Panasonic CT20SX10B - 20" COLOR TV, Service Manual

Page: 56 / 60

- 56 -
ALL MODELS G-BOARD SCHEMATIC DIAGRAM, LAYOUT & VOLTAGES - DIAGRAMA ELECTRICO, DE CIRCUITO IMPRESO Y VOLTAJES TARJETA G
Q2301
0.00
1.79
GND
E
B
C
Q2303
13.07
0.00
12.23
Q2304
0.00
4.98
0.00
IC2301
1
2
3
4
5
6
7
8
9
10
11
12
13
. . . . . 4.19
. . . . . 4.19
. . . . . GND
. . . . . 2.49
. . . . . 0.00
. . . . . 8.85
. . . . . 8.87
. . . . . 4.78
. . . . 11.16
. . . . 11.06
. . . . . GND
. . . . 11.12
. . . . 24.11
IC2302
1
2
3
4
5
6
7
8
9
10
11
12
13
. . . . . 4.19
. . . . . 4.19
. . . . . GND
. . . . . 2.49
. . . . . 0.00
. . . . . 8.85
. . . . . 8.86
. . . . . 4.78
. . . . 11.16
. . . . 11.02
. . . . . GND
. . . . 11.08
. . . . 24.11
IC2401
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
. . . . . . 4.36
. . . . . .GND
. . . . . . 2.55
. . . . . . 0.00
. . . . . . 0.10
. . . . . . 4.43
. . . . . . 4.39
. . . . . . 4.38
. . . . . . 0.00
. . . . . . 4.36
. . . . . . 4.37
. . . . . . 4.38
. . . . . . 0.00
. . . . . . 0.00
. . . . . . 2.14
. . . . . . 2.14 17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32 . . . . . .0.00
. . . . . n.c
. . . . . n.c
. . . . . .4..38
. . . . . n.c
. . . . . n.c
. . . . . .4.37
. . . . . .4.35
. . . . . .0.00
. . . . . .4.39
. . . . . .4.38
. . . . . .4.38
. . . . . .4.36
. . . . . n.c
. . . . . .8.80
. . . . . .4.36
B
E
C
IDENTIFICACIÓN DE TERMINALES
PARA TRANSISTORES EN
CHIP
B
E
C
CHIP TRANSISTOR
LEAD DESIGNATION
Nota:
La medición de los voltajes se
hizo con un Voltímetro Digital.
Note:
Obtained voltages with a digital
multimeter.
Schematic Notes
1. Resistors are carbon 1/4W unless noted
otherwise.
2. Capacitors are ceramic 50V unless noted
otherwise.
3. Coil value notes is inductance in
µ
H.
4. Test point indicated by ; Test point but
no pin .
5. Components indicated with are critical
parts and replacement should be made
with manufacture specified replacement
parts only.
6. (BOLD LINE) indicates the
route of B+ supply.
7. The schematic diagrams are current at
the time of printing and are subject to
change without notice.
8. Ground symbol indicates HOT
GROUND CONNECTION;
indicates COLD GROUND.
NOTE: All other component symbols are
used for engineering design
purposes.