Norcent LT2722
72
AV2L
X
0
+24V
DVDR
D601
6.2V
R603
2.4K 1/16W
X
5VA
+
C683
10uF/16V
X
+
C622
10uF/16V
C601
0.1uF
AV2L
+
C614
1000uF/35V
0
PCR
DVD
X
1
X
CompR
CP601
470pF
1
2
3
4
5
6
7
8
PRE_L
X
0
R613
3.9K 1/16W
0
HDTV_R
10
R620
100K 1/16W
R612
10K 1/16W
AGND
10
C611
470pF
D603
SMB340
L634
600 OHM
R626
100K 1/16W
C691
0.1uF
L601
15uH
L611
600 OHM
AV2_R
10
EAR_R
10
C647
18pF
1
X
HDTV
+
C687
10uF/16V
X
PCR
X
L635
600 OHM
LP601
600 OHM
1
2
3
4
5
6
7
8
C646
0.1uF
+
C625
100uF/16V
C634
470pF
+
C621
10uF/16V
L615
600 OHM
C628
1uF
+
C635
1000uF/35V
R615
100 1/16W
X
Comp_R
10
R609
2.4K 1/16W
AV1
VIDEO_SL4
C645
0.1uF
R614
3.9K 1/16W
0
5VD
PCL
L603
600 OHM
C606
470pF
DVDL
R604
2.4K 1/16W
C681
470pF
C605
470pF
+
C629
4.7uF/16V
C692
0.1uF
1
0
SRSOUT_L
5
AUDIO_SL3
8
HDTVL
R630
10 1/16W
R616
3.9K 1/16W
X
5VC
C612
470pF
AUDIO_SL1
8
HDTVR
+
C690
10uF/16V
+
C626
100uF/16V
PCL
PR604
47K 1/16W
1
2
3
4
8
7
6
5
L605
0 1/16W
C600
0.1uF
SOURCE_R1
2
PR600
47K 1/16W
1
2
3
4
8
7
6
5
X
AV2R
C624
470pF
EAR_R
C627
1uF
R605
100K 1/16W
1
HDTVR
+
C684
10uF/16V
U603
MP7720
1
2
3
4
5
6
7
8
PIN
NIN
AGND
EN
BS
VDD
SW
PGND
HDTVL
EAR_L
C648
18pF
Vidio
AUDIO_SL2
8
+
C631
4.7uF/16V
R624
1K 1/16W
X
C608
0.47uF/50V
5VA
10
5VC
10
PRE_R
R607
4.7K 1/16W
CompR
PR602
47K 1/16W
1
2
3
4
8
7
6
5
HDTV_L
10
R617 3.9K 1/16W
AUDIO_SL1
1
+24V
AV1R
C695
0.0056uF
X
R619
100K 1/16W
AUDIO_SL2
+
C632
100uF/16V
R623
1K 1/16W
L637
600 OHM
5VA
5VD
SOURCE_R2
2
R606
100K 1/16W
C620
470pF
R625
100K 1/16W
X
D602
SMB340
+
C649
1000uF/35V
C609
0.1uF
PR603
47K 1/16W
1
2
3
4
8
7
6
5
L602
600 OHM
AV1_R
10
R621
100 1/16W
L600
15uH
PC_L
AV1L
C696
0.0056uF
CN602
PHONEJACK
1
2
3
4
5
Comp
U602
PT2308
1
8
2
7
3
6
4
5
OUT1
VDD
IN1-
OUT2
IN1+
IN2-
GND
IN2+
0
PC
CompL
U600
74HC4052D
12
14
15
11
1
5
2
4
6
10
9
13
3
16
8
7
X0
X1
X2
X3
Y0
Y1
Y2
Y3
EN
A
B
X
Y
VDD
GND
VEE
X
AGND
10
AV1R
R622
1K 1/16W
U604
MP7720
1
2
3
4
5
6
7
8
PIN
NIN
AGND
EN
BS
VDD
SW
PGND
C602
0.1uF
C604
470pF
1.0
11. AUDIO
B
11
16
Thursday, October 20, 2005
Title
Size
Document Number
Rev
Date:
Sheet
of
DVD_L
10
AUDIO_MUTE
8
DVDR
PC_R
+
C689
10uF/16V
X
AUDIO_SL4
8
CN601
PHONEJACK
1
2
5
3
4
+
C617
10uF/16V
C682
470pF
+
C613
1000uF/35V
PR601
47K 1/16W
1
2
3
4
8
7
6
5
1
SRSOUT_R
5
DVDL
L612
600 OHM
R608
4.7K 1/16W
C607
0.47uF/50V
AV1L
+
C685
10uF/16V
+
C694
4.7uF/25V
C633
470pF
+
C688
10uF/16V
SOURCE_L1
2
+
C618
10uF/16V
C619
470pF
D600
6.2V
EAR_L
10
C603
470pF
U601
74HC4052D
12
14
15
11
1
5
2
4
6
10
9
13
3
16
8
7
X0
X1
X2
X3
Y0
Y1
Y2
Y3
EN
A
B
X
Y
VDD
GND
VEE
R618
1K 1/16W
0
1
+
C686
10uF/16V
L636
600 OHM
CompL
+
C630
100uF/16V
AV1_L
10
L657
600 OHM
Comp_L
10
DVD_R
10
AV2R
R611
10K 1/16W
C610
0.1uF
PR605
47K 1/16W
1
2
3
4
8
7
6
5
X
AV2
AV2_L
10
1
AUDIO_SL3
SOURCE_L2
2
+
C693
4.7uF/25V
R629
10 1/16W
C623
470pF
R610
2.4K 1/16W
Summary of Contents for LT2722
Page 20: ...Norcent LT2722 19 Remove panel Remove the four screws...
Page 21: ...Norcent LT2722 20 Remove the four screws The end...
Page 52: ...Norcent LT2722 51 8 PCB Layout 8 1 Main Board...
Page 53: ...Norcent LT2722 52...
Page 54: ...Norcent LT2722 53...
Page 55: ...Norcent LT2722 54...
Page 56: ...Norcent LT2722 55 8 2 Power Board...
Page 57: ...Norcent LT2722 56...
Page 58: ...Norcent LT2722 57 8 3 Key IR Board...
Page 59: ...Norcent LT2722 58 8 4 Earphone Board...
Page 61: ...Norcent LT2722 60 9 2 Power Board...