KX-NTV150NE - Panasonic PBX Service Manual (repair manual). Page 17

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17
KX-NTV150 Series  
9 Schematic Diagram
9.1.
Block Diagram
LED_B
LED_R
GPIO
LED_G
GPIO
0.2F,3.3V,Gold;Cap
GPIO
Power
Circuit
nReset
 24MHz
DC/DC 
Converter
CMOS Sensor
OV5658
3V3 
1V2
1V5
I2C
MIPI
GPIO
LDO
2V8
1V5
1V8
For CMOS Sensor
3V3 
32.768kHz 
For SOC RTC circuit
SPI FLASH 
128MByte(CS0)
SPI
SYSCLK1 12MHz
Reset IC
PT7M7811
POE
TPS23753
WDTC_nRESET
MII
25MHz
10/100 PHY
ROSSINI SIP 
VVTK8112
(DDR3 2Gbit)
External I/O (DI:1 DO:1)
4P CONN (Debug Port)
WIFI Module
UART2
I2S
I2C
Power 
Jack
FM1288
   (AEC)
tpa2011d1
Speaker
MIC
RJ45
With LAN TRANF
GPIO
USB
WPS/Reset 
Botton
call
Botton
    DI/DO
(open drain)
POE
5V_POWER
RJ45
Power Jack
9V_POWER
LDO
(2)
SY8113D
1V5
SY8113D
SOC
+
DRAM
SY8113D
Speaker
Main Board
(3)
(1)
3V3 
1V2
3V3 
TPA2011D1
(Amplifier)
WIFI MOD
3V3 
3V3 
FM1288
PHY
(1) 
1.5V
2.8V
LDO
Sensor 
Board
(3)
OV5658
(2) 
1.8V
LDO
LDO
Diode
Diode
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