Tc-610/620 Vhf/Uhf Level Diagram - HYT TC-610 Service Manual

TC-610/620 VHF/UHF Level Diagram

TX PART
16mVrms
AN29160
MICROPHONE
Mic Amp AF HPF
40
Mic Mute
AF
RX PART
-120dBm -122dBm
TUNE BPF
BPF
450mVrms 150mVrms -45dBm
VCO
Q100
C112 2SK508NV
C
1
SF Amp
LMT
51
D104
Q101
2SK508NV
VR200
47K
-10dBm
-104dBm -108dBm
LNA TUNE BPF RF MIXER
Q500 Q501
AT41511 3SK318
BPF 3
2
RF
-26dBm -8dBm
buffer stimulator
Q400 2SC5108
Q104
Q102 D400
C130 C141
C400
1 1
D500
RF
LPF
-98dBm -103dBm -67dBm
-69dBm
AN29160
1stIF BPF
2ndIF
23 BPF 25
IFAmp 1
IFAmp 2
21
MIX2
DET
38.85M
IF
84
TC-610/620 Service Manual
3dBm 15dBm 27dBm
power AMP
Q401 2SK4988
Q402 Q403
2SK3475 RQA0002
C402
C405 C412
1
2 2
attenuator
step1to23
250mVrms 200mVrms
de-emphasis
29 44
AF HPF
AF mute
Volume
52
SW
AF
39dBm 37dBm
LPF
C429
1W(BTL)
AF AMP
TDA2822 16 Ω IW