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1
2
3
1
2
A
+12VEQ
16V
B
U28
3993
BIAS
U12
A
10K
C
1950
TO SCALER BD 1684
69405
F015
F016
2
1
16V
B
PHONE-OUT-L
4
3
PHONE-OUT-R
D
16V
SOUND-ENABLE
5
6
PHONE-DET
PHONE-DET
3974
F017
2R2
7
8
+5T
3975
+5C
F018
2R2
E
C
F019
F020
9
10
MSP-OUT-R
MSP-OUT-L
+5C
8
U83
220u
U39
16
PHONE-OUT-R
0u1
F
5950
7
2976
D
6
5
U40
G
*
E
H
I
1
2
J
2939 ~ 2999
3970 ~ 3999
EXCEPT 1947,1948,1950,1951,2947,2948,2962,2963,2964,2976,2984,5947,5952,5953,5954,5955,7950,7955 WERE CHIP COMPONENTS.
1
2
3
4
5
6
3
4
VCC
VCC
7956
VCC
BC848C
MODE
3973
U38
U24
BC848C
12K
SD
(R)
1951
JFE6338V
F010
F06
F08
1
LOUT+
ROUT+
2
F011
F09
F07
2
ROUT-
LOUT-
1
F012
3
1948
F013
JFE611V
4
F014
5
U4
PHONE-OUT-L
2984
U85
5951
7953
TDA1308T/N1
0u1
220u
16
VDD
1
OUTA
INA_neg
U6
OUTB
2
-
3
INB_neg
+
U87
7955
-
INA_pos
7950
MC78L12ACP-RM
4
+
BC638
INB_pos
VSS
U88
1
U84
*
IN
U25
2K7
3984
+5C
VCC
U90
7951
BC848C
3
4
4
5
6
Audio Board Diagram-1
8
9
7
5
6
7
VCC
ROUT-
ROUT+
50
0u47
2946
7952
U10
3988
SOUND-ENABLE
VCC
12K
25
10u
(R)
2943
2942
2941
2939
100n
100n
10n
U62
1947
U63
JFE63171
U60
2
1
1
SD
SD
U41
2
RINN
RINN
U42
2959
1u
3
RINP
U43
1u
2960
4
V2P5
U44
2973
1u
5
LINP
U45
6
LINN
LINN
7954
U46
7
AVDDREF
TPA3004D2
8
VREF
9
VARDIFF
10
VARMAX
U86
11
VOL
12
REFGND
U47
3
+12VEQ
U48
OUT
10n
U49
U50
100n
100n
2
GND
2990
2991
2992
10u
25
2986
VCC
U89
3977
+5C
33K
2989
(R)
0u47
50
LOUT+
LOUT-
5
6
7
CHN
TYT12-
SETNAME
LMT-2 (DELL) 23"
CLASS_NO
AUDIO BOARD
IL3MT2W/76
2003-10-31
3
NAME
Johnson Chen/Ivy Su
SUPERS.
CHECK
DATE
2003-10-31
7
8
9
10
11
12
U4 C3
8
9
U6 D3
F06 B4
F07 B4
F08 B5
AUDIO PCB
F09 B5
U10 A5
U12 A2
SB: 59281 x6
U23 E2
U24 A3
PB: 59291
U25 E3
U28 A1
U38 A5
U39 D2
U40 D2
U41 B6
A
U42 C6
U43 C6
U44 C6
U45 C6
VCC
U46 C6
U47 D6
U48 D7
U49 D7
2940
U50 E7
U51 D8
U52 D8
10n
U53 D8
U64
U54 D8
B
+5C
U55 C8
U56 C9
U57 C8
U58 C8
U59
2994
U59 B8
VCLAMPR 36
U60 B6
50
1u
U62 B7
MODE_OUT 35
U63 B7
U58
PHONE-DET
U64 B8
MODE 34
MODE
U57
U83 D1
3083
33
U84 D4
AVCC
VCC
U85 C4
47R
VAROUTR 32
U86 D6
C
U87 D5
VAROUTL 31
U88 D5
U89 E5
FADE 30
U90 E4
AVDD
1947 B5
2997
100n
U56
AVDD 29
1948 B4
U55
1950 B1
2998 220p
COSC 28
1951 B3
U54
3981 120K
2939 B6
ROSC 27
2940 B8
U53
2941 B7
AGND 26
2942 B7
U52
2999
2943 A7
VCLAMPL 25
2944 B4
D
50
1u
2945 B4
2946 A7
2947 A1
2948 A1
2958 C9
U51
2959 C6
10n
2960 C6
2961 A2
2962 E5
2993
2963 A2
2964 A3
2965 A4
2967 D5
VCC
2968 E5
2973 C6
E
2975 D1
2976 D1
2977 D2
2978 E2
2979 E2
2980 E2
2981 E3
2982 D3
2983 E4
2984 C4
2985 D5
8
9
3138 158 5526
2
130
1
KONINKLIJKE PHILIPS ELECTRONICS N.V. 2000
C
10
11
12
W2300
55
9
Go to cover page
13
2986 E7
A
2987 B5
2988 B5
2989 E7
2990 E6
2991 E7
2992 E7
2993 E8
2994 B9
2995 C9
2996 A5
B
2997 C9
2998 C9
2999 D9
3083 C9
3971 A3
3972 A3
3973 A4
3974 C2
3975 C2
3976 C6
3977 E5
C
3978 E5
3979 B9
3980 D6
3981 D9
3982 A5
3983 E5
3984 E4
3985 A6
3986 A5
3987 A6
D
3988 A5
3989 A1
3990 D1
3991 D2
3992 E2
3993 A1
3994 E2
3995 E3
3996 D4
3997 D4
E
3998 A1
3999 D5
5947 A2
5950 D1
5951 C4
5952 E7
5953 E8
5954 A7
5955 A8
7950 D4
7951 E5
F
7952 A5
7953 C3
7954 C7
7955 D5
7956 A4
F010 B3
F011 B3
F012 B3
F013 B3
F014 C3
G
F015 B1
F016 B2
F017 C1
F018 C1
F019 C1
F020 C2
H
I
1
--------
J
A3
13
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