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HBD-DZ340/DZ340K/DZ640K/DZ740
HBD-DZ340/DZ340K/DZ640K/DZ740
27
27
F1
FLUORESCENT
INDICATOR
TUBE
ND201
DC/DC
CONVERTER
TRANSFORMER
T201
MAIN
TRANSFORMER
T901
D931
PVDD (+32.5V)
(DIGITAL AMP)
D901
D908
D909
D914
D993
D910
FR929
SUB
TRANSFORMER
T903
DC/DC
CONVER
TER
Q203
D204
D205
D5003
SYSTEM CONTROL
IC5002 (5/5)
ND DISPLAY
DRIVER
IC206
+21V REG.
Q923
FEED BACK
PC902
SWITCHING
REGULATOR
IC921
D904
DZ909
D943
D5002
P_CONT_FL
E4.2V
E+4.2V
+6V
E3.3V
+3.3V
(TUNER)
F901
FILTER
DZ340/DZ340K:EA,SAF,TW,/DZ640K:EA,SP/DZ740
DZ340K:E3,E12,E32,AR,PH,SP,TH/DZ640K:E3,E12,E15,PH,TH
LF901
FEED BACK
PC901
STANDBY
CONTROL
PC903
LED DRIVER
Q202
POWER
PROTECT
Q943,949,950
EN
F2
5V (FL)
+3.3V-2
(IC1101)
+3.3V-1
(IC1101)
USB 5V
VBUS_SW
+5V
D3.3V
5V
(FL)
+3.3V-3
(IC1101)
RF+3.3V
(IC1101)
P.CONT1
D944
D945
F946
B+ SWITCH
Q5003
D948
M+9V
P.CONT1
12V
FAN14V
M+9V
+6V
A12V
FILTER
LF902
(AC IN)
POWER CONTROL
Q901
F945
REC TO USB
D202
+1.8V
(IC1101)
+3.3V
(IC206)
+3.3V
(IC3001)
+3.3V
(IC3001)
+5V
(IC7001)
E4.2V
RESET
Q5001
TO
WRITE
JIG
CN5002
X5001
8MHz
7
5
3
2
6
CNVSS
RXD1
CLK1
RTS1
TXD1
8
RESET
POWER
PROTECT
Q969
FUNCTION
KEY
S505,506
FUNCTION
KEY
S504,201
ROTARY
ENCODER
S202
VOLUME
FUNCTION
KEY
S501 — 503
D5004
D5006
@
/
1
S301
LED DRIVER
DZ340K/DZ640K/DZ740
FRONT PANEL
ILLUMINATION
LED601,602
Q201
Abbreviation
: Argentina model
AR
: 240V AC area in E model
E3
: 220-240V AC area in E model
E12
: Iranian model
E15
: 110-240V AC area in E model
E32
: Soudi Arabia model
EA
: Philippines model
PH
: South African model
SAF
: Singapore model
SP
: Thai model
TH
: Taiwan model
TW
5-5. BLOCK DIAGRAM – POWER Section –
Содержание HBD-DZ340
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