Kenwood TK-5810H Service Manual page 33

F
TX-RX UNIT(X57-7270-XX)
TX2RX2 Q410
RN47A4-F
L411 R467
1k
L409
TX1RX1
D409,410
VCO1/2 SW
Q409
RN47A4-F
TX
L410 R466
1k
RX
ASSIST
MO
CV
* R232 * L220 * L221
MCF ADJ
CN202
D208,209
C244
IF
FILTER
8p
SW
D208
HVC131
L212 C239 L217
L34-4748-05
150n
68p
D209
HVC131 C245
8p
L218
L34-4748-05
MO
X57-7270-XX D402 D403 D405 D408
-10 K 1SV305F HVC376B BB664 1SV305F
-11 K2 1SV282-F NO 1SV282-F 1SV282-F
X57-7270-XX R479 R481 R482 R486 R487
-10 K 390 390(D) 470(D) 150 100
-11 K2 470 560(D) 270(D) 180 0
G
SCHEMATIC DIAGRAM
[ K ] 400 - <485MHz:7.00V
485 - 520MHz:0V
[K2] 400 - <435MHz:7.00V
435 - 470MHz:0V
RXVCO 1
7.21V
[ K ] 450 - <485MHz:0V
485 - 520MHz:7.00V
[K2] 400 - <435MHz:0V
435 - 470MHz:7.00V
RXVCO 2
D413,414,416,417,421
VCO CONTROL
L416 R478 L427
1.0u
0
L417
R477
0
D408,409,411,412,422
2.13V VCO CONTROL
L415 R474 L422
0 1.0u
L414
L408 R473
0
C490
10u10
D402,403,405-407
VCO CONTROL
R470
0
L413 R471 L418
1.0u
0
L412
7.65V
* R242
LOCAL AMP
Q203
0.93V
2SC3357-A(RF)
* C260
* C263 * R240
0.34V
W:0.06V
N:4.96V
NARROW
XF200
D210,211
L71-0626-05
C256
IF
FILTER
9p
SW
D210
HVC131
L222
L34-4749-05
WIDE
XF201 D211
L71-0625-05 HVC131
C257
8p
L223
L34-4749-05
W:3.33V Q201
N:0.10V DTC114EE
DC SW
D409 D413 D414 L220 L221 L224
HVC376B 1SV305F HVC376B 15n 15n 18n
NO 1SV282-F NO 22n 22n 33n
R489 R490 R493 R494 R499 C251 C252 C253 C260
220 100(D) 220(D) 100(D) 27k 5p 10p 5p
270 0 330(D) 0 22k 8p 12p 8p
H
TK-5810H
RIPPLE FILTER
7.92V
Q412
2SC4116(GR)F
R484
10
R476 * R481 L438
1.0u
0
* C497
Q415
2SK508NV(52K)
* C496 D416 * C499 * L437
1SV282-F
L429
1.0u
* R482 L435
1.0u
* C491
Q414
D411
C489 C494 L434 2SK508NV(52K)
*
33p(G) 1SV282-F 7p
L425
1.0u
L424 R499 R480 R488
*
270k 100k
MODULATOR
R479 L432
*
1.0u
Q413
C485 D405 C488 L431 2SK508NV(52K)
* * * *
L420
1.0u
* C266
7.88V
R251
6.8k
D212,213
IF
FILTER
SW
IF AMP
D212
7.56V
Q204 HVC131
0.91V
2SC3357-A(RF)
C270
C268 L225
0.01u
100p 680n
D213
0.16V HVC131
W:3.33V
N:0.10V
DC SW
Q202
DTA114EE
L431 L434 L437 L441 R231
L34-4607-05 17.5n L34-4608-05 22n L34-4608-05 22n 18n 180
L34-4608-05 22n L34-4609-05 28n L34-4609-05 28n 27n 270
C261 C263 C266 C485 C488 C491 C492 C496 C497
5p 470p 12p 470p 100p 12p 1p 470p 100p 1.5p
4p NO 100p 100p 27p 15p 0.5p 680p 39p 0.5p
I
7.62V
*
RXVCO 1
VCO 1/2 L
STR H
Q415
0.73V
Q416
VCO OSCILLATION
2SC5108(Y)F
* C522
BUFFER AMP
C524 * R494
0.5p
RXVCO 2
VCO 1/2 L
STR H
Q414
VCO OSCILLATION
C516
6p
C518 * R490
0.5p
TXVCO
STR L
C510
Q413
4p
VCO OSCILLATION
C512 R487
*
0.5p
W:0.06V
N:4.96V
NARROW
XF202
L71-0626-05
C273 C281
9p 9p
D214
HVC131
L227 L229
L34-4748-05 L34-4749-05
WIDE
D215
XF203 HVC131
L71-0625-05 C282
C274
8p
8p
L228 L230
L34-4748-05 L34-4749-05
R232 R233 R236 R237 R239 R240 R241 R242 R243
33 180 220 10k 180 33 180 330 18k
18 270 68 560 270 18 270 33 3.9k
C499 C502 C514 C521 C522 C523 C527
10p 2p 6p 7p 6p 6p 6p
9p 2.5p 7p 9p 7p 5p 5p
J
( )
B
C527
RX LO1
D214,215
IF
FILTER
SW
MO
X57-727 2/4