Test Point Values:
Test point values for Main board version PC12001-3.
TP
Value
1
+14.8VDC +/- 0.3 V
2
-14.8VDC +/- 0.3 V
3
+4.8VDC +/- 0.1 V
4
-4.8VDC +/- 0.1 V
5
Standby: 0VDC
Power on: 4.7VDC +/- 0.1VDC
6
low = reset, high = running
7
>+3.0VDC.
8
-6 to -9.5VDC. Typ.: -8VDC.
9
14.112MHz.
10
44100Hz.
11
80MHz.
12
+5 VDC +/-0.3V
13
11,2896MHz, sample rate = 44.1KHz
12,288MHz, sample rate = 48KHz
14
2,8224MHz, sample rate = 44.1KHz
3.072MHz, sample rate = 48KHz
15
44100Hz or 48000Hz.
16
Data signal
17
Data signal
18
10Vpp, 0VDC
19
10Vpp, 0VDC
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TC Electronic A/S
Pos.
Page
Name
L4
1
+15V
K4
1
-15V
M4
6
+4,5V
M4
6
-4,5V
K4
14
C4
9
RESET*
D4
9
Battery voltage.
L5
13
Contrast voltage.
H4
4
X-tal.
H4
4
44100Hz.
G3
4
80MHz.
I4
4
J3
6
256FS.
J3
6
64FS.
J3
6
1FS
J3
6
DA-data.
K3
6
AD-data.
N2
7
Left input amp.
N2
7
Right input amp.
Finalizer Service manual
Conditions/comments
The same as TP4 (+/- 50mV), except positive.
The same as TP3 (+/- 50mV), except negative.
Standby circuit status.
Stays low if battery is missing.
Controlled by parameter VIEWING ANGLE
Output from DARC. 14.112MHz divide by 320.
Come from DSP. Be aware of probe load!
PLL power supply.
Running Built-in Test program, Option: analog
Running Built-in Test program, Option: analog
page 15
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