Sony KDF-E42A12U Service Manual page 64
Lcd projection tv
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Also See for KDF-E42A12U:
- Operating instructions manual (46 pages) ,
- Service manual (105 pages)
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A
B
C
N..-LE4B
+5VA
FB3402
1
0uH
C3403
C3404
0.1
0.01
10V
16V
C3402
0.1
R3438
R3469
12k
470
Q3401
2SC5658T2LQ/R
R3482
2
R3485
C3447
R3470
0
0.1
470
YUV_Y
C3444
R3456
R3471
22
15k
820
6.3V
YC_Y
R3476
XX
R3472
R3465
470
12k
3
Q3402
2SC5658T2LQ/R
C3448
R3473
0.1
470
YUV_U
C3445
R3466
R3474
22
15k
820
6.3V
4
R3467
R3475
12k
470
Q3404
2SC5658T2LQ/R
R3421
C3449
R3478
0
0.1
470
YUV_V
C3446
R3468
5
22
R3479
15k
820
YC_C
6.3V
R3477
XX
R3400
R3406
470
12k
Q3400
6
2SC5658T2LQ/R
C3400
22
C3405
R3415
6.3V
R3407
0.1
470
CVBS
R3401
R3408
820
15k
7
AUDIO DAC CIRCUIT
+5VD
8
FB3400
0uH
C3414
C3416
0.1
0.1
IC3400
WM8727GED/RV
D/A CONVERTER
DAC_L
ADO
DATA
LO
C3419
100p
ABCK
BCKI
VDD
9
ALRCK
LRCK
VSS
DAC_R
AMCK
MCK
RO
C3420
100p
ADO_OUT
FB3409
0UH
ABCK_OUT
FB3410
0UH
ALRCK_OUT
FB3411
0UH
10
PLACE CLOSE TO IC
11
D
E
F
GAIN = R3482 + (R3470 + R3471)
-----------------------
(R3470 + R3471)
VIDEO CIRCUIT
Q3405
2SA2029T2LQ/R
R3487
390
220
Q3406
2SC5658T2LQ/R
C3450
R3427
10p
470
GAIN = R3483 + (R3473 + R3474)
-----------------------
(R3473 + R3474)
Q3410
2SA2029T2LQ/R
R3488
220
Q3407
R3483
2SC5658T2LQ/R
390
C3451
10p
R3428
470
GAIN = R3486 + (R3478 + R3479)
-----------------------
Q3411
(R3478 + R3479)
2SA2029T2LQ/R
R3489
220
Q3408
2SC5658T2LQ/R
R3486
390
C3452
10p
R3429
470
GAIN = R3415 + (R3407 + R3408)
Q3403
-----------------------
(R3407 + R3408)
2SA2029T2LQ/R
COMPOSITE
R3424
220
Q3409
2SC5658T2LQ/R
470
C3411
R3430
10p
1k
FB3401
C3425
C3424
10
0.1
16V
25V
AMPLIFIER GAIN = 2.0
R3452
R3490
R3480
15k
15k
100
C3421
4.7
R3449
10V
15k
R3446
R3450
39k
10k
5
6
7
8
R3444
B+IN B-IN B_OUT V+
1k
IC3401
NJM3404AM-TE1
OPERATIONAL
AMPLIFIER
V-
A+IN
A-IN
A_OUT
4
3
2
1
C3423
R3445
0.1
1k
R3448
10k
R3451
R3447
15k
39k
R3481
C3422
100
4.7
10V
R3453
15k
R3491
15k
G
H
I
+3V3D
D3400
+3V3D
R3442
RB706F-40
470
ATX
R3492
D3401
RB706F-40
SCL_TV
SDA_TV
nBOARD_RST
RIGHT_N
LEFT_N
CVBS_OUT
ALL VIDEO SIGNALS (YUV AND CVBS)
ARE NOT DESIGNED TO DRIVE A LOW IMPEDANCE LOAD
MODEM & CI PWR SWITCH
+5VD
VIDEO
+3V3D
C3439
C3438
1
0.1
10V
YUV_Y_OUT
10V
YUV_U_OUT
IC3404
R3461
LM3526MX-H/J5000396
10k
5V POWER SWITCH
YUV_V_OUT
EN_A
CI_PWR_EN
OUT_A
CVBS_OUT
FLAG_A
nCI_OVR
Vcc
FLAG_B
nMODEM_OVR
GND
EN_B
MODEM_EN
OUT_B
+3V3D
R3463
1k
1/16W
1
2
3
4
5
R3454
C3442
R3457
390
0.1
1k
1/16W
25V
1/16W
+3V3D
R3455
FB3403
47
0uH
1/16W
OPEN/SHORTS COUNTERMEASURE
C3408
C3417
C3412
C3407
0.1
100
0uH
10
10V
6.3V
10V
16V
+9VA
R3484
10
C3406
0.1
25V
1V8 REG
LEFT_N
C3440
1
10V
+3V3D
PQ070XZ01ZPH
R3464
1k
1
2
3
4
5
1/16W
R3460
1k
C3443
R3458
0.1
100
25V
+2V5D
R3459
100
C3410
C3409
C3413
C3415
10
0.1
100
16V
10V
6.3V
RIGHT_N
C3441
1
10V
1V5 REG
- 64 -
J
K
L
M
Q3412
2SC5658T2LQ/R
CN3401
14P
R3493
BRN
100
1
SPDIF
1k
2
GND
3
GND
R3439
0
4
SCL_TV
R3440
0
SDA_TV
5
R3441
6
GND
47
7
N_RST
R3422
8
GND
47
9
RIGHT
R3423
10
GND
47
11
LEFT
R3436
12
GND
47
YUV_U_OUT
CVBS
13
14
GND
YUV_V_OUT
YUV_Y_OUT
ALRCK_OUT
ABCK_OUT
ADO_OUT
+5VD_CI
VDO[0-7],VCK
VDO[7]
+5VD_MODEM
VDO[6]
VDO[5]
VDO[4]
VDO[3]
VDO[2]
VDO[1]
VDO[0]
VCK
Cu Heatsink
-----------
IC3402
PQ070XZ01ZPH
Add 20mmx20mm area
REGULATOR
Connect to TAB of
Regulator
+5VD
1V8EMI
C3427
0.1
10V
+5VA
D3402
0.1
RB501V-40TE-17
C3418
0.1
10V
+3V3D
C3426
0.1
10V
Cu Heatsink
-----------
+2V5D
IC3403
Add 20mmx20mm area
REGULATOR
Connect to TAB of
C3428
Regulator
0.1
+1V5D
10V
0.1
10V
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
~ N Board Schematic Diagram [ Digital I/F ] Page 4/7 ~
N
O
N
4/7
CN3402
10P
BRN
R3433
47
1
YUV_U
2
GND
R3434
47
3
YUV_V
4
GND
47
R3435
5
YUV_Y
6
GND
FB3408
7
GND
0uH
ALRCK
8
9
ABCK
10
ADO
CN3400
15P
BRN
R3412
XX
1
GND
FB3412
0UH
2
VDO[7]
FB3413
0UH
3
VDO[6]
R3411
XX
R3410
XX
4
GND
FB3414
0UH
5
VDO[5]
FB3415
0UH
6
VDO[4]
R3409
XX
R3405
XX
GND
7
FB3416
0UH
TO JB BOARD
8
VDO[3]
FB3417
0UH
CN5404
9
VDO[2]
R3404
XX
R3403
XX
10
GND
FB3418
0UH
11
VDO[1]
FB3419
0UH
12
VDO[0]
R3402
XX
13
GND
FB3420
0UH
14
VCLK
C3401
GND
15
XX
R3413
XX
C3429
FB3404
C3433
0.1
0uH
220
10V
CN3403
6.3V
11P
1
+5VD
2
+5VD
3
+5VA
FB3405
C3430
C3434
4
GND
0uH
0.1
100
10V
5
GND
6.3V
GND
TO AG BOARD
6
CN2302
7
+3V3D
8
+3V3D
9
GND
10
GND
C3435
FB3406
C3431
100
0uH
0.1
11
GND
10V
6.3V
CN3404
9P
1
+2V5D
FB3407
C3432
C3436
2
+2V5D
0uH
0.1
100
10V
3
+2V5D
6.3V
GND
4
TO AG BOARD
+9VA
5
GND
CN2304
6
GND
7
+9VA
8
GND
9
GND
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