Signal Line Waveforms Test - Philips DCC170/00 Service Manual

Portable digital compact cassette recorder
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Step 4. Signal Line WaveÍorms Test (See Block Diagrar
@l
o
o
RDSYNC ( CH1)
RDMUX (CH2)
O
RDcLK (cH1)
O
RDMUX (cH2)
CH1 Y: 0.2V x 10
X: 0.5us
CHz Y: SOrirV x 10
X: 0.5ps
C H 1 Y : 2 V
X: 0.5;ts
CH2 Y: 1V
X: 0.5ps
Y: 2V
X: 0.5ps
L
A
A
A
A
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nnil1|ÍlllilnÍ|ílinÍlllllllnl
CH 1 Y : 0. 2V x 10
X: 0.2Ps
CH2 Y: 50mV x 10
X: 0.2Ps
AM P O ( CHl )
WDATA (CH2)
WEN
OEN
SBWS
SBCL
SBDA
Y: 5V
X: 50ns
X220UT
X22IN
X240UT
X24IN
FSYNC
FDAI
OPTOUT
FS256
SDA2
SDAl
SWS
SCL
Y: 5V
X : 1Oms
Y: 2V
X: 0.2ps
Y: 5V
X: 0.5ms
Y: 2V
X: 2ms
0
0
c
o
o
o
0
o
o
o
o
0
0
o
o
0
c
o
0
0
0
L3MODE
LsCLK
L3DATA
F.REF
F-REF
FGIN/FG
o
o
Y: 2V
X: 50ns
Y:2Y
X : 0.1ms
Y: 2V
X: 0.2ps
o
0
0
W
V
U
Y: 5V
X: 2ps
Y: 5V
X: S;rs
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PCS 79 288
-2 8 -

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Dcc170/01Dcc170/05Dcc170/bk01

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