KE-37/42XS910 (UC) 3-9
1
A
B
C
D
E
F
G
H
I
K
J
2
12
13
11
10
9
8
7
6
5
4
3
14
15
(1) Schematic Diagrams of A Board
CR
C/CB
VIDEO/Y
1
VIDEO/Y
+14V
11.7
0
5.0
0
0
0
0
0
5.0
2
1.2
1.0
1.0
3.2
4.3
4.3
2.6
2.6
2.6
2.7
2.6
2.6
2.7
2.7
2.8
1.1
1.1
2.6
2.6
2.7
1.1
1.1
2.4
2.4
3.4
2.4
0
1.0
2.7
VIDEO/AUDIO
+33V
+9V
+9V
VIDEO
VIDEO
AUDIO R
AUDIO L
C
CR
C/B
VIDEO/Y
4.5
4.5
4.5
4.5
3.2
3.2
3.2
4.6
4.6
+9V
+10V
+1.8V
1.8
2.2
2.2
5.1
0
3.2
0.5
4.8
4.8
5.0
VIN
VC
VOUT
NC
GND
TO(2/4)(3/4)(4/4)
(NC)
TO(2/4)
CN7004
TO UD BOARD
BUFF
BUFF
BUFF
(NC)
(NC)
TO(2/4)
TO(2/4)
TO(2/4)
FAN CONT.
FAN ERR.
BUFF
5V REG
9V REG
TO(2/4)
TO(2/4)
TO(2/4)
TO(2/4)
TO(2/4)(3/4)(4/4)
TO(4/4)
TO(4/4)
SW
BUFF
SYNC SEP.
CN1804
TO J1 BOARD
TO UD BOARD
CN7002
CN9501
TO H1 BOARD
(TUNER,FAN DRIVE)
A(1/4)
B-SS11646<UC.>-A..-P1
9V
GND
MAIN TU
MS1
MS2
VIN
OSC
DK
VD
GND
T1
IN3_1
IN3_2
IN3_3
IN3_H
IN3_V
GND3
IN4_1
IN4_2
IN4_3
IN4_H
IN4_V
VCC3
GND1
IN2_SW
IN2_L3
IN2_V/L2
IN2_H/L1
IN2_3
IN2_2
IN2_1
VCC1
IN1_SW
IN1_L3
IN1_V/L2
IN1_H/L1
IN1_3
IN1_2
IN1_1
ADDRESS
SDA
SCL
VCC2
SELYOUT
SELCBOUT
SELCROUT
GND2
SELVOUT
SELHOUT
NC
EXTCLK/XTAL
NC
V_PH
H_PH
YG_IN
YG_OUT
IREF
GND
CONT
GND
CONT
GND
COMP_CR
CONT
5V
DVI_RST
GND
D_PR
GND
D_PB
GND
D_Y
GND
NC
VGA
MUTE
CLAMP_SW
C
VCC
COMP_CB
COMP_Y
YV
Y_OUT
CB_OUT
CR_OUT
UD_BINT
SDA
SCL
GND
GND
STBY5V
KEY1
P-ON
P-SW(-)
KEY-WAKE
GND
FAN1
DRV1
GND
FAN2
DRV2
GND
FAN3
DRV3
GND
FAN4
DRV4
TO FAN
FAN DRV
VIN
VC
VOUT
VADJ
GND
GND
GND
GND
GND
GND
SET3.3V
GND
SET2.5V
GND
SET2.5V
GND
SET1.8V
GND
SET1.8V
GND
14V
GND
FAN_ERR
FAN
GND
GND
MAIN_YV_OUT
MAIN_CB/C_OUT
GND
GND
MAIN_CR_OUT
SUB_YV_OUT
GND
GND
SUB_CB/C_OUT
SUB_CR_OUT
GND
GND
MA_L_IN
MS_R_IN
GND
GND
ATSC_Y_IN
ATSC_PB_IN
GND
GND
ATSC_PR_IN
ATSC_L_IN
GND
GND
ATSC_R_IN
GND
DVI_RST
DVI_VGA
GND
UD_BINT
UD_SCL
UD_SDA
GND
SCL_MAIN
SDA_MAIN
GND
SIRCS
GND
LINE_MUTE
WOOFER_MUTE
SP_MUTE
SP_DC_PROT
GND
CV_COMP_SW
CLAMP_GATE
ANT_MS
GND
MAIN_HSYNC
MAIN_AFT
AGC
O-SAP
I-SAP
FMONO
GND
GND
KEY
KEY_WAKE
P-ON
GND
GND
GND
P-SW(-)
DVI_MUTE
SET5V
MAIN_SLICER_Y
SUB_SLICER_Y
GND
GND
1.8V Reg
TO ANT-SW
TU 33V SUPPLY
C6h
84h
STBY5V
NC
NC
NC
NC
NC
NC
7V
10V
10V
GND
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
1
2
3
4
5
6
7
8
9
10
11
1
2
3
4
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
EMI
EMI
EMI
-2
-2
-2
-2
-2
-2
1
2
3
4
9V
30V
5V
SCL
SDA
AS
RF AGC
VIF
9V
AFT OUT
GND
DET OUT2
DET OUT
MODE
F MONO
NC
MUTE
R OUT
L OUT
NC
SAP IND
ST IND
EMI
EMI
EMI
1
2
3
4
5
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
A1
B1
A2
B2
A3
B3
A4
B4
A5
B5
A6
B6
A7
B7
A8
B8
A9
B9
A10
B10
A11
B11
A12
B12
A13
B13
A14
B14
A15
B15
A16
B16
A17
B17
A18
B18
A19
B19
A20
B20
A21
B21
A22
B22
A23
B23
A24
B24
A25
B25
A26
B26
A27
B27
A28
B28
A29
B29
A30
B30
A31
B31
A32
B32
A33
B33
A34
B34
A35
B35
A36
B36
A37
B37
A38
B38
A39
B39
A40
B40
A41
B41
A42
B42
A43
B43
A44
B44
A45
B45
A46
B46
A47
B47
A48
B48
A49
B49
A50
B50
1
2
3
4
5
OUT
VCC
GND
OUT
VCC
GND
-2
-2
-2
1
2
3
4
5
6
7
R8044 R8046
C8015
C8017
C8019
C8021
C8024
C8025
C8027
C8028
C8036
L8003
L8004
L8005
L8006
FB8009
FB8010
TU8001
JL8001
JL8004
C8018
C8020
C8022
C8037
R8031
R8034
R8048
R8030
C8031
R8022
R8024
R8025
R8029
R8032 R8033
R8035
R8036
R8037
R8038
R8040
R8043
R8045
R8049
R8050
R8058
R8059
R8060
R8039
R8041
R8047
C8029
C8034
C8035
C8041
C8042
C8043
C8044
FL8004
L8007
R8064
R8065
R8066
D8006
JL8008
JL8012
CN8003
IC8400
C8406
C8407
C8421
C8405
C8427
C8424
R8430
R8432
R8442
C8426
C8425
C8404
C8413
R8429
R8441
C8409
R8435
R8422 R8423 R8425 R8427
R8412
R8411
R8410
R8415
R8414
R8413
C8400 C8401
L8400
Q8402
Q8401
Q8400
R8408
R8406
R8404
C8435
C8414 C8415
C8420
C8422
R8440
R8431 R8434
R8439
R8436
C8431
C8432
C8430
R8455
R8454
R8452
R8450
R8451
Q8412
Q8411
Q8410
JL8408
JL8407
JL8406
JL8405
JL8404
JL8403
CN8403
JL8409
JL8410
JL8411
JL8413
JL8412
C8429
Q8406
C8411
IC8402
R8446 R8447 R8448
R8445
C8434
C8438
JL8401
JL8402
JL8400
Q8407
IC8001
R8460
C8403
C8402
C8038
C8045
C8046
CN8002
CN8004
D8008
D8009
R8011
R8012
R8015
R8021
R8023
R8051
R8052
IC8002
JL8002
JL8003
C8048
C8049
C8050
IC8003
L8008
R8055
R8028
C8016
R8062
JL8007
C8033
C8417
R8443
R8457
R8458
R8400
R8401
R8402
C8416
Q8002
Q8003
Q8004
Q8008
R8466
C8026
Q8413
R8467
R8468
R8469
FL8000
FL8002
JL8005
FL8003
FL8005
Q8005
Q8006
CN8001
Q8403
Q8404
Q8405
C8433
C8437
C8442
C8443
C8444
C8445
C8446
C8447
C8448
C8449
IC8404
IC8405
R8470
R8456
R8459
JL8010
JL8009
C8418
FL8401
L8401
FB8006
FB8007
FB8008
FB8011
R8003
R8004
R8054
FB8002
Q8001
Q8010
R8002
JL8414
JL8415
JL8416
FB8003
FB8012
C8032
R8042
R8026
C8001
C8002
C8003
Q8011
Q8012
Q8013
R8005
R8006
R8007
R8008
R8009
R8010
R8016
R8017
R8018
C8450
C8451
C8452
C8004
C8005
C8006
C8007
C8008
L8001
R8014
R8019
R8020
FB8400
X8400
CN8005
R8403
R8405
R8407
C8040
FB8001
C8039
100µH
:CHIP
100µH
:CHIP
100µH
:CHIP
470
16V
AL-CP
10µH
:CHIP
BK2125HS601
BK2125HS601
0.0022
B:1608
0.0022
B:1608
0.0022
B:1608
0.0022
B:1608
0.01
25V
B:1608
10
16V
0.0022
B:1608
0.1
25V
F:1608
100
1/10W
:1608
10k
1/10W
:1608
100
16V
:AL-CP
100
16V
:AL-CP
100
16V
:AL-CP
100
16V
:AL-CP
10k
1/16W
:1608
10k
1/16W
:1608
10k
1/16W
:1608
4.7k
1/16W
:1608
0.1
25V
F:CHIP
2.2k
1/16W
:1608
47
1/16W
:1608
47
1/16W
:1608
3.3k
1/16W
:1608
150k
1/16W
:1608
22k
1/16W
:1608
33k
1/16W
:1608
220
1/16W
:1608
1M
1/16W
:1608
150k
1/16W
:1608
2.2k
1/16W
:1608
1k
1/16W
:1608
10k
1/16W
:1608
100
1/16W
:1608
100
1/16W
:1608
2.2k
1/16W
:1608
10k
1/16W
:1608
2.2k
1/16W
:1608
0
1/16W
:1608
0
1/16W
:1608
0
1/16W
:1608
0.047
16V
B:1608
1
BP
1
BP
4.7
:AL-CP
4.7
:AL-CP
0.1
16V
B:CHIP
0.022
F:CHIP
CKD510JBH472ST
1000µH
47
:1608
1k
:1608
0
:1608
RD3.9SB2-T1
4P
WHT
:1.5MM
CXA2171AQ
COMPONENT-I/F
0.47
10V
B:1608
0.47
10V
B:1608
0.1
25V
F:1608
0.1
25V
F:1608
0.1
16V
B:1608
0.1
25V
F:1608
47
1/16W
:1608
47
1/16W
:1608
10k
1/16W
:RN-1608
1
6.3V
B:1608
0.01
25V
B:1608
10
16V
:AL-CP
0.47
10V
B:1608
75
1/16W
:1608
1k
1/16W
:1608
10
16V
:AL-CP
330k
1/16W
:1608
100
1/16W
:1608
100
1/16W
:1608
100
1/16W
:1608
100
1/16W
:1608
100
1/16W
:1608
100
1/16W
:1608
100
1/16W
:1608
1.5k
1/16W
:1608
1.5k
1/16W
:1608
1.5k
1/16W
:1608
0.1
16V
F:1608
10
16V
:AL-CP
10µH
:CHIP
2SA1576A-T106-QR
BUFF
2SA1576A-T106-QR
BUFF
2SA1576A-T106-QR
BUFF
1k
1/10W
:RN-CP
1k
1/10W
:RN-CP
1k
1/10W
:RN-CP
10
16V
:AL-CP
0.47
10V
B:1608
0.47
10V
B:1608
0.47
10V
B:1608
0.47
10V
B:1608
75
1/16W
:1608
100
1/16W
:1608
100
1/16W
:1608
75
1/16W
:1608
100
1/16W
:1608
10
16V
:AL-CP
10
16V
:AL-CP
10
16V
:AL-CP
1.5k
1/16W
:1608
1.5k
1/16W
:1608
100
1/16W
:1608
100
1/16W
:1608
100
1/16W
:1608
2SA1576A-T106-QR
BUFFER
2SA1576A-T106-QR
BUFFER
2SA1576A-T106-QR
BUFFER
11P
WHT
:1.5MM
0.1
16V
B:1608
2SA1576A
BUFF
0.47
10V
B:1608
M52055FP
VIDEO-SW
1k
1/16W
:1608
1k
1/16W
:1608
1k
1/16W
:1608
10k
1/16W
:1608
0.1
16V
B:1608
0.1
16V
B:1608
DTC114EUA-T106
INVERTER
TK11819MTL
DC-DC CONVERTER
0
1/16W
:1608
0.47
10V
B:1608
0.47
10V
B:1608
47
16V
AL-CP
47
16V
AL-CP
0.1
25V
F:1608
12P
WHT
4P
WHT
HN1D02FU
MA111
2.2k
1/16W
:1608
4.7k
1/16W
:1608
10k
1/16W
:1608
15k
1/16W
:1608
15k
1/16W
:1608
1.8k
1/16W
:RN-1608
6.2k
1/16W
:RN-1608
PQ20WZ1U
47
6.3V
AL-CP
47
6.3V
AL-CP
0.1
25V
F:1608
PQ018EZ01ZP
10µH
1k
1/16W
:1608
0
1/16W
:1608
47
:AL-CP
0
1/16W
:CHIP
BTF-WA421
47
16V
:AL-CP
10
16V
:AL-CP
0
1/16W
:1608
47
1/16W
:1608
47
1/16W
:1608
100
1/16W
:1608
100
1/16W
:1608
100
1/16W
:1608
1
6.3V
B:1608
2PD601AR
INVERTER
2PB709AR
2PD601AR
BIAS
2PD601AR
ANT SW
0
1/16W
:1608
1
6.3V
B:1608
2SA1576A-T106-QR
2.2k
1/16W
:1608
100
1/16W
:1608
47
1/16W
:1608
CKD510JB1E104ST
CKD510JB1A105ST
CKD510JB1E104ST
CKD510JB1A105ST
2SD601A
2SD601A
100P
TX25-100P-6ST-H1
2SC4081T106R
BUFFER
2SC4081T106R
BUFFER
2SC4081T106R
BUFFER
47
10V
:AL-CP
47
10V
:AL-CP
47
16V
:AL-CP
47
16V
:AL-CP
0.1
16V
B:1608
0.1
16V
B:1608
47
16V
:AL-CP
47
16V
:AL-CP
0.1
16V
B:1608
0.1
16V
B:1608
BA05FP-E2
BA09FP-E2
0
1/16W
:1608
390
:2012
100
1/16W
:1608
330
6.3V
:AL-CP
CKD510JB1A105ST
22µH
:CHIP
BK2125HS601
BK2125HS601
BK2125HS601
BK2125HS601
10k
1/16W
:1608
10k
1/16W
:1608
15k
1/16W
:1608
BK2125HS601
DTC114EUA
DTC114EUA
0
1/16W
:1608
BK2125HS601
BK2125HS601
220p
B:1608
2.2k
1/16W
:1608
10k
1/16W
:1608
47p
CH:1608
47p
CH:1608
47p
CH:1608
2SA1576A-T106QR
2SA1576A-T106QR
2SA1576A-T106QR
100
1/16W
:1608
100
1/16W
:1608
100
1/16W
:1608
1.5k
1/16W
:1608
1.5k
1/16W
:1608
1.5k
1/16W
:1608
220
1/16W
:1608
220
1/16W
:1608
220
1/16W
:1608
27p
CH:CHIP
39p
CH:CHIP
39p
CH:CHIP
0.1
16V
F:1608
10
16V
AL-CP
0
1/16W
:1608
0
1/16W
:1608
0
1/16W
:1608
10µH
:CHIP
0
1/16W
:1608
0
1/16W
:1608
0
1/16W
:1608
0
:2012
CSTCR4M00G53W01
7P
39
1/16W
:RN-CP
39
1/16W
:RN-CP
39
1/16W
:1608
100
16V
:AL-CP
0
1/16W
:2012
0.1
16V
B:1608
33V
MAIN_YV
MAIN_C/CB
MAIN_CR
SET9V
SET5V
SET9V
SET5V
SET5V
ANT_MS1
TU_OUT
TU33V
SET9V
SET5V
TU33V
SET5V
SET9V
D_YCBCR
MAIN_C
CV_COMP_SW
DVI_RST
DVI_VGA
DVI_MUTE
TU_CONT
SET3.3V
STBY5V
FAN
SUB_OUT
MS_LR
DVI_RST
DVI_MUTE
DVI_VGA
LINE_MUTE
SP_DC_PROT
ANT_MS1
SIRCS
STBY5V
FAN_ERR
14V
FAN
TU_CONT
ATSC_LR
14V
FAN_ERR
MAIN_YV
I2C_MAIN
I2C_MAIN
MAIN_SLICER_Y
MAIN_SLICER_Y
SUB_SLICER_Y
WOOFER_MUTE
SP_MUTE
CV_COMP_SW
ATSC_YCBCR
ATSC_YCBCR
SET2.5V
SET5V
DVI 5V
DVI 5V
SET5V
SET9V
I-SAP
AFT1
Y
CB
CR
CR
CB
Y
MTU-V
SDA
SCL
M_HSYNC
SUB_C
SUB_YV
MS_L
MS_R
AGC
O-SAP
I-SAP
FMONO
SDA
SCL
DVI_PR
DVI_PB
DVI_Y
ATSC_R
ATSC_L
ATSC_CB
ATSC_Y
D2_CR
D2_CB
D2_Y
D1_CR
D1_CB
D1_Y
ATSC_CR
AFT1
AGC
O-SAP
FMONO
MTU-L
MTU-R
M_HSYNC
SDA
SCL
ATSC_CR
ATSC_CB
ATSC_Y
DVI_PB
DVI_Y
DVI_PR
1.9Vp-p ( H )
1
• A(1/4) BOARD WAVEFORMS
0.15Vp-p ( )
2