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Philips 21PT836A/78 Service Manual page 29

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7
Esquemas Elétricos e Guias de Placas
1
2
DEFLEXÃO VERTICAL
A
B
Vflybk
A7-28
C
Vdrive-
A4-54
D
Vdrive+
A4-55
E
CRT_DISCHARGE
A1-49
ONLY
HEW_Protn
A2-53
F
G
1
2
3
4
5
F4
6402
VlotAux+11V
F2
3406
TDA9302H OR STV9379FA
1K
3408
1K
F1
VlotAux-11V
3414
7402
RES
RES
FOR
USA
F1 VDRIVE +
F2 VDRIVE-
F3
0.5V / div DC
0.5V / div DC
10V / div DC
5ms / div
5ms / div
5ms / div
3
4
5
6
7
6401
2403
9401
VlotAux+50V
BYD33D
7401
2
6
3
VSUP
VSUPO
FLYB
TDA9302H
FLYBACK
GENERATOR
7
F3
IN+
OUT
5
POWER
AMPLIFIER
1
IN-
THERMAL
PROTECTION
GND
4
2409
220n
F4 V FLYBK
F5
2V / div DC
0.5V / div DC
= 0V
5ms / div
5ms / div
6
7
8
9
10
2
6
3
VS
VSO
VSF
7
1
THERMAL
PROTECTION
GND
4
Tabela de diversidade para todos os itens marcados com *
TUBES WITH
ITEM
SADDLE COIL
(25V / 27V / NON PH.)
(BLD / BLS / HF)
2403
100u
0222
2404
---
1
3405
2k2
VERTICAL
2
DEFLECTION
3407
2k2
COIL
VH
6402
BZX79-C18
6403
---
6404
---
7401
TDA9302H
9401
---
F5
8
9
10
L9.1A
29
/78
11
0222 E8
2401 C5
2402 E6
2403 C6
2404 C7
2405 D5
2406 E4
2407 D5
2409 E7
3401 F7
3402 F8
A
3403 F8
3405 D3
3406 C4
3407 E3
3408 D4
3409 D7
3410 E8
3411 E8
3413 E4
3414 E3
3415 E4
4410 E3
B
6401 C6
6402 B5
6403 D7
6404 D7
7401A
7401 C5
STV9379FA
7401A B11
7402 E4
5
9401 C7
C
D
TUBES WITH
TOROID COIL
---
220n
1k8
1k8
E
BZX79-C33
BYD33D
BYD33D
STV9379FA
YES
F
G
11

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