Block Diagram And Schematic Diagram - Pioneer DVD-V7400 Service Manual

1
DVD-V7400, DVD-V7300D

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM
A
SPDL
MOTOR
OEIC
FCS
TRKG
PICKUP
ASSY
LOSB
ASSY
CN302
(8P)
7 2
B
CN301 CN253
8 1
B
5 4
3 6
M
CN202
(8P)
CARRIAGE
MOTOR
1 2
C
CN303
CN401
1 2
SMEB
M
ASSY
LOADING MOTOR
LOMB
A
ASSY
: RF Signal Route
: Audio Signal Route (L ch)
(HP)
: HEAD PHONE Signal Route (L ch)
(V)
: V Signal Route
(Y)
: Y Signal Route
(C)
C
: C Signal Route
(R)
: R Signal Route
(G)
: G Signal Route
(B)
: B Signal Route
EXTB
J
ASSY
JA751
VIDEO
R-Y
JA752
B-Y
Y
V+5D2
V+5D2
NTSC
/PAL
S750
Q901
D
SYNC IN
S901
JA753
75
ON/OFF
10
1
2
(24P) (24P) (24P)
(24P)
CN257 CN258 CN120
RF
10 10 10 10
7,6, 7,6, 7,6, 7,6,
3,2 3,2 3,2 3,2
F_RTN
21 21 21 21
F_DRV
24 24 24 24
T_DRV
22 22 22 22
T_RTN
23 23 23 23
IC251
BA6849FP
CN255
CN251 CN252
9,10
4, 6 VREF
U-, U+
22 1 1
FG VREF
5, 8 11.12
24
2 2
V-, V+
SPDO
9, 10 13.14
21
4 4
W-, W+
1 2
WOUT
2 4
VOUT
3
7
UOUT
(12P)
CN1030
(12P)
(12P) (12P)
CN252
SLDR_R
6 7 7 7
SLDR_F
4 9 9 9
LOAD+
7 6 6 6
LOAD-
9 4 4 4
K
SPDB
ASSY
16M
5
1
27M 33M
(10P)
CN751
6 5
VIDEO
CLOCK GENERATOR
10
Pr
IC21
9
CY2081SL-655
Pb
7
1
Y
5
13.824M
NTSC/PAL
3
CSYNC
2
(2P)
CN71
1
2
3
D
DVDM ASSY
RFO
RF
3 54
RF IC
DSPRF
B1-B4
46
6-9
IC101
BH
LA9701M 56
PH
57
FE
42
TE
35
32 33 30 31 39
FG
55
13 12 10 9
SPDO
46
FDO
3 47
TDO
20 48
SLDO
17 45
SERVO DSP
SPDL & FTS
14
DRIVER
15
LC78652W
IC352
M56788FP
34
35 37
LODDRV
3-5 CONVERTER
TC74VHCT541ADT
DOUT0
ADATA
IC22
TC7WH74FU
36/16M
1
IC73
TC7SHU04F
2
3
4
33M 16M
4 107
170
SD0-SD7
DVD
57-60
DECODER
63-66
MY CHIP
SREQ
56
IC701
CDDATA
111
PD4995A
Q105
4M DRAM
IC702
MN414800CSJ-07
SYSTEM
TC55V2001F-85L
CONTROL CPU
SH1 BASE ASIC
IC201
IC601
PD3410A
14
16M
42
72 87
IC807
AAC3J
4 16
ADA0
14
7
VIDEO ENCODER
IC806
MC44724A
39-46
VIDEO
FILTER
Q807
OUTV
F852
1
Q809
OUTY
4
Q811
OUTC
7
4
27M 36/16M
55 64
149,150,
152-155,
158,159
162
48
WORK SRAM
(2M)
IC604
(7P)
CN106
1 TXD, RXD
I
DTR, CTS
4
(17P)
CN905
AODTI
6
ADTA0
7
(15P)
CN901
(V)
Q808
V
10
(Y)
Q810
Y
12
(C)
Q812
C
8
NTSC/PAL
7
VSEL_SW
1