Panasonic KX-VC300CX / KX-VC600CX Service Manual ▷ View online
9
KX-VC300CX/KX-VC600CX
4.2.
Circuit Operations
4.2.1.
Power Supply Circuit
This Power Supply Circuit supports input from a regular AC adapter.
The power supply is as follows;
Power Supply Block diagram
10
KX-VC300CX/KX-VC600CX
4.2.2.
Reset Circuit
4.2.3.
Clock Circuit
IC1502
Reset
Reset
Delay Time
IC
S W1501
IC1501
WDT
PIO5(4)
PIO8(6)
IC1503
Reset
IC
IC1504
Logic IC
XRST1
XRST0
IC1600
Main CPU
IC301
A_FPGA
WDT_RESET
IC1101
FROM0
IC1600
Main
CPU
CPU
IC118
Logic IC
IC121
DSP0
DSP0
XRST_DSP
IC201
DSP1
DSP1
IC 301
A_FPGA
IC901
USB
IC1002
MAC/PHY
PCRST
PIO[3]
PIO[9]
IC701
HDMI- TX
IC403
HDMI- RX
IC407
HDMI- RX
PIO[17]
IC601
V_FPGA
IC1403
IEC
I2S
Converter
PIO[2]
V3R3D
Voltage Watch
Voltage Watch
Voltage Watch
SW Input
470mS
Reset
Delay Time
470mS
V3R3D1
Enable : OFF
H Level
H Level
3
4
Reset
RESET Input
Support Card
Operation is different depending
on software Ver.
on software Ver.
Reset sequence waveform after power supply ON is done.
11
KX-VC300CX/KX-VC600CX
4.2.4.
Ethernet Circuit
4.2.5.
USB Circuit
4.2.6.
RS232C Circuit
12
KX-VC300CX/KX-VC600CX
4.2.7.
Input audio signal Block diagram
4.2.8.
Output audio signal Block diagram
4.2.9.
Digital BD microphone Block diagram
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