Revox C221

Service Manual C221 CD
Player
nel/ox
5.2
Test
points
-
converter board
The following test
points
are located
on
the
converter board:
P21 DAAB signal
-
lls
bus data
TP'1 RESET signal
-
41D
=
reset
TP2 PSON signal
-
r'!O"
=
supply voltage on
TP3 /KILL signal
-
"1"
=
outputs
muted
TP4
SCLCK
signal
-
display clock
TP5 SDATA signal
-
display data
TPO
/DIGENABLE
signal
-
display enable
fP7 MODDET signal
-
modulation detection
TPB RXD signal
-
RX from system bus
TPg TXD signal
-
TX from
system bus
TPlO O V, GND
1
TP11
OV, GND2
TP12 O
V,
GND 3
TP13 OV,
AGND
1P14
O
V,
GND
4
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