Pioneer DV-470-K, DV-470-S Service manual
PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
PIONEER CORPORATION 2004
ORDER NO.
RRV2959
DV-470-S
DVD PLAYER
DV-470-S
DV-470-K
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Serial No.
Model Type Power Requirement Region No.
DV-470-S WYXCN AC220-240V 2 &&TE######$$
DV-470-S WYXCN/FG AC220-240V 2 &&TE######$$
DV-470-S WVXCN AC220-240V 2 &&TE######$$
DV-470-K WYXCN AC220-240V 2 &&TE######$$
DV-470-K WYXCN/FG AC220-240V 2 &&TE######$$
Confirm 3rd & 4th
alphabetical letters.
For details, refer to "Important symbols for good services".
T-ZZE JUNE 2004 printed in Japan
1234
SAFETY INFORMATION
A
This service manual is intended for qualified service technicians ; it is not meant for the casual
do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been
trainedto properly and safely repair complex products such as those covered by this
manual.Improperly performed repairs can adversely affect the safety and reliability of the product
and mayvoid the warranty. If you are not qualified to perform the repair of this product properly and
safely, youshould not risk trying to do so and refer the repair to a qualified service technician.
WARNING !
THE AEL (ACCESSIBLE EMISSION LEVEL) OF THE LASER POWER OUTPUT IS LESS THAN CLASS 1
B
BUT THE LASER COMPONENT IS CAPABLE OF EMITTING RADIATION EXCEEDING THE LIMIT FOR
CLASS 1.
A SPECIALLY INSTRUCTED PERSON SHOULD DO SERVICING OPERATION OF THE APPARATUS.
LASER DIODE CHARACTERISTICS
FOR DVD : MAXIMUM OUTPUT POWER : 5 mW
FOR CD : MAXIMUM OUTPUT POWER : 5 mW
WAVELENGTH : 650 nm
WAVELENGTH : 780 nm
C
LABEL CHECK
D
E
(Printed on the Rear Panel)
Additional Laser Caution
1. Laser Interlock Mechanism
• Loading switch (S101 on the LOAB Assy) is used for interlock
mechanism of the laser.
When this switch turned ON in SW2 (CLOSE) side (OPEN signal is
0V and CLOSE signal is 3.5V), a laser becomes the status which can
completely oscillation.
Furthermore, the laser completely oscillates in the disc judgment and
disc playback.
When player is power ON state and laser diode is not completely
oscillating, 780nm laser diode is always oscillating by half power.
• Laser diode is driving with Q7 (650nm LD) and Q8 (780nm LD)
on the DVDM Assy.
Therefore, when short-circuit between the emitter and collector of these
transistors or the base voltage is supplied for transistors turn on, the
laser oscillates. (failure mode)
• In the test mode ∗ , there is the mode that the laser oscillates except
for the disc judgment and playback. LD ON mode in the test mode
oscillates with the laser forcibly.
The interlock mechanism mentioned above becomes invalid in this
mode.
2. When the cover is open, close viewing through the objective lens with
the naked eye will cause exposure to the laser beam.
F
2
1234
DV-470-S
∗ : See page 47.
5678
[ Important symbols for good services ]
In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
1. Product safety
You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.
2. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.
3. Cleaning
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.
4. Shipping mode and shipping screws
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
A
B
5. Lubricants, glues, and replacement parts
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
C
D
56
DV-470-S
E
F
3
7
8
1234
CONTENTS
SAFETY INFORMATION ..................................................................................................................................... 2
1. SPECIFICATIONS ............................................................................................................................................ 5
2. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 6
A
B
C
D
2.1 PACKING ................................................................................................................................................... 6
2.2 EXTERIOR SECTION................................................................................................................................ 8
2.3 FRONT PANEL SECTION ....................................................................................................................... 10
2.4 04 LOADER ASSY................................................................................................................................... 12
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM..........................................................................................14
3.1 BLOCK DIAGRAM ................................................................................................................................... 14
3.1.1 SIGNAL ROUTE BLOCK DIAGRAM................................................................................................. 14
3.1.2 POWER SUPPLY BLOCK DIAGRAM................................................................................................16
3.2 WAVEFORMS .......................................................................................................................................... 18
3.3 LOAB ASSY and OVERALL WIRING DIAGRAM..................................................................................... 20
3.4 DVDM ASSY (1/3).................................................................................................................................... 22
3.5 DVDM ASSY (2/3).................................................................................................................................... 24
3.6 DVDM ASSY (3/3).................................................................................................................................... 26
3.7 JCKB ASSY ............................................................................................................................................. 28
3.8 FLKY and PWSB ASSYS ........................................................................................................................ 30
3.9 POWER SUPPLY UNIT............................................................................................................................ 32
4. PCB CONNECTION DIAGRAM ..................................................................................................................... 33
4.1 LOAB ASSY............................................................................................................................................. 33
4.2 DVDM ASSY............................................................................................................................................ 34
4.3 FLKY and PWSB ASSYS ........................................................................................................................ 38
4.4 POWER SUPPLY UNIT............................................................................................................................ 40
4.5 JCKB ASSY ............................................................................................................................................. 42
5. PCB PARTS LIST ........................................................................................................................................... 43
6. ADJUSTMENT ............................................................................................................................................... 45
6.1 ADJUSTMENT ITEMS AND LOCATION ................................................................................................. 45
6.2 JIGS AND MEASURING INSTRUMENTS............................................................................................... 45
6.3 NECESSARY ADJUSTMENT POINTS ................................................................................................... 46
6.4 TEST MODE ............................................................................................................................................ 47
6.5 MECHANISM ADJUSTMENT.................................................................................................................. 48
7. GENERAL INFORMATION............................................................................................................................. 50
7.1 DIAGNOSIS ............................................................................................................................................. 50
7.1.1 TEST MODE ...................................................................................................................................... 50
7.1.2 DISPLAY SPECIFICATION OF THE TEST MODE............................................................................ 51
7.1.3 FUNCTIONAL SPECIFICATION OF THE SHORTCUT KEY ............................................................ 52
7.1.4 SPECIFICATION OF MODEL INFORMATION DISPLAY .................................................................. 53
7.1.5 FUNCTIONAL SPECIFICATION OF THE SERVICE MODE............................................................. 54
7.1.6 METHOD FOR DIAGNOSING DEGRADATION OF THE LDS ON THE PICKUP ASSY .................. 55
7.1.7 TROUBLE SHOOTING...................................................................................................................... 56
7.1.8 ID NUMBER AND ID DATA SETTING ............................................................................................... 59
7.1.9 SEQUENCE AFTER POWER ON..................................................................................................... 62
7.1.10 DISASSEMBLY................................................................................................................................ 63
7.2 IC ............................................................................................................................................................. 71
7.3 DISC / CONTENT FORMAT PLAYBACK COMPATIBILITY ..................................................................... 82
7.4 CLEANING............................................................................................................................................... 84
8. PANEL FACILITIES ........................................................................................................................................ 85
E
F
4
1234
DV-470-S
5678
1. SPECIFICATIONS
A
B
C
D
E
56
DV-470-S
F
5
7
8
1234
2. EXPLODED VIEWS AND PARTS LIST
NOTES:
Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List.
The mark found on some component parts indicates the importance of the safety factor of the part.
A
Therefore, when replacing, be sure to use parts of identical designation.
Screws adjacent to mark on product are used for disassembly.
For the applying amount of lubricants or glue, follow the instructions in this manual.
(In the case of no amount instructions, apply as you think it appropriate.)
2.1 PACKING
B
C
For WVXCN type
5
3
4
12
1
18
2
6
"Operating Instructions"
D
E
7-10
12
15
14
12
For WYXCN and WYXCN/FG types
5
2
3
4
1
16
17
F
6
1234
DV-470-S
>
>
5678
PACKING parts List
No. Description Part No.
Mark
1Power Cable See Contrast table(2)
2Audio/Video Cable VDE1078
3 Remote Control VXX2913
4 Battery Cover VNK4997
NSP 5 Dry Cell Battery (AA,R6P) VEM1010
No. Description Part No.
Mark
10 Operating Instructions See Contrast table(2)
(Spanish/Dutch)
11 • • • • •
12 Polyethylene bag B5 VHL1051
13 • • • • •
A
NSP 6 Warranty Card ARY7065
7 Operating Instructions (English) See Contrast table(2)
8 Operating Instructions See Contrast table(2)
(English/Italian)
9 Operating Instructions See Contrast table(2)
(French/German)
14 Polyethylene Bag VHL1076
15 Pad L VHA1358
16 Pad R VHA1359
17 Packing Case See Contrast table(2)
18 Accessory Box See Contrast table(2)
(2) CONTRAST TABLE
DV-470-S/WYXCN, WYXCN/FG, WVXCN, DV-470-K/WYXCN and WYXCN/FG are constructed the same except for
the following:
Mark No. Symbol and Description
1Power cable ADG1154 ADG1154 ADG1156 ADG1154 ADG1154
7 Operating Instructions (English) Not used Not used VRB1346 Not used Not used
8 Operating Instructions
(English/Italian)
9 Operating Instructions
(French/German)
10 Operating Instructions
(Spanish/Dutch)
17 Packing Case VHG2540 VHG2542 VHG2541 VHG2543 VHG2544
18 Accessory Box Not used Not used VHC1114 Not used Not used
DV-470-S/
WYXCN
VRD1195 Not used Not used VRD1195 Not used
VRD1196 VRD1196 Not used VRD1196 VRD1196
VRD1197 Not used Not used VRD1197 Not used
DV-470-S/
WYXCN/FG
DV-470-S/
WVXCN
DV-470-K/
WYXCN
DV-470-K/
WYXCN/FG
B
C
D
E
F
56
DV-470-S
7
7
8
1234
2.2 EXTERIOR SECTION
A
NON-CONTACT
SIDE
CONTACT SIDE
Refer to
"2.4 04 LOADER ASSY".
4
19
21
18
25
20
21
24
B
9
C
9
9
5
3
22
F
D
24
7
E
C
D
B
9
22
F
23
21
16
G
6
21
2
C
22
F
E
G
C
D
B
B
A
8
25
21
21
1
21
22
22
10
21
E
A
12
F
8
1234
11
Refer to "2.3 FRONT PANEL SECTION".
DV-470-S
13
14
22
>
5678
EXTERIOR SECTION parts List
No. Description Part No.
No. Description Part No.
Mark
1DVDM Assy VWS1585
2 JCKB Assy VWV1995
3POWER SUPPLY Unit VWR1377
NSP 4 04 LOADER Assy VWT1210
5 Connector Assy (13P) VKP2320
6 Flexible Cable (17P) VDA1994
7 Connector Assy (5P) VKP2324
8 Flexible Cable (15P) VDA1991
9 Adapter 2 VNL1967
10 Binder VEC2414
11 Tray Panel See Contrast table(2)
12 DVD A/V Badge See Contrast table(2)
NSP 13 Base Chassis VNA2693
Mark
14 Rubber Foot VEB1349
15 • • • • •
16 Rear Sheet See Contrast table(2)
17 • • • • •
18 Bonnet See Contrast table(2)
19 WY label VRW2138
20 Caution Label VRW1872
21 Screw BBZ30P060FNI
22 Screw BBZ30P080FNI
23 Screw PPZ30P080FNI
24 Screw BBZ30P100FNI
25 Screw See Contrast table(2)
(2) CONTRAST TABLE
DV-470-S/WYXCN, WYXCN/FG, WVXCN, DV-470-K/WYXCN and WYXCN/FG are constructed the same except for
the following:
A
B
Mark No. Symbol and Description
11 Tray Panel VNK5411 VNK5411 VNK5411 VNK5413 VNK5413
12 DVD A/V Badge VAM1135 VAM1135 VAM1135 VAM1120 VAM1120
16 Rear Sheet VRW2135 VRW2135 VRW2135 VRW2136 VRW2136
18 Bonnet VNA2677 VNA2677 VNA2677 VNA2678 VNA2678
25 Screw BBZ30P060FNI BBZ30P060FNI BBZ30P060FNI BBZ30P060FBN BBZ30P060FBN
DV-470-S/
WYXCN
DV-470-S/
WYXCN/FG
DV-470-S/
WVXCN
DV-470-K/
WYXCN
DV-470-K/
WYXCN/FG
C
D
56
DV-470-S
E
F
9
7
8
1234
2.3 FRONT PANEL SECTION
A
2
E
8-1/3
7
B
6
4
C
5
11
10
11
11
11
11
1
D
8-2/3
7
10
11
11
11
11
8-3/3
NON-CONTACT
SIDE
3
4
D
E
CONTACT SIDE
F
10
1234
DV-470-S
5678
FRONT PANEL SECTION parts List
No. Description Part No.
No. Description Part No.
Mark
1 FLKY Assy VWG2511
2 PWSB Assy VWG2482
3Front Panel See Contrast table(2)
4 Rubber Foot VEB1349
5 FL Lens VNK5414
6 Pioneer Name Plate See Contrast table(2)
Mark
7Key To p See Contrast table(2)
8 Main Key See Contrast table(2)
9• • • • •
10 FP Angle VNE2332
11 Screw PPZ30P080FNI
(2) CONTRAST TABLE
DV-470-S/WYXCN, WYXCN/FG, WVXCN, DV-470-K/WYXCN and WYXCN/FG are constructed the same except for
the following:
A
Mark No. Symbol and Description
3Front Panel VNK5610 VNK5610 VNK5610 VNK5611 VNK5611
6 Pioneer Name Plate VAM1129 VAM1129 VAM1129 VAM1130 VAM1130
7Key To p VNK5410 VNK5410 VNK5410 VNK5409 VNK5409
8 Main Key VNK5404 VNK5404 VNK5404 VNK5406 VNK5406
DV-470-S/
WYXCN
DV-470-S/
WYXCN/FG
DV-470-S/
WVXCN
DV-470-K/
WYXCN
DV-470-K/
WYXCN/FG
B
C
D
56
DV-470-S
E
F
11
7
8
1234
2.4 04 LOADER ASSY
A
B
C
Note :
Refer to
" Application of Lubricant".
Daifree
GEM1036
23
25
Lubricating Oil
GYA1001
13
22
12
8
2
6
8
8
8
17
16
4
To DVDM CN101 (Pickup)
To DVDM CN104 (Stepping Motor)
To DVDM CN102 (Spindle Motor)
3
A
5
19
24
18
20
22
15
14
D
04 LOADER ASSY parts List
Mark
No. Description Part No.
NSP 1 LOAB Assy VWG2346
2Traverse Mecha. Assy-S DXX2536
3 Loading Motor Assy VXX2912
4 Motor Pulley PNW1634
NSP 5 Motor VXM1107
E
6 Flexible Cable (24P) VDA1990
7 Connector Assy 2P VKP2325
8 Floating Rubber VEB1351
9 Belt VEB1358
10 Stabilizer VNE2253
22
To
DVDM CN103
9
21
22
7
A
10
11
1
A
Mark
No. Description Part No.
16 Drive Gear VNL1923
17 SW Lever VNL1925
18 Clamper Plate 04 VNE2342
19 Bridge 04 VNE2343
20 Clamper 04 VNL1969
21 Screw JGZ17P028FNI
22 Screw VBA1093
23 Tray VNL1920
24 Clamp Magnet VMG1029
25 03 SD Pickup Assy-S OXX8005
Lubricating Oil
GYA1001
11 Loading Base VNL1917
12 Float Base 04 VNL1968
13 Drive Cam VNL1919
F
14 Gear Pulley VNL1921
15 Loading Gear VNL1922
12
1234
DV-470-S
5678
Application of Lubricant
No. 11
Loading Base
A
Lubricating Oil
GYA1001
Around the shaft
B
Lubricating Oil
GYA1001
Lubricating Oil
GYA1001
Lubricating Oil
GYA1001
No. 13
Drive Cam
Inner side of a ditch
Lubricating Oil
GYA1001
Front View Rear View
No. 23
Tray
Daifree
GEM1036
Concave of unevenness
No. 23
Tray
Lubricating Oil
GYA1001
Inner side of a ditch
Daifree
GEM1036
Lubricating Oil
GYA1001
Inner side of a ditch
No. 13
Drive Cam
Daifree
GEM1036
Concave of unevenness
C
D
E
Top View Bottom View
Concave of unevenness
Daifree
GEM1036
DV-470-S
56
Side of the rib
Daifree
GEM1036
F
13
7
8
1234
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
3.1.1 SIGNAL ROUTE BLOCK DIAGRAM
A
ı1/3
DVDM ASSY
B
MT1389EE-L1
FMSO
FG
DMSO
FOSO
TRSO
TROPEN
TRIN
TROUT
ı1/3
IC201
DVD IC
4
38
47
37
42
41
39
3
49
48
IC203
FLASH ROM
ı1/3
CN1013
SPINDLE
MOTOR
OEIC
B
03 SD
PICKUP
ASSY-S
C
STEPPING
MOTOR
D
CN602
+–
M
LOADING
MOTOR
ASSY
CN601
2 1
1 2
S101
CN101
(24P)
B3
22
B4
21
C
19
A
17
B1
16
B2
15
LD(780)
9
LD(650)
7 18
T DRV
4
T RTN
3
F DRV
2
F RTN
1
CN102
U+
U-
V+
V-
W+
W-
U
V
W
CN104
ST2-
M
ST2+
ST1+
ST1-
CN103
LOAD-
LOAD+
SW2
3
V+3D
4
SW1
5 5
(24P)
3
4
6
8
9
10
16
21
22
23
24
(12P)
2
3
4
5
6
7
9
10
11
1
2
3
4
1
2
3
4
Q8
Q7
T+
T-
F+
F-
HU+
HU-
HV+
HV-
HW+
HW-
U
V
W
5
ST2-
ST2+
ST1+
ST1-
LOAD-
LOAD+
TRIN
V+3D
TROUT
D
A
E
F
B
C
LD2
LD1
31
30
34
35
21
20
19
18
17
16
14
13
12
6
5
9
10
36
37
5
4
18
19
3
2
22
23
ı1/3
IC101
M63018FP
FTS DRIVER
• Focus
• Tracking
• Stepper
• Spindle
• Loading Drive
• FG Detection
2
1 40
2
24
26
27
28
40
PWMOUT1
IC204
BR24L16FV-W
EEPROM
6 5
SCL SDA
103102
IC202
K4S641632H-TC75-K
64M SDRAM
ı1/3
225
217
196
198
194
200
202
203
ASPDIF
ASDAT0
S_C
CVBS
S_Y
G/Y
B/Cb
R/Cr
LOAB ASSY
A
E
POWER SUPPLY
E
UNIT
CN2
(13P)
CN1
LIVE
AC IN
F
NEUTRAL
14
CN301
(13P)
DV-470-S
CN201
(15P)
1234
5678
IC501 PCM1742KE
10
1411
ASDAT0
15
13
12
S_C
CVBS
S_Y
G/Y
B/Cb
R/Cr
AUDIO DAC (L, R)
16
1
2
3
7
ı3/3
8
IC401
MM1623BF
VIDEO DRIVE AMP
ı2/3
C IN
2
V IN
4
Y IN
6
CY IN
10
Cb IN
12
Cr IN
14
AUDIO LPF & AMP
VOUTL
VOUTR
C OUT
26
V OUT
23
Y OUT
21
CY OUT
20
Cb OUT
18
Cr OUT
16
2
3
6
5
IC502-1/2
BA4560F
8
1
ı3/3
7
IC502-2/2
Q901
JA901
OPTICAL
COAXIAL
DIGITAL
AUDIO
OUT
Refer to "3.2 WAVEFORMS".
DVDM Assy : 2 – @
JCKB Assy : 1 – 2
A
B
JA501
L
AUDIO
OUT (2 ch)
R
L
AUDIO
OUT (2 ch)
R
JA401
6
7
8
9
COMPOSITE
VIDEO
OUTPUT
Y
COMPONENT
VIDEO
PB
OUTPUT
PR
C
ı2/3
C OUT
C IN
2
4
6
VIDEO DRIVE AMP
CN101
V IN
Y IN
IC451
MM1566AJ
(15P)
V OUT
Y OUT
15
13
10
IC101 PE5374B
FL CONTROL
MICROCOMPUTER
FRONT R
IC471 MM1505XN
H
4
6
L
IC472 MM1507XN
H
4
6
L
SEL IR
17
KEY0
22
KEY1, KEY2
20,21
CN451
(17P)
2
2
AUD.LFRONT L
13 5
AUD.R
15 3
B/Pb
11 7
G/Py
9 9
R/C/Pr
7 11
C
1 17
V/Y
5 13
Y
3 15
Remote
Sensor
Unit
CN102
KEY0
CN901
(17P)
CN103
1
2
JA902
(21P)
3
1
7
11
15
19
Y
C
JCKB ASSY
L OUT
R OUT
B
G
R/C
V/Y
CN941
S VIDEO
OUT
C
AV CONNECTOR
(RGB)-TV/AV
RECEIVER
D
E
V101
FL TUBE
FLKY ASSY
D
PWSB ASSY
E
DV-470-S
56
F
15
7
8
1234
3.1.2 POWER SUPPLY BLOCK DIAGRAM
A
V+3D
V+3V
V+3RF
X201
27MHz
V+3
ı1/3
DVDM ASSY
B
ı1/3
IC201
MT1389EE-L1
SPINDLE
MOTOR
OEIC
CN1013
(24P)
VCC
CN101
(24P)
22
V+5S
DVD IC
B
03 SD
PICKUP
ASSY-S
V+5S
CN102
(12P)
1
V+5S
C
ı1/3
IC101
M63018FP
FTS DRIVER
• Focus
• Tracking
• Stepper
• Spindle
• Loading Drive
• FG Detection
V+1R8
52,97,122,
152,173,221
IC204
BR24L16FV-W
EEPROM
V+3D
8
46,65,73,80,
108,127,141,
155,167,182,
204,212
189,195,
199
24,234,239,
244,256
228
229
CN104
STEPPING
MOTOR
D
CN602
+–
M
LOADING
MOTOR
ASSY
LOAB ASSY
A
CN601
2 1
1 2
S101
ST2-
M
ST2+
ST1+
ST1-
CN103
LOAD-
LOAD+
SW2
3
V+3D
4
SW1
5 5
1
2
3
4
1
2
V+3D
3
4
3,22,
32,39
V+3
V+6
V+6
V+12
ı1/3
V+3
IC801
NJM78M05FA
5V REG.
IC203
FLASH ROM
12 37
V+3D
V+5A
V+5S V+5V
K4S641632H-TC75-K
64M SDRAM
ı1/3
V+1R8
IC202
1,3,9,14,
27,43,49
V+3D
E
IC311
PQ1M505M2ZPQ
5V REG.
POWER SUPPLY
E
UNIT
CN2
(13P)
13
FL DC+
CN1
LIVE
AC IN
F
NEUTRAL
12
FL DC-
11
EV+4V
8
SW+3.3V
7
EV+6V(A)
5
EV+6V(B)
4
SW+12V
2
-28V
CN301
13
12
11
8
7
5
4
2
(13P)
V+6B
IC321
BA00BC0WT
1.8V REG.
IC341
S-L2980A33MC-C6S
3V REG.
V+4E
V+3E
IC205
PST3228
RESET
CN201
(15P)
-28V
4
FL DC+
6
FL DC-
2
V+3E
5
RESET
8
16
DV-470-S
1234
5678
V+3 V+5A
IC501 PCM1742KE
AUDIO DAC (L, R)
ı3/3
5 6
IC401
MM1623BF
VIDEO DRIVE AMP
1,3,
5,28
ı2/3
V+5V
AUDIO LPF & AMP
IC502-1/2
BA4560F
2
8
1
3
ı3/3
6
7
5
IC502-2/2
V+12
JA901
OPTICAL
COAXIAL
JA501
L
AUDIO
OUT (2 ch)
R
L
AUDIO
OUT (2 ch)
R
JA401
COMPOSITE
VIDEO
OUTPUT
Y
PB
PR
DIGITAL
AUDIO
OUT
COMPONENT
VIDEO
OUTPUT
A
B
C
V+5V
FL DC+
FL DC-
RESET
-28V
+3.3V
ı2/3
1,5,
14,16
IC451
MM1566AJ
VIDEO DRIVE AMP
CN101
(15P)
12
10
14
11
8
-28V
V+3E
1 24 25 59
60
MICROCOMPUTER
1,2
IC101 PE5374B
FL CONTROL
6
RESET
V101
FL TUBE
IC471 MM1505XN
H
4
6
L
IC472 MM1507XN
H
4
6
L
V+3E
3
4
34,35
D
CN451
(17P)
V+5V
16 2
3
2
3
2
CN102
X101
5MHz
FLKY ASSY
V+5
CN901
(17P)
V+5
CN103
PWSB ASSY
E
JA902
(21P)
JCKB ASSY
L OUT
R OUT
B
G
R/C
V/Y
CN941
S VIDEO
OUT
C
AV CONNECTOR
(RGB)-TV/AV
RECEIVER
D
E
F
56
DV-470-S
17
7
8
1234
3.2 WAVEFORMS
Note : The encircled numbers denote measuring point in the schematic diagram.
DVDM ASSY
B
A
Measurement condition ;
No. 2 to 9 : reference A1 (DVD), T2-chp 19, Color-bar
No. 10 to 15 : reference A1 (DVD), T2-chp 1
IC101-pin 24 [FG]
2
V: 1V/div. H: 5msec/div.
B
IC201-pin 39 [TROPENPWM]
3
V: 1V/div. H: 5µsec/div.
[Tray stops]
[Tray is opening] [Tray is closing]
GND
C
Foot of R201 (IC201-pin 37) [DMSO]
4
V: 1V/div. H: 10µsec/div. V: 1V/div. H: 10µsec/div. V: 1V/div. H: 2sec/div.
D
OPEN KEY ON :
The condition which braking is worn in a turn of disc.
CN102-pin 11, 10, 9 (IC101-pin 14, 13, 12)
5
[SPINDLE (WVU)]
V: 2V/div. H: 2msec/div.
[DMSO_OPEN] [DMSO_PLAY] [DMS~3]
E
JA401 [Composite Video Out]
6
V: 1V/div. H: 10µsec/div.
GND
GND
GND
JA401 [Component Video Out-Y]
7
V: 1V/div. H: 10µsec/div.
JA401 [Component Video Out-PB]
8
V: 2V/div. H: 10µsec/div.
JA401 [Component Video Out-PR]
9
V: 2V/div. H: 10µsec/div.
IC501-pin 16 [PCMCK]
10
V: 100mV/div. H: 20nsec/div. fs=48kHz
GND
Tray :
opening
GND
PLAY
OPEN KEY ON PLAY KEY ON :
Braking a turn of disc
7
8
9
IC501-pin 1 [PCMBCK]
11
V: 2V/div. H: 200nsec/div.
GND
GND
starting a turn of disc
GND
GND
GND
GND
GND
F
GND
18
DV-470-S
1234
5678
IC501-pin 3 [PCMLRCK]
12
V: 2V/div. H: 5µsec/div.
JCKB ASSY
C
Measurement condition :
reference A1 (DVD), T2-chp 19, Color-bar
CN941 [S Video Out-Y]
1
V: 1V/div. H: 10µsec/div.
CN941 [S Video Out-C]
2
V: 1V/div. H: 10µsec/div.
GND
IC501-pin 3 [PCMLRCK]
13
V: 2V/div. H: 500nsec/div.
IC501-pin 1 [PCMBCK]
14
V: 2V/div. H: 500nsec/div.
IC501-pin 2 [PCMDATA]
15
V: 2V/div. H: 500sec/div.
1
2
A
13
GND
14
GND
15
GND
B
C
GND2
GND1
D
E
F
56
DV-470-S
19
7
8
1234
3.3 LOAB ASSY and OVERALL WIRING DIAGRAM
A
JCKB ASSY
C
(VWV1995)
B
F
POWER SUPPLY UNIT
AC IN
(VWR1377)
C
STEPPING
MOTOR
03 SD PICKUP ASSY-S (OXX8005)
(RF)
(RF)
(RF)
(RF)
(RF)
(RF)
D
(T)
(T)
INNER
SPINDLE
MOTOR
E
04 LOADER ASSY
TRAVERSE MECHA. ASSY-S
(DXX2536)
LOAB ASSY
A
(VWG2346)
LOADING MOTOR
(VWT1210)
ASSY
(VXX2912)
S101
VSK1011
(F)
(F)
PWSB ASSY
E
F
(VWG2482)
A
20
1234
DV-470-S
5678
÷
When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or
"PCB PARTS LIST".
÷
The > mark found on some component parts indicates the importance of the safety factor
of the part. Therefore, when replacing, be sure to use parts of identical designation.
÷
: The power supply is shown with the marked box.
(RF)
: RF SIGNAL ROUTE
(F)
: FOCUS SERVO LOOP LINE
(T)
: TRACKING SERVO LOOP LINE
A
B
DVDM ASSY
B
(VWS1585)
B 1/3
B 2/3
B 3/3
: DVD IC BLOCK
: POWER and VIDEO BLOCK
: AUDIO BLOCK
C
D
E
FLKY ASSY
D
(VWG2511)
56
DV-470-S
F
21
7
8
1234
3.4 DVDM ASSY (1/3)
B 1/3
A
B
03 SD PICKUP ASSY-S CN1013
C
DVDM ASSY (VWS1585)
(T)
(T)
(F)
(F)
5
SPINDLE MOTOR
(RF)
(RF)
(RF)
(RF)
(RF)
(RF)
Focus, Tracking,
Stepping, Spindle
and Loading Driver
LD Driver for CD
(RF)
(RF)
(RF)
(RF)
LD Driver for DVD
(F)
(T)
(F)
(T)
2
(RF)
(RF)
4
3
CN601
D
A
STEPPING MOTOR
E
VYW2197
F
B 1/3
22
DV-470-S
1234
5678
2/3
B
(R/CR)
(B/CB)
(G/Y)
(V)
(SC)
(SY)
A
3/3B
(D)
(D)
(B/CB)
(R/CR)
(AD)
(G/Y)
(V)
(SC)
(SY)
B
2/3
B
3/3
B
DVD IC
(RF)
(R/CR)
B
2/3
B
2/3
CN101
D
DV-470-S
56
(G/Y)
(B/CB)
(SY)
(SC)
(V)
(D)
(AD)
: RF SIGNAL ROUTE
(F)
: FOCUS SERVO LOOP LINE
(T)
: TRACKING SERVO LOOP LINE
: VIDEO SIGNAL ROUTE (R/CR)
: VIDEO SIGNAL ROUTE (G/Y)
: VIDEO SIGNAL ROUTE (B/CB)
: S VIDEO SIGNAL ROUTE (Y)
: S VIDEO SIGNAL ROUTE (C)
: VIDEO SIGNAL ROUTE (V)
: AUDIO SIGNAL ROUTE (DIGITAL ch)
: AUDIO DATA SIGNAL ROUTE
7
C
K4S641632H-7C75-K
D
E
F
B 1/3
23
8
1234
3.5 DVDM ASSY (2/3)
A
B
C
B 2/3
DVDM ASSY (VWS1585)
5V Regulator
3V Regulator
BA00BC0WT
R321
33K (F)
R323
33K (F)
1.8V Regulator
R322
33K (F)
DVD IC
DVD IC
(B/CB)
(G/Y)
(R/CR)
CN2
F
D
E
1/3B
1/3
B
(B/CB)
(R/CR)
(G/Y)
(SC)
(V)
(SY)
1/3
B
(G/Y)
(B/CB)
(R/CR)
F
24
B 2/3
1/3
B
DV-470-S
1234
5678
Video Driver Amp.
(B/CB)
(G/Y)
(R/CR)
(R/CR)
(G/Y)
(B/CB)
(SY)
(SC)
(V)
Video DAmp.
with SW
: VIDEO SIGNAL ROUTE (R/CR)
: VIDEO SIGNAL ROUTE (G/Y)
: VIDEO SIGNAL ROUTE (B/CB)
: S VIDEO SIGNAL ROUTE (Y)
: S VIDEO SIGNAL ROUTE (C)
: VIDEO SIGNAL ROUTE (V)
(B/CB)
(G/Y)
(V)
(SY)
(FL)
: AUDIO SIGNAL ROUTE (Front L ch)
A
B
3/3B
(FL)
(SC)
(R/CR)
(SY)
(V)
(SY)
(SC)
C
CN901
C
Video Driver Amp.
(SC)
(SY)
(V)
(SY)
(V)
(SC)
(SY)
(V)
(G/Y)
(B/CB)
(R/CR)
6
VIDEO OUT
Y
7
8
9
P
PR
B
VIDEO OUT
COMPONENT
D
E
F
56
DV-470-S
B 2/3
25
7
8
1234
3.6 DVDM ASSY (3/3)
A
B
C
B 3/3
1/3B
(D)
DVDM ASSY (VWS1585)
(D)
(D)
(D)
(D)
COAXIAL
OPTICAL
DIGITAL
AUDIO OUT
D
10
E
F
1/3B
(AD)
: AUDIO DATA SIGNAL ROUTE
(D)
: AUDIO SIGNAL ROUTE (DIGITAL ch)
(FL)
: AUDIO SIGNAL ROUTE (Front L ch)
(SL)
: AUDIO SIGNAL ROUTE (Surround L ch)
(C)
: AUDIO SIGNAL ROUTE (Center ch)
(SW)
: AUDIO SIGNAL ROUTE (Sub Woofer ch)
(FL)
11 14
(AD)
1/3
B
15
12 13
B 3/3
26
DV-470-S
1234
5678
A
B
(FL)
SW for Mute Control
1/3B
(FL)
(FL)
(FL)
(FL)
Mute
SW
Mute
SW
Mute
SW
(FL)
(FL)
C
D
B
2/3
L
AUDIO
OUT 2
(2 ch)
R
E
Reference Voltage Gen.
for Audio Amp.
DV-470-S
56
L
Mute
SW
AUDIO
OUT 1
(2 ch)
R
B
2/3
F
B 3/3
27
7
8
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