37
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
D
D
C
C
B
B
A
A
GND
D
301
R
341
R
342
R
343
R
345
R
346
R35
1
R35
2
C
308
R
344
C
309
LE
D
_FB
A
K
D
302
C
315
+
E302
+
E303
R
347
R
348
R
360
C
312
OVP
A
K
D
308
4
5
1
8
6
7
L301
LE
D
1+
LE
D
2+
C
316
LE
D
1+
LE
D
2+
C
313
C
314
LE
D
1+
LE
D
2+
R34
9
R35
0
J301
J302
D
B
13
V
CC2
SGND
SGND
R30
5
R30
9
R30
6
R31
0
BR
O1
C30
7
!
380V
Q
301
C
303
B
301
BR
O1
C
O
MP
C
O
MP
CS
CS
SGND
V
CC2
OUT
OUT
SGND
GND
SGND
!
C
Y
301
D
R
316
R
317
A
K
D
305
C
305
R30
1
R30
2
R
312
R
315
R
320
C30
6
R32
1
R
322
C
301
BO
1
FB
2
CS
3
GND
4
HV
8
V
CC
6
GA
TE
5
NC
7
U
301
3
4
PC
301
B
OUT
V
CC2
CS
C
O
MP
SGND
11
7
1
6
2
5
8
10
T303
380V
D
GND
7
6
10
2
1
5
12
9
T301
8
6
11
2
4
7
T302
TB
302
-12
TB
302
-10
GND
380V
D
TB
302
-10
TB
302
-12
TB
302
-10
BR
O1
C
302
Q
B7
S
SGND
!
R
324
DD
R30
4
R30
8
R30
3
R30
7
A
K
D
304
A
K
D
303
C
311
C
310
R
328
R
327
R
326
R
325
R
336
R
335
R
334
R
333
R
311
R31
9
D
304K
D
304K
D
303K
D
303K
J306
+
E30
1
GND
1
C
O
MP
2
NC
3
CS
4
V
CC
5
GA
TE
6
U
302
R
365
V
ovp
=2
.5V
R
362
C33
0
C33
6
LE
D
_FB
!
12
V
_358
AD
J_
PWM
OVP
R
370
R
371
C
332
C
331
R
366
2
3
1
4
8
U
305A
6
5
7
U
305B
LE
D
_FB
R
373
C
333
R37
4
C33
5
R37
5
R37
6
D
311
C32
9
C
338
C
339
R
372
R
361
R
379
R
382
R
380
R
367
R
381
R
377
R
383
R
378
D
314
D
G
S
Q
303
Q
306
1
2
PC
301
A
OVP
12
V
_P
12
V
_P
K
A
R
U
306
R
384
12
V
_358
CB
31
CB3
K
A
R
U
304
12
V
_P
R
368
+
E30
6
D
316
2
V
R
EE
=0
.35V
LE
D
2+
LE
D
1+
R
385
C
337
D
314
PW
.168
W
2.
801
Mode
l Name:
CH
K'
D:
D
AT
E:
VE
R
SI
O
N:
D
AT
E:
DR
AW
N:
M
a
Fengqi
V1
.1
W
YF
R
389
12
V1
12
V
_358
C
ON
_G
R
390
Q
307
LE
D
_FB
R
386
LE
D
1+
LE
D
2+
LE
D
_FB
R
387
R
388
1
2
C
N
303
1
2
C
N
304
1
2
3
C
N
301
1
2
3
C
N
302
301
2017
-03
-23
D
310
A
K
D
312
A
K
D
313
R
410
R
411
R
413
R
414
R
415
R
416
R
318
R
400
LE
D
2+
LE
D
1+
R
330
R19
4
J303
J305
+
E30
4
+
E30
5
R
314
C32
0
SGND
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
Summary of Contents for LC-49CFE4041E
Page 1: ...1 SERVICE MANUAL models LC 48CFE4042E LC 49CFE4041E LC 49CFE4042E LC 49CFG4042E ...
Page 25: ...25 ...
Page 26: ...26 ...
Page 32: ...32 3 14 PCB layout of Power board PW 168W2 801 for model LC 49CFG4042E ...
Page 33: ...33 ...
Page 34: ...34 ...
Page 35: ...35 ...
Page 38: ...38 4 EXPLODED VIEW 48 inch model 49 inch model LC 48CFE4042E LC 49CFE4041E LC 49CFE4042E ...
Page 39: ...39 49 inch model LC 49CFG4042E ...
Page 51: ...51 B Install USB driver Note Make sure the USB ISP tool is connected to PC before setup ...
Page 52: ...52 ...
Page 53: ...53 Select 仍然继续 to continue installation ...
Page 56: ...56 Click Read to select SW Click Auto and Run to start the upgrade ...
Page 57: ...57 Upgraded successfully ...