There are currently no product reviews.
complete and unabridged very good quality
easy to download.
recieved in two days.
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.
perfect copy, im very satisfied, i was need the diagram over the powersupply and
the copy was very sharp
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.
IF PRINTED CIRQUIT BOARD WIRING VIEW WAS ONE TONE LIGHTER, THEN 5 STAR RANK HAS TO BE MY CHOISE.
Removing the tuner board (See Fig.11 and 13)
Prior to performing the following procedure, remove the metal cover and CD changer unit. 1. Disconnect the card wire from connector CON01 on the tuner board. 2. Remove the two screws L attaching the tuner board.
Main board CON01
Removing the rear panel
Prior to performing the following procedure, remove the metal cover, CD changer unit, heat sink & amplifier board and tuner board. 1. Remove the one screw M, three screws N and three screws N' attaching the rear panel.
N' M N
Removing the main Board (See Fig. 15)
Prior to performing the following procedure, remove the metal cover, CD changer unit, heat sink & amplifier board, tuner board and rear cover. 1. Disconnect the card wire from connector FCW3 and the harness from connector JCW1, JCW2, ECW1 and HCW3 on the main board. 2. Disconnect the harness from connector PCW1 on the power transformer board. 3. Remove the screw G attaching the main board holder. (See Fig.8) 4. Remove the two screws O attaching the heat sink and bottom chassis.
FCW3 ECW1 JCW1 JCW2 HCW3 Main board