DAV-DX150, DAV-DX170, DAV-DX250, HCD-DX150, HCD-DX170, HCD-DX250 - Sony Audio Service Manual (repair manual)

dav-dx150, dav-dx170, dav-dx250, hcd-dx150, hcd-dx170, hcd-dx250 service manual
Model
DAV-DX150 DAV-DX170 DAV-DX250 HCD-DX150 HCD-DX170 HCD-DX250
Pages
89
Size
11.01 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
dav-dx150-dav-dx170-dav-dx250-hcd-dx150-hcd-dx170-.pdf
Date

Read Sony DAV-DX150 / DAV-DX170 / DAV-DX250 / HCD-DX150 / HCD-DX170 / HCD-DX250 Service Manual online

SERVICE MANUAL
Sony Corporation
Audio Business Group
Published by Sony Techno Create Corporation
US Model
Canadian Model
HCD-DX150/DX170/DX250
E Model
Australian Model
HCD-DX150
DVD RECEIVER
9-879-398-08
2008A16-1
© 2008.01
Ver. 1.7  2008.01
HCD-DX150/DX170/
DX250
HCD-DX150/DX170/DX250 are the amplifier, DVD/
CD and tuner section in DAV-DX150/DX170/DX250.
Photo: HCD-DX150
— Continued on next page —
This system incorporates with Dolby* Digital and Dolby
Pro Logic (II) adaptive matrix surround decoder and the
DTS** Digital Surround System.
*    Manufactured under license from Dolby Laboratories.
      "Dolby", "Pro Logic" and the double-D symbol are
      trademarks of  Dolby Laboratories.
**  Manufactured under license from Digital Theater
      Systems, Inc. "DTS" and "DTS Digital Surround" are
      trademarks of Digital Theater  Systems, Inc.
SPECIFICATIONS
Model Name Using Similar Mechanism
NEW
Mechanism Type
CDM81C-DVBU101
Optical Pick-up Name
KHM-310CAB/C2NP
AUDIO POWER SPECIFICATIONS 
for the US model
POWER OUTPUT AND 
TOTAL HARMONIC 
DISTORTION:
With 3 ohm loads, both 
channels driven, from 
200 – 20,000 Hz; rated
55 watts per channel 
minimum RMS power, 
with no more than 0.7 % 
total harmonic distortion 
from 250 milli watts to 
rated output.
Amplifier section
North American model:
Surround mode (reference) music power output
Front: 133 W + 133 W 
(with SS-TS31)
Center*: 133 W
(with SS-CT31)
Surround*: 133 W + 133 
W
(with SS-TS31B)
Subwoofer*: 135 W
(with SS-WS31)
Other models:
Stereo mode (rated)
Surround mode (reference) music power output
DX150
55 W + 55 W (3 ohms at 1 
kHz, DIN)
Front: 133 W + 133 W 
(with SS-TS31)
Center*: 133 W
(with SS-CT31)
Surround*: 133 W + 133 
W
(with SS-TS31B)
Subwoofer*: 135 W
(with SS-WS31)
DX170
Surround mode (reference) music power output
Front: 143 W + 143 W
(with SS-TS31)
Center*: 143 W
(with SS-CT31)
Surround*: 143 W + 143 
W
(with SS-TS31B)
Subwoofer*: 285 W
(with SS-WS32)
Depending on the sound field settings and the source, 
there may be no sound output.
Inputs
VIDEO/SAT (AUDIO IN) Sensitivity: 250/450 mV
Phones
DX250
Surround mode (reference) music power output
Impedance: 50 kilohms
Accepts low-and high-
impedance headphones.
Front: 143 W + 143 W
(with SS-TS41)
Center*: 143 W
(with SS-CT31)
Surround*: 143 W + 143 
W
(with SS-TS31B)
Subwoofer*: 285 W
(with SS-WS32)
Central/South American models
Stereo mode (rated)
Surround mode (reference) music power output
55 W + 55 W (DIN)
Front: 120 W + 120 W 
Center*: 120 W
Surround*: 120 W + 120 
W
Subwoofer*: 120 W
2
HCD-DX150/DX170/DX250
MODEL IDENTIFICATION
– Rear Panel –
Model
Part No.
HCD-DX150   US
2-541-507-0[]
HCD-DX150   CND
2-541-507-1[]
HCD-DX150   AUS
2-541-507-2[]
HCD-DX150   MX
2-541-507-3[]
HCD-DX150   EA
2-541-507-4[]
HCD-DX150   E32
2-541-507-5[]
HCD-DX150   SP
2-541-507-6[]
HCD-DX170   US
2-588-786-0[]
HCD-DX170   CND
2-588-786-1[]
HCD-DX250   US
2-588-786-2[]
HCD-DX250   CND
2-588-786-3[]
• Abbreviation
AUS
: Australian model.
CND
: Canadian model.
E32
: 110 – 240 V AC Area in E model.
EA
: Saudi Arabia model.
MX
: Mexican model.
SP
: Singapore model.
FRONT R
FRONT L
SURR R
SURR L
CENTER
WOOFER
SPEAKER
Y
P
B
/C
B
P
R
/C
R
AUDIO IN
DVD ONLY
VIDEO
VIDEO
S
(DVD ONLY)
R
L
VIDEO/SAT
COMPONENT  VIDEO OUT
MONITOR OUT
COAXIAL
AM
FM 75
Part No.
Signal format system
North American, Latin, and Mexican models:
Other models:
Frequency response (at 2 CH STEREO mode)
Tuner section
System
FM tuner section
Tuning range 
North American models:
Other models:
Antenna (aerial)
Antenna (aerial) terminals
Intermediate frequency
AM tuner section
Tuning range 
North American, Latin, and Mexican models:
Middle eastern models: 
Other models: 
Antenna (aerial)
Intermediate frequency
Video section
Outputs
(CD: 
λ = 790 nm)
Emission duration: 
continuous
NTSC 
NTSC/PAL
DVD (PCM): 2 Hz to 22 
kHz (
±1.0 dB)
CD: 2 Hz to 20 kHz (
±1.0 
dB)
PLL quartz-locked digital 
synthesizer system
87.5 – 108.0 MHz 
(100 kHz step)
87.5 – 108.0 MHz 
(50 kHz step)
FM wire antenna (aerial)
75 ohms, unbalanced
10.7 MHz
530 – 1,710 kHz (with the 
interval set at 10 kHz)
531 – 1,710 kHz (with the 
interval set at 9 kHz)
531 – 1,602 kHz (with the 
interval set at 9 kHz)
530 – 1,710 kHz (with the 
interval set at 10 kHz)
531 – 1,602 kHz (with the 
interval set at 9 kHz)
AM loop antenna (aerial)
450 kHz
Video: 1 Vp-p 75 ohms
S video:
Y: 1 Vp-p 75 ohms
C: 0.286 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 
North American and Mexican models:
Other models:
Power consumption
120 V AC, 60 Hz
220 – 240 V AC, 50/60 Hz
On: 145 W (DAV-DX150)
On: 160 W (DAV-DX170/DX250)
Dimensions (approx.)
Mass (approx.)
Standby: 0.3 W (at the 
Power Saving Mode) 
430 
× 88 × 415 mm
(17 
× 3 
1
/
2
 
× 16 
3
/
8
 inches) 
(w/h/d) incl. projecting 
parts
4.9 kg (10 lb 13 oz) (DAV-DX150)
5.0 kg (11 lb 1 oz) (DAV-DX170/DX250)
Design and specifications are subject to change 
without notice.
DVD system
Laser
Semiconductor laser
(DVD: 
λ = 650 nm)
Central/South American models:
110 – 240 V AC, 50/60 Hz
3
HCD-DX150/DX170/DX250
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radiation
exposure.
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.
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 for AC 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. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers’ instructions to use these
instruments.
2. A battery-operated AC 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 or battery-operated AC voltmeter. The “limit” indication
is 0.75 V, so analog meters must have an accurate low-voltage
scale. The Simpson 250 and Sanwa SH-63Trd are examples
of a passive VOM that is suitable. Nearly all battery operated
digital multimeters that have a 2 V AC range are suitable.  (See
Fig. A)
Fig. A.
Using an AC voltmeter to check AC leakage.
1.5 k
0.15 
µ
F
AC
voltmeter
(0.75 V)
To Exposed Metal
Parts on Set
Earth Ground
SAFETY-RELATED  COMPONENT  WARNING!!
COMPONENTS  IDENTIFIED  BY  MARK  
0
  OR  DOTTED  LINE
WITH  MARK  
0
  ON  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  
0
 SUR
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.
Laser component in this product is capable of emitting radiation
exceeding the limit for Class 1.
This appliance is classified as
a CLASS 1 LASER product.
The CLASS 1 LASER
PRODUCT MARKING is
located on the rear exterior.
4
HCD-DX150/DX170/DX250
TABLE OF CONTENTS
1.
SERVICING NOTE
...................................................
5
2.
GENERAL
...................................................................
8
3.
DISASSEMBLY
3-1.
Disassembly Flow ........................................................... 10
3-2.
Case, Front Panel Assy .................................................... 11
3-3.
FL Board, H/P Board ....................................................... 12
3-4.
STBY Board, LED Board, KEY Board .......................... 12
3-5.
IO Board, DC Fan ........................................................... 13
3-6.
DMB10 Board ................................................................. 13
3-7.
MAIN Board .................................................................... 14
3-8.
MD COVER .................................................................... 14
3-9.
DVD Mechanism Deck (CDM81C-DVBU101) .............  15
3-10. Tray .................................................................................. 16
3-11. MOTOR Board, M761 (LD/ST MOTOR),
M762 (BU U/D MOTOR) ............................................... 16
3-12. Base Unit (DVBU101) .................................................... 17
3-13. Optical Pick-up (KHM-310CAB/C2NP) ........................ 17
3-14. Gear (Sub Tray 1), Gear (Sub Tray 2) ............................. 18
3-15. Lever Assy ....................................................................... 18
3-16. Stocker Section ................................................................ 19
3-17. Cam (Stocker) .................................................................. 19
3-18. Gear (Stocker 3) .............................................................. 20
3-19. Rotary Encoder (MD) ...................................................... 20
3-20. Gear (BU2) ...................................................................... 21
4.
TEST MODE
............................................................... 22
5.
DIAGRAMS
5-1.
Block Diagram  – RF/SERVO Section – ......................... 28
– VIDEO Section – .......................................................... 29
– AMP Section – .............................................................. 30
– AUDIO Section – .......................................................... 31
– POWER Section – ........................................................ 32
5-2.
Printed Wiring Board – DVD Mechanism Section – ...... 33
5-3.
Schematic Diagram  – DVD Mechanism Section – ........ 34
5-4.
Printed Wiring Board  – DMB10 Section (Side A) – ...... 35
5-5.
Printed Wiring Board  – DMB10 Section (Side B) – ...... 36
5-6.
Schematic Diagram  – DMB10 Section (1/4) – .............. 37
5-7.
Schematic Diagram  – DMB10 Section (2/4) – .............. 38
5-8.
Schematic Diagram  – DMB10 Section (3/4) – .............. 39
5-9.
Schematic Diagram  – DMB10 Section (4/4) – .............. 40
5-10. Printed Wiring Board – MAIN Section (Side A) – ......... 41
5-11. Printed Wiring Board – MAIN Section (Side B) – ......... 42
5-12. Schematic Diagram  – MAIN Section (1/7) – ................. 43
5-13. Schematic Diagram  – MAIN Section (2/7) – ................. 44
5-14. Schematic Diagram  – MAIN Section (3/7) – ................. 45
5-15. Schematic Diagram  – MAIN Section (4/7) – ................. 46
5-16. Schematic Diagram  – MAIN Section (5/7) – ................. 47
5-17. Schematic Diagram  – MAIN Section (6/7) – ................. 48
5-18. Schematic Diagram  – MAIN Section (7/7) – ................. 49
5-19. Printed Wiring Board – PANEL Section – ...................... 50
5-20. Schematic Diagram  – PANEL Section – ........................ 51
5-21. Printed Wiring Board – IO Section – .............................. 52
5-22. Schematic Diagram  – IO Section – ................................ 53
6.
EXPLODED VIEWS
6-1.
Overall Section ................................................................ 66
6-2.
Front Panel Section ......................................................... 67
6-3.
Chassis Section ................................................................ 68
6-4.
DVD Mechanism Deck Section-1
(CDM81C-DVBU101) .................................................... 69
6-5.
DVD Mechanism Deck Section-2
(CDM81C-DVBU101) .................................................... 70
6-6.
DVD Mechanism Deck Section-3
(CDM81C-DVBU101) .................................................... 71
6-7.
Base Unit (DVBU101) .................................................... 72
7.
ELECTRICAL PARTS LIST
.................................. 73
Ver. 1.7
Ref. No.
Type1
Type2
Wiring Board
Location
R577
1-216-821-11
METAL CHIP      1K         5%     1/10W (DX150)
no mount (DX150)
H-3
1-216-841-11
METAL CHIP      47K       5%     1/10W (DX170)
1-216-837-11
METAL CHIP      22K       5%     1/10W (DX170)
R793
no mount (DX150)
1-216-829-11
METAL CHIP      4.7K      5%     1/10W (DX150)
H-2
• FUSE (F901) on MAIN board has been changed from the middle of production.
When repairing, please confirm the type of  FUSE (F901) by indication on the end cap and use same type.
CAP 1
CAP 2
Indication on the end cap
FUSE (F901)
Part number
CAP1
CAP2
TYPE A
1-576-537-12
8A / 125V
51MS
TYPE B
1-533-311-12
LF.8A / 125V
233
S A
P
P S
E
U
L
S A
P S
E
U
L
Note on replacement of parts on MAIN board
• R577 and R793 on MAIN board are different by type of DMB board used in this model.
When repairing, please confirm the type of DMB board at the beginning and use the parts corresponded to the table below.
Type1 :  DMB10 board
Type2 :  DMB11 board
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