Waveforms - Pioneer X-HM81-K Service Manual

1

10.14 WAVEFORMS

NOTE: The following waveforms were measured at the point of the corresponding
A
balloon number in the schematic diagram.
A
CD ASSY
PN1602 - pin 11 (B)
1
V: 100 mV/div. H: 400 nsec/div.
(CD PLAY)(Coupling: AC)
B
D
MAIN ASSY
IC609 - pin 13 (X_OUT)
2-1
V: 2 V/div. H: 50 nsec/div.
IC609 - pin 15 (X_IN)
2-2
V: 2 V/div. H: 50 nsec/div.
2-1
C
2-2
IC609 - pin 10 (SUB_CLK_IN)
3-1
V: 2 V/div. H: 5 μsec/div.
IC609 - pin 11 (SUB_CLK_OUT)
3-2
V: 2 V/div. H: 5 μsec/div.
D
IC609 - pin 29 (CD_RX)
4-1
V: 2 V/div. H: 500 msec/div.
IC609 - pin 30 (CD_TX)
4-2
V: 2 V/div. H: 500 msec/div.
4-1
4-2
4-1
4-2
E
IC609 - pin 48 (TU_RESET)
5-1
V: 2 V/div. H: 500 msec/div.
IC609 - pin 44 (TU_SDIO)
5-2
V: 2 V/div. H: 500 msec/div.
IC609 - pin 45 (TU_SLK)
5-3
V: 2 V/div. H: 500 msec/div.
IC609 - pin 47 (TU_SEN)
5-4
V: 2 V/div. H: 500 msec/div.
POWER_ON
5-3
5-4
F
86
1
2
IC609 - pin 84 (VFD_RST)
6-1
V: 2 V/div. H: 500 msec/div.
IC609 - pin 83 (VFD_CE)
6-2
V: 2 V/div. H: 500 msec/div.
IC609 - pin 81 (VFD_DATA)
6-3
V: 2 V/div. H: 500 msec/div.
IC609 - pin 82 (VFD_CLK)
6-4
V: 2 V/div. H: 500 msec/div.
6-3
6-1
IC609 - pin 58 (MAIN_IRQ)
7-1
V: 2 V/div. H: 500 msec/div.
IC609 - pin 59 (SUB_IRQ)
7-2
V: 2 V/div. H: 500 msec/div.
7-1
7-2
IC609 - pin 61 (SUB_ON)
8-1
V: 2 V/div. H: 500 msec/div.
IC609 - pin 57 (SUB_RESET)
8-2
V: 2 V/div. H: 500 msec/div.
IC601 - pin 5 (SDA)
9-1
V: 2 V/div. H: 20 msec/div.
IC601 - pin 6 (SCLK)
9-2
V: 2 V/div. H: 20 msec/div.
IC601 - pin 8 (VCC)(3V3)
9-3
5-2
V: 2 V/div. H: 20 msec/div.
5-1
9-1
9-2
9-3
2
3
IC612/IC608 - pin 16 (CSH)
10
V: 20 V/div. H: 1 μsec/div.
IC612/IC608 - pin 15 (VB)
11
V: 20 V/div. H: 1 μsec/div.
6-2
IC612/IC608 - pin 14 (HO)
12
V: 20 V/div. H: 1 μsec/div.
6-4
IC612/IC608 - pin 13 (VS)
13
V: 20 V/div. H: 1 μsec/div.
IC612/IC608 - pin 12 (VCC)
14
V: 20 V/div. H: 1 μsec/div.
X-HM81-K
3
4
IC612/IC608 - pin 11 (LO)
15
V: 20 V/div. H: 2 μsec/div.
IC612/IC608 - pin 10 (COM)
16
V: 20 V/div. H: 1 μsec/div.
IC612/IC608 - pin 9 (DT)
17
V: 20 V/div. H: 1 μsec/div.
IC612/IC608 - pin 1 (VAA)
18
V: 2 V/div. H: 200 msec/div.
IC612/IC608 - pin 4 (COMP)
19
V: 1 V/div. H: 2 μsec/div.
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