Kenwood TKR-D710 Service Manual page 100

U
TKR-D710
SUB UNIT (TX VCO/PLL) (X58-5200-10) (B/2)
SSM6L05FU-F
R350
470k
SSM6L05FU-F
R351
470k
CN350
GND 1 1 GND
TXVCOB 2 2 TXVCOB
80C_1 3 3 80C_1
TXVCOA 4 4 TXVCOA
TX_CV 5 5 TX_CV
MO 6 6 MO
TXASSIST 7 7 TXASSIST
SUB UNIT (TX VCO/PLL) (X58-5200-10) (A/2)
TX_CV
16.8MHz-->
DC SW
14.50V
Q604
2SC5383-T111
14.46V
19.2MHz -->
19.2MHz -->
VT2 -->
VT1 -->
100
X57-894 5/8, X58-520 (A,B/2) 1/1
V
SCHEMATIC DIAGRAM
Q350
R354
D352,355,358,359
470k
FREQUENCY
CONTROL
DC SW
L350
R357 C354
VCOA:3.30V
VCOB:0V
0 10u
1000p 1SV282-F
DC SW
Q351
R373
470k
VCOA:0V
VCOB:3.30V
L365
R353
0
3V
L351
R358 C355
10u
0 1SV282-F
1000p
R355 C350 L366
10k 0.1u
D353,357,360,361
FREQUENCY CONTROL
R325
0
R331
0
L300 R301 R303 R305
390 0 0
5.08V
3.21V
7
C308 NC
0.01u 8
/OSC_AC_GND
L303
C333 R327 C309 9
OSC
1.2u
0.01u 0 0.01u 10
OSCout
C310 11
VCC_SOC
12
0.01u
GND_OSC
3.25V
3.26V
13.87V
OP AMP
R646
IC607
0
LMC7101BIM5
1 OUTPUT 5
V-
2
V+
R647 3 4
INPUT+ INPUT-
1k
TX ASSIST
W
VCOA:7.07V
R361
VCOB:0V
33
V-TXVCO A
VCO OSC
D355 C362
Q352
MCH3914(8)-H
22p
L354
2.2u
R362
33
VCOA:0V
VCOB:7.07V
V-TXVCO B
VCO OSC
D357 C363 Q353
MCH3914(8)-H
22p
L355
2.2u
R312
47
4.94V
C323 L309 C330 C332
Q300
68n
3p 5p 1000p
2SC5636
BUFFER AMP
R308 10
R310 1k
C314 1u25
C315 100p
C316 100p
C317 0.01u
C318 100p
L312
R311 10
25
GND
24
Max_out
23
PLL
Mod_in
22
IC300
Clock
SKY72300-362
21
/CS
20
Data
VCC_digital 19 L313
3.21V
C320 100p
C321 100p
R658
10k
CN604
TX_AST
DC SW
D600
DA221
R656
10M
R655
390k
X
TX-RX UNIT (X57-894K-01)
7.05V
CN351
GND 2 2 GND
C378 R372 Vo 1 1 Vo
12p 0
Q354
2SC5636
BUFFER AMP
R374
0
R377
0
R322 R324
8.2 8.2
L310
C326 100p
R313 47k
CN303
FIN 1 1 FIN
R315 100 SPSCLK0 2 2 SPSCLK0
R316 10 /TXPCS 3 3 /TXPCS
R317 100 SPSD0 4 4 SPSD0
C335 100p 33C 5 5 33C
50C 6 6 50C
LDT 7 7 LDT
REF 8 8 REF
3.27V
5.07V
16.8MHz-->
CN606
TX_CV
C660
10p
R659
5.07V
220k
R665
0
IC608
TC75W51FK(F)
AF AMP
Y
L607
47n
L608
47n
L615 SPSCLK0
R663 0 /TXPCS
L616 SPSD0
33C
50C
C663
0.01u
19.2MHz -->
19.2MHz -->
VT2 -->
VT1 -->