Pioneer RX-P840 Service Manual page 13

Stereo cassette deck receiver
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Measurement
RX-P840
Remarks
If the idle current is below 3mA, perform the following procedure.
Lek side
Short between the point '© pattern in Fig.2~ 3 using solder.
Reh side
7
| Short between the point ©) pattern in Fig.2~3 using solder.
| Connect R7551 to R7519 in a parallel
: circuit.
/ Connect R7552 to R7520 in a parallel
| circuit.
' After performing step '© and @), remeasure the idle current and
confirm that it is greater than 3mA (within
3~50mA).
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