Kenwood NXR-800 Service Manual page 181

OPTION UNIT(OCXO)(X42-3280-20)
DC SW
Q13
SSM6L05FU-F
R79
100k
C31
R89
1k
0.1u
CN3 F1
2.5A
1 8oCXo
2 GND
F53-0324-05
R67
100
R15
100k
CN1
1 REF_SW2 DC SW
Q4
2 GND
SSM3K15TE(F)
3 oX_SDo2 R6
4 oCXo_EXIST 470
5 oX_SDI2
6 oCXo_CURR
7 oX_SCLK2
DC SW
8 oCXo_oN
SSM3K15TE(F)
9 oCXo_VR_EN
R5
10 oX_SCL
470
11 oX_SDA
12 GND
13 33MPU
REF_SW_2
C71 C72
100p 27p
C35 L19 L20 L21
2.2u 680n 560n
0.1u
RF AMP
Q6
2SC4617(R)
R26
C104
0.27
0.01u
C87
470p
3 4
-IN +IN
2
V-
1 5
oUT V+
IC4
LTC6101BIS5-F
OP AMP
DIGITAL POTENTIOMETER
IC3
AD5231BRU10
1 16 R82 100k
o1 o2
2 15 R83
100k
CLK RDY
3 14
R10
1k
SDI CS
4 13 R68
10k
SDo PR
5 12 R69
1k
GND WP
6 11
VSS VDD
7 10
T A
8 9
B W
R17
470k
Q3
DC SW
Q2
SSM3K15TE(F)
R4
470
EEPROM
IC11
S24CS02AFJTBG
1 8
A0 VCC
R90 0 2 7
A1 WP
R91 0 3 6
A2 SCL
R92 0 4 5
GND SDA
R80
470
L15
R59
820 33u
DC SW
D5
JDP4P02U
C47 C54
R85 1 4
C62
0 2 3
0.1u 0.1u
0.1u
DC SW
Q15
2SJ484
C88
470p
DC SW
Q16
SSM3K15TE(F)
R76
470
X1
L77-1977-05
3 4 R81 R28
VDD oUTPUT
2 0 100
REF_V
R20 1 5
FREQ_ADJ
GND
100
R34
15k
OP AMP
IC6
TC75S59F-F
5 R33
1
VDD IN-
47k
2
VSS
4 R31
3
oUT IN+
1k
DC SW
Q14
SSM3K15TE(F)
C100
0.1u
C102
OX_SDA
R93 1k
470p
OX_SCL
R94 1k
R95 1k
DC SW
Q17
SSM3K15TE(F)
C64
R55 CN2
X55-312 (A/3)-CN407
18
0.1u
VOLTAGE REGULATOR
IC9
NJM7805FA
IN OUT
GND
INVERTER
IC10
TC7SHU04F-F
1 5 L5 L6
NC VCC
2
12u 15u
INA
C17 C81 C82
3 4 R88
GND oUTY
1k
0.1u 5p 1.5p
(B) (B)
DETECTOR
D8
HSM88AS-E
C13
0.1u
Q5
2SC4617(R)
RF AMP
ADC
IC12
C101
AD7418ARMZ
1 8 R97
0.1u
SDA CoNVST
C103
2 7 10k
SCL VDD
R96 3 6
470p
oTI REFIN
10k 4 5
GND AIN
TX UNIT
C22
0.1u
C80
R36
1k
0.1u
OCXO_CURR