42
″
LCD TV ALBA L42M1
56
13) AUDIO AMP/HEADPHONE OUT
SP_AIN_L
AOMCLK
AVSS33_ADAC1
AR1
INPUT0R
R606
47K 1/10W 5%
C614
10uF/10V
R638
22 OHM +-5% 1/4W
C620
1
00N
16
V
R631
10K 1/10W 5%
C739
NC/1uF/16V
R135
22K 1/10W 5%
Modify by Victor 10/22
INPUT2L
PGA2OUTR
AGND
FB608
120R/500mA
1
2
R696
0R05 1/10W 5%
SMD/0402
8W
NO
SM
D
/040
2
DV33
SC2_LIN
IN
P
U
T
2
L
SP_AIN_R
R624
470R 1/10W 5%
C650
10U 10V
C645
470N 10V Y5V
Philips
PnS
AO_MUTE:
High : WM8521 MUTE
AR0
PGA0OUTR
WM8521H9
DV33
1,2,4,5,7,8,11,12,14
HPDET#
+5V_SW
HPOR
C735
100N 16V
R633
100R 1/16W 5%
R705,R747
R639
AOSDATA0
HPOR
DEEEMPH
LOUT-
IN
P
U
T
1
L
C731
100N 16V
C727 10uF/10V
TP608
1
C661
2N2 50V
C631
470N 10V Y5V
5W
AVDD
MT8292_RESET#
R614
0R05 1/10W 5%
+
C651
10uF 50V
AL2O
ENGAGE
C608
10U 16V
C737
NC/1uF/16V
13K
1%
VGA_LIN
10
POWERUP
HP_SC_MUTE
+9V
R315
10K 1/16W 5%
C742
1uF 16V
D605
BAS32L
1
2
A
K
18K
1%
SMD/0402
SMD/0402
DV33SB
2,4,5,7,10,12,14
SC2_LIN
9
MT8292_RESET
SCAR1O_L
R
627
22K O
H
M
1/
16W
SMD/0402
+5V_SW
AR1
USB_OFF
R610
47K 1/10W 5%
C641
100N 50V
+
C624
220UF/25V
R625
10 OHM +-5% 1/8W
Others
AMP_MUTE
5
SC
1
_LI
N
AR0O
ADAC_VCM
C643
470PF50V
C736
1uF 16V
C6
39
10
0N
50V
SMD/0402
AUDIO-VDDA
HPVDD
ROUTE SYMMETRICALLY
Brand
ADCOUTL_8292
C724 10uF/10V
ROUTE SYMMETRICALLY
15.4K
1%
AOLRCK
R678
NC/0R05 1/10W 5%
R1
Q601
DTC623TK
2
3
1
C618
10U 16V
18K
1%
U604
SMD/0402
AO_MUTE
AOLRCK
AR0O
MT8292_MUTE
R609
0R05 1/10W 5%
C710
10N 50V
--
---
---
--
-><
---
---
---
-
8292_V33
+5V_SW
1,2,5,8,9,10,11,12,14
C723 10uF/10V
15.4K
1%
SMD/0402
SMD/0402
R626
+5V_SW
HPOL
STAND_BY
R747
NC/4K7 1/16W 5%
R618
0R05 1/16W
R698
0R05 1/10W 5%
C689
10U 10V
TP
6
21
1
R676
HP
DE
T
#
TV_BYPASS_SEL
R639
-1% 1/10W
FB606
120R/500mA
1
2
U605
MT8292
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 49
50
51
52 53
54
55 56
57
AIN8R
AIN8L
MVDD33
VCM33
MGND33
ADCOUTL
ADCOUTR
HPOUTL
HPGND
HPVDD
HPOUTR
AGND
PGA0OUTL
PGA0OUTR
AV
D
D
VC
M
P
GA
PG
A
2O
U
T
L
PGA2O
U
T
R
PG
A
1O
U
T
L
PGA1O
U
T
R
IN
P
U
T
2
R
IN
P
U
T
2
L
IN
P
U
T
0
R
IN
P
U
T
0
L
IN
P
U
T
1
R
IN
P
U
T
1
L
CL
DI
MUTE#
RESET#
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
DVDD
DGND
GPIO5
GPIO6
GPIO7
GPIO8
GPI
AI
N
1R
AI
N
1L
AI
N
2R
AI
N
2L
AI
N
3R
AI
N
3L
AI
N
4R
AI
N
4L
AI
N
5R
AI
N
5L
AI
N
6R
AI
N
6L
AI
N
7R
AI
N
7L
E-PAD
C617
100N 16V
R686
NC/0R05 1/10W 5%
+9V
+5V_STB
SD
A
34
C632
470PF50V
C6
36
10
0N
50V
NEAR AMP
Close to MT5362
VG
A
_LI
N
HPVDD
AR2
SP_AIN_L
R6
3
7
10
O
H
M
+
-5%
1/
4W
R6
0
8
22
K O
H
M
1/
16
W
SMD/0402
Parts
MVDD33
8292_V33
+9V
11
AL0O
GND
C602
100N 16V
NO
18K
1%
MUTE#
R6
4
0
22
K O
H
M
1/
16
W
C720
NC/10N 50V
MT5362-PBGA470
U400A
K25
L26
M23
L24
K24
M25
J22
J23
G25
G26
K22
K23
J24
H25
J25
H26
J26
K26
B24
C24
D24
A25
B25
C25
D25
B26
H24
L25
AIN_R
AIN_L
AVSS33_AADC
AVSS33_REFN_AADC
AVDD33_REFP_AADC
AVDD33_AADC
AVSS33_ADAC1
AVSS33_ADAC0
AVSS33_ADAC1
AVSS33_ADAC0
AVDD33_ADAC1
AVDD33_ADAC0
AR2
AR0
AR1
AL0
AL1
AL2
AOSDATA3
AOSDATA4
AOLRCK
AOSDATA2
AOSDATA0
AOBCK
AOMCLK
AOSDATA1
AVICM
VMID
YES
SMD/0402
ASPDIF
11,12
MT8292_RESET
5
C804
100N 16V
C654
10uF/10V
C671
10U 10V
SCAR1O_L
11
AVDD33_AADC
IN
P
U
T
0
L
D710
BAS32L
1
2
A
K
R1
Q603
DTC623TK
2
3
1
SMD/0402
SMD/0402
SIDE_LIN
TP
6
20
1
SM
D
/04
02
R671
0R05 1/10W 5%
R628
C693
AV33
2,3,5,10,11,12,14
MT8292_MUTE
5
AVDD33_ADAC1
AVD
D
MT8292_MUTE
C6
4
9
1
00N
50
V
C686
100N 16V
+
C630
680uF 25V
SM
D
/040
2
13K
1%
R641
+12V
SC2_RIN
ADCOUTR
R6
0
7
N
C
/1
0K 1/
16W
5%
SMD/0402
+24V
1
SP_AIN_L
TP607
1
SMD/0402
SCAR2O_R
11
AVSS33_ADAC0
CI_GPIO13
R675
10K 1/10W 5%
R628
-1% 1/10W
AR1O
SC
L
34
C6
29
1
00N
50
V
TP610
1
R622
2K2 1/10W 5%
R642
0R05 1/10W 5%
Others
AV1_LIN
Modify by Victor - 1210
+9V
+24V
HP_SC_MUTE
+
C684
680uF 25V
R697
0R05 1/10W 5%
FB600
120R/500mA
1
2
R643 0R05 1/10W 5%
SC1_LIN
9
ROUT+
C734
100N 16V
C740
NC/1uF/16V
AV33
HPVDD
+
C698
220uF 10V
R677
10K 1/10W 5%
8292_V33
SC
A
R
2O
L
C606
2N2 50V
+
C692
10uF 50V
CI_GPIO13
C733
100N 16V
FB757
300 OHM
SMD/0402
DV33
+5V_SW
1,2,5,8,9,10,11,12,14
SCT1_AUL_OUT#
9,11
SCT2_AUR_OUT#
9,11
STAND_BY
1
REFN_AADC
AL2
INPUT1L
PGA0OUTR
FB604
120R/500mA
1
2
C613
100N 16V
SMD/0402
MAIN_SDA
5,14
AUDIO-VDDA
INPUT1R
R784
NC/0R05 1/10W 5%
AL0O
VCM33
PG
A
2O
U
T
L
R626
SC
2
_LI
N
AMP_MUTE
AR2
R636
-5% 1/10W
ROUT-
AR1O
SC
A
R
2O
R
+
C623
470UF35V
R600
0R05 1/16W
R659
4K7 1/10W
C683
100N 16V
5W
AOLRCK
4
FB601
120R/500mA
1
2
FB609
120R/500mA
1
2
C744
1uF 16V
R668
0R05 1/16W
C685
470N 10V Y5V
TV_BYPASS_SEL
9
R680
470R 1/10W 5%
C741
100N 16V
AV1_RIN
AL0
AL1
C728 10uF/10V
SMD/0402
18K
1%
AV33
LOUT+
STAND_BY
AO_MUTE
C652
10uF/10V
R605
10K 1/10W 5%
SIDE_LIN
11
HPDET
5
REFP_AADC
VGA_RIN
HPDET
AVDD33_ADAC0
R620
4K7 1/10W
D601
BAS316
1
2
AK
C668
2N2 50V
18K
1%
SC
1
_R
IN
SCT2_AUL_OUT#
D606
BAS32L
1
2
A K
SM
D
/0
402
15.4K
1%
Philips
R788
100 OHM 1/10W
C610
10uF/10V
SCAR2O_R
ADCOUTL
VIMD_AADC
AVSS33_ADAC1
TP
60
5
1
U604
L78L09ACZ-AP
3
1
2
IN
OUT
GN
D
+
C693
10uF 50V
HEADPHONE R/L OUTPUT
Near IC
AV33
HP_SC_MUTE
5,11
AVDD33_ADAC1
C805
NC/100N 16V
C6
21
470
N
1
6V
C726 10uF/10V
R601
N
C
/10K 1/
10
W
5%
R629
22 OHM +-5% 1/4W
YES
MAIN_SCL
5,14
VC
M
P
GA
VCM33
C585 10U 10V
R612
22K OHM 1/16W
R681
10K 1/10W 5%
C653
10U 10V
U602
18K
1%
HPOUTR
SCAR1O_R
C604
1uF 16V
C615
1uF 16V
Near IC
VGA
_R
IN
SCT1_AUR_OUT#
AOSDATA0
GND
C6
38
15N
F
50
V
+24V
SI
D
E
_R
IN
PG
A
2O
U
T
R
----
-----
------
----
SM
D
/040
2
AV1_RIN
10
HPOUTR
R641
-1% 1/10W
C637
100N 50V
--
---
---
--
-><
---
---
--
SMD/0402
SMD/0402
OFF_MUTE
11
SCAR2OL
DGND
AVSS33_AADC
C601
4.7UF 10V
NO
Brand
AL1O
AVSS33_ADAC1
MGND33
C612
10uF/10V
R137 4K7 1/10W 5%
+
C695
47uF 25V
SMD/0402
SCAR1O_L
SCAR2O_R
C678
10U 10V
R616
4K7 1/16W 5%
SMD/0402
SMD/0402
DVDD
VCMPGA
C616
10uF/10V
MAIN_SCL
MAIN_SDA
C6
35
47
0N
50V
R6
3
0
N
C
/1
0K 1/
16W
5%
R623
470R 1/10W 5%
C626
470N 10V Y5V
C625
470N 50V
SMD/0402
8292_V33
AUDIO-VDD
SC
2
_R
IN
SOUND_EN
MAIN_SDA
IN
P
U
T
0
R
C6
4
7
100
N
5
0V
C669
10uF/10V
C729
100N 16V
D604
BAS32L
1
2
A K
R604
56 OHM +-5% 1/10W
C598 10U 10V
DV33SB
AL0
R695
0R05 1/10W 5%
C687
100N 16V
FB610
120R/500mA
1
2
CI_GPIO13
10
AUDIO-VDD
AV33
C6
4
0
47
0N
50
V
C738
NC/1uF/16V
R641
Patrs
8292_V33
AR2O
PGA0OUTL
C658
10uF/10V
Q600
BC847BW
SM
D
/04
02
Close to MT5362
PGA0OUTL
C659
2N2 50V
R652
10K 1/10W 5%
TP
6
04
1
C
627
330
P 5
0V
10W
SCT2_AUR_OUT#
DV33
AVSS33_AADC
R1
Q602
DTC623TK
2
3
1
C611
10uF/10V
15.4K
1%
Model
OFF_MUTE
AL2
MT8292_RESET#
+
C622
100uF 35V
R648
-5% 1/10W
C667
10uF/10V
ENGAGE
ADCOUTL
TP
6
03
1
L600
33uH
FB611
120R/500mA
1
2
C691
6N8 50V
DV33
SP_AIN_R
C712
10N 50V
NC
R628
+9V
+5V_SW
+12V
SC1_RIN
ROUT+
TP611
1
Near IC
Yes
SCAR1O_R
11
AL1
DVDD
PGA2OUTL
C6
4
8
1
00N
50
V
R615
10K 1/10W 5%
WM8521HC
YES
SIDE_RIN
11
AOLRCK
MVDD33
C670
10uF/10V
+
C642
47uF/25V
SCT2_AUL_OUT#
9,11
USB_OFF
5
AUDIO-VDD
VGA_LIN
SCT1_AUL_OUT#
HPDET#
+5V_STB
R626
-1% 1/10W
Yes
13K
1%
SCAR2O_L
HPOL
AVSS33_ADAC0
R676
NC/0R05 1/10W 5%
C609
10uF/10V
SMD/0402
SMD/0402
+5V_SW
+12V
LOUT+
AOBCK
R6
34
22
K O
H
M
1/
16
W
C6
4
6
33
0P 50V
R7
83
0
R
05 1/
10
W
5%
MVDD33
HPGND
+
C746
100uF 16V
R611
0R05 1/10W 5%
Near IC
GND
1,2,3,4,5,6,7,8,9,10,11,12,14
AV
1_R
IN
TV_BY PASS_SEL
HPOUTL
FB612
120R/500mA
1
2
FB605
75R W6 RH 3.5X10X1.0
1
2
R731
SC1_LIN
AL2O
SP_AIN_R
+
C697
47uF 25V
R705
NC/4K7 1/16W 5%
C605
100N 16V
REFN_AADC
+
C619
10
uF
16
V
FB756
300 OHM
C745
1uF 16V
CN602
PHONEJACK
1
7
6
2
3
4
5
R647
100 OHM +-5% 1/10W
R635
39K OHM 1/16W
R602
10K 1/10W 5%
D602
BAS316
1
2
AK
AMP_MUTE:
NORMAL: Low
MUTE: High
AOBCK
4
+5V_STB
1,2,5,10
AV
1_L
IN
AVDD33_ADAC0
DVDD
INPUT2R
C663
10uF/10V
SM
D
/04
02
Click
SIDE_RIN
ADCOUTR_8292
SMD/0402
R636,R642,R645,R646,R647,R648
C650,C651,C652,C686,C687
FB606
U602
OFF_MUTE
MUTE#
MGPIO0
C600
100N 16V
R6
3
2
10
O
H
M
+
-5%
1/
4W
HPDET
IN
P
U
T
2
R
SCAR1O_R
SCAR2O_L
C743
1uF 16V
R646
0R05 1/10W 5%
SM
D
/04
02
SMD/0402
NC
SCAR2O_L
11
R679
470R 1/10W 5%
CN600
CONN
1
2
3
4
SI
D
E
_L
IN
AOBCK
C6
28
1
00N
50
V
R731
NC/0R05 1/10W
C732
100N 16V
R6
58
1
0K 1/
16
W
5%
R685
0R05 1/10W 5%
VGA_RIN
10
REFP_AADC
AVDD
SCAR2OR
R655
470R 1/10W 5%
R674
10K 1/10W 5%
--
---
---
--
-><
---
---
---
---
13K
1%
--
---
---
--
-><
---
---
---
-
SM
D
/0
402
AV33
AV1_LIN
10
AR0
AOBCK
C607
2N2 50V
C662
2N2 50V
TP615
1
Near IC
+12V
1,2,9
ASPDIF
ROUT-
IN
P
U
T
1
R
TP614
1
L601
33uH
R621
100R 1/16W 5%
C730
100N 16V
U602
WM8521H9GED/RV
1
2
3
4
5
6
7
8
9
10
11
12
13
14
DGND
LRCLK
DIN
BCLK
MUTE
VOUTR
AGND
CAP
AVDD
VOUTL
DEEMPH
FORMAT
MCLK
DVDD
18K
1%
+9V
DV33
LOUT-
AL1O
ADCOUTL_8292
R619
100R 1/16W 5%
TP609
1
C6
3
3
15
N
F
50V
Q606
BC857BW
1
2
3
R645
0R05 1/10W 5%
R639
ADCOUTR_8292
TP613
1
NC
HPOUTL
AOMCLK
C725 10uF/10V
SMD/0402
AV33
MAIN_SCL
Near MT8292
+24V
POWERUP
SOUND_EN
AVDD33_AADC
AMP_MUTE
C603
10uF/10V
C6
3
4
10
0N
5
0
V
C644
100N 50V
C690
6N8 50V
R603
56 OHM +-5% 1/10W
SC1_RIN
9
AVSS33_ADAC0
FORMAT
OFF_MUTE
D603
BAS32L
1
2
AK
FB603
120R/500mA
1
2
R617
100K 1/10W 5%
18K
1%
SC2_RIN
9
USB_OFF
MT8292_RESET
R654
470R 1/10W 5%
R613
0R05 1/10W 5%
+
C696
220uF 10V
----
-----
------
----
SMD/0402
AR2O
C688
10U 10V
U600
TDA8933BT
1
2
3
4
5
6
8
9
7
10
11
12
13
14
15
16
32
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
33
VSSD/HW
IN1P
IN1N
DIAG
ENGAGE
POWER UP
VDDA
VSSA
CGND
OSCREF
HVPREF
INREF
TEST
IN2N
IN2P
VSSD/HW
VSSD/HW
VSSD/HW
DREF
HVP2
VDDP2
BOOT2
OUT2
VSSP2
STAB2
STAB1
VSSP1
OUT1
BOOT1
VDDP1
HVP1
OSCIO
TH1
8292_V33
SCT1_AUR_OUT#
9,11
DV33SB
INPUT0L
D608
BAS32L
1
2
A
K
SOUND_EN
5
ADCOUTR
R719
0R05 1/16W
R662
0R05 1/10W
R1
Q604
DTC623TK
2
3
1
C657
10uF/10V
Yes
TP
60
6
1
TP612
1
Summary of Contents for L42M1
Page 4: ...42 LCD TV ALBA L42M1 4 1 General Specification...
Page 5: ...42 LCD TV ALBA L42M1 5...
Page 6: ...42 LCD TV ALBA L42M1 6 2 Operating Instructions 2 1 The Use of Remote Control...
Page 7: ...42 LCD TV ALBA L42M1 7...
Page 23: ...42 LCD TV ALBA L42M1 23 2 4 Front Panel Control Knobs...
Page 26: ...42 LCD TV ALBA L42M1 26 Amplifier output 10 W 10 Speaker 6 3 5 PC Timings List...
Page 29: ...42 LCD TV ALBA L42M1 29 5 Remove BKT speakers IR board and key board...
Page 30: ...42 LCD TV ALBA L42M1 30 6 Remove the BKT and separate panel and bezel...
Page 35: ...42 LCD TV ALBA L42M1 35 6 PCB Layout 6 1 Main Board 715G3431 1...
Page 36: ...42 LCD TV ALBA L42M1 36...
Page 37: ...42 LCD TV ALBA L42M1 37 6 2 Power Board 715G3351P01W20003S...
Page 38: ...42 LCD TV ALBA L42M1 38...
Page 39: ...42 LCD TV ALBA L42M1 39...
Page 42: ...42 LCD TV ALBA L42M1 42 8 Block Diagram...