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.
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.
Text excerpt from page 27 (click to view)
AV-N29703
Item SUB TINT adjustment
Measuring instrument Signal gener ator Remote control unit
Test point
Ad justment part S04:TINT
Description [ Method of adjustment without measuring instr ument ] 1. Receive the broadcast. 2. Enter the SERVICE MENU. 3. Select S04:TINT of the V/C(S) mode. 4. Set the initial setting value of the S04:TINT with the FUNCTION / key. 5. If the tint is not the bes t with the initial setting value, make fine adjustment of the S04:TINT until you get the optimum tint.
Variable No . S04 Setting item TINT range 0�127
Initial setting value 68
Signal gener ator
TP-B TP-E(# ) #
S04:TINT
[ Method of adjustment using measuring instrum ent ] 1. 2. 3. 4. 5. 6. 7. 8. Input the full field c olor bar signal (75% white). Enter to the SERVICE MENU. Enter to the 9.RF AFC mode and set the AFC to OFF. Select S04:TINT of the V/C(S) mode. Set the initial setting value of the S04:TINT with the FUNCTION / key. Connect the osc illosc ope between TP-B and TP-E. Adjust S04:TINT and bring the value of (B) in the illustration to +26V. Reset the RFAFC setting pos ition from OFF to ON.