Hytera RD985 - Page 283

5 5
4 4
3 3
2 2
1 1
D D C C B B A A
9V/1A
9V/1A
APC_comp
Vset_comp
Vrev_DET
Vfwd_DET
VSWR_Protect_Volt
APC
APC_comp
Temp_Protect_Volt
Model Name:
Prepare:
File No.:
Rev:
Date: Page:
of
Part Name:
HYT Science&technology Co.Ltd.
Check:
Approve:
V4.0
33
RD-980 PA BoardModel Name:
Prepare:
File No.:
Rev:
Date: Page:
of
Part Name:
HYT Science&technology Co.Ltd.
Check:
Approve:
V4.0
33
RD-980 PA BoardModel Name:
Prepare:
File No.:
Rev:
Date: Page:
of
Part Name:
HYT Science&technology Co.Ltd.
Check:
Approve:
V4.0
33
RD-980 PA Board
Vout
HYT-RD-SCD-CD-
TEMP/VSWR PRO
Monday,December 13,2010
RD980 VHF
থᇘ⧚೒˄偏⊶ঞ⏽ᑺֱᡸ⬉䏃˅
R520 100 R520 100
R509
91k
R509
91k
R510 270k R510 270k
R515 NC R515 NC
C478 220p C478 220p
R535 3.3k R535 3.3k
R527 NC R527 NC
R525 470k R525 470k
C569 1000p C569 1000p
R519 100 R519 100
C556 NC C556 NC
R513 100 R513 100
R536 0.1u R536 0.1u
C574
NC
C574
NC
+ -
U407A
+ -
U407A
1
411
3 2
D408D408
1 2
3
C568 NC C568 NC
C558 0.1u C558 0.1u
R526 0 R526 0
+ -
U407B
+ -
U407B
7
411
5 6
C555 0.1u C555 0.1u
C557 1000p C557 1000p
R538 3.3k R538 3.3k
C570 220p C570 220p
R524 470k R524 470k
R522 470k R522 470k
C572
NC
C572
NC
+ -
U407C
+ -
U407C
8
411
10
9
C571 2.0k C571 2.0k
R454 39.2k R454 39.2k
R517 220kR517 220k
R521 1.2k R521 1.2k
R455
43.2k
R455
43.2k
+ -
U407D
+ -
U407D
14
411
12 13
C477 1800p C477 1800p
R532 10k R532 10k R537 0 R537 0
C554 220p C554 220p
R452 0R452 0
R533 220k R533 220k
C573
NC
C573
NC
C563 220p C563 220p
R534 10kR534 10k
R523 470k R523 470k
C476
2200p
C476
2200p
C564 220p C564 220p
C565 NC C565 NC
RD98X Schematic Diagram (TX_VSWR & Temperature Protection Circuit)
280