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PDF DJ-175 Data sheet ( Hoja de datos )
| Número de pieza | DJ-175 | |
| Descripción | Service Manual | |
| Fabricantes | ALINCO | |
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Hay una vista previa y un enlace de descarga de DJ-175 (archivo pdf) en la parte inferior de esta página. Total 28 Páginas | ||
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Service Manual
DJ-175
Specifications
Circuit Description
Parts List
Exploded View
PC Board View
Adjustment
Schematic Diagram
Block Diagram
http://www.DataSheet4U.net/
ALINCO, INC.
datasheet pdf - http://www.DataSheet4U.net/
1 page  
3) PLL Synthesizer System
1. PLL
The dividing ratio is obtained by sending data from the CPU (IC113) to pin 10
and sending clock pulse to pin 9 of the PLL IC ( IC101 ). The oscillated signal
from the VCO is amplified by the buffer (Q116) and input to pin 8 of IC102.
Each programmable divider in IC102 divides the frequency of the input signal
by N according to the frequency data, to generate a comparison frequency of
5 or 6.25kHz.
2. Reference Frequency Circuit
The reference frequency appropriate for the channel steps is obtained by
dividing the 21.25MHz reference oscillation (X102) by 4250 or 3400,
according to the data from the CPU (IC113). When the resulting frequency is
5kHz, channel steps of 5, 10, 15, 20, and 30kHz are used. When it is 6.25kHz,
channel steps of 12.5, 25 , and 50kHz are used.
3. Phase Comparator Circuit
The PLL (IC102) uses the reference frequency, 5 or 6.25kHz. The phase
comparator in the IC102 compares the phase of the frequency from the VCO
with that of the comparison frequency, 5 or 6.25kHz, which is obtained by the
internal divider in IC102.
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4. PLL Loop Filter Circuit
If a phase difference is found in the phase comparison between the reference
frequency and VCO output frequency, the charge pump output (pin 5) of IC102
generates a pulse signal, which is converted to DC voltage by the PLL loop
filter and input to the varicap of the VCO unit for oscillation frequency control.
5. VCO Circuit
A Colpitts oscillation circuit driven by Q108 directly oscillates the desires
frequency. The frequency control voltage determined in the CPU (IC113) and
PLL circuit is input to the varicaps (D105 and D107). This change the
oscillation frequency, which is amplified by the VCO buffer (Q113) and output
from the VCO unit.
datasheet pdf - http://www.DataSheet4U.net/
5 Page 
Ref. No. Parts No.
Q104 XT0210
Q105 XE0091
Q106 XE0092
Q107
Q108 XT0219
Q110 XU0211
Q111 XU0210
Q112 XT0219
Q113 XT0219
Q114 XT0213
Q115 XT0219
Q116 XT0219
Q117 XT0214
Q118 XE0053
Q119 XE0053
Q120 XT0210
Q121 XT0213
Q122
Q123 XU0220
Q124 XT0223
Q125 XU0211
Q126
Q127 XU0220
Q128 XT0214
Q129 XU0210
Q130 XU0212
Q131 XU0210
Q132 XT0210
Q133 XU0213
Q134 XT0223
Q135 XT0212
Q136 XT0212
Q137 XT0212
Q138 XU0213
Q139 XT0214
Q140 XU0213
Q142 XE0090
R101 RK3562
R104 RK3526
R105 RK3566
R106 RK3501
R107 RK3534
R108 RK3550
R111 RK3550
R112 RK3530
R113 RK3546
R114 RK3538
R116 RK3526
R117 RK3014
R118 RK3518
R119 RK3562
R120 RK3530
R121
R122 RK3542
R123
R124 RK3552
R126
R127 RK3557
R128 RK3562
R130 RK3562
R131 RK3558
R132 RK3557
R133 RK3518
R134 RK3501
R135 RK3551
Parts name
2SC6026MFV-GR
RQA0002DNS
RQA0004PXDQS
15GN03F-TL-E
RN2107FV
RN1107FV
15GN03F-TL-E
15GN03F-TL-E
2SC5659T2L
15GN03F-TL-E
15GN03F-TL-E
HN2C01FE-GR(T5L,F)
3SK293TE85L
3SK293TE85L
2SC6026MFV-GR
2SC5659T2L
RN2111MFV(TPL3)
2SA2070(TE12L,F)
RN2107FV
RN2111MFV(TPL3)
HN2C01FE-GR(T5L,F)
RN1107FV
RN2115FV
RN1107FV
2SC6026MFV-GR
RN1111FV TPL3
2SA2070(TE12L,F)
2SA1955FV-A(TPL3)
2SA1955FV-A(TPL3)
2SA1955FV-A(TPL3)
RN1111FV TPL3
HN2C01FE-GR(T5L,F)
RN1111FV TPL3
SSM3J15FV(TPL3,Z)
1005 1/16W 100K OHMJ
1005 1/16W 100 OHM J
1005 1/16W 220K OHMJ
1005 1/16W 0 OHM J
1005 1/16W 470 OHM J
1005 1/16W 10K OHM J
1005 1/16W 10K OHM J
1005 1/16W 220 OHM J
1005 1/16W 4.7K OHMJ
1005 1/16W 1.0K OHMJ
1005 1/16W 100 OHM J
1608 1/10W 10 OHM J
1005 1/16W 22 OHM J
1005 1/16W 100K OHMJ
1005 1/16W 220 OHM J
1005 1/16W 2.2K OHMJ
1005 1/16W 15K OHM J
1005 1/16W 39K OHM J
1005 1/16W 100K OHMJ
1005 1/16W 100K OHMJ
1005 1/16W 47K OHM J
1005 1/16W 39K OHM J
1005 1/16W 22 OHM J
1005 1/16W 0 OHM J
1005 1/16W 12K OHM J
Version
T, E, EUK
Ref. No.
R136
R137
R138
R141
R142
R143
R144
R145
R146
R147
R148
R149
R150
R151
R152
R153
R154
R155
R156
R157
R158
R159
R160
R162
R163
R164
R165
R166
R167
R168
R169
R170
R171
R172http://www.DataSheet4U.net/
R173
R174
R175
R176
R177
R178
R179
R180
R181
R183
R184
R185
R186
R187
R188
R189
R190
R191
R192
R193
R194
R195
R196
R198
R199
R200
R201
R202
R203
R204
R205
Parts No.
RK3562
RK3551
RK3530
RK3550
RK3526
RK3532
RK3550
RK3501
RK3552
RK3554
RK3537
RK3550
RK3570
RK3552
RK3562
RK3546
RK3570
RK3538
RK3538
RK3542
RK3550
RK3501
RK3537
RK3539
RK3558
RK3530
RK3564
RK3570
RK3550
RK3526
RK3530
RK3530
RK3570
RK3550
RK3538
RK3518
RK3538
RK3550
RK3574
RK3538
RK3542
RK3522
RK3550
RK3556
RK3562
RK3574
RK3562
RK3562
RK3560
RK3566
RK3550
RK3570
RK3550
RK3550
RK3558
RK3562
RK3570
RK3542
Parts name
1005 1/16W 100K OHMJ
1005 1/16W 12K OHM J
1005 1/16W 220 OHM J
1005 1/16W 10K OHM J
1005 1/16W 100 OHM J
1005 1/16W 330 OHM J
1005 1/16W 10K OHM J
1005 1/16W 0 OHM J
1005 1/16W 15K OHM J
1005 1/16W 22K OHM J
1005 1/16W 820 OHM J
1005 1/16W 10K OHM J
1005 1/16W 470K OHMJ
1005 1/16W 15K OHM J
1005 1/16W 100K OHMJ
1005 1/16W 4.7K OHMJ
1005 1/16W 470K OHMJ
1005 1/16W 1.0K OHMJ
1005 1/16W 1.0K OHMJ
1005 1/16W 2.2K OHMJ
1005 1/16W 10K OHM J
1005 1/16W 0 OHM J
1005 1/16W 820 OHM J
1005 1/16W 1.2K OHMJ
1005 1/16W 47K OHM J
1005 1/16W 220 OHM J
1005 1/16W 150K OHMJ
1005 1/16W 470K OHMJ
1005 1/16W 10K OHM J
1005 1/16W 100 OHM J
1005 1/16W 220 OHM J
1005 1/16W 220 OHM J
1005 1/16W 470K OHMJ
1005 1/16W 10K OHM J
1005 1/16W 1.0K OHMJ
1005 1/16W 22 OHM J
1005 1/16W 1.0K OHMJ
1005 1/16W 10K OHM J
1005 1/16W 1.0M OHMJ
1005 1/16W 1.0K OHMJ
1005 1/16W 2.2K OHMJ
1005 1/16W 47 OHM J
1005 1/16W 10K OHM J
1005 1/16W 33K OHM J
1005 1/16W 100K OHMJ
1005 1/16W 1.0M OHMJ
1005 1/16W 100K OHMJ
1005 1/16W 100K OHMJ
1005 1/16W 68K OHM J
1005 1/16W 220K OHMJ
1005 1/16W 10K OHM J
1005 1/16W 470K OHMJ
1005 1/16W 10K OHM J
1005 1/16W 10K OHM J
1005 1/16W 47K OHM J
1005 1/16W 100K OHMJ
1005 1/16W 470K OHMJ
1005 1/16W 2.2K OHMJ
datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 28 Páginas | |
| PDF Descargar | [ Datasheet DJ-175.PDF ] | |
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