Block Diagram - HYT TC-500 Service Manual

MIC
B201
2
1
2
1
AF AMP
U302
BAT
BATTERY
G602
LED
SPK
D602
LED
D601
MC9S08AC60
E2ROM
SDA/SCL
U603
VCC
VDD
Swich
5V
VT Q409
Q408
SP_JACK
J3
PJ-D3027D
MICJACK
VOX_DET
U613
D656
EXT_PTT
/EXT_MIC
RXD
U622
MCU
TXD
CSS/CODE/INT/SDO
/RXON/TXON/SQ/PDN
LDO
U621
V_BAT
LDO
U619
PA
Q407
2SC3356
APC
DAC/ADC
VDD
3
DSP
2
U101
RDA1846
PA PA
Q402 Q403
RD01 RD07
VT
BIAS DOWN
APC
U401
BAT
VT
VT
4
1
VRCR
5V
RX_EN
LNA
Q501
AT41511
PF1
ANT LPF
D401 D402