2
VDD1,
VDD3/4
TO
FLUORESCENT
INDICATOR TUBE
+12V
REGULATOR
Q311
–VFL
VP
MAIN POWER
TRANSFORMER
PT901
RECT
D301 – 304
D324 – 325
D321
D609
D610
D608,611
D316
D908
RECT
F907
+3.3V
CD +5V
CD +3.3V
+4.5V
REGULATOR
Q201
CD +2.5V
CD +4.5V
RECT
D309 – 312
RECT
D902 – 904
RY B+
FAN B+
CD M+7V
RECT
D305 – 308
UNREG +16V
+9V,
MIC +9V
EVER +10V
M +9V
B+3.5V
B+ SWITCH
Q312
B+ SWITCH
Q604, 616
RESET SWITCH
Q605
B+ SWITCH
Q314, 315
RELAY DRIVE
Q361, 362
VOLTAGE
SELECTOR
S901
SYSTEM CONTROLLER
IC601 (3/3)
B+ SWITCH
Q301, 302
FLUORESCENT
INDICATOR TUBE
FL601
43 – 45, 47 – 50,
LED601
I
/1
LED610-615
(ILLUMINATION)
LED DRIVE
Q610-615
S601 – 612,
S621 – 630,
S641 – 650,
SW601
ROTARY
ENCODER
S660
MASTER
VOLUME
F906
AC3
AC4
RECT
D401
AMP B+ 1
AMP B– 1
AC-1
F904,
F905
FRONT SP RELAY
VIDEO SW
TH MODEL
Abbreviation
TH:Thai model
EXCEPT TH MODEL
TH MODEL
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
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