HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
HCD-HDX275/HDX277WC/HDX279W/HDX475/HDX576WF/HDX675
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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)
(GRN)
D104
DISC 5
LED DRIVE
Q101
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
ROTARY
ENCOCER
S112
VOLUME
DIAG
DC DETECT
Q631, 632
POWER ON/OFF
CONTROL
Q930 – 932
STANDBY
CONTROL
Q921
B+ SWITCH
Q120, 121