SCHASSIS PTBM049A0X
Reading Point | Adjustment | Description | Value |
OSCILLATOR | | | |
| CT1 | | 10.240MHz |
| Check | | 10.495MHz |
TP | VCO-Coil | VCO DC Voltage | 2,5 Volt @ 27.175MHz |
RECEIVER | | | |
T5 | RF Input | |
T6 | RF Input | |
L14 | 1st IF | 10,7MHz |
T7 | 1st IF | 10,7MHz |
T8 | 2nd IF | 455kHz |
T9 | 2nd IF | 455kHz |
T10 | AM Detector | 455kHz |
TRANSMITTER | | | |
L2 | PLL Output to Converter | |
T2 | PLL Output to Converter | |
L5 | Transmitter Output | |
T3 | Transmitter Output | |
T4 | Transmitter Output | |
L11 | Transmitter Output | |
L12 | Transmitter Output | |
METER | | | |
RV4 | RF Power Meter | |
RV501 | SWR Meter | |
RV3 | RF S-Meter | |
. | | | |
RV1 | Squelch | |
RV2 | AM Modulation | 90% |
COMPONENTS
PTBM049A0X Schematic Diagram
2SC1974 Finale Transistor
TA7205 Power Amplifier
TA7310 Oscillator, Mixer and Amplifier
PLL02A PLL Frequency Synthesizer