Kirisun PT568-01 - Figure 1 PT568 Block Diagram

PT568 Service Manual
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Figure 1 PT568 Block Diagram
ANT SW
RF PA
RF PA
DRI VER
DRI VER
PRE
RF
AMP
5T5T
5T
APC
SW
APC
CONTR OL
APC FROM MCU
CURRENT
SENSING
POWER SUPPLY
TX/RX SW
5T5R
RF
AMP
5C
BUFFERRXVCO
TXVCO
MOD E
RIPPLE F ILTER
5C
BUFFER
PLL IC
DATA FROM MCU CLK FROM MCU LE FROM MCU PS FROM MCU LOCK TO MCU
TC XO
12.8MHz
QT/DQT FROM MCU
CENTER FREQUENCY ADJUST FROM MCU
5C
5C
RF
AMP
5R
MI XER
5R
IF
AMP
5R
5C
12.8MHz TO
51.2MHz
DET COLL
51.65MHz +/- 15KHz
+/- 7.5KHz
450KHz
NOISE
AMP
TA31136NOISE DETBUSY SIGNEL TO MCU
AF
AMP
5R
AF
AMP
QT/DQT OUT TO MCU
AF
AMP
AF
AMP
5R
5R 5R
AF POWER AMP
AF
MUT E
MUTE
1
23
4
5
W558
CLK FROM MCU
DATA FROM MCU
BUS Y TO MCU
W/N
AF
MUT E
MUTE
5M
DTMF/BEEP FROM MCU
AF
AMP
5C
GND
AF
POWER
AFC N
POWER SW
3
3
4
4
2
2
1
1
2
SPK JACK
TXD
1
MIC JACK
AF
AMP
5C W/ N
GND GND
RXD
DTMF/BEEP FROM MCU
MODE
MC U
R5F212A8
7.3MHz RES ET
EEPROM
5M
5M
5M
ENCODER KE YS
TOPKEY UPPKEY MODE PTT DNKEY
SHIFT TO0 TO1 VDEVC1 VDEVC2 PABC WNTC PST2 IN UL DTAT CLK LE 5 MC INT TXD
RXD
AFC O
RX/TXVCO
APC SAVE MUTE
5RC 5TC
TI R SS I
BUSY
MANDOWN
BATT
W558C
ACBUSY_V
VCCN
DTMF DATA_ V S CLK_ V
G/R LED
VOLTAGE REGULATOR
5RC 5TC
SAVE
5M
5R
5T
5C
GND
BATT
3A
PT568 BLOCK
sw