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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 :)
SECTION 3 ADJUSTMENT
The difference point(s) compared with the reference model are as follows.
DELETE
3.3.2 Video circuit 3.3.2.1 3.3.4.1 3.3.4.2 EE Y/PB Y (S-VHS/VHS) LEVEL Colour difference level SECAM burst position 3.3.4 PAL/SECAM converter circuit [EF model]
Adjustment procedure and value are changed.
3.3.1 Servo circuit 3.3.1.1
Signal Mode Equipment Measuring point External trigger Adjustment part Specified value Adjustment tool
Switching point
(A1) (A2) (B) (C) (D1) (D2) (E) (F) (G) (H) � � � � � � � � � � Stairstep signal Alignment tape(LP,stairstep,PAL) [MHPE-L] PB Oscilloscope VIDEO OUT terminal (75 ohm terminated) TP106 (PB. FM) TP111 (D.FF) Jig RCU: Code �5A� 6.5 ± 0.5H Jig RCU [PTU94023B]
(1) Play back the signal (A1) of the alignment tape (A2). (2) Apply the external trigger signal to D.FF (E) to observe the VIDEO OUT waveform and V.PB FM waveform at the measuring points (D1) and (D2). (3) Set the VCR to the manual tracking mode. (4) Adjust tracking so that the V.PB FM waveform becomes maximum. (5) Set the VCR to the Auto adjust mode by transmitting the code (F) from the Jig RCU. When the VCR enters the stop mode, the adjustment is completed. (6) If the VCR enters the eject mode, repeat steps (1) to (5) again. (7) Play back the alignment tape (A2) again, confirm that the switching point is the specified value (G).
Trigger point Switching point V.sync
V. rate
Fig.3-3-1a Switching point
(No.82979)1-5
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