HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
32
32
6-5. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
POWER CONTROL
IC921
D902
DZ904
D908
D906, 907
D905
AMP+32V
RESET
SWITCH
Q503
ND100
FLUORESCENT
INDICATOR
TUBE
24 FL_D_OUT/LED_DATA
21 FL_CLK/LED_CLK
23 FL_STB
FLUORESCENT INDICATOR
TUBE DRIVER
IC100
LED DRIVER
IC103
(ORG)
(GRN)
D108
DISC 1
(ORG)
(GRN)
D107
DISC 2
(ORG)
(GRN)
D106
DISC 3
(ORG)
(GRN)
D105
DISC 4
(ORG)
D104
DISC 5
LED DRIVE
Q102
LED DRIVE
Q103
LED DRIVE
Q104
LED DRIVE
Q105
LED DRIVE
Q106
LED DRIVE
Q107
LED DRIVE
Q108
LED DRIVE
Q109
LED DRIVE
Q110
S100 – 111, 922
(FRONT & TOP PANEL KEY)
(AC IN)
F901
LINE FILTER
LF901, 902
RECT
D901
TH901
POWERCONTROL
IC901
RIPPLE FILTER
Q922
ISOLATOR
PC902
ISOLATOR
PC901
ISOLATOR
PC903
B+ SWICH
Q901
T903
SUB POWER
TRANSFORMER
T901
MAIN POWER
TRANSFORMER
D910
RECT
D931
RECT
D912
A+12V, M+12V
A+9V
POWER ON/OFF
CONTROL
Q943, 947, 949, 950
ISOLATOR
PC904
RECT
D916
M+9V
AUDIO+5V
LED+6V
B+ SWITCH
Q945
RECT
D911
RECT
D947
SERVO DSP+1.8V
S-AIR+3.3V
S-AIR RT+3.3V
(HCD-HDX277WC/HDX279W/HDX576WF)
(HCD-HDX275/HDX475/HDX675)
S-AIR CON+4V
AMP+1.8V
E+3.3V
RF+3.3V
5V
SW+9V
SW+3.3V
D+3.3V
SERVO+3.3V
SERVO+3.3V
A+5V
V+5V
VFL
FOR FLUORESCENT
INDICATOR TUBE
RECT
D100, 101
OSC
Q100
FL
FL
T100
DC/DC
CONVERTER
D502
BU+3.3V
D504
M+13V
ENCOCER
S112
VOLUME
DIAG
DC DETECT
Q631, 632
POWER ON/OFF
CONTROL
Q930 – 932
STANDBY
CONTROL
Q921
B+ SWITCH
Q120, 121
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
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