HCD-XB8KW - Sony Audio Service Manual (repair manual). Page 4

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$

∞

Deck B P button

$§ CD SYNC button
$¶ H SPEED DUB button

$• Deck B 6 EJECT button
$ª 6 OPEN button
%º CD · button

%¡ CD p button
%™ CD P button

%£ DISC SKIP button
%¢ DISC1-DISC5 buttons
%

∞

NON-STOP button

%§ LOOP button
%¶ FLASH button

%• 1/ALL DISCS button
%ª PLAY MODE button
^º CD 0, ) button

^¡ REPEAT button
^™ EDIT button

^£

≠

 AMS 

±

 dial

^¢ ˜ button
^

∞

KEY CONTROL indicator

^§ # button

1 POWER button
2 REC button

3 t/CLOCK SET button
4 DAILY 1 button
5 DAILY 2 button

6 SLEEP button
7 DISPLAY/DEMO button

8 SPECTRUM ANALYZER button
9 Display Window
!º ENTER/NEXT button

!¡ TUNER MEMORY button
!™ TUNING MODE button

!£ TUNER/BAND button
!¢ TUNING (+/-) button
!

∞

ECHO LEVEL knob

!§ STEREO/MONO button
!¶ Equalizer indicators

!• MIC LEVEL knob
!ª MIC 1, MIC 2 jacks
@º DSP button

@¡ WAVE button
@™ PROLOGIC button

@£ KARAOKE PON/MPX button
@¢ P FILE MEMORY button

@

∞

PHONES jack

@§ EFFECT button
@¶ FUNCTION button

@• GROOVE button
@ª VOLUME control

#º SUPER TWEETER button
#¡ GEQ control buttons
#™ GEQ CONTROL button

#£ DBFB button
#¢ ENTER button

#

∞

Deck A  ª, · button

#§ Deck A p button
#¶ DIRECTION button

#• DOLBY NR button
#ª Deck A 0, ) button

$º Deck A 6 EJECT button
$¡ Deck B p button
$™ Deck B ª, · button

$£ Deck B 0, ) button
$¢ Deck B r REC button

.......................................................................... 4

2-1. Front Panel ........................................................................... 6
2-2. Main Board ........................................................................... 6

3-1. Circuit Boards Location ........................................................ 7
3-2. Block Diagrams

• KEY CON Section ............................................................. 8
• Main Section ...................................................................... 9
• Power Section .................................................................. 11

3-3. Schematic Diagram — Main Section (2/2) — .................... 13
3-4. Printed Wiring Board — Main Section — .......................... 17
3-5. Schematic Diagram — Main Section (1/2) — .................... 19
3-6. Schematic Diagram — Panel Section — ............................ 23
3-7. Printed Wiring Board — Panel Section — ......................... 27
3-8. Schematic Diagram — Power Section — ........................... 31
3-9. Printed Wiring Board — Power Section — ........................ 35
3-10. Printed Wiring Board — Sub Amp Section — ................. 38
3-11. Schematic Diagram — Sub Amp Section — ................... 41
3-12. Printed Wiring Board — KEY CON Section — .............. 44
3-13. Schematic Diagram — KEY CON Section — ................. 45
3-14. IC Block Diagrams ........................................................... 46
3-15. IC Pin Functions ............................................................... 49

4-1. Case and Back Panel Section .............................................. 52
4-2. Front Panel Section 1 .......................................................... 53
4-3. Front Panel Section 2 .......................................................... 54
4-4. Chassis Section ................................................................... 55

........................................ 56