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There are currently no product reviews.
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The service was quick and simple, finding the service manual easy and it appears to be the original with colour schematics. It contained the info I was after and so sorted the problem.
I have copied it to CD and attached the envelope to the inside back cover of the owners manual. Good manual and excelent service. Robin Wood, Wood Electronics, New Zealand.
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Exactly what was needed to assess the product - excellent value and great service
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Nice to have the service manual for the Sony DCR-TRV345E now. The document is of excellent quality.
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MACKIE HR824 26 pages English-only Service Manual contains:
1) HR824 technical overview with the description of front and rear panel switches.
2) HR824 specs
3) Block Diagram
4) Wiring Diagram
5) Packaging management
6) Spare part & final assembly list (for PCB rev A and B) + exploded view
7) Test Procedures (where, how to measure voltage...) including Test Point diagram on the PCB.
8) IC and Transistor charts.
Excellent guide: very clear, good scan quality enabling us to print readable diagram :-)
Note:
Mackie HR824 make extensive use of surface mount devices (SMD). Service on the HR824 must
only be undertaken by experienced service technicians with the right tools, experience and patience to perform surface mount rework when needed.
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This Service manual is very well scanned and its clean to read, no any anti-theft words that un-english could understand. I got my CCD600 working with this manual and it´s clear shematics :)
General
hfmnation
Model
3325A
Table 1.1. Specifications.
WNCTIGNG AND FNEGUENCIEG Sine WBYW Signal Output ,FrO�t or Rear Panel,: 0.000 001 Hz to 20 999 999.999 Auxiliary Output ,Rear Panel,: 21 000 000.000 Hz to 60 999 Underrange fo 19 000 000.001 Square Triangle: Wave: 0.000 0.000 001 001 Hz to 10 999 AMPLITUGE Amplitude Accuracy with no Attenuation lAttenuator range 1) into 50 ohm Load. INo D.C. offset1 Hz Function frequency Hz and range Tolerance programmed relative to amplitude
999.999 Hz 999.999 999 Hz
Hz
,001 ,001
Hz to 100 Hz to 2 kHz
kHz
Hz to 10 999.999
Positive and Negative Slope Ramp: 0.000 001 Hz to 10 999.999 nlEG�ENCY NEGGLUTlGN below 100
999
Hz ,001 500 Hz to 500 Hz Hz to 10 kHz Tolerance programmed 1 kHz relative to amplitude
1 pHz for frequencies 1 mHz for freq�e�cies mEG�ENCY
100 kHz kHr and higher
ACCURACY ,Standard
I�strY.e�t, �abe ,20° to 3O�CI
Flatness with no attenuation (Attenuator Range 1 I into a 50 Ohm load
at
* 5 x 10~6 of selected FNEGUENCY STAGll,TY lstandard
I�itNm�G to 3ooc1 Amplitude accuracy 0.~2. offset and no attenuation IRange a 50 ohm load. with 1 b into Tolsrance programmed relative to amplitude.
* 5 x 10~6 per yew SIGNAL CHARACTERISTICS Sine Wave: Harmonic fundamental
1200
Distortion relative to the amplitude frequency at full output on each
of the range
Spurious: All non-harmonically related output signals will be more than 70d8 below the carrier (-60d8 with DC offset). or less than -9OdBm. whichever is greater. Phase Noise: r -6Od8 (Option 001 band centered on a 20MHz carrier about the carrierI. square wave: Time: c 20 nanoseconds. of period to peak 10% to 90% at full Rise/Fall OUtpUt Symmetry: Overshoot: Triangle: Linearity, * 0.05% Ramps iPositive 10% to 90%. best fit straight line: of full p-p wt,wf for each range or Negative Slope): line: * 0.05% Only) for bxcluding a 30kHz * IHz
,001 500
Hz to 500 Hz Hz to 10 kHz Tolerance programmed relative to amplitude.
Attenuator Accuracy lthese errors are additive with the amplitude accuracy errors1 ,001 Hz to 20 kHz Attenuator Range 1 ,001 Hz to 100 ranges 8 10 MHz ranges 8 kHz
No Error
c .02%
+ 3 nanoseconds amplitude at full output
d 5% of peak
Attenuator 2 through 100 kHzta Attenuator 2 through
f
0.1
d6
+ 0.2
d6
Linearity, 10% to 90%, best fit straight of full p-p output for each range Retrace Ramp Time: Period _� 3 microseconds, Variation: < f 90%
10 MHz to 20 MHz Affenuator ranges 2 through 4 Attenuator ranges 5 through 8
f
0.2
d6 dE
zk 0.5
to
10% maximum
1 % of period.
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