Panasonic AJ-HVF20P Service Manual page 40

1 2
A
B
+9.5V
Horizontal deflection drive
H-SIZE IN
+9.5V IN
C
HD(+)
D501
R501
DA204U
3.3k
1608 C503
IC501A
0.1u
TC4426A 25V
B
2 7 3
R502
D
10k
1608
3
C501 C502
100p 0.1u
50V 25V
CH B
FOCUS
R504
51k
E
1608
SHUTDOWN(1)
SHUTDOWN(2)
Vref
F
Peaking CTL IN
Peaking CTL OUT
HB
C.BLK1(+)
+5V IN
G
4:3 BLK IN(+)
Peaking up IN(+)
R529
22k
1608
TP25
R530 C521
5600p
22k
GND
1608 50V
H
B
1 2
3 4
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED WITH THE MARK
CHARACTERISTICS FOR SAFETY.
WHEN REPLACING ANY OF THESE COMPONENTS. USE ONLY THE
SAME TYPE.
High-Voltage stabilizing circuit
R503
4.7
1608
Q501
G
K2534
C506
0.1u
25V
B
D502
DA204U
R507
33k 3
1608 1
2
IC502A
BA10324AF
C507
0.1u
25V
B
R508 IC502B D503
33k DA204U
BA10324AF
1608 5 3
C504 7
2.2u 6
20V
TAA
SHUTDOWN
IC502C R509
BA10324AF 24k
1608
10
R505 8
R510
9
62k C505
D504
5.1k 1608 4.7u
DAN202U
1608 20V
TAA
R506 62k
1608
IC504
SN74HC175APW
4 2
D1 Q1
3
Q1
5 7
D2
Q2
6
Q2
12 10
D3
Q3
11
Q3
13 15
D4 Q4
14
Q4
9
CLK
1
CLR
C522
0.1u
25V
B
3 4
5 6 7
HAVE THE SPECIAL
2
5
D505
R513 C510
DA204U
3.3k 3900p
1608 250V
R515 APSC
4.7
1608
4
5 3 G
Q503
K1920
IC501B C511
TC4426A 2200p
250V
APSC
R514
C509 3.3k
R511 Q502 2400p
1608
10k K1826 50V
CH
1608
G
R512
C508
3.3k
1608 1500p
50V
CH
R532 IC502D
1k
BA10324AF
1608 12
14
13
5 6 7
8 9
Heater-Voltage stabilizing circuit
FBT
TC38-39
3
Vcc G2
C
8
+H
R517 R518
7 10k 27k
-H
1608 1608
RV501
1
Fb
MVR22 IC503
47kB TA75S01F
R516 C513
2 1
D507
100 10u
LM4041
1608 20V 3
C514
1.2V
TAC
0.1u
25V
B
C515
1u
16V
F
RV501: Heater-Voltage stabilizing circuit
C512
C516
1500p 47u
50V
80V
CH UPF(PH6)
3
D506
DAN202U R528 C518 C519
100k 0.1u 0.1u
1608 100V 100V
2 1 3225 3225
C520
0.1u
100V
3225
COMPONENT
HORIZONTAL DEFLECTION(MAIN3/3)
NAME
CIRCUIT BOARD NO.
VEP20859A
8 9
10 11
FBP TRG
R527
100k
1608
HV
1
A
H-DEF GND
1
+H DEF
2
-H DEF
3
CN501
IL-S-3P-S2T2-EF
R526
680
HLC
2125
LC37-32
B
C517
33u
16V
TAE(TMCR)
R522
TP21 CN502
220
B4B-PH-K-S
2125
G2
1
TP22
R519 TP23
2
3.3M
3216 +H
3
C
-H
4
R520
3.3M
3216
R521
3.3M
4
3216
D
+60V OUT
E
F
R531
100
1608
4:3 BLK OUT(-)
Peaking up OUT(+)
R533
100
1608
G
03/03
DRAWING NO.
H
SCM007
10 11