Onkyo DV-SP303 Service Manual page 9

A B
BLOCK DIAGRAM-1
DVD MT PCB ASSY
1
IC4004 IC4005
DVD MECHA
16Mbit Flash 64Mbit SDRAM
ASSY
CP2301
A
11 11 3
B
10 10 4
C
7 7 5
D
6 6 2
E
5 5 18
PICKUP
F
2 2 19
T+ IC4002
21 21 7
MPEG / MICON
T–
22 22 6
/ RF-AMP
F+
23 23 9
F– IC2301
24 24 8
Motor Drive
11
IC
2 10
SW PCB ASSY
13 12 5 4 48 49 228
CD2301 CP2303
SPINDLE SP1+
M 6 1
MOTOR
SP1–
5 2
X4001
SLED SLD+
M 4 3
MOTOR (27MHz)
SLD–
3 4
LOADING MOTOR
PCB ASSY
CD2302 CP2302
LOADING LD+
M 2 4
MOTOR
LD–
1 5
OPEN
3 3
3
SW1
CLOSE
5 1
4
V+3E
CP602 CP603
IC651
FIP Driver IC
5
V651 FL TUBE
OPERATION 2 OPERATION 1
PCB ASSY PCB ASSY
C
IC4001
EEPROM
ASPDIF
225
ASDAT0
217
S_Y
194
S_C
196
R/CR
203
G/Y
200
B/CB
202
CVBS
198
229
CP4002
6 9 11 10
6 9 11 10
CP601
30
D E
IC8004
Audio DAC
2 ch
2
6
2
14
10
12
4
IC8002
Video Driver
6 ch
IC4006
REG+1.8V IC
V+1P8 V+3 V+3A V+3E
2 3
F G
J8004
DIGITAL OUT
COAXIAL
IC8003
Audio LPF
J8003
& AMP
V-OUT L
7 2 1 L
AUDIO OUT
V-OUT R
R
8 6 7
J8002
S_Y OUT
21
S VIDEO OUT
S_C OUT
26
R/CR out
J8001
16 9 2
G/Y out
20 4 5
Y
B/CB out
18 7 11
CB VIDEO
V out POWER PCB ASSY
10
23 OUT
CR
3
CVBS
6
IC8001
4 ch BUS SW
5 8
1 12
3 10
8 5
10 3
12 1
V+12 CP4003 CP502
V+12AT P.CON+12V
2 2
AT+12V for MUTE
V+5A V+5V V+5S V+6A
3 3
P.CON+5V
5 5
P.CON+6V
V+3F
6 6
P.CON+3.3V
8 8
AT+3.3V
9 9
FL DC–
12 12
FL DC+
13 13
-28V
14 14
DV-SP303
H
J8101
15 R
11
G
7 B
19 CVBS
3 L
1 R
F501
J501
Fuse
L
AC IN
N
T501
Power Transformer