Front Board - Philips DVD580M Service Manual

Front Board

A B
VCC
R323 R315 D305 R321 R322 R325
10K 10K 1N4148 10K 10K 10K
U302
1
RA2
STD
2
RA3
3
T0CKI
4
/MCLR
5
Vss
K301
6
RB0
POWER
+ PMUTE 7
RB1
HPON 8
RB2
9
1 RB3
C311
10uF
PIC16C54S
DOUBLE LED
FROM POWER BOARD
5V
1
2
-24V
3
AC2
4
AC1
5
CN302
6
CON9(2.0) PCON
7
VCC
8
STD
9
+
C301
47uF/50V
TO MAIN BOARD
VCC
1
DATA
2
2
CLK
3
CS
4
CN301 IR1
5
CON9(2.0) C317
6
100P
PMUTE
7
8
A B
Electrical Diagrams DVD580M
C D
R316 R317 R324
4.7K 4.7K 4.7K
C315
104
18 IR
RA1
NOTE-STDBY
17
RA0
Y1
16
OSC1
4MHz
15
OSC2
14
Vdd
13 POWOFF
RB7
12 PCON
RB6
11
RB5
C314 C313 C312
10
RB4
47P 22P 22P
D304 R318
4.7K
5V
R314
470
CS
CLK
C316
DATA
104
VCC
R319
10K
IR
R313
10k OHM
C D
7. 33
E F
AC1
C302
104
34
G4
35
G3
C310 C308 C309
36
G2
47uF 104 104
37
G1
38
VDD
POWOFF 39
LED4
+ HPON 40
LED3
R308
41
LED2
51K
42
LED1
43
GND
44
OSC
R304 R305 R306
10K 10K 10K
NOTE-STDBY
R301 100 ohm
R302 100 ohm
R303 100 ohm
C305
C303
C304
47P
47P
47P
R320
10K
IR1
Q302
9014C
Q301
9014C
E F
G H I
VFD1
HNV-05SS32
AC2
-24V
22
SEG8
21
SEG7
20
SEG6/K6
U301
19
SEG5/K5
18
SEG4/K4
PT6312 17
SEG3/K3
16
SEG2/K2
15
SEG1/K1
14
VDD 5V
13
KEY4
12
KEY3 D301 D302
1N4148
1N4148
STOP OPEN/CLOSE PLAY/PAUSE
R312 K302 K303 K304
10K
K306
NEXT
VCC
REM301 C306 C307 R307
47uF
104 100 ohm
3
VCC
2
GND
IR
1
IR
+
REM
G H I
J
1
D303
1N4148
R309
10K
R310
10K
K305
PRE R311
10K
2
CL 26532085_079
180702
J