Philips PET748/58, Руководство по обслуживанию

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5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
3
2
E
2
E
1
2N3904
1
B
C
2N3906
B
3 C
CIRCUIT DIAGRAM AUDIO&VIDEO
A_L_SPEAKER
L
SPR
AV-OUT-R
TV-IN
+VCC
DVD_L
A_
R_
SPEAKER
R
A_R_SPEAKER
SPL
AV-OUT-L
A_
L
_
SPEAKER
AV-OUT-L
AC
AV-IN-L
AV-OUT-R
MUTE
AC
AOUT_R
AOUT_L
CVBS_OUT
TV_AUDIO
+9VIN
+VCC
I/O_MUTE
DV33
CVBS-AVOUT
TUNER_PWM
CVBS_OUT
A_MUTE
MUTE
+9VIN
VER
VER
+9VIN
5VM
AOUT_L 2
AOUT_R 2
TV_AUDIO
6
AOUT_R (2)
AOUT_L (2)
CVBS_OUT (2)
TV_AUDIO (5)
+9VIN (1)
I/O_MUTE (5)
DV33 1,2,3,5
L38 FB2K2 L38 FB2K2
C80
1000pF
C80
1000pF
L37
FB2K2
L37
FB2K2
U9
APA2822
U9
APA2822
1
2
3
4
5
6
7
8
R120 200R R120 200R
+
EC47 10uF/16V
+
EC47 10uF/16V
1 2
+
EC55
220uF/16V
+
EC55
220uF/16V
1 2
+
EC38 10uF/16V
+
EC38 10uF/16V
R125
2.2k
R125
2.2k
L32 FB2K2 L32 FB2K2
L39 FB2K2 L39 FB2K2
HA6 HA6
1
1
2
2
3
3
4
4
5
5
6
6
7
7
C87
0.1uF
C87
0.1uF
R92
470R
R92
470R
R139
5.1R
R139
5.1R
+
EC42
22uF/25V
+
EC42
22uF/25V
1
2
C79 100pF C79 100pF
J4 VOLUME 10K J4 VOLUME 10K
1
1
2
2
3
3
4
4
5
5
C9
3
0.
1uF
C9
3
0.
1uF
Q24
2N3906 Q24
2N3906
3 2
1
+
EC50 100uF/16V
+
EC50 100uF/16V
1 2
R93 0R R93 0R
+
-
U8A
NJM4558-SOP-8
+
-
U8A
NJM4558-SOP-8
3
2
1
8
4
R80 1K/0402 R80 1K/0402
R101 39k R101 39k
R108
5.1K R108
5.1K
R9
7
N
C
R9
7
N
C
R91
NC
R91
NC
+ EC51
100uF/10V
+ EC51
100uF/10V
1
2
R119
100K
R119
100K
R
9
8
10K
R
9
8
10K
C90
0.1uF
C90
0.1uF
C81
820p
C81
820p
R
127
4.
7R
R
127
4.
7R
R123 30K R123 30K
R111
NC
R111
NC
D12
1N4148
D12
1N4148
1
2
C89
0.1uF
C89
0.1uF
Q21
2011 Q21
2011 2
1
3
R
9
9
10K
R
9
9
10K
C84 100pF C84 100pF
Q20
2N3904 Q20
2N3904 1
3
2
R103
36K
R103
36K
1 2
+
EC49 10uF/16V
+
EC49 10uF/16V
1 2
R94
0R
R94
0R
R
117
2R
(0805)
R
117
2R
(0805)
R86 0R R86 0R
EC35
10uF/16V
EC35
10uF/16V
2 1
+ EC45
100uF/16V
+ EC45
100uF/16V
1
2
R112 51K R112 51K
R106 0R R106 0R
+ EC46
100uF/10V
+ EC46
100uF/10V
1
2
R115 10K/0402 R115 10K/0402
+ EC44
47uF/16V
+ EC44
47uF/16V
1
2
L35 FB2K2 L35 FB2K2
R95
75R 1%
R95
75R 1%
C82
100pF
C82
100pF
R900 10K R900 10K
C92
0.1uF
C92
0.1uF
+
EC34
10uF/16V
+
EC34
10uF/16V
L36 FB600R L36 FB600R
R89 330R R89 330R
C85
1000pF
C85
1000pF
R124 200R R124 200R
C88
0.1uF
C88
0.1uF
VER1
earphone
VER1
earphone
1 2 3
4 5
6 7
8
9
10
11
R114
56K
R114
56K
C86
820p
C86
820p
+
EC37
10uF/16V
+
EC37
10uF/16V
Q200
3904 Q200
3904 2
1
3
EC40
10uF/16V
EC40
10uF/16V
2 1
R84
0R
R84
0R
R90
18k
R90
18k
R
126
4.
7R
R
126
4.
7R
Q25 2307 Q25 2307
2
1 3
L31
0
L31
0
C95
820P/NC
C95
820P/NC
+
EC48 100uF/16V
+
EC48 100uF/16V
1 2
+
EC41 10uF/16V
+
EC41 10uF/16V
1 2
R104 1k R104 1k
C83
100pF
C83
100pF
Q22
2011
Q22
2011
2
1
3
+
EC39 10uF/16V
+
EC39 10uF/16V
C97
0.1uF
C97
0.1uF
R88
5.1K R88
5.1K
R102
470R
R102
470R
R121
2.2k
R121
2.2k
R83 39k R83 39k
L33 1.8uH L33 1.8uH
R122 30K R122 30K
R
118
2R
(0805)
R
118
2R
(0805)
R110
18k
R110
18k
R
100
10K
R
100
10K
R113 100K R113 100K
R109 330R R109 330R
+ EC43
10uF/16V
+ EC43
10uF/16V
1
2
R107 10K R107 10K
J5
SPK
J5
SPK
1
2
3
4
L34 FB2K2 L34 FB2K2
C91
820P/NC
C91
820P/NC
R96 100K R96 100K
R105
36K
R105
36K
1 2
R85 0R R85 0R
C9
6
0.
1uF
C9
6
0.
1uF
+
-
U8B
NJM4558-SOP-8
+
-
U8B
NJM4558-SOP-8
5
6
7
8
4
C9
4
0.
1uF
C9
4
0.
1uF
R87 10K R87 10K
+
EC36 10uF/16V
+
EC36 10uF/16V
1 2