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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.
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IF PRINTED CIRQUIT BOARD WIRING VIEW WAS ONE TONE LIGHTER, THEN 5 STAR RANK HAS TO BE MY CHOISE.
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Very usefull, good quality drawings !
Muito útil encontrei todas as informações necessárias.
Pin No.
60 61 62 63 64 65 66 67 68 69 70 71 72~79 80 81 82 83 84 85 86,87 88 89 90 91 92~99 100
Pin Name
VSS RAMA4 /IC TEST RAMA3 /CSB /CS SO SI SCK RAMA2 VDD1 RAMD0~7 VSS VDD2 SDWCK0 SDBCK0 SDIA0 SDIA1 RAMA1,0 RAMWEN RAMOEN VSS VDD2 IPORT7~0 VSS
I/O
O I O I I O I I O I/O (Not used) I I I I O O O I Ground. Ground.
Description
External SRAM Interface address 4. (Not used) Initial clear. Test terminal (Not used). External SRAM Interface address 3. (Not used) Sub DSP Chip select. Microprocessor interface Chip select. Microprocessor interface Serial data output. Microprocessor interface / Sub DSP Serial data input. Microprocessor interface / Sub DSP clock input. External SRAM Interface address 2. (Not used) +5V power supply (for I/Os). External SRAM Interface data (STREAM0~7 output when External SRAM is not in use).
+3.3V power supply (for core logic). Word clock input for SDIA, SDOA, SDIB, SDOB. Bit clock input for SDIA, SDOA, SDIB, SDOB. AC-3 bitstream (or PCM ) data input for Main DSP. AC-3 bitstream (or PCM ) data input for Main DSP. External SRAM Interface address 1, 0. (Not used) External SRAM Interface / WE. (Not used) External SRAM Interface / OE. (Not used) Ground. +3.3V power supply (for core logic). Input port for general purpose. Ground.
� 30 �
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