Telewizor nie przetrwał spotkania z burzą i staram się go naprawić. Pierwsze pytanie: -W telewizorze byly dwie płytki, jedna zasilajaca, druga podejrzewam że z calym "hardware" telewizora. Czy jest mozliwe żeby spaliła się tylko płyta zasilająca? -Po płycie zasilajacej na gołe oko widac ze uległa zniszczeniu. Wydaje mi sie ze plytka juz jest gotowa ale brakuje mi do niej jednego ukladu scalonego a mianowicie oz9976. Scalak ten po prostu sie "spalil" nawet nie bylo jego nazwy widac, musiałem szukac schematów i calej reszty ale w koncu doszłem ze to wlasnie oz9976. I teraz drugie pytanie: - Drodzy forumowicze, czy orientujecie sie gdzie dostane takiego scalaka, moze ktos takiego posiada... Nie chce go ściągać z Chin i czekać pół miesiąca....
8
7
6
5
4
3
2
1
F
F
Z101 Z103
T
!
CN1
!
F1
T
RD1 RD3
680K 680K
Z105
T
CX2
0.47U
Z109
T
Z107
T
A
T3.15AH 250V
!
4
!
1
CX1
0.47U
3 N
3
Z102
T
Z104
T
2
1
CY2
470P
!
DB3
1N5406
!
!
2
!
GND
4
LF2
1
D306
RL255
RL255
T
Z304
LP1
4
DB2
1N5406
Z110
T
PGND
VBUS
D301
T
1
T
8
MUR460
DB4
1N5406
7
2
E
C310
100P
N1
C300
0.47U
RD2 RD4
680K 680K
T 3R
Z303
D305
3
Z108
Z106
T
RN1
!
!
CY1
470P
3
Z301
T
DB1
1N5406
!
!
RV1
680V
2
LF1
2
V
1
LF3
!
COLD
L
E
!
3
Z302
T
!
6
N2
4
PGND
5
PGND1
CE1
150U
450V
PGND
PGND
HOT
D
R326
47K
R303
1M
NCP1607
1
I
C302
0.47U
I
Z322
I
Z323
I
C301
0.1U
2
3
Z324
C303
0.1U
C
4
I
C305
1000P
FB
VCC
CONTROL
DRV
CT
GND
ZCD
CS
C309
1U
D
I
Z312
PGND1
I
Z328
I
8
Z327
I
7
L314
D302
BAV70 3
R309
R310
22R
Z326
I
6
2
33R
QW1
F12N50
C314
100P
Z325
I
5
C
R319
10K
C307
NC
R306
24K
PGND for Primary Power GND
PGND1 for PFC Signal GND
PGND2 for PWM Singal GND
Z311
1
PGND1
Z321
Z31
PGND1 PGND PGND2
PFC_VCC
C308
1U
U301
R304
1M
R308
33K
T
22R
VBUS
R301
1M
Z306
T
R330
Vcc MAX
20V
Vcc ON
11~13V
Vcc OFF 8.5~10.5V
R302
1M
Z305
I
THIS DRAWING CANNOT BE COMMUNICATED TO UNAUTHORIZED PERSONS COPIED UNLES S PERMITTED IN WRITING
Z310
PGND1
C
B
22R
E
Q324
BT3904
R307
1K5
Z307
PGND1
PGND1
R323
R324
T
2K2
R322
0.1R
C306
3900P
Z308
Z309
T
T
B
B
PGND1
PGND1
PGND1
PGND
SBU :
TCL
PFC
TCLNO: 01-A112C1-PWC
A
A
DESIGNATION
Index-Lab
DATE NAME DESCRIPTION
Last saved :
8
7
6
5
Last modif
DRAWN
MODEL: IA112C1 / IA152C1
12-9-2010_10:49
4
3
ON: 5-11-2010
BY: CZJIAN
2
CHECKED
ON:
BY:
PAGE:
1
OF :
3
1
FORMAT DIN A3
8
7
6
5
4
3
2
1
VBUS
TS1 !
Z401
T
Z441
T
C440
C401
0.01U
R401
68K
F
9
NC
NP2
8
RL255
4
R412
56K
D402
BAV70
3
10R
Z443
T
12V_DC
Z461
T
NS2
5
L401
L441
0.8UH
Z442
T
7
ND
2
R407
DS1
SR3100
Z440
T
Z406
I
Z418
I
F
12V
NS1
3
R411
56K
GND for PWM GND
GND3 for DC-DC GND
R442
2
Z402
T
D401
Z403
I
NC
10
NP1
A
R441
NC
1
C441
1000U
16V
6
PGND2
DS2
SR3100
GND
C442
1000U
16V
C443
470U
16V
C461
NC
50V
C445
1U
C462
1U
Z445
T
1
R406
Vdd MAX
30V
Vdd ON 15.5~17.5V
Vdd OFF
8~10V
Vdd OVP 24~26V
R413
56K
E
R408
47K
Z416
I
Z412
I
2
3
4
GATE
FB
VDD
NC
SENSE
HV
RT
R404
2R2
8
Z417
I
7
R403
NC
5
DC-DC SLOT
!
GND
Z463
T
CY4
!
R409
GND3
PGND
Z421
I
1
10R
C416
1000P
C405
680P
Z464
T
2
C458
C422
1U
GND_DC
R457
1U
100K
D
GND3
1
2
R416
100K
C466
470U
16V
3
22R
C417
1000P
3.3V
D458
0BAV99
R458
PGND
D421
BAS21
E
3.3V
1000P
D
GND3
470P
6
Z415
I
GND
R402
0.33R
3
COLD
HOT
GND
C423
R454
2K2
R451
75K
1U
PGND2
PGND2
PGND2
PGND2
PGND2
Z419
PC1
I
4
!
Z455
T
I
R456
6K8
0.1U
4K7
C455
2
TLP781
U451
TL431
1000P
C
3
C421
22U
50V
Z451
I
2
3
C
C456
Z456
T
C418
1000P
D417
18V
R455
1
Z420
1
PGND2
PGND2
PGND2
R453
120K
PGND2
R452
24K
PGND2
Q431
S4160T
Z434
I
R433
PFC_VCC
E
GND
Z431
I
PC2
C
22R
4
B
7
R472
100K
C471
0.47U
6
3
Standby signal
8
5
3.3V
P_ON
10
4
1
R471
12
9
DIMP
2K2
R431
47K
2
Z483
T
PGND2
PGND2
Z492
T
11
Z487
T
Z471
I
P401
Z491
T
12V
1K5
TLP781
D432
18V
R473
B
C433
0.1U
2
3
Z473
I
Z490
T
R432
Z475
I
Z432
I
100R
B
Z474
I
1
C
Z433
I
!
Q471
BT3904
E
THIS DRAWING CANNOT BE COMMUNICATED TO UNAUTHORIZED PERSONS COPIED UNLES S PERMITTED IN WRITING
PGND2
GND
CY3
PGND
680R
FAN6754
1
GND
R421
22R
Z?
I
R405
U401
GND3
GND3
C402
100P
1KV
TK6A65D
47R
Z414
I
QW2
BL_ON
P_ON
B
Z481
T
12V
PGND2
GND
GND
GND
GND1
SBU :
TCL
PWM
TCLNO: 01-A112C1-PWC
A
A
DESIGNATION
Index-Lab
DATE NAME DESCRIPTION
Last saved :
8
7
6
5
Last modif
MODEL: IA112C1 / IA152C1
12-9-2010_10:49
4
3
DRAWN
ON: 11-5-2010
BY: CZJIAN
2
CHECKED
ON:
BY:
PAGE:
2
OF :
3
1
FORMAT DIN A3
8
7
6
5
4
3
2
1
GND1 for Inverter Power GND
GND2 for Inverter Signal GND
L501
F
F
VBUS
C501
0.47U
R501
1M
R502
1M
Z501
T
I
Z528
12V
GND
GND1
R503
1M
HOT
GND2
R571
470K
TN1 !
C502
0.47U
14
VREF
I
I
I
D501
0BAV99
3
E
Z512
D511
Z526
D512
I
S
C503
1000P
1
R507
10K
10R
Z512
C512
I
R505
1
7
5
6
VS2
MBRX14
1U
8
2
0.047U
(0.033U FOR IA152C1)
U501
8
OZ9976
7
I
I
Z514
Z515
4
5
Z516
6
PDIM
R517
680K
7
C515
270P
8
VIN
ZCS
VREF
RT1
ENA
CT
ADIM
LCT
TIMER
PDIM
SSTCMP
VSEN
ISEN
15
GND2
4
5
5
R574
470K
C504
1000P
S
R508
10K
Z504
T
10R
H2
R573
470K
1
Z575
T
13
2
ENA
12
R521
1M
ADIM
11
R537
51K
Z521 I
10
Z520
PGND1
R536
3M3
L505
2
1
D
Z536
I
I
Q536
2N7002
9
Vin MAX
20V
ENA ON 2.0~5.5V
ENA OFF
& lt; 1.0V
VREF
5V
VSEN_prot
3.0V
GND2
F5N50FT
R506
14
C520
0.033U
GND2
NS1
10
I
D
I
3
GND
1U
3
VS1
QW4 G
I
D502
0BAV99
9
16
E
Z537
R513
1M
R514
150K
R515
68K
R516
3M3
Z513
DRV2
I
R576
33K
(22K FOR IA152C1)
GND1
1
2
Z573
T
D
Z508
Z506
4
C525
1
2
I
DRV1
3
3
1
ZCS
NP
Z571
T
100R
2
GND2
R575
33K
(22K FOR IA152C1)
C505
R510
MBRX14
P501
Z503
T
NS2
I
4
9
PGND1
F5N50FT
I
T501 !
11
10
QW3 G
Z511
6
3
R572
470K
D
Z507
I
Z525
Z505
Z524
2
12
100R
2
R528
47R
1
13
R504
1M
R509
C521
2U2
16V
COLD
C524
1U
GND2
4
Z561
I
100R
R538
3M3
GND2
3
R560
ZCS
C536
2U2
16V
R562
75R
GND2
GND2
Z531
GND2
GND2
GND2
I
VS1
1
2
Z518
D531
BAV70
Z532
3
D532
BAV70
3
33R
2
I
VS2
R531
I
R532
100K
C531
1000P
PF
P502
1
Z581
T
C
PF
THIS DRAWING CANNOT BE COMMUNICATED TO UNAUTHORIZED PERSONS COPIED UNLES S PERMITTED IN WRITING
GND2
GND2
C
1
Z582
T
Z583
T
2
3
GND2
DIMP
VREF
IS
4
ENA
Z519
R543
IS
I
PF
1
33R
Q548
2N7002
R540
750R
(680R FOR IA152C1)
R544
10K
R541
750R
(470R FOR IA152C1)
R551
1K
Z548
R547
I
3
D546
BAV70
4K7
C544
560P
R553
10K
Z517
Z522
I
C546
0.1U
I
Z523
R557
I
ADIM
PDIM
2
C548
0.1U
BL_ON
5K1
R548
10K
R552
10K
C558
0.1U
C554
0.1U
R554
10K
R558
100K
B
B
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
GND2
SBU :
GND2
TCL
INVERTER
TCLNO:
01-A112C1-PWC
A
A
DESIGNATION
Index-Lab
DATE NAME DESCRIPTION
Last saved :
8
7
6
5
Last modif
MODEL: IA112C1 / IA152C1
12-9-2010_10:56
4
3
DRAWN
ON: 5-11-2010
BY: CZJIAN
2
CHECKED
ON:
BY:
PAGE: 3
OF :
3
1
FORMAT DIN A2
7
6
4
3
2
1
D
Z801
D
5
1
2
R11
1R
12V/24V
R12
47K
B
C
Z802
C
C
2
3
4
C802
4U7
R14
47K
R2
18K
VIN
COMP
FB
5
C5
220P
Z804
Z803
B
6
GND
E
R15
15K
3.3V
7
FREQ
R5
75K
Q2
BT3904
B
EN
L1
10UH
R3
68K
C
C11
1U
BST
1
1
EN
SW
8
2
C7
0.01U
MP1582
1
U1
2
R1
100K
1
R13
1K
Z806
Z805
E
Q1
BT3906
2
R6
220K
R4
24K
C1
1U
D1
SR34
C8
1U
B
1
2
1
2
THIS DRAWING CANNOT BE COMMUNICATED TO UNAUTHORIZED PERSONS COPIEDUNLESS PERMITTED IN WRITING
C10
1U
GND
DD-MM ...
...
...
DD-MM ...
...
...
...
DD-MM ...
...
...
...
DD-MM ...
...
...
Index-Lab
7
6
DATE NAME DESCRIPTION
Last saved :
12-9-2010_11:02
TCL
SBU :
...
A
...
Last modif
TCLNO:
01-T321C0-DCD
DESIGNATION
DC-DC BOARD (MP1582)
FOR IA112C1 / IA152C1
ADDRESS1
ADDRESS2
ADDRESS3
TELEPHONE
DRAWN
ON:
BY:
CHECKED
ON: DD-MM-YY
BY: ......
PAGE:
OF :
FORMAT DIN A4