Xc-Is21Md - Pioneer XC-IS21 MD Servise Manual

XC-IS21MD

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Waveforms
Note: The encircled numbers denote measuring point in the schematic diagram and the PCB connection diagram.
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CORE MAIN ASSY
IC101-pin35 (ADIPO)
1
MODE: PLAY
DISC: GGF1328 (MMD–212)
DC500mV/div., 10 µSec/div.
IC102-pin50 (EFMO)
4
MODE: REC
DISC: GGF1328 (MMD–212)
DC1V/div., 0.2 µSec/div.
TE
L 13942296513
IC102-pin77 (TE MON)
6
MODE: PLAY
DISC: TGTS1 or MMD–110
DC500mV/div., 2mSec/div.
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IC101-pin30 (WBO)
2
MODE: PLAY
DISC: GGF1328 (MMD–212)
DC1V/div., 10 µSec/div.
–– GND
IC102-pin75 (FE MON)
5
MODE: PLAY
DISC: TGTS1 or MMD–110
DC100mV/div., 2mSec/div.
–– GND
Measurement Method
39 kΩ
TE MON
–– GND
REFO
(MD Mechanism Assy TP)
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2 9
8
3
–– GND
Measurement Method
FE MON
Q Q
3 6 7 1 3 1 5
–– GND
7
To Oscilloscope
820pF
co
.
9 4 2 8
IC102-pin1 (EFM MON)
MODE: PLAY
DISC: TGTS1 or MMD–110
DC500mV/div., 0.5mSec/div.
–– GND
39 kΩ
To Oscilloscope
820pF
0 5 8 2 9 9 4 2 8
REFO
(MD Mechanism Assy TP)
IC102-pin54 (TES01)
MODE: STOP
DC2V/div., 10 µSec/div.
–– GND
m
9 9
9 9