Sony HCD-DX315 User manual
SERVICE MANUAL
Sony Corporation
Audio Business Group
Published by SonyTechno Create Corporation
US Model
Canadian Model
DVD RECEIVER
9-887-186-03
2007J16-1
© 2007.10
Ver. 1.2 2007.10
HCD-DX315
HCD-DX315 is the amplifier, DVD/CD and tuner
section in DAV-DX315.
SPECIFICATIONS
Model Name Using Similar Mechanism HCD-DX155
Mechanism Type CDM81C-DVBU101
Optical Pick-up Name
KHM-310CAB
This system incorporates with Dolby*1Digital and Dolby Pro Logic (II)
adaptive matrix surround decoder and the DTS*2Digital Surround
System.
*1 Manufactured under license from Dolby Laboratories.
“Dolby,” “Pro Logic,” and the double-D symbol are trademarks of
Dolby Laboratories.
*2 Manufactured under license from Digital Theater Systems, Inc.
“DTS” and “DTS Digital Surround” are trademarks of Digital
Theater Systems, Inc.
— Continued on next page —
AUDIO POWER SPECIFICATIONS
for the US model
POWER OUTPUT AND
TOTAL HARMONIC
DISTORTION
(FTC Output Power): FL/FR/LS/RS/C: 84 W/ch
3 ohm at 170 - 20,000 Hz,
0.7 % THD
SW: 160 W 1.5 ohm at 40 -
170 Hz, 0.7 % THD
Amplifier section
US models:
Surround mode (reference)
RMS output power, 10 %
THD
Front: 143 W + 143 W
(with SS-TS53)
Center*: 143 W
(with SS-CT51)
Surround*: 143 W + 143
W
(with SS-TS51)
Subwoofer*: 285 W
(with SS-WS52B)
Other models:
Stereo mode (rated) 108 W + 108 W (3 ohms at
1 kHz, 1 % THD)
Surround mode (reference)
RMS output power, 10 %
THD
Front: 143 W + 143 W
(with SS-TS53)
Center*: 143 W
(with SS-CT51)
Surround*: 143 W + 143
W
(with SS-TS51)
Subwoofer*: 285 W
(with SS-WS52B)
*Depending on the sound field settings and the source,
there may be no sound output.
Inputs
TV/VCR (AUDIO IN) Sensitivity: 450/250 mV
AUDIO IN/MIC Sensitivity: 250/125 mV
Outputs (Analog)
Phones Accepts low-and high-
impedance headphones.
DVD system
Laser Semiconductor laser
(DVD: λ= 650 nm)
(CD: λ= 790 nm)
Emission duration:
continuous
Signal format system NTSC
Tuner section
System PLL quartz-locked digital
synthesizer system
FM tuner section
Tuning range 87.5 – 108.0 MHz
(100 kHz step)
Antenna (aerial) FM wire antenna (aerial)
Antenna (aerial) terminals 75 ohms, unbalanced
Intermediate frequency 10.7 MHz
AM tuner section
Tuning range 530-1,710 kHz (with the
interval set at 10 kHz)
531-1,710 kHz (with the
interval set at 9 kHz)
Antenna (aerial) AM loop antenna (aerial)
Intermediate frequency 450 kHz
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2
HCD-DX315
MODEL IDENTIFICATION
– Rear Panel –
Model Part No.
US model 2-653-946-2[]
CND model 2-653-946-3[]
•Abbreviation
CND : Canadian model
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINE
WITH MARK 0ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0SUR
LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES
PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE
FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS
QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT
DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS
PUBLIÉS PAR SONY.
SAFETY CHECK-OUT
After correcting the original service problem, perform the following
safety check before releasing the set to the customer:
Check the antenna terminals,metal trim, “metallized” knobs, screws,
and all other exposed metal parts forAC leakage.
Check leakage as described below.
LEAKAGE TEST
The AC leakage from any exposed metal part to earth ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microamperes.).
Leakage current can be measured by any one of three methods.
1. Acommercialleakagetester,suchas the Simpson 229orRCA
WT-540A. Follow the manufacturers’instructions to use these
instruments.
2. A battery-operatedAC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a
VOM orbattery-operatedAC voltmeter.The“limit” indication
is 0.75V, so analog meters must have an accurate low-voltage
scale. The Simpson 250 and Sanwa SH-63Trd are examples
of a passiveVOM that is suitable. Nearly all battery operated
digital multimeters that have a 2VAC range are suitable. (See
Fig. A)
1.5 k
Ω
0.15
µ
FAC
voltmete
r
(0.75 V)
To Exposed Metal
Parts on Set
Earth Ground
Fig. A. Using an AC voltmeter to check AC leakage.
COAXIAL
AM
FM75
SPEAKER
FRONT R FRONT L SUR R SUR LCENTER WOOFER
COMPONENT VIDEO OUT
TV/VCR
MONITOR OUT
ANTENNA
(DVD ONLY)
YP
B
/C
B
P
R
/C
R
RLAUDIO IN
VIDEO
(DVD ONLY)
S VIDEO
Parts No.
Video section
Outputs VIDEO: 1 Vp-p 75 ohms
COMPONENT:
Y: 1 Vp-p 75 ohms
P
B
/C
B
, P
R
/C
R
: 0.7 Vp-p
75 ohms
General
Power requirements 120 V AC, 60 Hz
Power consumption 160 W
Standby: 0.3 W (at the
Power Saving mode)
Dimensions (approx.) 430 ×86 ×418 mm
(17 ×3 1/
2
×16 3/
4
inches)
(w/h/d) incl. projecting
parts
Mass (approx.) 5.0 kg (11 lb 1 oz)
Design and specifications are subject to change
without notice.
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3
HCD-DX315
UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size)
: LEAD FREE MARK
Unleaded solder has the following characteristics.
•Unleaded solder melts at a temperature about 40 °C higher
than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if
the heated tip is applied for too long, so be careful!
•Strong viscosity
Unleaded solder is more viscou-s (sticky, less prone to flow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
•Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
Notes on chip component replacement
•Never reuse a disconnected chip component.
•Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing
•Keep the temperature of the soldering iron around 270 °C
during repairing.
•Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
•Be careful not to apply force on the conductor when soldering
or unsoldering.
CAUTION
Use of controls or adjustments or performance of procedures
otherthanthose specifiedherein mayresultinhazardous radiation
exposure.
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4
HCD-DX315
TABLE OF CONTENTS
1. SERVICING NOTE ................................................... 5
2. GENERAL ................................................................... 9
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 12
3-2. Case, Front PanelAssy .................................................... 13
3-3. FL Board, SW Board....................................................... 14
3-4. JACK Board, LED Board ................................................ 14
3-5. I/O Board, Tuner.............................................................. 15
3-6. SPEAKER Board, D.C. Fan ............................................ 15
3-7. MAIN Board.................................................................... 16
3-8. POWER Board ................................................................ 17
3-9. DVD Mechanism Deck (CDM81C-DVBU101) ............. 18
3-10. Tray.................................................................................. 19
3-11. MOTOR Board M761 (LD/ST Motor),
M762 (BU U/D Motor) ................................................... 19
3-12. Base Unit (DVBU101) .................................................... 20
3-13. Optical Pick-up (KHM-310CAB) ................................... 20
3-14. Gear (Sub Tray 1), Gear (Sub Tray 2) ............................. 21
3-15. Lever Assy ....................................................................... 21
3-16. Stocker Section ................................................................ 22
3-17. Cam (Stocker).................................................................. 22
3-18. Gear (Stocker 3) .............................................................. 23
3-19. Rotary Encoder (MD)...................................................... 23
3-20. Gear (BU2) ...................................................................... 24
4. TEST MODE ............................................................... 25
5. ELECTRICAL ADJUSTMENT ............................. 29
6. DIAGRAMS
6-1. Block Diagram – RF Section –....................................... 32
6-2. Block Diagram – AMP Section – ................................... 33
6-3. Block Diagram – AUDIO Section – ............................... 34
6-4. Block Diagram – VIDEO Section – ............................... 35
6-5. Block Diagram – POWER Section –.............................. 36
6-6. Printed Wiring Board – MAIN Board (Side A) –........... 37
6-7. Printed Wiring Board – MAIN Board (Side B) –........... 38
6-8. Schematic Diagram – MAIN Board (1/10) – ................. 39
6-9. Schematic Diagram – MAIN Board (2/10) – ................. 40
6-10. Schematic Diagram – MAIN Board (3/10) – ................. 41
6-11. Schematic Diagram – MAIN Board (4/10) – ................. 42
6-12. Schematic Diagram – MAIN Board (5/10) – ................. 43
6-13. Schematic Diagram – MAIN Board (6/10) – ................. 44
6-14. Schematic Diagram – MAIN Board (7/10) – ................. 45
6-15. Schematic Diagram – MAIN Board (8/10) – ................. 46
6-16. Schematic Diagram – MAIN Board (9/10) – ................. 47
6-17. Schematic Diagram – MAIN Board (10/10) – ............... 48
6-18. Printed Wiring Board – I/O Board – ............................... 49
6-19. Schematic Diagram – I/O Board – ................................. 50
6-20. Printed Wiring Boards – PANEL Section –..................... 51
6-21. Schematic Diagram – PANEL Section –....................... 52
6-22. Printed Wiring Board – SPEAKER Board – ................... 53
6-23. Schematic Diagram – SPEAKER Board – .................... 53
6-24. Printed Wiring Boards – CD Mechanism Section – ...... 54
6-25. Schematic Diagram – CD Mechanism Section – .......... 55
6-26. Printed Wiring Board – POWER Board – ...................... 56
6-27. Schematic Diagram – POWER Board –........................ 57
7. EXPLODEDVIEWS
7-1. Overall Section ................................................................ 68
7-2. Front Panel Section ......................................................... 69
7-3. Chassis Section................................................................ 70
7-4. DVD Mechanism Deck Section-1
(CDM81C-DVBU101) .................................................... 71
7-5. DVD Mechanism Deck Section-2
(CDM81C-DVBU101) .................................................... 72
7-6. DVD Mechanism Deck Section-3
(CDM81C-DVBU101) .................................................... 73
7-7. Base Unit (DVBU101) .................................................... 74
8. ELECTRICAL PARTS LIST .................................. 75
Ver. 1.2
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5
HCD-DX315
SECTION 1
SERVICING NOTE
NOTES ON HANDLINGTHE OPTICAL PICK-UP BLOCK
OR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostatic
break-down because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused on
the disc reflective surface by the objective lens in the optical pick-
up block. Therefore, when checking the laser diode emission,
observe from more than 30 cm away from the objective lens.
LASER DIODE AND FOCUS SEARCH
1. Open the cover and turn POWER on with no disc inserted.
2. Confirm that the following operation is performed while
observing the objecting lens.
1) Confirm that laser beam is spread.
2) Up and down motion of the objective lens. (3 times)
DISCTRAY LOCK
The disc tray lock function for the antitheft of an demonstration
disc in the store is equipped.
Setting Procedure :
1. Press the ?/1 button to turn the set on.
2. Press the [FUNCTION] button to set DVD function.
3. Insert a disc.
4. Press the x button and the A button simultaneously for five
seconds.
5. The message “LOCKED” is displayed and the tray is locked.
Releasing Procedure :
1. Press the x button and the A button simultaneously for five
seconds again.
2. The message “UNLOCKED” is displayed and the tray is
unlocked.
Note: When “LOCKED” is displayed, the tray lock is not released by
turning power on/off with the ?/1 button.
Note on MAIN board replacement
New part of EEP ROM (IC1103) on the MAIN board cannot be used.
Therefore, if the mounted MAIN board (A-1179-147-A) is replaced,
exchange new EEP ROM (IC1103) with that used before the replacement.
When the self-diagnosis function is activated to
prevent the system from malfunctioning, a 5-
character service number (e.g., C 13 50) with a
combination of a letter and 4 digits appears on
the screen and the front panel display. In this
case, check the following table.
When displaying the version
number on the screen
When you turn on the system, the version
number [VER.X.XX] (X is a number) may
appear on the screen. Although this is not a
malfunction and for Sony service use only,
normal system operation will not be possible.
Turn off the system, and then turn on the system
again to operate.
Self-diagnosis Function
(When letters/numbers appear in the
display)
First 3
characters of
the service
number
Cause and/or corrective action
C 13 The disc is dirty.
,Clean the disc with a soft cloth
C 31 The disc is not inserted correctly.
,Restartthesystem, thenre-insert
the disc correctly.
E XX
(xx is a number) To prevent a malfunction, the
system has performed the self-
diagnosis function.
,Contact your nearest Sony
dealer or local authorized Sony
service facility and give the 5-
character service number.
Example: E 61 10
C:13:50
VER.X.XX
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6
HCD-DX315
CN3002
MAIN BOARD
POWER BOARD
CN902
RED
BLACK
C903
C939
C933
C932
Discharge the charged electricity in capacitors to prevent electric shock as follows
When disassembling the machine, be sure to discharge the charged electricity in the following capacitors.
Use a resistor of 800 ohms, 2 Watts for discharging the following capacitors.
POWER board
C903 : 600V
C932, C933, C939, CN902 : 30V
MAIN board
CN3002 : 30 V
(Parts face side)
(Parts face side)
*
Connect the specified resistor
between black and red leads
gear
tweezers
1
Insert tip of tweezers through the hole
of bottom plate, and roate the gear in
the counter-clockwise direction.
DVD lid
tape
2
Attach an adhesive tape on the DVD LID and draw it out.
HOW TO OPEN THE DISC TABLE WHEN POWER SWITCH TURNS OFF
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HCD-DX315
Fix the capacitors with adhesive agent as follows
Fixing the capacitors with adhesive agent is required by the safety regulation.
Be sure to fix the capacitors with adhesive agent when part or circuit board is replaced.
POWER BOARD
C910
C924 IC921
C930
PRECAUTION WHEN INSTALLING A NEW OP UNIT /
PRECAUTION BEFORE UNSOLDERINGTHE STATIC ELECTRICITY
PREVENTION SOLDER BRIDGE
When installing a new OP unit, be sure to connect the flexible
printed circuit board first of all before removing the static electricity
prevention solder bridge by unsoldering.Remove the static electricity
prevention solder bridge by unsoldering after the flexible printed
circuit board has already been connected.
(Do not remove nor unsolder the solder bridge
as long as the OP unit is kept standalone.)
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HCD-DX315
MAIN BOARD
POWER BOARD
Precaution on the connector processing of the POWER board.
(Parts face side)
(Parts face side)
AC IN
13
1
12
After twist the harness once,
install the connector.
POWER board
MAIN board
IC504
CN506 CN3002
CN3001
CN902
CN901
CN904
IC941 IC942 IC943
When re-assembling, leave 30 mm between
harnesses A and B for safety.
harnesses A
harnesses B
clamp
30mm
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TEL 13942296513 QQ 376315150 892498299
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9
HCD-DX315
SECTION 2
GENERAL This section is extracted
from instruction manual.
Front panel
A"/1(on/standby) (29)
BFront panel display (92)
CA(open/close) (29)
DDisc operation (29)
EFUNCTION (29)
F(remote sensor) (9)
GPHONES jack (29)
HVOLUME control (29)
IAUDIO IN/A.CAL MIC jack (19, 31)
JDISC 1-5 (29)
KDisc tray (29)
Rear panel
ASPEAKER jacks (13)
BMONITOR OUT (S VIDEO/VIDEO) jacks
(24)
CAM terminal (13)
DCOAXIAL FM 75Ωjack (13)
ETV/VCR (AUDIO IN R/L) jacks (27)
FCOMPONENT VIDEO OUT jacks (24)
COAXIAL
AM
FM
75
SPEAKER
FRONT R FRONT L SUR R SUR LCENTER WOOFER
COMPONENT VIDEO OUT
TV/VCR
MONITOR OUT
ANTENNA
(DVD ONLY)
YP
B
/C
B
P
R
/C
R
RLAUDIO IN
VIDEO
(DVD ONLY)
S VIDEO
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TEL 13942296513 QQ 376315150 892498299
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HCD-DX315
Front panel display
About the indications in the front panel display
ALights up when the time information of
a title or chapter appears in the front
panel display. (DVD only) (45)
BLights up when the color system is set
toNTSC.(Asian,Australian,andMiddle
Eastern models only) (17)
CLights up when a station is received.
(Radio only) (58)
DMonaural/Stereo effect (Radio only)
(58)
ELights up when the sleep timer is set.
(62)
FLights up when the music or movie
mode is selected. (Except for JPEG)
(32)
GPlaying status (DVD function only)
HLights up when the DYNAMIC BASS is
selected. (61)
ILights up when CD is loaded.
JLights up when the system outputs
progressive signals (DVD function
only). (25)
KIndicates the selected [SPEAKER
FORMATION]. (66)
LCurrent surround format (Except for
JPEG)
MDisplays system’s status such as
chapter, title, or track number, time
information, radio frequency, playing
status, sound field, etc.
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Q
Q
TEL 13942296513 QQ 376315150 892498299
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11
HCD-DX315
Remote control
AMP MENU wg (22, 31, 60, 62,
97)
ANGLE 5(47)
AUDIO 4(42)
CLEAR ef (36, 58, 60, 71)
D.TUNING wf (58)
DISC SKIP qk (29)
DISPLAY 3(45, 59)
DYNAMIC BASS wd (61)
ENTER qd (19, 22, 31, 36, 57,
63)
FUNCTION ws (25, 29, 31, 37,
57, 66)
MENU wh (42, 57)
MOVIE/MUSIC qj (32)
MUTING 7(29)
Number buttons* qg (36, 58, 60,
63)
PICTURE NAVI 6(37, 60)
PRESET +/– wk es (58)
PROGRESSIVE eg (25)
SLEEP ql (62)
SOUND FIELD qh (33)
SUBTITLE wf (48)
THEATRE SYNC w; (61)
TOP MENU qf (42)
TUNING +/– 0qs (57)
TV e; (60)
TV CH +/– wa (60)
TV VOL +/– eh (60)
TV/VIDEO 2(60)
VOLUME +/–* 8(29, 58, 77)
[/1(on/standby) 1(19, 22, 29,
37, 58)
TV [/1(on/standby) ej (60)
C/X/x/cqd(19, 22, 31, 36, 57,
63) REPLAY/
ADVANCE 9(29)
./>es wk (29)
m/Mqs 0(35)
/ SLOWqs 0(35)
H (play)* ea (29, 37, 64)
STEP 9(35)
x(stop) wl (30, 37, 63)
X(pause) qa (30)
DISPLAY wj (20, 36, 63, 93)
ORETURN ed (37)
-/-- ef (60)
*TheH, number 5, and
VOLUME + buttons have
tactile dots. Use the tactile dots
as references when operating
the system.
ALPHABETICAL ORDER
A – O P – Z
BUTTON DESCRIPTIONS
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Q
Q
TEL 13942296513 QQ 376315150 892498299
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12
HCD-DX315 SECTION 3
DISASSEMBLY
3-1. DISASSEMBLY FLOW
•This set can be disassembled in the order shown below.
•The dotted square with arrow ( ) prompts you to move to the next job when all of the works within the dotted square ( ) are
completed.
3-3.FL BOARD, SW BOARD
(Page 14)
3-4.JACK BOARD, LED BOARD
(Page 14)
3-9.DVD MECHANISM DECK
(CDM81C-DVBU101)
(Page 18)
3-10.TRAY
(Page 19)
3-11.MOTOR BOARD
M761 (LD/ST MOTOR),
M762 (BU U/D MOTOR)
(Page 19)
3-12.BASE UNIT (DVBU101)
(Page 20)
3-13.OPTICAL PICK-UP
(KHM-310CAB)
(Page 20)
3-5.I/O BOARD, TUNER
(Page 15) 3-7.MAIN BOARD
(Page 16)
3-8.POWER BOARD
(Page 17)
3-6.SPEAKER BOARD,
D.C. FAN
(Page 15)
3-2.CASE, FRONT PANEL ASSY
(Page 13)
SET
3-14.GEAR (SUB TRAY 1),
GEAR (SUB TRAY 2)
(Page 21)
3-15.LEVER ASSY
(Page 21)
3-16.STOCKER SECTION
(Page 22) 3-19.ROTARY ENCODER (MD)
(Page 23)
3-17.CAM (STOCKER)
(Page 22) 3-20.GEAR (BU2)
(Page 24)
3-18.GEAR (STOCKER 3)
(Page 23)
Ver. 1.2
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Q
TEL 13942296513 QQ 376315150 892498299
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13
HCD-DX315
3-2. CASE, FRONT PANEL ASSY
Note: Follow the disassembly procedure in the numerical order given.
3
loading panel
4
two
screws
(CASE3 TP2)
7
case
qs
four screws (+BV3)
0
connector (CN3001)
6
five
screws
(+BVTP 3
×
8)
gear
tweezers
1
Insert tip of tweezers through the hole
of bottom plate, and roate the gear in
the counter-clockwise direction.
DVD lid
tape
2
Attach an adhesive tape on the DVD LID and draw it out.
8
sheet
9
w
ire (flat type)
23core (CN509)
qa
connector (CN312)
qd
claw
qd
claw
qf
front panel assy
5
two
screws
(CASE3 TP2)
When re-assembling, leave 30 mm between
harnesses A and B for safety.
harnesses A
harnesses B
clamp
30mm
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w
w
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4
2
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2
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2
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1
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Q
Q
TEL 13942296513 QQ 376315150 892498299
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14
HCD-DX315
3-4. JACK BOARD, LED BOARD
3-3. FL BOARD, SW BOARD
1
rivet
4
four
screws (+BVTP 2.6)
qs
two
screws (+BVTP 2.6)
6
three
screws (+BVTP 2.6)
9
wire (flat type)
23core (CN801)
7
connector (CN811)
q;
connector (CNP801)
8
connector (CN805)
2
six
claws
3
hold plate (FFC)
hold plate (FFC)
5
shield plate (FC)
qd
SW board
qa
FL board
qf
button (power)
When reassembling, route the
harness and flexible cable as
shown in the illustration.
4
JACK board
5
eight
screws (+BVTP 2.6)
6
LED board
7
button (disk),
indicator (disk)
9
button (disk)
q;
button (play)
3
screw (+BVTP 2.6)
1
knob (vol)
2
nut
8
five indicators (disk)
w
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3
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2
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2
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5
1
5
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3
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3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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15
HCD-DX315
3-6. SPEAKER BOARD, D.C. FAN
3-5. I/O BOARD,TUNER
3
tuner
1
two screws
(+BVTT 3
×
6)
2
wire (flat type)
9core
qa
I/O board
8
wire (flat type)
13core(CN201)
q;
Open the
back panel.
7
wire (flat type)
7core(CN202)
6
wire (flat type)
13core(CN311)
5
wire (flat type)
9core(CN203)
4
connector
(CN312)
9
eight
screws
(+BVTP 3
×
8)
3
D.C. fan
2
two
screws
(+BVTP 4
×
8)
8
two
screws
(+BVTT 3
×
8)
1
connector
(CN3000)
4
connector
(CN303)
5
connector
(CN302)
6
connector
(CN301)
7
two
screws
(+BV3)
9
SPEAKER board
screw
lead pin
When assembling,
clamp the three harnesses with
a lead pin or a similar tool so
that they do not touch this screw.
three harnesses
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Q
Q
TEL 13942296513 QQ 376315150 892498299
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16
HCD-DX315
3-7. MAIN BOARD
1
wire (flat type) 21core (CN508)
qf
wire (flat type) 23core (CN509)
wf
MAIN board
3
connector (CN1201)
7
connector
(CN303)
ws
eight screws (+BV 3)
When re-assembling, attaching the
two heat radiation sheets on the
IC MAIN board first, and then attach
the heat sink (AMP).
After twist the harness once,
install the connector .
POWER board
MAIN board
heatsink (AMP)
radiation
sheets
IC on the
MAIN board
2
wire (flat type) 13core (CN507)
4
wire (flat type) 24core (CN1101)
5
wire (flat type) 7core (CN1302)
wa
two radiation
sheets
6
wire (flat type) 13core (CN1301)
8
connector
(CN302)
9
connector
(CN301)
q;
connector (CN3000)
qa
connector (CN3001)
qs
connector
(CN3002)
qd
connector
(CN515)
qg
two screws (+BVTP 3
×
8)
wd
clamp
qj
HEATSINK B board
w;
heatsink (AMP)
qh
HEATSINK A board
ql
screw
(+BVTP 3
×
12)
qk
two
screws
(+BV 3)
When re-assembling, leave 30 mm between
harnesses A and B for safety.
screw
lead pin
When assembling,
clamp the three harnesses with
a lead pin or a similar tool so
that they do not touch this screw.
three harnesses
harnesses A
harnesses B
clamp
30mm
w
w
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.
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6
3
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2
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9
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2
2
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2
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5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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17
HCD-DX315
3-8. POWER BOARD
5
shield (H/L)
2
connector (CN3002)
3
connector (CN901)
1
connector (CN515)
4
two screws (+BV 3)
6
five screws (+PWH 3
×
8)
7
POWER board
After twist the harness once,
install the connector.
POWER board
MAIN board
When re-assembling, leave 30 mm between
harnesses A and B for safety.
harnesses A
harnesses B
clamp
30mm
w
w
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.
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1
6
3
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2
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2
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8
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3
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4
2
2
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6
5
1
3
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9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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18
HCD-DX315
3-9. DVD MECHANISM DECK (CDM81C-DVBU101)
4
MD COVER
3
four
screws (+BV 3)
2
Remove the harness and flexible cable.
flexible cable
harness
1
wire (flat type) 21core (CN508)
5
four
screws
(+BVTP 3
×
10)
6
DVD mechanism deck
(CDM81C-DVBU101)
w
w
w
.
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1
6
3
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1
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2
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4
2
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8
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3
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4
2
2
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6
5
1
3
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9
2
8
9
4
2
9
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0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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19
HCD-DX315
3-10. TRAY
1
two
screws
(+BTTP 2.6
)
2
two
screws
(+BTTP 2.6)
3
bracket
4
5
tray
1
screw
(+BTTP 2.6)
2
bracket
3
screw
(+BTTP 2.6)
4
MOTOR board
5
Remove soldering from the two points.
6
M761 (LD/ST MOTOR)
7
Remove soldering from the two points.
8
M762 (BU U/D MOTOR)
3-11. MOTOR BOARD M761 (LD/ST MOTOR), M762 (BU U/D MOTOR)
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w
w
.
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6
3
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1
5
1
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0
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9
2
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9
4
2
9
8
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1
3
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4
2
2
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6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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20
HCD-DX315
1
two floating
screws
(+PTPWH2.6)
2
floating
screw
(+PTPWH2.6)
3
base unit (DVBU101)
1
two
screws
(+BTP 2.6
×
8
)
2
two
screws
(+BTP 2.6
×
8
)
6
holder (310) assy
4
insulator
screw
7
insulator
screw
qd
optical pick-up
(KHM-310CAB)
5
0
insulator
qa
insulator
8
insulator
screw
qs
insulator
3
insulator
screw
9
insulator
3-12. BASE UNIT (DVBU101)
3-13. OPTICAL PICK-UP (KHM-310CAB)
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6
3
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1
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9
2
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9
4
2
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8
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1
3
9
4
2
2
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6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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