Pioneer CLD-D925 User manual

W) PIONEER’
The Art of Entertainment
Service
ORDER NO.
RRV1546
CD CDV LD PLAYER
CLD-D925
THIS
MANUAL
IS
APPLICABLE
TO
THE
FOLLOWING
MODEL(S)
AND
TYPE(S).
CONTENTS
1.
SAFETY
INFORMATION
POVECTeTEeTEeTeereT
Ter
Teer
eT
Teer
2
7.
AGEING
MODE
Poem
ccc
cccerwcerecesesoccccececssnseses
64
2.
PACKING,
EXPLODED
VIEWS
8.
DISASSEMBLY/ASSEMBLY
«-+-+++++++-+++-+++++-
65
AND
PARTS
LIST
Po
eeeececcccccvccece
3
9.
IC
INFORMATION
Come
eee
ec
cane
reece
cnvecececeseseee
68
3.
SCHEMATIC
AND
10.
BLOCK
DIAGRAMS
-++++++-++0+00sseseeestsesesesene
93
PCB
CONNECTION
DIAGRAMS
---eesseeeeeeeees
13
11.
FL
INFORMATION:
+-:-++:-ececececececeeertencneeees
97
4.
PCB
PARTS
LIST
Seen
cee
eeecee
eee
eeecccsececcccveeseeses
37
12.
PANEL
FACILITIES
oe
ccc
cece
cece
receerencrcccenscece
98
5.
ADJUSTMENTS
«svcerrceccecncecsectcesevessesceseesees
42
13.
SPECIFICATIONS
-:----scesseeceeceececeeceeceereees
99
6. SELF- DIAGNOSTIC FUNCTIONS -+++++++++++++++ 62
PIONEER ELECTRONIC CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153, Japan
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER
ELECTRONICS
ASIACENTRE
PTE.
LTD.
501
Orchard
Road,
#10-00
Lane
Crawford
Place,
Singapore
0923
©
PIONEER
ELECTRONIC
CORPORATION
1996
Foes
APRESS
nda

CLD- D925
1. SAFETY INFORMATION
(- VARO!
AVATTAESSA JA SUOJALUKITUS
OHITETTAESSA OLET ALTTHNA
NAKYMATTOMALLE LASERSATEILYLLE.
ALA KATSO SATEESEEN
LASER
Kuva 1
Lasersateilyn
—ADVERSEL:
USYNLIG LASERSTRALING VED ABNING
NAR SIKKERHEOSAFBRYDERE ER UDE AF
FUNKTION UNDGA UDSAETTELSE FOR
STRALING
—
varoitusmerkkt
— VARNING!
OSYNLIG LASERSTRALNING NAR DENNA
DEL AR OPPNAD OCH SPARREN
AR URKOPPLAD. BETRAKTA EJ STRALEN
LABEL CHECK
WY type
WV type
VARSEL
USYMLIG LASERSIRALING VEO ABMING NAR SIKKERHED SAF.
BRYDERE ER UDE AF FUNKTION
UNOGA UDSATTELSE FOR STRALING
VORSICHT!
UNSICHTBARE LASEA-STRAHLUNG TRITT AUS, WENN OECKEL
(ODER RLAPPE) GEOFFNET IST! RECHT DEM STRAML AUSSE TZEN!
vaw1094
TO BEAM
-
CAUTION
INVISIBLE LASER
RADIATION WHEN OPEN,
AVOID EXPOSURE
PRW1018
WARNING!
DEVICE INCLUDES LASER DIODE WHICH
EMITS INVISIBLE INFRARED RADIATION
WHICH 1S DANGEROUS TO EYES. THERE IS
A WARNING SIGN ACCORDING TO PICTURE
1 INSIDE THE DEVICE CLOSE TO THE LASER LASER
DIODE.
Picture
1
Warning
sign
for
laser radiation
IMPORTANT
THIS PIONEER APPARATUS CONTAINS
LASER OF CLASS 1}.
SERVICING OPERATION OF THE APPARATUS
SHOULD BE DONE BY A SPECIALLY
INSTRUCTED PERSON.
LASER DIODE CHARACTERISTICS ——y
MAXIMUM OUTPUT POWER: 5 mw
WAVELENGTH: 780-785 nm tf
WY and WV types
CLASS 1
LASER PRODUCT
VRW-328
WY and WV types
‘VARO!
VARNING!
Betraxta ej strdlen.
Avattsessa ja suojaiukitus ohitetta-
essa olet alttiina nadkymattonalie
lasersSteilylie. Ald katso sdteeseen.
Osynlig laserstrdélning nir denna del
ar Oppnad och sparren 4r urkopplad.
WOW l297-8
Additional Laser Caution
1. The ON/OFF statuses of the side-A/B detection switch
(TURN switch on the TNSB assy ), slider-position detection
switches (INNER and OUTER on the PKSB assy) and
loading-status detection switches (SW 1, 2 and 3 on the
LMSB assy ) are detected by the microprocessor (10101 in
the MAIN assy ). To permit the laser diode to oscillate, it is
required to set the side-A/B detection switch for side A
status (TRN : OFF) and the slider-position detection
switches for the LD ACTIVE status (INNER : OFF, OUTER :
OFF), and to set the loading-status detection switches for tilt
neutral state (SW1 : OFF, SW2 : OFF, SW3 : ON). As long
as these requirements are not satisfied, the laser diode will
not oscillate. When the requirements are met in any way, the
laser diode can oscillate. The laser diode oscillation will
continue if pin 13 of IC801 is shorted to GND or the emitter
and collector of Q834 are shorted each other (fault
condition ) in MAIN assy.
In the test mode * , the laser diode oscillates when the
microprocessor detects a PLAY signal, or when the PLAY
key is pressed (S106 ON in the FLKY assy, with the above
requirements satisfied.
2. When the cover is open, close viewing through the objective
lens with the naked eye will cause exposure to a Class 1
laser beam.
* . Refer to pages 44 and 45.

CLD- D925
2.
PACKING,
EXPLODED
VIEWS
AND
PARTS
LIST
NOTES:
@
Parts
marked
by
“NSP”
are
generally
unavailable
because
they
are
not
in
our
Master
Spare
Parts
List.
@
The
Ay
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.
@
Parts
marked
by
“@®
”
are
not
always
kept
in
stock.
Their
delivery
time
may
be
longer
than
usual
or
they
may
be
unavailable.
2.1 PACKING
(1) CONTRAST OF CLD- D925/WY AND WV
CLD-D925/WY and WV have the same construction except for the following:
y
s
| __WYtype__—s{|_——=—WV'type_—si'
Power Cord ADGI1154 ADG1156
Operating Instructions VRF1037 Not used
(Dutch/Swedish/Spanish/Portuguese)
Caution
Caution (UC)
VRR1009
Not used
Not used
VRRI1020
VRM1027 Not used
Caution (EW)
(2) PARTS LIST FOR CLD- D925/WY
Mark
No.
Description
Part
No.
Mark
No.
Description
Part
No.
NSP
1
Dry
Cell
Batteries
VEM
-
022
11
Case
(Under)
VNK2062
(RO3,
AAA)
12
Filter
VNK
2063
2
Euroconnector
Cable
VDE103}
13.
Case
(Upper)
VNK3134
3.
Audio
Cord
VDE1033
NSP
14
=
Caution
VRRI1009
A
4
Power
Cord
ADG1154
15
Protector
L
VHB1054
5
Polyethylene
Bag
Z21
-
038
16
Protector
R
VHBI1055
(0.03*230*340)
17.
Mirror
Mat
VHLI1012
NSP
6
Warranty
Card
ARW
-
088
18
Packing
Case
VHG1581
7
Operating
Instructions
VRE1047
19
eeee8
(English/French/German/Italian)
NSP
20
Caution
(EW)
VRM1027
8
Operating
Instructions
VRFI1037
NSP
21
Polyethylene
Bag
VHL-014
(Dutch/Swedish/Spanish/Portuguese)
22.
~+Mirror
Mat
Sheet
VHLI039
9 Remote
Control
Unit
VXX2242
(CU-
CLDI115)
10
Battery
Cover
DNK2286
WV
Type
WY
Type
eam ae: | a ns 1

CLD- D925
2.2 EXTERIOR AND DISC TRAY SECTION
(1)
CONTRAST
OF
CLD-
D925/WY
AND
WV
CLD-D925/WY
and
WV
have
the
same
construction
except
for
the
following:
Part No.
Symbol & Description Remarks
NSP
21
|
Caution
Label
HE
VRW1297
Not
used
23
|
Caution
Label
VRW1094
PRW1018
(2) PARTS LIST FOR CLD- D925/WY
Mark
No.
Description
Part
No.
Mark
No.
Description
Part
No.
1
Bonnet
S
VXX2252
16
Door
Spring
VBH1248
2
Screw
BBZ30P080FMC
17
Door
Holder
VNL1704
3.
Screw
BCZ40PO060FZK
18
Damper
Assy
VXA1999
4
Rear
Cover
VNK3767
19
Tray
Panel
VNK3624
5
Guide
Plate
(R)
VNE1939
20
Name
Plate
VAM1029
6
Guide
Plate
(L)
VNE1938
NSP
21
Caution
Label
HE
VRW1297
7
CDTray
VNK3007
22
~~‘
Tray
Panel
Assy-S
VXX2409
8
Lock
Plate
VNLI1703
23
Caution
Label
VRW1094
9
Lock
Plate
Spring
VBH1188
NSP
24
Caution
Label
(F)
VRW
-
328
10
Tray
Assy-S
VXX2307
25
Caution
Label
(G)
VRW
-
329
11
Cushion
VEC1682
12
Damp
Cushion
VEC1683
NSP
13
Label
VRW1289
14.
LD
Tray
Assy
VXA2173
15
CD
Door
Assy
VXA2275

CLD- D925
NOTE: Screws adjacent to W mark on the product
are used for disassembly.

CLD- D925
2.3 TOP VIEW SECTION
Parts List
Mark No. Description
DMYC Assy
SCRB Assy
Center Plate
Rubber Mat
Thrust Holder
MAhkwWNh-
Clamper Head
LD Spring
Cover Spring
Ball Cover
LD Hab
OoOOAenND
1! Ball
12. Bali Guide
13. Clamp Spring
14 Clamper
1S Clamper Holder
16 Center Angle
NSP 17 PCB Holder
18 Connector Assy
19 Screw
20 =Screw
21 FCC Plate
NSP 22 Damp Cushion
Refer to
“2.4 FRONT PANEL SECTION”.
Part No.
VWV 1467
VWV1470
VNE1971
VEBII14
VNL1663
VNL1603
VBH1240
VBH1234
VNL1602
VNT 1047
VNX1013
VNL1616
VBHI239
VNL1604
VNLI680
VNE1965
VNE1964
PGO8KK - F12
IBZ30PO80FMC
BBZ30PO080FMC
VNE2086
VEC1602
Refer to
“2.5 BOTTOM VIEW SECTION”.

2.4 FRONT PANEL SECTION
2.5 BOTTOM VIEW SECTION
Parts List
Mark
No.
Description
Part
No.
Mark
No.
Description
Part
No.
NSP
1
Front
Panel
VNK3765
16
Name
Plate
PAM1704
2
FL
Panel
VNK3766
17.
Front Panel
Assy-
S
VXX2427
3.
Power
Button
VNK3705
18
KeyK
VNK2998
4
LKeyB
VNK3008
19
PWSB
Assy
VWG1744
5
LDKey
Assy
VXA2276
20
LEDLens
PNW2019
6 CD Key Assy VXA2277
7 Play Key VNK3720
8 KeyA VNK3719
9 Skip Key VNK3630
10 LED Holder VNK3467
11 Sheet VEC1849
12 Disc Side Key VNK3468
13. FLKY Assy VWG1743
NSP 14 KEYBAssy VWG1728
15 Screw BBZ30P080FMC
Parts List
Mark No. Description
NSP 1 MAIN Assy
2 Screw
A 3. SYPS Assy
4 Joint Cap
NSP 5S Rubber Spacer
6 Tray Stopper
7 — Rear Panel (R)
NSP 8 P Plate Holder
NSP 9 PC Support
NSP 10 PCB Hinge
NSP 11. ~~ Wire Clip (H)
12 ‘Insulator
13. Card Spacer A
NSP 14 Chassis
15 Rear Panel (L)
Part No.
VWS1240
BBZ30PO80FMC
VWRI275
DEB1057
VEB1252
VNL1657
VNAI1713
PNY - 405
VEC- 269
VECI174
VEC1181
PNW1912
VEC1708
VNA1564
VNAI712
CLD - D925
Mark No. Description Part No.
16 Spacer REB1I17}
17 Flexible Cable (21P) VDA 1465
18 Flexible Cable (16P) VDA 1488
NSP 19 Panel Holder VNAI1S07
20 Screw BBZ30P100FMC
NSP 21 Mechanism Assy VWT1131
22 Shaft Holder DNK2414
23 eoeee
NSP 24 = Spacer VEC - 244
NSP 25 Bush Holder VNE2063
26 PSW Bush DNK 1326
27 PSW Cap DNK 1325
NSP 28 = PSW Joint VLL1487

CLD- D925
2.6 SERVO MECHANISM SECTION
Parts List
Mark No. Description
1 Tilt Base (upper)
NSP 2 BISB Assy
3. Screw
4 eoeeeve
S Rack (Upper)
6 Shaft Stay
7 ~~ Carriage Shaft (upper)
8 BCam
9 — Shaft Support
10 Support Spring
11 SW Lever (B)
12 Large hill
13. Flexible Cable (23P)
14 Tum Guide
1S FFC Style Shaft
16 Guide
17. Lever Spring
18 Turn Gear
19 SW Lever (T)
NSP 20 ~~ TNSB Assy
21 Housing Assy (3P, Black)
22 ~=Tilt Base (Under)
23 ~TAN Guide
24 ~CA Rack
25 FFC Style Spring
26 ~—- Thrust Spring
27. ~CA~SW Lever
NSP 28 ~~ PKSB Assy
29 ~~ Housing Assy (3P, Blue)
30. Tilt Spring
9
Part No.
VNE1969
VWGI1558
BBZ30P060FMC
VNL1679
VNL1671
VLL1478
VNL1673
VNL1672
VBH1265
VNL1678
VNL1682
VDA1I528
VNL1701
VLL1474
VNL1674
VBH1266
VNL1702
VNLI1695
VWGI1557
VKP2059
VNL1670
VNE1973
VNL1647
VBH1270
VBH1245
VNL1644
VWGI555
VKP2045
VBH1263
Mark No. Description
NSP
NSP
NSP
NSP
NSP
31
32
33
34
35
36
37
38
39
40
Al
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
Part No.
Housing Assy (3P, Yellow) VKP2046
FG Assy VWG1556
FG Base VNL1645
Tilt Cam VNL1643
Tilt Cam Spring VBH1243
Screw PMA30P0S50FMC
Screw IBZ26P120FMC
Motor Base VNE1941
Spindle Motor Assy VXA2271
PRC Hub VNL1684
Centering Spring VBH1269
R Turn Table Assy VXA2225
Spindle Motor VXM1057
Screw IBZ26PO060FMC
Screw BPZ20P040FZK
Housing Assy (2P, Red) VKP2060
Earth Lead Unit DE007V FO
Carriage Shaft (Under) VLL1493
Body Guard VNL1681
FFC Holder VNL1706
CA Guide VNL1668
TAN Spring (B) VBH1264
TAN Lever (B) VNL1669
Screw PMZ20P060FZK
Carriage Assy VWTI1110
Cord Binder ZCB - 069Z
Screw BBZ30P080FMC
Refer to
“2.8 CARRIAGE ASSY".
Refer to
“2.7 LOADING MECHANISM SECTION".
10

2.7
LOADING
MECHANISM
SECTION
Parts List
Mark
No.
Description
Part
No.
1
Clamp
Cam
VNL1633
2
CDP
Spring
VBH1191
3 Screw 239-019
4
CD
Plate
VNL1685
5 Rubber Belt VEB1184
6 Gear Pulley VNL1662
7
Twin
Gear
VNL1626
8 Center Gear VNL1660
9
Mechanism
Base
VNK3239
10
Screw
BMZ26P040FMC
1]
Roller
VNL1042
NSP
12
Motor
Pulley
VNL1630
13
Synchro
Gear
Assy
VXA2105
NSP
14
LMSB
Assy
VWGI1612
1S
Cam
Holder
VNE2032
NSP
16
Carriage
Motor
VXM1033
17
Shaft
Holder
VNE1942
18 CAS Spring VBH1190
19
Cam
Plate
VNLI1631
20
Cam
Gear
VNL1625
21 Loading Motor Assy VXX2045
22
MB-SW
Lever
VNLI1664
23
Slider
(R)
VNL1
666
24
=
Slider
(L)
VNL1665
25 Double Gear VNL1661
26 Flexible Cable (12P) VDA1485
“2.6 SERVO MECHANISM
SECTION".
2.8 CARRIAGE ASSY
Parts List
Mark No. Description Part No.
1 CA Gear (A) VNL1638
2 CA Gear (B) VNLI1639
3 Slider Motor Assy VXX2082
4 MHolder VNL1700
5 Screw PBZ20PO060FMC
6 Screw PMZ20P030FMC
CLD- D925
3.
SCHEMATIC
AND
PCB
CONNECTION
DIAGRAMS
NOTE FOR SCHEMATIC DIAGRAMS (Type 4A)
1. When ordering service parts, be sure to refer to
“PARTS LIST of EXPLODED VIEWS” or “PCB
PARTS LIST”.
2. Since these are basic circults, some parts of them or the
values of some components may be changed for improve-
ment.
3. RESISTORS :
Unit: k:kQ, M.MQ, or Q unless otherwise noted.
Rated power: 1/4W, 1/6W, 1/8W, 1/10W unless otherwise noted.
Tolerance * (F). +1%, (G): +2%, (K) : +10%, (M) : +20% or +5%
unless otherwise noted.
4. CAPACITORS :
Unit . p. pF or uF unless otherwise noted.
Ratings : capacitor (1 F) /voltage (V) unless otherwise noted.
Rated voltage : 50V except for electrolytic capacitors.
5. CONS:
Unit : m. mH or 2H unless otherwise noted.
6. VOLTAGE AND CURRENT :
Wior<v:
OC voltage (V) in PLAY mode unless otherwise noted,
@mA or «mA:
DC current in PLAY mode unless otherwise noted
Value in( —) is DC current In STOP mode
7. OTHERS :
e@or@ ° Adjusting point.
e@ << . Measurement point
@ The A mark found on some component parts Indicates the im-
portance of the safety factor of the parts. Therefore, when replacing,
be sure to use parts of identical designation.
8. SCH — () ON THE SCHEMATIC DIAGRAM :
© SCH-L indicates the drawing number of the schematic diagram.
(SCH stands for schematic diagram )
9. SWITCHES (Underline indicates switch position) .
LMSB ASSY
$101: SW1
$102: Sw2
$103 : SW3
PKSB ASSY
$104. INNER
$105‘ OUTER
BISB ASSY
$112-° B INSIDE
TNSB ASSY
$111. TURN
FLKY ASSY
$101° SYSTEM
$102 : LANGUAGE
$103‘ OPEN/CLOSE (CD 4 )
$104: OPEN/CLOSE (LD 4 )
$105. STOP(M@)
$106: PLAY(P)
$107: PAUSE( HE)
KEYB ASSY
$201: B ] DISC SIDE
$202 A
$203 b& BPE (FWD)
$204: id €4 (REV)
PWSB ASSY
$301: HO CIRCUIT
$302 - DISPLAY OFF
$303 . QUICK TURN
SYPS ASSY
SW101 : POWER ON/OFF
Symbol In PCB
Diagrams
NOTE FOR PCB DIAGRAMS:
1. Part numbers in PCB diagrams match those In the schematic
diagrams.
2. A comparison between the main parts of PCB and schematic dia-
grams is shown below.
Symbol in Schematic
Diagrams
Part Name
BC EBCE
‘ol gl
6c eEBCE
Transistor
Transistor
with resistor
Fleld effect
transistor
Resistor array
BCE
BCE
regulator
oBg
| 3-terminal
1
13

CLD- D925
3.1
OVERALL
CONNECTIONS,
KEYB,
FLKY,
PWSB,
SCRB,
SYPS,
PKSB,
FG,
TNSB,
BISB,
LMSB
AND
CARRIAGE
ASSEMBLIES
CARRIAGE
DMYC
ASSY
A
ASSY
r
VAV1487
oO
Vv
(eo)
_
nP_zy>¥xr8
at
HA
=>
SCH
—
4
eat
PSEggehebassagsssesSo
=
SRE
UEsoon
adn
_§
(a)
|e!
ZPEFVCHURFUBBABOOBOG
SKS
ZYSPPETGSTTEVax
TOP
VIEW
a
|_|
B2
oO
e
O_O
@
SEPP
PaPaPeP
aR
=
SCRB
ASSY
O06
(4)|B4
100@P
G)
|A
|
|
|
|
uy
VWV1470
Sip6
EURO
CONNECTOR
(6)|C
Smale
@1
Ra
VKB1056
OlOlLOlL@Ol@l1O1@
ad
a=
RE
GND
<
J
Oo
z
@
O®
10-0
0
©°O°O
t
vio,
|
:
BNO)
8
8
R158
R151
R152
cl
a
w
=
EY
Ontey
PSzERRSRRERRSRRGS5ES
FRQRTERSE
REL
Lota
sl
|
Se
eatl
v
—
ve
OL
q*S0F
APs
o%
+e
aK
i
*
2
R17
=
=\re
©
me
MONITOR
x
a
ETECTOR
©
MPD
.
CN503
CN1@1
cA
GND
(V)
a
pT
:
eoio
@}—8-CH
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C101
p
gg!
390P
"i
“|
|
RED
I
fries
MAIN
ASSY
Ca
Or
“eyes
a
=:
Me
©
INNER
VWS1240
@
)
©102
b
"om
RED
GND
]
(1/2:
SCH
—
2)
@I+10v_sT
Ol
Pay
|
ae
(7)
OUTER
is
(2/2
:
SCH
—
3)
ps
i=
GREEN
<<
(i8)|FCS
DRV
&
.
(SND
{v
o
D101
re}
4
+
+
2°
FCS
RTN
ae
1SS353
|
4
om
GREEN
GND
a
©{—vipeo
Ivey
J
(2|TRK
RTN
oe
ie
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ae
Pd
R154
R155
R156
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