Philips MCD120, Руководство по обслуживанию

Страница: 13 / 23

AFL
AFR
DA_R
DA_L
AFL
AFR
DA_R
DA_L
AGND
AGND
AVCC12
AGND
AGND
AGND
AGND
AGND
AGND
AGND
AVCC12
AGND
AGND
AGND
P+5V
P+5V
DVCC3
AVCC12
AGND
AGND
VREF3
VREF3
AVCC12
VREF3
AGND
GND
P+12V
AUDIO_MUTE 2
DA_R 2
DA_L 2
AFL 1
AFR 1
Power Off Mute
Power On Mute
POPO MUTE
C201
R13 22K
R12 470 R12 470
BC1
0.1uF
BC1
0.1uF
5
6
7
8
4
+
-
U1B
NJM4558
+
-
U1B
NJM4558
BC50
0.1uF
BC50
0.1uF
R125 7.5K R125 7.5K
EC3 10uF/16V EC3 10uF/16V
R6 180 R6 180
R4 10K R4 10K
EC1 220u/16V EC1 220u/16V
C1 82pF C1 82pF
C8
47pF
C8
47pF
R11
10K
R11
10K
D13
Zener/5V1
D13
Zener/5V1
EC2
10uF/16V
EC2
10uF/16V C2
200pF
C2
200pF
C6
200pF
C6
200pF
R124
10K
R124
10K
R8 1.2K R8 1.2K
2
1 3
Q3
2N3906
Q3
2N3906
R20 1.2K R20 1.2K
R23
10K
R23
10K
3
2
1
8
4
+
-
U1A
NJM4558
+
-
U1A
NJM4558 Q4
2N3904
Q4
2N3904
C5 82pF C5 82pF
EC4
10uF/16V
EC4
10uF/16V C7
1200pF
C7
1200pF
R5 NC/0 R5 NC/0
R10
3.3K
R10
3.3K
R13 10K R13 10K
Q5
2N3904
Q5
2N3904
EC5 10uF/16V EC5 10uF/16V
R3 27K R3 27K
R17 NC/0 R17 NC/0
R126
2.2K
R126
2.2K
R24 470 R24 470
R16 27K R16 27K
2
1 3
Q1
2N3906
Q1
2N3906
R123
10K
R123
10K
R19
7.5K
R19
7.5K
BC35
2.2uF
BC35
2.2uF
R9 100 R9 100
C4
47pF
C4
47pF
R21 100 R21 100
R7
7.5K
R7
7.5K
2
1 3
Q2
2N3906
Q2
2N3906
EC26
100uF/16V
EC26
100uF/16V
R18 180 R18 180
R2 10K R2 10K
C3
1200pF
C3
1200pF
CVBSOUT
V_FSADJ
CVB1
V_COMP
CVB1
V_COMP
V_FSADJ
B/U
R/V_O/SC
G/Y
CVB1_O
B/U_O
B/U
R/V
G/Y
R/V
B/U
CVB1
R/V
B/U_O G/Y_O/SY
R/V_O/SC
G/Y_O/SY
G/Y
V+5V
VGND
VVCC3
VGND
VGND
V+5V VGND
VGND
V+5V
VGND
VGND
VGND
VGND
V+5V VGND
V+5V VGND
V+5V VGND
VGND
V+5V
VGND
V+5V
V_FSADJ 2
V_COMP 2
CVB1_O 1
R/V_O 1
G/Y_O 1
B/U_O 1
TV_DAC2 2
TV_DAC0 2
TV_DAC3 2
TV_DAC1 2
1 R15 R14 R22 R25 R26 Q6 , EC28 PCB
2 R1 EC28 PCB
R29
75
R29
75
C15 NC C15 NC
EC27
47u 16V
EC27
47u 16V
C13
62pF
C13
62pF
C11
62pF
C11
62pF
R27 150 R27 150
R25
33
R25
33
2
1
3
Q6
3906
Q6
3906
R31
75
R31
75
C16
75pF
C16
75pF
R15
91 1%
R15
91 1%
R1 NC R1 NC C21
100pF
C21
100pF
R28
NC/0
R28
NC/0
R26
100 1%/0805
R26
100 1%/0805
2
1
3
Q7
3906
Q7
3906
L4 0.22uH L4 0.22uH
R35 75 R35 75
R33
NC/0
R33
NC/0
R41 150 R41 150
D4
BAV99
D4
BAV99
C17
62pF
C17
62pF
C9 NC C9 NC
EC28
220uF/16V
EC28
220uF/16V
R50 150 R50 150
R14
NC/2.4K
R14
NC/2.4K
R22
1.2K
R22
1.2K
D8
BAV99
D8
BAV99
L1 1uH L1 1uH
R32
75
R32
75
C18 10pF C18 10pF
L3 0.22uH L3 0.22uH
C20
100pF
C20
100pF
D5
BAV99
D5
BAV99 C12 NC C12 NC
R39 1k R39 1k
L2 0.22uH L2 0.22uH
C14
75pF
C14
75pF
2
1
3
Q11
3906
Q11
3906
R30
NC/0
R30
NC/0
C10
75pF
C10
75pF
D1
BAV99
D1
BAV99
Q21
2N3904
Q21
2N3904
CIRCUIT DIAGRAM - DVD BOARD
PART 1
7 - 1 7 - 1