Block Diagram And Schematic Diagram; Block Diagram; Signal Route - Pioneer DV-454-K Service Manual

1

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

A

3.1.1 SIGNAL ROUTE

Spindle
Motor
B
PICKUP
ASSY
Stepping
(Carriage)
C
Loading
Motor
Assy
1
– +
M
2
3.3V
CN602
(2P)
S101
A
LOAB ASSY
D
VWR1352: CN101
VWR1354: CN2
(13P)
E
E
POWER
SUPPLY
UNIT
F1
CN1
(2P)
1 2
LIVE
NEUTRAL
F
AC IN
16
1
2
Work RAM for Error Correction
IC302
K6T1008V2E-TB70
1M SRAM
1
RF(TP) 3 RFSACD
CN151
(26P)
(26P)
B1
A
20 7 10
FRONT END IC
B2
B
21 6 12
B3
C
15 12 18
B4
D
16 11 16
A
E
19 8 25
C
F
17 10 24
T_RTN
24 3 13 VM4-
T_DRV
VM4+
25 2 12
F_RTN
26 1 10 VM3+
F_DRV
9 VM3-
23 4
VM1+ VM1-
CN3
Motor
34 35
(4P)
ST1-
4
M
ST1+
3
ST2+
2
ST2-
1
CN601
CN52
(5P)
(5P)
LOD-
1 1
LOD+
2 2
SW2 XCLOSE
3 3
SW1 OPEN
5 5
CN251
(12P)
H1+ H1+
9 9
H1- 8 10 H1-
H2+ 11 H2+
7
H2- 12 H2-
6
H3+ H3+
5 13
• Spindle Drive
H3- H3-
4 14
• FG Detection
A1 10 7 A1
A2 11 4 A2
A3 2 A3
12
17
CN401
(13P)
EV+6V(B)
1 1
EV+6V(A)
2 2
-28V
3 3
FLDC+
4 4
FLDC-
5 5
GND
6 6
P-CONT
7 7
GND
8 8
SW+12V
9 9
GND
10 10
EV+4V
11 11
GND
12 12
SW+3.3V
13 13
2
3
X301
20MHz
131 132
FREOUT FREIN
IC301
FE_DATA
OUT_DATA(0) 84
L6315ATXXTY
• RF Demodulation
• Servo Control
• Servo Decode
• Error Correction
PC(2) PC(6)
FACT TACT
123 124 38 42
FDO TDO SPDL
FG
PDM
3 20
IN3- IN4-
IC351 LOAD_DRV
IN5- 17
M56788AFP
FTS Driver
Focus, Tracking,
Stepper and
Loading Drive
VM2- VM2+ VM5- VM5+
31 32 15 14
2
IC251
FG
BA6664FM 24
FG
Spindle
EC 22
Driver
SPDL PDM
3
X1
X11
5MHz
4 X2
REMOTE
RECEIVER
UNIT
IC301
SPS-444L-H
C
IRKY ASSY
DV-454-K
3
4
Work RAM for MPEG Decode
IC604
K4S641632F-TC75
2
64M SDRAM
IC605 TC7WU04FU
120
PIXCLK
16 S_DATA
16
HSYNC
116
_PWM0
15
IC601
STI5519AVB-B0C
BACK END IC
• System Control
• MPEG Video Decode
• Video Encode
• Video DAC
• Audio Decode
(MP3, Dolby)
• Sub-picture Decode
205
XCLOSE
204
OPEN
IC603
VYW1978
8M FLASH ROM
IC11 PE5314B
FL CONTROL
MICROCOMPUTER
• Main Unit Key Input
• Remote Control Receive
• FL Display Control
IR KEY1 KEY0
17 21 22
CN11
(5P)
5 2 1
IR KEY0
KEY1
5 2 1
CN301
(5P)
KEY3
1
J301
(3P)
PSWB ASSY
4
X601
27MHz
6 5 3
B_OUT 25
G_OUT 26
R_OUT 27
Y_OUT 32
C_OUT 33
CV_OUT 34
SQUEEZ
PIO381 7
LETTER
PIO382 8
DOUT
SPDIF 57
A_BCK
DAC_SCLK 51
A_DATA0
PCMDATA0 52
A_MCLK
PCKCLK 55
A_LRCK
LRCLK 56
V11
FL TUBE
1
D