Kenwood NX-210 Service Manual page 86

AY
NX-210
SCHEMATIC DIAGRAM
THP
50T
50C
/T_R
Q505
EMD9
BUFFER
AMP SW
R:0mV
Q503
T:4.99V
DTA114YEB
R:5.00V
T:5.00V
BUFFER AMP SW
BUFFER AMP SW
D515
R:4.97V
T:1mV
HVC131
BUFFER AMP SW
R:8mV
Q504
T:4.97V
SSM3K15TE(F) BUFFER
AMP SW
C542 D505
1000p HVC131
R549 L505 C547 R557
1.8u
0 470p 0
FREQUENCY
CONTROL
R539
0
R550 L506 C548 R558
3.3u
0 470p 0
FREQUENCY
CONTROL
R545
0
R:4.99V
T:4.99V
SPEED UP
DIODE
50R
R:4.73V
T:0.30V
R622
560k
R:0.70V
T:0.28V
IF AMP
C631 R628
Q515
2SC4215-F(Y) 0.01u
50R
+B
86
X57-771 (A/2) 10/11
AZ
R:3.29V R:4.99V
T:1.8mV T:0.00V
L527
C567 C584 C601
82n
470p 1.5p(B) 470p
L517
C556
C551 C586
82n
470p 3p(B) 470p
D508,510,511
FREQUENCY
CONTROL
RX VCO
D508 C557
1SV282-F 27p
D509,512,513
FREQUENCY
CONTROL
TX VCO
D509 C558
1SV282-F 47p
TX MODULATION
RIPPLE FILTER
Q507
2SC5383-T111
R:4.96V
T:4.96V
R:4.95V
T:0.30V
R:4.95V
T:0.30V
XF501
L71-0640-05
C638 R635
220 0.01u 220
R638
47
BA
R:4.66V
BUFFER
T:4.67V
AMP SW
D517 C611
Q513
2SC5636
R:2.49V
HVC131 1000p
T:2.47V
BUFFER AMP
BUFFER
R:2.00V
AMP SW
T:1.95V
R:1.16V
D518
T:1.15V
HVC131
C618
10p
R:1.12V
T:1.12V
R:4.13V
VCO OSCILLATION
T:0mV
Q508
R:0mV
R584
2SK508NV(K52)
T:0mV
22
R:1.15V
T:0mV
C593
0.5p(B)
R:0mV
VCO OSCILLATION
T:4.01V
Q509
R:0mV
R585
2SK508NV(K52)
T:0mV
22
R:0mV
T:1.07V
C594
0.5p(B)
R:4.25V
T/R SW
T:4.25V
Q510
SSM6L05FU-F
R573
470k
R:4.26V
T:4.26V
L539 L540
33n
C653 C659
R642
5p(B) 3p(B)
4.7k
CN504
BPF
R:4.68V
T:0.30V
L538
MIXER
Q517
560n
3SK318
R:0.85V
R643
T:0mV
680
BB
TX-RX UNIT (X57-7710-10) (A/2)
50C
C629
D519,520
LOCAL SW
0.1u
C625 D520 C641
1000p HSC277 1000p
R:4.78V
T:4.77V
C633
Q514 10p
2SC5636
BUFFER AMP
R:3.85V
R595
T:3.84V
R:0.77V
150k
T:0.77V
BUFFER AMP
Q512
2SC5636
R:0mV
T:4.13V
R:4.28V
T/R SW
T:4.28V
Q511
2SJ347F
R:4.25V
T:0mV
R:3.27V
T:0.8mV
R587
470k
33n
R:2.46V
T:0.15V
C669
1000p
R:2.46V
T:0.15V
BC
THP
50T
C649
56p
50R
C670
7p(B)
50R
+B