Pioneer XC-IS21T, Руководство по обслуживанию

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XC-IS21T
7.2.3 SINGLE OPERATION METHOD
AF ASSY, W420 (+8v) +8V
AF ASSY, W421 (+15v) +15V
AF ASSY, W422 (+5.6v) +5.6V
AF ASSY, W423 (GND) GND
2. Connect part
B
of the U-COM ASSY [ CN105 pin8 (AC), AF ASSY[W423 (GND)] and frequency oscillator.
(Refer to Fig. 7-1 and 7-2.)
Low-frequency oscillator
Connect point
B
frequency level Gnd Remarks
U-COM ASSY, CN105 pin8 (AC) 50 or 60 Hz Approx.2.0 Vrms Note.
AF ASSY, W423 (GND) osc GND
DC power-supplay
Connect point
A
Voltage (V) Remarks
Low-frequency
oscillator
DC power-
supplay
V A
Jigs and Measuring instruments
Single operation method and frequnency oscilator inputlevel.
1. Connect part
A
of the AF ASSY [W420(+8V),W421 (+15V), W422 (+5.6V), W423(GND) and DC power-supplay.
(Refer to Fig. 7-1.)
Note: Set up the low-frequncy oscillator level with in the limits of product moves.