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Grundig Chassis KR Serviceanleitung Seite 101

Inhaltsverzeichnis

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Konverter / Converter ZPN193-02
COMP
EN/PWM
FAULT
DIM
BL
J2504
J2512
UVLO
R2504
R2505
J2511
10K
10K
T2502
PWM
1
R2579
BC848B
TP19
TP20
NC
R2516
ENABLE
100K
R2517
C2503
100K
R2578
100K
100NF
50V
PSU
TP28
155V/50V_REF
1
2
TP29
50V_W
3
4
5
6
TP30
155V_W
7
8
9
10
R2527
TP32
TP31
DIM
11 12
BL
TP34
0R
13 14
J2538
12V
15 16
S2502
LED1-
TP39
LED2-
TP40
J2503
J2502
T2515
T2516
500V
500V
12V_1
3.7A
3.7A
R2535
1
TP49
1
10K
C2511
J2516
C2527
C2517
R2542
1UF
100K
50V
100NF
100NF
TP56
TP57
50V
50V
T2510
T2511
R2519
TP62
MJD32C
1
MJD32C
1
TP69
10R
TP78
TP79
J2521
R2557
R2548
R2558
R2549
3.3R
3.3R
3.3R
3.3R
J2510
VIN
Regulator
VCC
MP3373
PWM
GND
-
Comp.
Control
GATE
Logic
+
+
ISENSE
-
GND
Current Sense Amp.
+
OVP
OSC
Oscillator
-
2.5V
LED 0V
Comp.
-
VLEDS
0V Comp.
Short String
Protection
+
Max
Feedback
CTL1 Control
-
Min
EA
155V
+
Enable
300mV
R2508
Control
CTL1
R2502
TP5
FB1
R2506
Phase Shift and
Dimming Control
Current Control
R2512
And
DIM
Fault Protection
PSEN
CTL8
TP8
FB8
Fault
Management
R2571
5.6K
J2534
155V
TP16
J2535
T2514
+
C2500
BC858B
47UF
250V
J2506
155V_W
1
2
TP21
155V/50V_REF
50V_W
1
2
155V
***MP3373***
40'' (ZPX120)
J2508
ILED: 121mA (RFB: 3.3R//3.3R)
R2500
R2501
Boost CS: 980mA typ (0.26R)
OSC: 140kHz (120k)
120K
UVLO: Off: 38V, On:42.5V (Rtop: 75k+68k, Rbot: 10k, sw:82k)
OVP: 140V (Rtop: 75k+75k+75k, Rbot: 8.2k//8.2k)
J2530
PSEN: Phase shift mode (PSEN: OPEN)
TP25
49'' (ZPN120)
ILED: 121mA (RFB: 3.3R//3.3R)
Boost CS: 980mA typ (0.26R)
OSC: 140kHz (120k)
UVLO: Off: 130V, On:139V (Rtop: 75k+75k+68k+68k, Rbot: 5.6k, sw:82k)
OVP: 227V (Rtop: 75k+75k+68k, Rbot: 4.7k//4.7k)
PSEN: Phase shift mode (PSEN: OPEN)
12V
J2514
R2532
TP81
0R
TP37
3
C2514
FS2500
1UF
50V
LED3-
TP41
C2515
T2517
500V
12V_1
12V_1
C2516
3.7A
R2536
R2539
TP50
1
TP51
1UF
50V
R2580
R2541
10K
10K
C2528
C2518
C2521
R2543
R2546
C2526
100K
1UF
100K
1UF
100NF
50V
50V
100NF
50V
TP60
50V
T2508
R2520
R2530
TP63
TP64
MJD32C
1
TP71
TP70
10R
10R
R2511
0R
J2523
TP74
J2517
R2553
R2554
3.3R
3.3R
4
J2527
1
12V
2
3
TP1
R2562
R2564
R2563
1K
10K
T2513
5.6K
BC858B
J2537
TP2
TP3
UVLO
TP4
75K
R2566
R2568
R2567
75K
C2504
1K
10K
3.3K
68K
TP6
100NF
68K
50V
TP7
D2500
NC BAT54C
155V
J2536
J2509
IC2501
1
R2570
AS431BZTR-G1
NC 100R
R2572
82K
BL
TP9
R2573
TP10
1
1K
R2574
4.7K
R2521
TP22
R2523
1
R2565
R2577
J2505
R2533
C2513
0R
100NF
IC2500
50V
1
28
TP42
VIN
PSEN
1UF
VCC1
2
27
VCC
GATE
50V
TP46
R2534
TP47
TP48
3
26
12V_1
COMP
ISENSE
0R
TP54
4
25
OSC
GND
120K
ENABLE
5
24
OVP
EN/PWM
OVP
PWM
6
23
FAULT
DIM
FAULT
7
22
FB1
FB8
8
21
TP65
CTL1
CTL8
9
20
FB2
FB7
10
19
CTL2
CTL7
11
18
FB3
FB6
12
17
CTL3
CTL6
13
16
FB4
FB5
14
15
CTL4
CTL5
MP3373GY
2
3
LED+
C2506
C2523
C2524
LED1-
2.2NF
2.2NF
2.2NF
C2525
50V
50V
50V
2.2NF
LED2-
D2503
50V
LED3-
1
2
2
3
3
30A
J2501
200V
J2531
TP12
6
9
D2502
TP11
MUR460
L2500
+
C2502
L2501
47UF
+
C2505
D2501
250V
MUR460
J2507
47UF
TP15
J2532
250V
J2500
J2533
J2539
T2500
T2501
500V
J2524
500V
1
3.7A
1
3.7A
D2507
R2518
R2513
BAT54C
TP17
TP18
10K
10K
22R
R2522
22R
10R
TP23
TP24
D2508
BAT54C
22R
R2569
22R
TP26
10R
R2524
TP27
330R
R2525
R2526
C2512
0.13R
0.13R
470PF
50V
TP33
R2576
R2575
0R
0.04R
TP38
LED4-
LED5-
TP43
TP44
J2520
J2518
T2518
T2519
3.7A
500V
3.7A
500V
12V_1
12V_1
R2538
R2537
TP55
TP52
1
1
10K
10K
R2544
R2545
C2519
100K
100K
C2520
C2508
C2510
1UF
100NF
100NF
1UF
50V
50V
50V
50V
TP58
TP61
T2507
T2512
R2531
R2560
MJD32C
MJD32C
TP66
1
TP67
1
10R
10R
TP73
TP75
TP76
J2522
J2525
R2552
R2551
R2550
R2559
3.3R
3.3R
3.3R
3.3R
J2528
J2526
4
1
1
P1
LED+
P1
2
2
P2
P2
3
3
P3
P3
4
4
P4
P4
5
LED4-
5
P5
P5
6
6
P6
P6
7
LED5-
7
P7
P7
8
LED6-
8
P8
P8
S2500
S2501
J2513
LED+
J2515
75K
R2503
R2507
75K
TP13
TP14
+
C2501
R2509
68K
47UF
TP80
250V
OVP
R2514
R2515
4.7K
4.7K
C2509
1NF
R2528
12V
10K
1
T2503
R2529
BC858B
10K
R2581
10K
12V_1
D2512
R2582
T2504
1
BC848B
560R
C2507
R2583
1UF
10K
50V
LED6-
TP45
T2520
500V
R2540
TP53
1
3.7A
10K
R2547
C2529
C2522
100K
1UF
100NF
50V
50V
TP59
T2509
R2561
MJD32C
TP68
1
TP72
10R
R2510
0R
TP77
J2519
R2556
R2555
3.3R
3.3R

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