Front Board - Philips DVD590M Service Manual

7-2
1

FRONT BOARD

5V
R1 C1 C2
A 4K7
+ C15
104 104
47u/10v
IR
Q1
R80
1
100R
R2
4K7
C3
3904
223
B
VCC
D3 R85
1N4148 10K
R7 R8
C7
10K 10K 104
U2
1 18
RA2 RA1
PCON
2 17
RA3 RA0
3 16
T0CKI OSC1
4 15
/MCLR OSC2
5 14
Vss Vdd
6 13
C
RB0 RB7
7 12
RB1 RB6
+ P/OFF
8 11
RB2 RB5
P/ON
9 10
RB3 RB4
S6
PIC16C54S
C11
10u/10v
TO DECODE BOARD J6
CON1
PITDH=2.0*6
5V
1
D
IR
2
GND
3
POWEROFF
4
EX-OR
EXOR R19 100R
5
DRV1
6
1
2 3
5V
U1
1 24
KI2 KI1
2 23
KI3 KI0
3 22
KI4 CCS
4 21
KI5 KI/O0
5 20
KI6 KI/O1
6 19
KI7 KI/O2
7 18
REM KI/O3
8 17
VDD KI/O4
9 16
SEL KI/O5
10 15
OSCO KI/O6
11 14
OSCI KI/O7
12 13
VSS LMP
Y1
455K
S0102
C4 C5 custom:0x11
101 101
+
C6 C8 R10
47u/10v 104
R9 10K
10K
IR2
4V5
POWEROFF
R82 100R
Q3
R13 33R
1
Y2
3904
4MHz
C12 C13 C14
5P 5P OPEN
LD3 LD2
standby ON
TO POWER+AV BOARD CON512
R5 R15 CON2
PITCH=2.0*4
R18
1
1
FMUTE
5.1k 1.8k
2
2
VCC
3
3
GND
4
4
2 3
4
S1
S2
S3
2 D1 1
1N4148
S4
D2
2 1
1N4148
5V
R21
R6 OPEN
10
R11
10K
Q4
IR1
1
R14
3904 47K
PCON
33R
4
7-2
5 6
5V
R84
R3
2.2k
LD1
PLAY
1 2
2k2
Q2
DRV1
1
R4 3904
1K
VCC
REM1 R12
100
3
VCC
2
GND
1
IR
C9 C10
REM
+
R83 104 47u/10v
4K7
IR1
R20
10R
U4
74HC86
5V
C16
104
5 6
D1 B4
D2 B4
D3 B1
C1 A2
C11 C1
C12 C3
C13 C3
C14 C3
C15 A1
C16 C5
A
C2 A2
C3 A2
C4 B2
C5 B2
C6 C2
C7 C1
C8 C2
C9 B6
C10 B6
CON1 D1
CON2 D3
LD1 B6
LD2 C2
LD3 C2
Q1 A1
B
Q2 B6
Q3 C3
R1 A1
R10 B2
R11 B2
R12 B6
R13 C2
R14 C4
R15 D2
R18 D3
R19 D1
R20 C5
R21 B5
R2 A1
R3 A6
C
R4 B6
R5 D2
R6 B4
R7 C1
R8 C1
R80 A2
R82 C2
R83 C5
R84 A5
R85 B1
R9 C2
REM1 B5
S1 A5
S2 A5
D
S3 B5
S4 B5
S6 C1
U1 A3
U2 C1
U4 C5
Y1 B2