4-5. SCHEMATIC DIAGRAM – MAIN BOARD (2/2) –
• Refer to page 16 for IC Block Diagrams.
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Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
• All resistors are in Ω and
: internal component.
• C : panel designation.
• A : B+ Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
• Voltage variations may be noted due to normal produc-
• Signal path.
L : MW/LW
h : SW
: Chinese model
: Saudi Arabia model
W or less unless otherwise