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2-1
Block Diagram
D11,D12
T1
POWER TRANS
D1
DIODE BRIDGE
RECTIFIER
CN3
CN2
CN5
CN6
D7,D8
U1
SMPS CONTROLLER
AC PLUG
U601
U602
U701
IC1,IC3
HP AMP
MCU
POWER AMP
E. VOLUME
CN2
SUBWOOFER
CON501
CON602
CON401
EEPROM
X602
Q601
RESET
32.768K
CON504
CN82
J102
CN1
Speaker
USB
MIC1
HEADPHONE
D+/-
+5V_USB
HP L/R
MIC1 L/R
VFD_CLK
VFD_DATA
VFD_STB
Y/Pr/Pb
U6
MPEG
U10
SDRAM
U8
FLASH
U7
DRIVER
X1
27MHz
UD001
AC IN
TU L/R
TXD/RXD
TU_CLK
TU_DA
TU_RST
SMPS section
Audio Amp section
TU_DET
AMP_MUTE
VFD DISPLAY section
HP&MIC&USB section
D+
/-
CN1
MIC2
MIC2 L/R
CON502
U502
MU501
SW501
VFD_MODE H/V
CON503
CN81
&LED
P1
J301
AUX IN
CON801
CON1
U801
U802
DC power supply PWB
J101
TUNER
MODULE
FM/RDS
CON201
CON103
CN101
CN102
TO NTC
TO FAN
VFD401
CON402
CON403
J2
J2
4KEY L
4KEY R
IR401
IR402
IC1
IC1
MTCON1
CN7
SCON3
CNM1
MOTOR PWB
Software Upgrade PCB
SCON4
SCON2
CN
C4
DVD
LOADER
MODULE
U201
DSP
U202
U203
L/R
SL
/S
R
HP
L/R
AUX L/R
Y/Pr/Pb
CVBS
I2S
+
12V
U301
U302
PWR_ON
I2C
12V
L/R
SL/SR
IC4
POWER AMP
+/- 27V
Pre_OP
I2S
DVD 5V
U204
EEPROM
U205
I2C
Q303
Q301
Touch
Touch
SUB
IC6
IC2
IC5
Q1,2,3,4,6
RX1
OPT_IN
HDIM_IN1
J4
HDIM_IN2
HDIM_OUT
J2
J3
U3
U1
U4
U2
LPF
UD005
EEPROM
T2
POWER TRANS
OSC
U8
5V
IC7
Q303
Q308
U303
U304
U3,U12
CVBS
MPEG rest
UM203
I2C
DSP+MCU
SECTION
SMPS CONTROLLER
12V
12V
Adder, LPL
HLP
Switch
U2
RECTIFIER
RECTIFIER
12V
5V
+/- 27V
SWITCH
I2C
LPF
LPF
Regulator
DC/DC
DC/DC
Regulator
SWITCH
SWITCH
DSP
3V3
SWITCH
D304
D306
DC/DC
D305
VFD display
IR sensor
IR sensor
ENCODER
ENCODER
MTQ1/Q2/Q3/Q4/Q5
MOTOR CONTROL
+1V8 Regulator
+3V3 Regulator
Main_MCU
HDMI_MCU
+5V_DVD
U14
Regulator
SWITCH
+12V_MIC
+3V3STBY
+3V3STBY
+3V3STBY
+12V_MIC
+5V2
Q24
MIC+12V
NXP_5V
Y/Pr/Pb/CVBS
RX/TX_CEC_ I2C, etc
Control Bus
DVD+HDMI Repeater Section
DRIVER
Protection
Protection
Protection
transmitter
Receiver/Selector
U12
Translator
U11
CEC
U9
MCU
IC1
Selector
SEL1/SEL2
Eeprom
Eeprom
UD004
UD006
UD006
Eeprom
IC3, U17
Selector
USB501
MJK502
MJK501
HPJ501
Connecting PCB
CNC3
CNC5
CN10
CN3
CNC2
CNC1
CON603
CON102
CN8
CN100
CON101
VFD+12V
VFD-27V
VFD +5V/+5V
+3V3STBY
SCON1
CON604
CON601
CN9
U101,U102,U1
Содержание CA-NXT10
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