Sony HCD-VR90AV Service Manual ▷ View online
5
SECTION 1
GENERAL
Location of Parts and Controls
1 1/u (Power) button
2 POWER SAVE/DEMO (STANDBY)
button
3 DISPLAY button
4 SPECTRUM ANALYZER button
5 Display window
6 GEQ control button
7 SYNC BASS button
8 SYNC EQ button
9 Remote sensor
0 TUNING MODE button
!¡ STEREO/MONO button
!™ ENTER/NEXT button
!£ TUNER MEMORY button
!¢ TUNER/BAND button
!∞ TUNING - button
!§ TUNING + button
!¶ FUNCTION button
!• VOLUME knob
!ª PHONES jack
@º ECHO LEVEL knob
@¡ MIC LEVEL knob
@™ MIC 1 jack
@£ MIC 2 jack
@¢ GROOVE button
@∞ SUPER WOOFER button
@§ MODE button
4 SPECTRUM ANALYZER button
5 Display window
6 GEQ control button
7 SYNC BASS button
8 SYNC EQ button
9 Remote sensor
0 TUNING MODE button
!¡ STEREO/MONO button
!™ ENTER/NEXT button
!£ TUNER MEMORY button
!¢ TUNER/BAND button
!∞ TUNING - button
!§ TUNING + button
!¶ FUNCTION button
!• VOLUME knob
!ª PHONES jack
@º ECHO LEVEL knob
@¡ MIC LEVEL knob
@™ MIC 1 jack
@£ MIC 2 jack
@¢ GROOVE button
@∞ SUPER WOOFER button
@§ MODE button
@¶ ª (B Deck) button and indicator
@• · (B Deck) button and indicator
@ª p (B Deck) button
#º 0 (B Deck) button
#¡ ) (B Deck) button
#™ P (B Deck) button
#£ r REC (B Deck) button
#¢ HI-SPEED DUB button
#∞ CD SYNCHRO button
#§ PLAY MODE button
#¶ REPEAT button
#• 0 (CD) button
#∞ CD SYNCHRO button
#§ PLAY MODE button
#¶ REPEAT button
#• 0 (CD) button
#ª ) (CD) button
$º ·P (CD) button and indicator
$¡ p (CD) button
$™ DISC SKIP button
$£ = AMS + knob
$£ = AMS + knob
$¢ VIDEO2 INPUT jacks
$∞ PRO LOGIC button and indicator
$§ DVD 5.1 CH
$¶ KEY CONTROL # button
$• KEY CONTROL b button
$ª EDIT button
%º NON-STOP button and indicator
%¡ FLASH button
%™ LOOP button
%£ NEXT button
$∞ PRO LOGIC button and indicator
$§ DVD 5.1 CH
$¶ KEY CONTROL # button
$• KEY CONTROL b button
$ª EDIT button
%º NON-STOP button and indicator
%¡ FLASH button
%™ LOOP button
%£ NEXT button
%¢ PREV button
%∞ RETURN button
%§ DISC 5 button
%¶ DISC 4 button
%• DISC 3 button
%ª DISC 2 button
^º DISC 1 button
^¡ SELECT button
^™ ACTIVE button
^£ DOLBY NR button
^¢ DIRECTION button
^∞ ) (A Deck) button
%∞ RETURN button
%§ DISC 5 button
%¶ DISC 4 button
%• DISC 3 button
%ª DISC 2 button
^º DISC 1 button
^¡ SELECT button
^™ ACTIVE button
^£ DOLBY NR button
^¢ DIRECTION button
^∞ ) (A Deck) button
^§ 0 (A Deck) button
^¶ p (A Deck) button
^• · (A Deck) button
^ª ª (A Deck) button
&º KARAOKE PON/MPX button
&¡ DSP button and indicator
&™ EFFECT button and indicator
&£ ENTER button and indicator
&¢ GEQ CONTROL button
&∞ P. FILE MEMORY
&§ Equalizer indicators
&¶ t/CLOCK SET button
&¡ DSP button and indicator
&™ EFFECT button and indicator
&£ ENTER button and indicator
&¢ GEQ CONTROL button
&∞ P. FILE MEMORY
&§ Equalizer indicators
&¶ t/CLOCK SET button
&• SLEEP button
&ª REC button and indicator
*º DAILY button and indicator
&ª REC button and indicator
*º DAILY button and indicator
• AMS is the abbreviation for Automatic
Music Sensor.
Front Panel
234
1
@•
#¡
#º
@ª
@¶
#ª
#•
^£
^¢
&º
&¡
&™
&£
&¢
&∞
^∞
^§
^¶
^•
^ª
#™
#£
#¢
#∞
$º
$™
$¢
$£
#¶
#§
$∞
$§
$¶
$•
$ª
%º
%¡
%£
%™
%∞
%¢
%§
%•
^º
^™
&¶
%¶
&•
&ª
*º
%ª
^¡
$¡
@¡
!•
@¢
@∞
@∞
@§
@º
!ª
!¶
9
!§
@™
@£
!∞
5
6
7 8
0!¡
!£
!™
!¢
&§
6
This section is extracted
from instruction manual.
from instruction manual.
7
SECTION 2
DISASSEMBLY
Note :
Follow the disassembly procedure in the numerical order given.
2-1. FRONT PANEL
2-2. MAIN BOARD
1
Three flat type wires
(CN303,CN304,CN431)
2
Connector (CN702)
3
Connector (CN452)
4
Connector (CN802)
7
Front panel
5
Screw (BVTP 3x8)
6
Four screw (BVTP 3x8)
4
Connector (CN412)
5
Flat type wire (CN411)
1
Flat type wire (CN1)
3
Tuner unit
2
Two screws (BVTP 3x8)
7
Seven screws (BVTP 3x8)
!¡
Fan motor
!™
Power cord
!£
Back panel
8
Five screws (BVTP 3x8)
6
Connector (CN903)
!§
Main board
!¢
Two screws (BVTP 3x8)
0
Two screws (BVTP 3x8)
9
Four screws (BVTP 3x8)
8
2-3. SUB PANEL
2-4. CD-L/CD-R BOARD AND CD LID ASSEMBLY
3
Open the CD lid assembly
8
Sub panel block
4
Two screws (BTP 2.6x6)
1
Two screws (BVTP 2.6x8)
6
Two screws (BVTP 2.6x8)
7
Three screws (BVTP 2.6x8)
5
Screw (BVTP 3x8)
2
Front input board
9
Two screws (BVTP 2.6x8)
0
Bracket (CD-R2)
!£
CD lid assembly
1
Three screws (BVTP 2.6x8)
7
Three screws
(BVTP 2.6x8)
8
Two screws (BVTP 2.6x8)
9
Bracket (CD-R)
0
CD-R board
2
Three screws
(BVTP 2.6x8)
3
Bracket (CD-L)
4
CD-L board
!™
Torsion spring (CD-L)
Torsion spring (CD-L)
Sub panel assembly
Sub panel assembly
CD lid assembly
5
Knob (CD)
6
Nut
!¡
Torsion spring (CD-R)
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