Kirisun PT4208, Service Manual

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PT4208 Service Manual
18
5. Output short circuit protection function (the current for
short circuit is lower than 10mA)
9.5 LED Status Table
Charger Status LED Status
Charging
Indicator
(red)
Power
Indicator
(green)
Indicator for
abnormal battery
temperature
(yellow)
Standby/Unconnect
ed with Battery
/ Light /
Pre-charge Flash / /
Rapid charge Light / /
Charging completed / Light (Ni-MH) /
Charger output
short circuit
/ / /
Abnormal
charging status
/ / Light
9.6 Descriptions
Face the charger, from left to right:
Red LED: Charging indication
Green LED: Power indication or charging completion
indication
Yellow LED: Abnormal charging indication
BAT-: Charging output cathode
DECT: Battery type detection
Suspended: Ni-MH battery
Grounded: Li-ion battery
TEMP: Battery temperature detection. In the battery pack,
there is a thermosensitive resistor (model: NTC103J)
between the output terminal and the ground to detect the
battery temperature.
BAT+: Charging output anode
Appendix 1 Abbreviations
AMP: Amplify, amplifier
ANT: Antenna
APC: Automatic Power Control
BPF: Band Pass Filter
CTCSS: Continuous Tone Control Squelch System
DCS: Digital Code Squelch
DEMOD: Demodulation
E
2
PROM: Electrical Erasable Programmable Read Only
Memory
HPF: High Pass Filter
IDC: Instantaneous Deviation Control
IF: Intermediate Frequency
LED: Light-Emitting Diode
LNA: Low Noise Amplifier
LPF: Low Pass Filter
MCU: Micro Control Unit
MIC: Microphone
MOD: Modulation
MONI: Monitor
PLL: Phase Lock Loop
PTT: Push-to-talk
RX: Receiver
SPK: Speaker
TCXO: Temperature Controlled Crystal Oscillators
TX: Transmitter
UL: Un-lock
VCO: Voltage Control Oscillator
Appendix 2 Electronic Parts List
Electronic Parts List (420-470MHz)
No. Part No. Description Unit Qty. Position Mark
1 101-04208U-R04 PT4208PCB, FR-4, 1.2mm, PT4208U-081224, ROHS pcs 1
2 102-0R8C2A-R01 MCU / R8C/2A, R5F212A8SNFP, PLQP-64, ROHS pcs 1 IC10
3 102-9140NR-R01 Reset IC / PST9140NR, ROHS pcs 1 IC11
4 102-A31136-R01 IF(MF) modulation IC / TA31136FN, SSOP, ROHS pcs 1 IC5
5 102-AT2408-R01 Memory IC / AT24C08BN-SH, ROHS pcs 1 IC9
6 102-B15E03-R01 PLL IC / MB15E03SL, PLL,16-PIN, SSOP, ROHS pcs 1 IC1
7 102-DA8541-R01 AUDIO, AMP / TDA8541, SO8, ROHS pcs 1 IC8
8 102-HT7130-R01 Voltage regulator IC / HT7130-1, SOT-89, ROHS pcs 1 IC14
9 102-HT7150-R01 Voltage regulator IC / HT7150-1, ROHS pcs 1 IC12
10 102-M2902V-R01 Operational amplifier/ NJM2902V, OP-AMP, ROHS pcs 3 IC4, IC6, IC7