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There are currently no product reviews.
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It's complete and helpful manual with good quality of scan. Thanks very much.
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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.
3-2. CHECKING TERMINALS AND COMPONENTS: MODULE QW-1746/1756
V DD
Di 11. Diode (7101 5609) C5 7. Tantalum capacitor (2895 1204) R 12. Chip resistor (7102 7737) 26. Insulation sheet 1726-1 (7233 2107)
C1 8. Chip capacitor (7103 3866) LL2 4. Coil (7020 5931)
VSS2 CI L EL D
INV 5. Inverter IC (7100 7917)
CI L
EL D CI L VSS2 VDD O1 KI1 KI2 VSS2 KI2
VC2
V S
VDD VC1
VSSM VCPE RT2 KI6
V SS 2
RT 1
KI1 VSS2 L KI6 BD VCH LD1
P. C. B. with components 1a. (7240 9669) QW-1746 1b. (7240 9655)
O1
EL D VCPE VCCE GND ENB CI L RT 1 GND RT2 GND P1 KI8 P2 P3 P4 VDD
VCH L KI5
QW-1756
VDD KI7 VDD XTB VDD KI4 AC VDD
VSSM VSSM
P5 KI5
VSSM XT VSS1 VSS3
C4 9. Chip capacitor (7103 7163) C6 10. Chip capacitor (7103 7443) C3 8. Chip capacitor (7103 3866)
L
L 3. Coil (7020 0236) Tr1 2. Transistor (7101 1151)
S 2
C2 8. Chip capacitor (7103 3866) Xtal 6. Quartz oscillator (7110 0715)
Top view of P.C.B. ass'y
Bottom view of P.C.B. ass'y
3-3. ACCURACY SETTING SYSTEM
The accuracy of this module is set by Pattern Cutting method (P1 ~ P5) in the production line. Therefore, in case a trouble occurs in the quartz oscillator or the LSI, replace the whole P.C.B. with components with new one.
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