10 - 1
10 - 1
CIRCUIT DIAGRAM - Pre-AMP BOARD
+12V
FL-OUT
GND
FR-OUT
+12V
1
2
3
4
5
6
CN101
2.5/8P
STANDBY
+5V
1
2
3
4
5
CN112
7P
D-GND
S12V
D-GND
Q100
9014
R102
4.7K
KEY
R112
270
D-GND
R105 1M
R101
47K
C100
4.7UF
C101
4.7UF
R100
47K
C119
103P
R117
4.7K
+1
2V
+12V
MUTE
+5V
D-GND
ROT-B
ROT-A
REM
1
2
3
4
5
6
7
8
CN104
8P
1 2 3 4
CN111
4P/2.54
1 2
CN107
2P/2.54
1 2 3 4
JACK101
3P
1 2 3 4
JACK102
3P
1
2
3
JACK100
3P
1
2
CN105
2P/2.0
Q102
8050
R103
10K
D100
4148
R104
10K
C107
100UF/16V
LE
D
S12V
COM
+5
V
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
CN113
34P
FL
-O
U
T
FR
-O
U
T
S1
2V
+12
V
ROT
-B
ROT
-A
K
EY
R
EM
LE
D
M
U
TE-
ST
A
N
D
B
Y
ECO
speak
ct
rl
SP
-G
N
D
SP
-G
N
D
+1
2V
+1
2V
speak
ct
rl
speak
ct
rl
SP
-L
SP
-R
OUT-SW
O
U
T-
SW
1
2
CN108
2P/2.5
D101
4148
MUTE
R114
2.2
FL
-O
U
T
FR
-O
U
T
C102
470uf/16v
G
1
B
2
A
3
ENCODER301
ENCODER
1
2
3
CN1101
3P
SW901
SOURCE
1
2
CN1201
2P
R902
1.5K
RO
T-A
RO
T-B
1
REM
1
GND
2
Vcc
3
S1
REMOTE
1
2
3
4
CN501
4P
R901
10K
DZ901
5.1V
R1001
10K
LED1001
LED
GN
D
REM
-1
VC
C
C902
104P
C901
100UF
12V
A
All parts comply with suppliey environment
note
:
protect material licf regulate by green envionment management
tolerance RES±10
%
CAP±20
%,
special parts nated beside parts
Содержание MCD 728
Страница 2: ...1 1 HANDLING CHIP COMPONENTS ...
Страница 3: ...1 2 ...
Страница 5: ...2 2 ...
Страница 14: ...5 2 5 2 SET BLOCK DIAGRAM ...
Страница 17: ...6 2 6 2 LAYOUT DIAGRAM VFD BOARD ...
Страница 19: ...7 2 7 2 LAYOUT DIAGRAM TUNER BOARD ...
Страница 21: ...8 2 8 2 LAYOUT DIAGRAM AMP BOARD ...
Страница 23: ...9 2 9 2 LAYOUT DIAGRAM CPU BOARD ...
Страница 25: ...10 2 10 2 LAYOUT DIAGRAM Pre AMP BOARD ...
Страница 31: ...13 6 13 6 LAYOUT DIAGRAM DVD MPEG BOARD MPEG board is not repaired program for referrence only ...