HCD-HDX265/HDX266/HDX267W/HDX465/HDX466/HDX665
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33
HCD-HDX265/HDX266/HDX267W/HDX465/HDX466/HDX665
6-5. BLOCK DIAGRAM – PANEL/POWER SUPPLY Section –
POWER CONTROL
IC921
D922
D908
D906, 907
D905
RESET
SYSTEM CONTROLLER
IC501 (5/5)
+32V
RESET
SWITCH
Q503
8
CLK
9
STB
7
42
DIN
ND800
FLUORESCENT
INDICATOR
TUBE
GR2 – GR12
SG1 – SG16
41 – 31
29 – 14
GR1
24 FL_D_OUT/LED_DATA
21 FL_CLK/LED_CLK
56 FL_CS
81 LED_LATCH
GRID DRIVE
Q820
FLUORESCENT INDICATOR
TUBE DRIVER
IC804
4
CLK
16 Q10
5
LCK
3
DATA
LED DRIVER
IC802
Q8
Q9
15
(ORG)
(GRN)
14
D809
DISC 1
Q6
Q7
13
(ORG)
(GRN)
12
D812
DISC 2
Q4
Q6
11
(ORG)
(GRN)
10
D816
DISC 3
Q2
Q3
9
(ORG)
(GRN)
8
D817
DISC 4
Q0
Q1
7
(ORG)
(GRN)
6
D818
DISC 5
LED DRIVE
Q500
LED DRIVE
Q819
LED DRIVE
Q818
LED DRIVE
Q817
LED DRIVE
Q816
LED DRIVE
Q815
LED DRIVE
Q814
LED DRIVE
Q813
LED DRIVE
Q812
LED DRIVE
Q811
LED DRIVE
Q810
D500
(ILLUMINATION)
KEY0 – KEY2
S800 – 811, 922
(FRONT & TOP PANEL KEY)
97, 95, 94
SIRCS_IN
REMOTE CONTROL
RECEIVER
IC803
4
EN_B
11
EN_A
10
KEY INT
74
(AC IN)
F901
LINE FILTER
LF901, 902
RECT
D901
TH901
1 DRAIN
8 STARTUP
4 VCC
6 FB/OLP
POWER CONTROL
IC901
3 D
5 FB/OLP
1 OCP/SYNC
4 VCC
RIPPLE FILTER
Q921
ISOLATOR
PC902
ISOLATOR
PC901
ISOLATOR
PC903
B+ SWICH
Q904
T902
SUB POWER
TRANSFORMER
T901
MAIN POWER
TRANSFORMER
D910
RECT
D931
RECT
D941
A+12V, M+12V
A+9V
POWER ON/OFF
CONTROL
Q943, 947
SHUNT
REGULATOR
IC931
SHUNT
REGULATOR
IC951
+12V
REGULATOR
IC941
RECT
D944
M+9V
A+5V
LED+6V
B+ SWITCH
Q945
RECT
D942
RECT
D943
+5V
REGULATOR
IC504
+9V
REGULATOR
IC307
PANEL+3.3V
+3.3V
REGULATOR
IC502
HDMI+1.8V
+1.8V
REGULATOR
IC1702
SERVO DSPI+1.8V
+1.8V
REGULATOR
IC1110
AMP+1.8V
E+3.3V
+1.8V
REGULATOR
IC3050
RESET SIGNAL
GENERATOR
IC503
+3.3V
REGULATOR
IC1105
SW+5V
SERVO DSP+3.3V
+3.3V
REGULATOR
IC1107
RF+3.3V
RIPPLE
FILTER
Q504
DMPORT5V
+5V
REGULATOR
IC201
+5V
REGULATOR
IC942
+3.3V
REGULATOR
IC943
VFL
FOR FLUORESCENT
INDICATOR TUBE
RECT
D810, 811,
D813, 814
OSC
Q809
FL
FL
T800
INVERTER
TRANSFORMER
+3.3V
REGULATOR
IC1703
HDMI+3.3V
SW+3.3V
D502
BU+3.3V
D504
12
AC_CUT 20
P_CONT3 41
P_CONT2 40
P_CONT1 39
M+13V
ROTARY
ENCOCER
S901
VOLUME
DIAG
L
DC DETECT
Q631, 632
(Page 32)