49
KF-42E200A/42E201A/50E200A/50E201A
KF-42E200A/42E201A/50E200A/50E201A
Due to the complexity of this board, performing component level fi eld repairs is not recommended. If service is required, complete block assembly replacement is the preferred repair method.
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
A
—
B
—
C
—
D
—
E
—
F
—
G
—
H
—
I
—
J
—
K
—
L
—
M
—
N
—
O
—
P
B2 BOARD SCHEMATIC DIAGRAM (6 OF 7)
3225
16V
22
B
C7301
12
3225
16V
22
B
C7676
12
3225
16V
22
B
C7698
12
3225
16V
22
B
C7703
12
3225
16V
22
B
C7707
12
3225
16V
22
B
C7716
12
1608
25V
0.1
B
C7544
12
1608
25V
0.1
B
C7552
12
1608
25V
0.1
B
C7553
12
1608
25V
0.1
B
C7684
12
1608
25V
0.1
B
C7686
12
1608
25V
0.1
B
C7690
12
1608
25V
0.1
B
C7952
12
1608
16V
0.1
B
C7445
12
1608
16V
0.1
B
C7705
12
1608
16V
0.1
B
C7711
12
1005
10V
0.1
B
C7658
12
1608
25V
0.022
B
C7435
12
2012
16V
1
B
C7689
12
1608
16V
0.22
B
C7460
12
1005
16V
0.015
B
C7657
12
1005
16V
0.015
B
C7670
12
10V
47
C7598
1
2
50V
4.7
C7599
1
2
1608
50V
100p
CH
C7556
12
1608
50V
2200p
B
C7442
12
1005
50V
22p
CH
C7667
12
1005
50V
33p
CH
C7655
12
1005
50V
33p
CH
C7659
12
1005
16V
220p
CH
C7672
12
1005
16V
220p
CH
C7673
12
1005
50V
1000p
B
C7656
12
1005
50V
1000p
B
C7668
12
1005
50V
1000p
B
C7669
12
1005
6.3V
0.22
B
C7447
12
1005
6.3V
0.22
B
C7666
12
1608
10V
1
B
C7678
12
1608
10V
1
B
C7682
12
1608
10V
1
B
C7685
12
1608
10V
1
B
C7735
12
1/16W
RN-CP
2.2k
R7674
0.5%
12
1/16W
RN-CP
2.2k
R7675
0.5%
12
1/16W
RN-CP
5.1k
R7658
0.5%
12
1/16W
RN-CP
10k
R7692
0.5%
12
1/16W
RN-CP
15k
R7663
0.5%
12
1/16W
RN-CP
15k
R7691
0.5%
12
1/16W
RN-CP
22k
R7670
0.5%
12
1/16W
RN-CP
33k
R7672
0.5%
12
1/16W
RN-CP
100k
R7680
0.5%
12
1/16W
RN-CP
100k
R7683
0.5%
12
1/16W
RN-CP
100k
R7924
0.5%
12
1/10W
RN-CP
5%
3.3
R7694
12
1/10W
RN-CP
5%
3.3
R7698
12
1/10W
RN-CP
5%
100
R7783
12
1/10W
RN-CP
5%
100
R7788
12
1/10W
RN-CP
5%
1k
R7770
12
1/10W
RN-CP
5%
1k
R7785
12
1/10W
RN-CP
5%
1k
R7789
12
1/10W
RN-CP
1k
R7790
12
1/10W
RN-CP
5%
1.5k
R7920
12
1/10W
RN-CP
5%
2.7k
R7775
12
1/10W
RN-CP
3.9k
R7784
5%
12
1/10W
RN-CP
5%
4.7k
R7773
12
1/10W
RN-CP
5%
4.7k
R7782
12
1/10W
RN-CP
5%
1M
R7774
12
1/10W
RN-CP
5%
1M
R7777
12
CHIP
0
R7688
12
1/16W
CHIP
5%
47
R7681
12
1/16W
CHIP
5%
47
R7687
12
1/16W
CHIP
5%
100
R7673
12
1/16W
CHIP
5%
100
R7678
12
1/16W
CHIP
5%
10k
R7922
12
1/16W
CHIP
5%
100k
R7724
12
CHIP
0R7768
12
0
R7769
12
0
R7771
12
0
R7772
12
0
R7776
12
0
R7778
12
0uH
FB7301
12
0uH
FB7321
12
5.6uH
L7651
12
10uH
L7652
12
10uH
L7330
1
2
8765
4321
LM2903DT
IC7908
12
34
5
6
78
MC2838-T112-1
D3009
1
2
3
UDZSTE-173.9B
D7310
12
MA111-TX
D7311
12
2SC3052EF-T1-LEF
Q7806
1
2
3
2SA1235TP-1EF
Q7303
1
2
3
2SA1235TP-1EF
Q7307
1
2
3
2SA1235TP-1EF
Q7308
1
2
3
I2C-TU0
NTSC_AUDIO
AGC_MUTE_SAIPH
AFT
D5V
9V
D3.3V
SIG_DET
9V
TUNER_CV
TUNER_CV_SAIPH
10.5V
JL7368
JL7367
JL7651
JL7881
D3.3V
D5V
0
FB7654
CHIP
0
FB7651
CHIP
0
FB7655
CHIP
1/16W
RN-CP
0.5%
750k
R7923
12
1/16W
RN-CP
0.5%
110k
R7921
12
30 29 28 27 26 25
24
7
654321
181920212223
89
10
17 16
11 12 13 14 15
IC7651
TPS5124DBTRG4
INV1
FB1
SOFTSTART1
N/C
CT
N/C
GND
REF
STBY1
STBY2
FLT
N/C
SOFTSTART2
FB2
INV2 LH2
OUT2_U
LL2
OUT2_D
OUTGND2
REG5V_IN
VREF5
TRIP2
VCC
TRIP1
OUTGND1
OUT1_D
LL1
OUT1_U
LH1
0uH
FB7322
1
2
F7651
3.15A
12
50V
4700p
C7453
B
2012
TP7651
TP7652
TP7653
16V
100
C7730
JL7891
0
R7725
0
R7726
0uH
FB7908
0uHFB7909
0
R7939
8
765
4321
S1/D2 G1 S2 G2
D2/S1D1 D1
D
2/S1
FDS6986AS-NL
Q7654
1234
5678
8765
4321
S1
/D
2
G
1
S
2
G
2
D2/S1D1 D1
D2/S1
FDS6986AS-NL
Q7652
1234
5678
100
C7597
1
2
RN-CP
22
R7936
RN-CP
22
R7937
MODE
F_MONO
SAP_ID
3225
16V
22
B
C7700
12
1/16W
RN-CP
220
R7657
0.5%
12
1/16W
RN-CP
33k
R7662
0.5%
12
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
22P
CN7802
BLK
NTSC_L
NTSC_
5.1V
SAP_ID
10.5V
F_MONO
DET_OUT
ST_ID
AFT_OUT
GND
IF_AGC
GND
GND
MODE
D_IF2
GND
D_IF1
GND
GND
AGC_MUTE
D_SCL
D_SDA
JL7526
1608
25V
0.1
B
C7511
1608
1/10W
RN-CP
5%
R7531
10k
16V
47
C7518
1608
25V
0.1
B
C7524
1/10W
RN-CP
5%
22
R7521
1/10W47R7524
6MHz
X7501
1/10W
RN-CP
5%
47
R7512
INT-USB-HOST
1/10W
RN-CP 5%47
R7509
L7502
10uH
1/10W
RN-CP
5%
47
R7519
1/10W
47R7526
1/10W
RN-CP5%
10kR7527
1/10W
RN-CP 5%47
R7508
USB-HOST-ST1
RPLY-USB-HOST
1/10W
RN-CP
5%
470k
R7530
1/10W
RN-CP
5%
10k
R7515
1/10W
RN-CP
5%
10k
R7536
25V
0.01
C7521
16V
10
C7509
C7512
CH
15p
50V
1608
USB-HOST-ST0
1/10W
RN-CP
5%
47
R7534
1/10W
RN-CP
5%
22k
R7522
1608
25V
0.1
B
C7515
JL7525
1/10W
RN-CP
5%
10k
R7523
54
321
TAR5S33(TE85R)
IC7501
1608
25V
0.1
B
C7520
1/10W
RN-CP 5%47
R7507
1
2
3
4
5
6
7
8
9
9P
CN7500
STBY_3.3V
USB_HOST_RST
MD0
MD2
E
P61
SIN0
SOT0
SCK0
1/10W
RN-CP
5%
22
R7520
1/10W
47R7525
1/10W
RN-CP
5%
47
R7511
UART-USB-HOST
1/10W
RN-CP 5%47
R7510
L7500
10uH
25V
0.1
C7517
6.3V
47
C7516
1/10W
RN-CP
5%
10k
R7505
16V
0.1
C7523
1608
25V
0.01
B
C7510
1608
25V
0.1
B
C7508
12345678910111213141516
17
18
19
20
21
22
29
28
27
26
25
24
23
30
31
32
33343536373839404142434445464748
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
MB90F337PFM-GE1
IC7500
VBUS
VSS
DVM
DVP
VCC
VSS
HVM
HVP
VCC
HCON
SIN0
SOT0
SCK0
SIN1
SOT1
SCK1
VSS
MD2
MD1
MD0
RST
P00
P01
P04
P05
X0
X1
VSS
VCC
P60
P61
INT2
SCL0
SDA0
1/10W
RN-CP
5%
47
R7533
16V
47
C7514
1608
50V
15p
CH
C7513
1/10W
RN-CP
5%
22k
R7529
STBY_5V
1/10W RN-CP5%
10k
R7514
4P
CN7501
1
2
3
4
SCL-TU0
SDA-TU0
NTSC_TUNER_L
F_MONO
SAP_ID
NTSC_TUNER_R
10.5V
POWER INPUT
D5V
D3.3V
SIGNALDETECTION
POWER AND TUNER CONNECTIONS
(6/7)
USB-HOSTMICRO
USB_HOSTCONNECTOR
USBB2
A-1198-078-A<LA4>B2-6
TOABOARD
CN1002
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