DOWNLOAD Sony DAV-DX155 / DAV-DX255 / HCD-DX155 / HCD-DX255 Service Manual ↓ Size: 10.15 MB | Pages: 92 in PDF or view online for FREE

Model
DAV-DX155 DAV-DX255 HCD-DX155 HCD-DX255
Pages
92
Size
10.15 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
dav-dx155-dav-dx255-hcd-dx155-hcd-dx255.pdf
Date

Sony DAV-DX155 / DAV-DX255 / HCD-DX155 / HCD-DX255 Service Manual ▷ View online

9
HCD-DX155/DX255
Front panel display
About the indications in the front panel display
A
Lights up when the time information of 
a title or chapter appears in the front 
panel display. (DVD only) (45)
B
Lights up when the color system is set 
to NTSC. (Asian, Australian, and Middle 
Eastern models only) (17)
C
Lights up when a station is received. 
(Radio only) (58)
D
Monaural/Stereo effect (Radio only) 
(58)
E
Lights up when the sleep timer is set.  
(62)
F
Lights up when the music or movie 
mode is selected. (Except for JPEG) 
(32)
G
Playing status (DVD function only)
H
Lights up when the DYNAMIC BASS is 
selected. (61)
I
Lights up when CD is loaded.
J
Lights up when the system outputs 
progressive signals (DVD function 
only). (25)
K
Indicates the selected [SPEAKER 
FORMATION]. (66)
L
Current surround format (Except for 
JPEG)
M
Displays system’s status such as 
chapter, title, or track number, time 
information, radio frequency, playing 
status, sound field, etc.
10
HCD-DX155/DX255
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 +/– 0 qs (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/c  qd(19, 22, 31, 36, 57, 
63)
 REPLAY/
ADVANCE 9 (29)
./> es wk (29)
m/M qs 0 (35)
SLOW qs 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)
O RETURN ed (37)
-/-- ef (60)
* The H, 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
11
HCD-DX155/DX255
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 13)
3-4.JACK BOARD, LED BOARD
(Page 13)
3-9.DVD MECHANISM DECK
(CDM81C-DVBU101)
(Page 17)
3-10.TRAY
(Page 18)
3-11.MOTOR BOARD
                  M761 (LD/ST MOTOR),
                  M762 (BU U/D MOTOR)
          (Page 18)
3-12.BASE UNIT (DVBU101)
(Page 19)
3-13.OPTICAL PICK-UP
           (KHM-310CAB)
(Page 19)
3-5.I/O BOARD, TUNER
(Page 14)
3-7.MAIN BOARD
(Page 15)
3-8.POWER BOARD
(Page 16)
3-6.SPEAKER BOARD,
D.C. FAN
(Page 14)
3-2.CASE, FRONT PANEL ASSY
(Page 12)
SET
3-14.GEAR (SUB TRAY 1), 
GEAR (SUB TRAY 2)
(Page 20)
3-15.LEVER ASSY
(Page 20)
3-16.STOCKER SECTION
(Page 21)
3-19.ROTARY ENCODER (MD)
(Page 22)
3-17.CAM (STOCKER)
(Page 21)
3-20.GEAR (BU2)
(Page 23)
3-18.GEAR (STOCKER 3)
(Page 22)
Ver. 1.4
12
HCD-DX155/DX255
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
wire (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
Page of 92
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