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Philips L01.2E AB - Testpoint Overview

Philips L01.2E AB
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14L01.2E AB 6.
Block Diagrams, Testpoint Overviews, and Waveforms
Testpoint Overview
HOT GROUND
S
G
D
7521
1
7
E
B
7402
7471
C
A1 B3
A2 B3
A3 A3
A4 A3
A5 C1
A6 B1
A7 B1
A8 C2
A9 B2
A10 B3
A11 C2
A12 B2
A13 C3
C1 B4
C2 B4
C3 B5
C4 B5
C5 B5
C6 E1
F1 D6
F2 D6
F3 C6
F4 C6
I1 A6
I2 A6
I3 A6
I4 A6
L1 C4
L2 E5
L3 E5
L4 D5
L6 C5
L8 C6
L9 D5
P1 E3
P2 E3
P3 D3
P4 C4
P5 C4
P6 D5
S1 A4
S2 A4
S3 A5
S4 A5
S5 A4
V1 B6
V2 B6
V3 B5
V4 B4
V5 B4
V6 B4
V7 B4
V8 B4
V9 A4
V10 A4
2
3
5
6
7
8
9
5
6
7
8
9
10
11
12
4
CL 16532008_033.eps
240801
HOT GROUND
7200
FRAME
SUPPLY
LINE
TV-PROC.
14
85
7520
SUPPLY
CONTROL
7831
1
NICAM + 2CS + BTSC
AUDIO OUTPUT
7901 OR 7902
Main Panel
Copper Track Side
CRT Panel Copper Track Side
A1
2V / div DC
5us / div
A2
2V / div DC
500us / div
A3 - A4
2V / div DC
500us / div
A11
1V / div DC
500us / div
C1
1V / div DC
500us / div
C2
1V / div DC
500us / div
F1
500mV / div DC
5ms / div
F2
500mV / div DC
5ms / div
F3
10V / div DC
5ms / div
F4
1V / div DC
5ms / div
F5
10V / div DC
5ms / div
I1
2V / div DC
200us / div
I2
2V / div DC
200us / div
I3
20mV / div DC
1ms / div
I4
500mV / div DC
250ns / div
L1
500mV / div DC
20us / div
L2
2V / div DC
20us / div
L4 = +13V
L5 = +5V
L6 = +8V
L7 = -13V
L8 = +34V
L10 = +176V
L9
2V / div DC
20us / div
P1
50V / div DC
20us / div
P3
5V / div DC
50ms / div
S1
2V / div DC
20us / div
S2
500mV / div DC
20us / div
S3
500mV / div DC
5ms / div
S4
500mV / div DC
5ms / div
V4
100mV / div DC
20us / div
V5
1V / div DC
20us / div
V6
1V / div DC
20us / div
V7
1V / div DC
20us / div
V8
2V / div DC
5ms / div
V9
500mV / div DC
10us / div
V10
1V / div DC
500us / div
V11
1V / div DC
20us / div
V12
1V / div DC
20us / div
V13
1V / div DC
20us / div
V14
50V / div DC
20us / div
V15
50V / div DC
20us / div
V16
50V / div DC
20us / div
P2 = +308V (317V)
P4 = +3V3
P5 = +12V4 (+3V9)
P6 = +95V
C4
2V / div DC
200us / div
C5
2V / div DC
200us / div
A6
2V / div DC
200us / div
A7
2V / div DC
200us / div

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