UHF2 (450-520MHz) Information Service
Manual
210
Description of Normal Situations:
[1] During transmission, output voltage by Q107 PIN3: about 4V.
During reception, output voltage by Q106 PIN3: about 4V.
[2] During transmission, voltage at Q108 E: about 1.8V.
During reception, voltage at Q104 E: about 1.8V.
[3] The CV value varies with frequencies. Generally, it is within the range 0.5V-4.5V.
[4] L110/L116 is on.
[5] Voltage at Q101/Q102 B: about 0.7V.
[6] MCSI-CLK-PLL outputs 960 KHz clock.
Summary of Contents for PD70X Series
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Page 49: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G PCB View Main Board Bottom Layer 39 ...
Page 50: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Top Layer 40 ...
Page 51: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Bottom Layer 41 ...
Page 52: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Top Layer 42 ...
Page 53: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Bottom Layer 43 ...
Page 54: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Top Layer 44 ...
Page 55: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Bottom Layer 45 ...
Page 57: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G Block Diagram Baseband Section 47 ...
Page 127: ...Service Manual UHF1 400 470MHz Information 117 Transmitter Circuit ...
Page 138: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G PCB View Main Board Bottom Layer 128 ...
Page 139: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Top Layer 129 ...
Page 140: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Bottom Layer 130 ...
Page 141: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Top Layer 131 ...
Page 142: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Bottom Layer 132 ...
Page 143: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Top Layer 133 ...
Page 144: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Bottom Layer 134 ...
Page 146: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G Block Diagram Baseband Section 136 ...
Page 217: ...Service Manual UHF2 450 520MHz Information 207 Transmitter Circuit ...
Page 228: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G PCB View Main Board Bottom Layer 218 ...
Page 229: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Top Layer 219 ...
Page 230: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Bottom Layer 220 ...
Page 231: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Top Layer 221 ...
Page 232: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Bottom Layer 222 ...
Page 233: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Top Layer 223 ...
Page 234: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Bottom Layer 224 ...
Page 236: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G Block Diagram Baseband Section 226 ...
Page 307: ...Service Manual UHF3 350 400MHz Information 297 Transmitter Circuit ...
Page 318: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G PCB View Main Board Bottom Layer 308 ...
Page 319: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Top Layer 309 ...
Page 320: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Bottom Layer 310 ...
Page 321: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Top Layer 311 ...
Page 322: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Bottom Layer 312 ...
Page 323: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Top Layer 313 ...
Page 324: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Bottom Layer 314 ...
Page 326: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G Block Diagram Baseband Section 316 ...
Page 401: ...Service Manual UHF5 806 941MHz Information 391 Transmitter Circuit ...
Page 413: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G PCB View Main Board Bottom Layer 403 ...
Page 414: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Top Layer 404 ...
Page 415: ...PD70X PD70XG HD705 HD705G PCB View Channel Board Bottom Layer 405 ...
Page 416: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Top Layer 406 ...
Page 417: ...PD78X PD78XG HD785 HD785G PCB View Channel Board Bottom Layer 407 ...
Page 418: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Top Layer 408 ...
Page 419: ...PD78X PD78XG HD785 HD785G PCB View Keyboard Bottom Layer 409 ...
Page 421: ...PD70X PD70XG PD78X PD78XG HD705 HD705G HD785 HD785G Block Diagram Baseband Section 411 ...
Page 494: ...VHF 136 174MHz Information Service Manual 484 Transmitter Circuit ...