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Great PDF easy to read good info needed for replacment of belts and assembly and specs.
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complete and unabridged very good quality
easy to download.
recieved in two days.
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Awesome manual. Complete diagrams of all board assemblies as well as how to get to each part of the t.v. down to the individual screws and their locations. Get it.
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perfect copy, im very satisfied, i was need the diagram over the powersupply and
the copy was very sharp
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This is exactly the service manual I needed.
Complete with all schematics, partslists, PCB layouts and alignment instructions.
This manual covers both the T-4970 en T-488F Onkyo tuner.
1.5 DISASSEMBLY/ASSEMBLY OF 8 LOWER CASE ASSY When performing disassembly/assembly work to this model, the parts that are most complicated and require special attention are the E. VF UNIT and the OP MDA BOARD ASSY, OP BLOCK ASSY and SHOE ASSY, all of which are mounted inside the LOWER CASE ASSY. Care should be taken in handling these parts as they are mounted inside the LOWER CASE ASSY (except the E.VF UNIT) and there is a lack of adequate space to work conveniently. This section gives further details regarding the disassembly procedures, although they have been described in previous sections. 1. See Fig. 1-5-1. (1) While moving the ! MICROPHONE out of way, remove the screw (39) and take out the @ OP BLOCK ASSY. (2) Remove two screws (40, 41) and open the $ OP MDA BOARD ASSY.
41 (S 14 a) 40 (S 14 a) CN 13
(3) Remove two screws (42, 43) to disconnect the connector (CN203), then take out the FPC to remove the # E. VF UNIT. NOTE #a : Be careful not to damage the FPC or the
switches when carrying out this work.
2. See Fig. 1-5-2. (1) Remove the two screws (44, 45) in order to free the $ OP MDA board assembly. (2) Remove the two screws (46, 47) and take out the $ OP MDA BOARD ASSY together with the @ OP BLOCK ASSY and the % SHOE ASSY. NOTE@:
Be careful not to lose the KNOB(VIDEO/DSC), which may slip out during the disassembly.
(3) Disconnect the FPCs from the connectors on the @ OP BLOCK ASSY and the % SHOE ASSY.
15
NOTE 13 b 13
42 (S 13 a) 8 14 NOTE 13 a 43 (S 13 b)
11 NOTE 11
NOTE 13 a
OP MDA PWB SW
12
39 (S 12 )
Fig. 1-5-1
46 (S 15 ) 47 (S 15 ) NOTE 15 15 12 KNOB (VIDEO /DSC) NOTE 12 CN 15 45 (S 14 b) CN 12 44 (S 14 b)
14 NOTE 14 b
Fig. 1-5-2 1-9
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