Read Sony CPD-L181 Service Manual online
4-1
4-2
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAMS
H
( FUNCTION SW )
1
GND
CN201
LED DRIVE
Q203,204
LED DRIVE
Q201
LED DRIVE
Q202
KEY MATRIX
S202-S208
2
POWER LED P
3
POWER LED S
4
INPUT LED 1
5
INPUT LED 2
6
SUB 5V
7
KEY DET
8
GND
9
POWER KEY
POWER / STBY
D207
POWER
S201
INPUT 1
D202
INPUT2
D201
C
TO
A BOARD
CN403
A BOARD
CN403
B-SS3482<J..>-BD2-24
1
RED
CN101
CN103
CN105
2
GND
3
GREEN
4
GND
5
BLUE
6
GND
7
H SYNC 1
8
V SYNC 1
9
DDC SCL 1
11
HOST GND 1
DDC 5V 1
10
DDC SDA 1
12
1
RED
2
GND
3
GREEN
4
GND
5
BLUE
B
J
6
GND
7
H SYNC 2
1
GND
1
RED
1
RED
2
GREEN
3
BLUE
13
H SYNC 2
14
V SYNC 2
15
DDC SCL 2
12
DDC SDA 2
INPUT 2
CN104
5
HOST GND 2
9
7
8
6
4
5
3
2
1
DDC 5V 2
6,7,8,10
GND
2
GREEN
3
BLUE
13
1
5
6
10
11
15
H SYNC 1
14
V SYNC 1
15
DDC SCL 1
12
DDC SDA 1
5
HOST GND 1
9
DDC 5V 1
6,7,8,10
GND
2
DTR
3
RXD
4
TXD
D120
D121
5
V-
6
A 5V
7
A 5V
8
V SYNC 2
9
DDC SCL 2
11
HOST GND 2
DDC 5V 2
TO
A BOARD
CN502
A BOARD
CN502
10
DDC SDA 2
12
REMOTE
CN106
INPUT 1
CN102
D
TO
A BOARD
CN404
A BOARD
CN404
( CONNENTION )
A
TO
A BOARD
CN501
A BOARD
CN501
1
5
6
10
11
15
B-SS3482<J..>-BD1-24
SWITCHING
Q301
PH302
T302
SRT
D311
D312
+5V
RECT
D313
PH303
SWITCHING CONT
IC304
SWITCHING CONT
IC303
SWITCHING
D310
TH301
T303
LFT
RY301
GND
D314
MAIN
RECT
IC301
SWITCHING CONT
7
8
10
11
12
6
5
3
4
1
2
VIN
DRV
RELAY
DRIVE
Q303
IC305
FAN DRIVE
FAN
SW
Q302
ISNS
GND
OOB
1
K
2
1
3
1
A
2
13.5V
CN301
D301
+13.5V RECT
D302
+13.5V RECT
D304
+7V RECT
D305
-7V RECT
PH301
V CTL
D308
IC302
VCTL
VCTL
SRT
T301
2
13.5V
3
GND
4
GND
5
GND
6
7V
7
7V
8
GND
9
GND
10
-7V
E
TO
A BOARD
CN401
A BOARD
CN401
TO
INVERTER UNIT
INVERTER UNIT
1
13.5V
CN302
2
13.5V
3
GND
4
GND
1
7-13V
CN304
2
PROT
3
GND
1
GND
CN306
2
GND
3
POWER SW
4
FAN DET
5
STBY 5V
6
STBY 5V
F
TO
A BOARD
CN401
A BOARD
CN401
1
AC L OUT
CN305
2
NC
3
AC L IN
1
AC L
CN307
MAIN POWER
SW
2
NC
AC INLET
3
AC N
DEM
DS
4
R
K
3
1
A
2
R
3
1
2
4
3
2
1
4
3
7
I
2
O
1
5
D
S
3
4
V AUX
V CTL
4
5
7
11
.
13
7
6
9
1
14
5
8
4
C
5
—
0
G
( POWER SUPPLY )
B-SS3482<J..>-BD3-24
Click on the first or last page to see other CPD-L181 service manuals if exist.