Grundig Chassis G5 Serviceanleitung Seite 67

GRUNDIG Service
Netzteil / Power Supply ZNV194-03
12.5V
J2506
R2515
R2530
1K
75K
F
D2509
2 B_EN
3
BL
R2531
1
56K
C2516
22NF
BAT54C
50V
J2505
R2510
10K
2
C2513
TP81
100NF 50V
VREF_1
TP85
C2518
1UF
50V
J2501
R2511 R2512
VREF_1
TP88
100K 100K
0R 27K
R2516 R2517
R2518 18K
T2503
C2520 1NF
2N7002LT1G
50V
1 150K
R2522
ADPT_DETECT
R2523
R2524 100K
150K
C2521 100PF
50V
R2527 10K
DIM
4 5
IR-/LED-Platte / Board ZGY192-01
Ansicht von der Bestückungsseite / View of Component Side
C2 R1
D1
ZGY192-01
ZGY192-01
12.5V_FL
L2500
+
C2503
470UF
25V
C2512 VREF_1
TP76
J2503
R2504
22UF 10V
PTC 0,32A 30V
T2500
TP78
2N7002LT1G
3
C2514 C2515
1UF 1UF
C2505
50V 50V
10NF
TP80
R2505
TP82
15K
14
CMP
5
REF
6 2
FAULT DRV
TP86
B_EN 12
ENA
OVP 13
OVP
15 4
TP89
ADIM CS
TP92 7 3
RT GND
TP93 16 8 TP94
BDIM SENSE
R2526
IC2500 FAN73402MX
1.2R
C1
IR1
C2510
C2501
2.2NF
2.2NF
50V
50V
TP69
C2500
2.2NF
50V
D2500
100V
D2501
100V
D2502
4
L2501 (a) L2501 (b)
TP72 3 1 6 4 D2503
TP74 TP75
LC-20-0013
+ C2502
C2504
1UF
470UF
50V
25V
D2508
1
12.5V
3
L2503
J2504
TP79 MBRD10200CT-13
200V
J2507
J2508
J2509
R2506
TP83
J2510
0R
J2511
J2512
D2505
BAT54C
T2501
FDD86102LZ
J2502 1
TP87
R2514
47K
R2502 R2520
TP90 TP91
0R 1K
R2521 R2525
F D2506
R2528 R2529 0.04R 0.13R
C2506
15V
100NF 30K 22K F 1W
50V
F F
D2507
15V
VREF_1
2 - 21
C2511
2.2NF
TP70
50V
R2500 R2519
100R 100R
ILED: 328mA (ADIM: Rtop: 200k, Rbot: 18k, RSENSE:1.2R)
ILED: 203mA (ADIM: Rtop: 200k, Rbot: 18k//27k, RSENSE: 1.2R)
OVP: 85V (Rtop: 136k, Rbot: 10k//10k)
TP71 UVLO: (ON: 10.4V, OFF: 9.8V, RTOP: 75k, RBOT: 10k)
CS: Offset: 365mV, Sense: 135mV (Rsense:0.13R//0.04R)
B2100-13-F
100V
TP73 J2500
L2502
+ C2507 + C2508
B2100-13-F
100V R2501
47UF 47UF
68K
100V 100V
2
TP77
R2503
68K
OVP
TP84
R2507 R2508
10K 10K
C2517
1NF
50V
LED+
L2504
TP95 TP96
1 4
L2505
L2506
LED- 2 3
TP97 TP98
L2507
20µs Delay
3V
OVP
OVP
100mV 1µs
TSD
Delay
+
S Q
ADIM*4
OCP
–
1.4~4V
R
POR
640µs / 200kHz
Auto-Restart
Current
Sense
gm
1/4 -
0.3~3V
ADIM R
PWM +
Q
CMP
S
100mV
-
Burst
5k
+ Operation
0.5V
4V Switch Off
CLK+LEB
CMP:
16 Steps
Int. Soft-Start
3ms at 200kHz
GND Hys. 1.0V 45µA
UVLO 9V
BDIM
VCC
OLPi Dim off
1.22V
-
OLP
+
ENA
Hys. 70mV
40.96ms
5V, max. 3mA OLPi
Voltage Ref.
at 200kHz
REF
& Int. Bias
Debounce
Time
BDIM
CN1
1 VCC R1 150R
P1
2 IR_OUT 150R 4
R2
P2 OUT
3 LED_B 3
P3 VS
4 GND 2
P4 GND/NC
C1 1
GND
10UF
D1 IR1
TSOP36438
C2 10NF
Chassis G5
LED+
+ C2509
47UF
100V
S2500
3
P3
2
P2
1
P1
5
FAULT
OLP
FAN73402
Gate
Driver
DRV
Slope
Comp.
CS
0.5V
Oscillator RT
Drain
PWM
Current
Sense
0.2V
PWM
SEN
End of Soft-Start