Kenwood GE 1100 Service Manual
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Extracted text from Kenwood GE 1100 Service Manual (Ocr-read)
Page 2
BLOCK DIAGRAM/CIRCUIT DESCRIPTION
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Name Function Description
01.2 Clock generator
03~15 Spectrum analizer display control Transistor switch for signal selection
0101.102 Clock generator
0103,104 Sampling hold
0105 Buffer
0106 Muting
0107 Phase shifter I
0108 Reverberetion graphic lamp switch l
0109~11 1 Reverberation graphic lamp driver
0501 ~504 AVFl
0505506 Muting relay driver
lC1 Mixing amp, audio filter
IC2 Total amp For spectrum analizer total stage.
|C3~5 Spectrum analizer audio filter 16. 32, 64,125,250,500,1k, 2k,4k, 8k, 16k and 32k filters.
IC6 Clock counter (4 bit binary counter) Forms a scale of 13 counter together with ICI
[C7 Clock counter (4 to 16 line decoder) Forms a scale of 13 counter together with 1C6.
Output 16 Signals according to scale of 13 counter output.
lC8~10 Spectrum analizer gate control Controls the fluorescent display tube gates according to [(37 output.
' . t Controls the rids of di la tube aocord'n to the ut ut e .
1C1 1~13 Spectrum anallzer FLdnver (10 steps ; -2:,-18,-15fp-1y2, _9 -6, -310? 3 $510 P l vel
1C1 01 AGC amplifier of reverberation graphic
IC102. 103 BED
IC104 Filter
lC105 Amp 7 *
IC201 OP Amp
lC202~206 Frequency resonator Resonating circuits for 12 frequencies between 16H: ant 32kHz.