Kenwood TS-2000 Service Manual page 163

TS-2000/X
BLOCK DIAGRAM
IC602
Q604
AD9835BRU
2SC4617(R)
TX LO3 LPF 10bit
COS ROM
10.583MHz –1dB DAC
2SC4617(R)
PDA
32bit Pahse
PCK I/O
Accumulator
DEN4
IC603
Q606
AD9835BRU
2SC4617(R)
RX LO3 LPF 10bit
COS ROM
11.050MHz –1dB DAC
2SC4617(R)
PDA
32bit Pahse
PCK I/O
Accumulator
DEN5
IC601
Q602
AD9835BRU
2SC4617(R)
RX LO4 LPF 10bit
COS ROM
467kHz DAC
–1dB
2SC4617(R)
PDA
32bit Pahse
PCK I/O
Accumulator
DEN6
TX-RX 1 (HF/IF)
X57-605 (A/9)
226
From
CONTROL
X53-391
IC404
BU4094BCFV
HF VCO1 BSW1
PDA
Serial to HF VCO2 BSW2
PCK
Parallel
HF VCO3 VSW
PENA
B LU SW USW
IC400 PLL 8V
TA7808F
8V AVR 5V AVR
PLL 5V
IC403
TA7805F
UL SW UL
Q422
DTC114EUA
IC408 : AD9835BRU
Q432
7.792~8.209MHz
2SC4617(R)
10bit DDS LPF
COS ROM
DAC –1dB
Q425
2SC4617(R)
PDA
32bit Pahse
I/O PCK
Accumulator
DEN1
LMX2306TMX
Phase
IC406 : AD9835BRU
Detector
9.014~9.321MHz (K)
Q429 563~
9.112~9.210MHz (E)
2SC4617(R) 582kHz
10bit DDS LPF
COS ROM 1/16
DAC –1dB
Q423
2SC4617(R)
PDA
32bit Pahse
I/O PCK
Accumulator
DEN2
IC407 : AD9835BRU
8.328~8.476MHz (K)
Q430
8.348~8.469MHz (E) CF400
2SC4617(R)
10bit DDS LPF
COS ROM 8.4 BPF
DAC –1dB
Q424
2SC4617(R)
PDA
32bit Pahse
I/O PCK
Accumulator
DEN3
Q412
2SC4617(R)
2 pole
BPF
14/43 LO2
Q603 Q417
31.200MHz 2SC4617(R)
CN23 0dBm CN507
LPF VU 2nd LPF
–4.5dB –1dB
Q605
X400 : L77-1820-05
Q420
15.600MHz
2SC4617(R)
Q601
–1dB
CN22
TX-A18 (KENWOOD DEVICE)
0.5ppm (–10~+50°C), 1.0ppm (–20~+60°C),
TX-RX 2 (PLL)
X57-606 (B/11)
CN7
CN501
HF REF
Q427
2SK508NV(K52)
D408
31.130~32.834MHz
KV1460
Loop
Filter
Q426
DTC114EUA
Ripple Ref VCO
Filter SW
Q438
2SC4617(R)
IC409
LMX2306TMX IC414 : LMX2306TMX
Phase Splitter
1/64 1/R
Detector –5.5dB
–6.7 –6.7
487~ dBm dBm R=24~32
512kHz
PDA PDA
1/16 I/O PCK PCK I/O
PEN1 PEN2
UL
VHF REF
D438
MA2S111
Q441
2SK508NV(K52)
36.06~37.29MHz (K)
D413 Q444
36.45~36.84MHz (E)
KV1460 2SC4617(R)
Loop
Filter
Q439
DTC114EUA
Ripple Ref VCO LPF
Filter SW –1dB
Q455
2SC4617(R)
VHF
VSW
Q433
IC411 2SK508NV(K52)
IC410 : LMX2306TMX 183.795~193.895MHz (K)
D411,412
185.795~187.895MHz (E)
1SV283 x 2
Splitter Phase Loop
1/64 1/30
–5.5dB Detector Filter
–6.7 –6.7
Q436
dBm dBm 1201~
DTC114EUA
1242kHz
PDA PDA Ripple
14 VCO
VSW
I/O PCK PCK I/O 1/153,156
Filter SW
PEN1 PEN3
Q446
2SC4617(R)
–6.3dBm
UL
D422
MA2S111
UHF
Q431
2SK508NV(K52)
IC412 : LMX2306TMX Q448,449,451 378.105~418.205MHz (K)
D409,410
388.105~398.205MHz (E)
2SC3722K(R) x 3
1SV283 x 2
Phase Loop
1/16
Filter
Detector
Q434
520~
DTC114EUA
530kHz
PDA
Ripple 43 VCO
USW
PCK I/O 1/N
Filter SW
PEN4
Q458
N=
2SC4617(R)
726~790
–7.7dBm
UL
D423
MA2S111 SUB
Q406
2SK508NV(K52)
322.950~426.040MHz (K)
IC402 : LMX2316TMX Q400~402
D401
405.050~409.050MHz (E)
2SC3722K(R) x 3
KV1460
Phase Loop
x2 1/R
Detector Filter
Q410
5kHz 6.25kHz
DTC114EUA
PDA
B VCO1
PCK I/O 1/N B LU SW B LU SW
SW
PEN6
Q404
DTC114EUA
BSW1
Q407
UL 2SK508NV(K52)
354.950~465.050MHz (K)
D402
D407
371.475~381.475MHz (E)
MA2S111 KV1460
Q411
DTC114EUA
B VCO2
B LU SW
SW
Q418
Q405
2SC4617(R)
DTC114EUA
Ripple BSW2
Filter
HFLO2
Q409
IC401 : LMX2306TMX 2SK508NV(K52)
D403,406
58.390, 65.230MHz
MA2S304 x 2
LPF Phase Loop
1/R
Detector Filter
Q403
R= 10kHz
DTC114EUA
226,319
PDA Ripple
HF 2nd
PCK I/O 1/N
Filter VCO SW
PEN5
Q419
N=
2SC4617(R)
945,1194
–5.7dBm
UL
D445
HF VCO1
D400
MA2S111
D446
HF VCO2
D447
HF VCO3
MA2S111 x 3
HF LO1
Q459
2SK508NV(K52)
D416 D418
Q428
75.855~86.085MHz
2SC4617(R) 1SV283 MA2S077
–1dB
Q453
DTC114EUA
LPF HF VCO1
HF VCO1
–1dB SW
Q464
2SK508NV(K52)
D420 D421
92.825~106.085MHz
1SV283 MA2S077
Q450,452,447
2SC3722K(R) x 3
–1dB
Q463
Phase Loop
DTC114EUA
Detector Filter
972~ HF VCO2
HF VCO2
SW
1027kHz
Q460
1/N
2SK508NV(K52)
D417 D419 Q462
112.825~129.085MHz
N= 1SV283 MA2S077 2SC4649(N,P)
75~127
LPF
Q473
–1dB
2SC4617(R) –1dBm
–1dB
–11dBm Q454
Ripple DTC114EUA
Filter
HF VCO3
HF VCO3
SW
D426 D430
RN731H MA2S077
Q437 ATT
2SC5108(Y) –2.2dB
–8dB –15
–1dB –1dB
dBm
Q469
–14 UMC2N
–2.5
dBm
14 RX
dBm
LPF Splitter
ATT 8X SW
–1dB –6dB –5.5dB
4.5 3.5
dBm dBm
VRXC
Q457
Q470
2SC5108(Y)
UMC2N
–0.3dBm
ATT
–8dB
–6dB 14 TX
8X SW
13.7dB
–1dB –1dB
D427 D431
RN731H MA2S077 VTXC
Q471
D428 D432
RN731H MA2S077 UMC2N
Q435 43 RX
8X SW
2SC5108(Y)
–8.2
–1dB –1dB
dB
URXC
–2.7 Q472
dBm
UMC2N
LPF ATT Splitter
–1dB –5.5dB
0.5 –0.5 –2.2dB 43 TX
8X SW
dBm dBm –15
dBm
Q461
2SC5108(Y)
UTXC
–8.2 –14
–1.7dBm
ATT
dB dBm
–6dB ATT
–2.2dB
12.5dB
–1dB –1dB
D429 D433
RN731H MA2S077
Q413
2SC5108(Y)
–15dBm
ATT
–6dB
–8.5dBm
LPF Splitter
–1dB –5.5dB
–2 –3
dBm dBm
–8.5dBm
Q414
2SC5108(Y)
LPF
–1dB
–2 –3
dBm dBm
Q416
2SC5108(Y)
Q415
2SC4649(N,P)
–8.5dBm
LPF
Splitter
–1dB
–0.5 –1.5
dBm dBm
–3.5dBm
ATT
–2.2dB
Q476
CN502
2SC4649(N,P)
HFLO1
HF LO LPF ATT HF LO LPF
–1dB –3dB –1dB
4dBm 3dBm 75.855~
129.085MHz
D439 D440
–11dBm 0dBm
MA2S077 MA2S077
ATT
–3dB
Cutoff SW Cutoff SW
–7.5dBm
Splitter HF LPF
–5.5dB 8V SW
–2dBm
Q474
UMC2N
–7.5dBm
HF VCO1
ATT
–3dB
CN502
14/43 RXLO1
IC415 D434 D441
UPC2709TB MA2S077 MA2S077
183.895~
14 LO LPF ATT
193.895MHz (K)
–2dB –3dB
–17 4.8 3.8 1.8 0.8
185.895~
–1dB –1dB
22dB
dBm dBm dBm dBm dBm 187.895MHz (E)
–2.2dBm
378.105~
–16
418.105MHz (K)
dBm
388.105~
395.105MHz (E)
–0.9dBm
43 LO LPF
–2dB
6.1 5.1 3.1 2.1
–1dB –1dB
dBm dBm dBm dBm
D435 D442
MA2S077 MA2S077
CN504
14/43 TXLO1
D436 D443
MA2S077 MA2S077
183.795~
14 LO LPF ATT
193.795MHz (K)
–2dB –3dB
4.8 3.8 1.8 0.8 185.795~
–1dB –1dB
dBm dBm dBm dBm 187.795MHz (E)
–2.2dBm
378.205~
418.205MHz (K)
388.205~
398.205MHz (E)
–0.9dBm
–17
dBm
IC416
UPC2709TB
43 LO LPF
5.1 –2dB 3.1
–16 6.1 2.1
–1dB –1dB
dBm 22dB dBm dBm dBm dBm
D437 D444
MA2S077 MA2S077
IC405
CN505
UPC2709TB
SLO1
7.5dBm 6.5dBm
B LO LPF ATT
–1dB –6dB
322.950~
22dB 465.050MHz (K)
405.050~
409.050MHz (E)
371.475~
381.475MHz (E)
0.5dBm
Q421
CN506
2SC4649(N,P)
HFLO2
6dBm 5dBm
HF 2nd LPF ATT
–1dB –1dB 58.390~
14.5dB 65.230MHz
4dBm