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 5 (click to view)
4. CALIBRA��O E AJUSTES
4.1 AJUSTES DO R�DIO ( AM )
Nº 1 2 3 4 5 ITEM FI DE AM FAIXA INFERIOR DE AM RASTREIO INFERIOR RASTREIO SUPERIOR CONEX�O FIG. 2 FIG. 3 AM FIG. 3 AM FIG. 3 AM FREQ. 450kHz 520kHz 600kHz 1400 kHz PONTO DE AJUSTE T101 L118 L130 TC121 OBSERVA��O AJUSTAR PARA M�XIMO SINAL Ajustar VT para 1,6V AJUSTAR PARA M�XIMA SA�DA AJUSTAR PARA M�XIMA SA�DA
4.2 AJUSTES DO R�DIO ( FM )
Nº 1 2 3 4 ITEM FAIXA INFERIOR DE FM RASTREIO INFERIOR RASTREIO SUPERIOR CONEX�O FIG. 3 FM FIG. 3 FM FIG. 3 FM FREQ. 87.5 MHz 90 MHz 106 MHz PONTO DE AJUSTE L101 L102 TC101 OBSERVA��O Ajustar para obter VT=2,2V AJUSTAR PARA M�XIMA SA�DA AJUSTAR PARA M�XIMA SA�DA