HCD-D890AV, HCD-XB55AV, HCD-XB80AV, HCD-XB88AV, LBT-D890AV, LBT-XB55AV, LBT-XB80AV - Sony Audio Service Manual (repair manual). Page 4

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6-9. Printed Wiring Board – Main Section – .............................. 43
6-10. Schematic Diagram – Main (1/5) Section – ..................... 45
6-11. Schematic Diagram – Main (2/5) Section – ..................... 47
6-12. Schematic Diagram – Main (3/5) Section – ..................... 49
6-13. Schematic Diagram – Main (4/5) Section – ..................... 51
6-14. Schematic Diagram – Main (5/5) Section – ..................... 53
6-15. Printed Wiring Board – Deck Section – ........................... 55
6-16. Schematic Diagram – Deck Section – .............................. 57
6-17. Printed Wiring Board – Power Section – ......................... 59
6-18. Schematic Diagram – Power Section – ............................ 61
6-19. Schematic Diagram – Panel Section – ............................. 63
6-20. Printed Wiring Board – Panel Section – ........................... 65
6-21. Printed Wiring Board – TC/CD Panel-1 Section – ........... 67
6-22. Schematic Diagram – TC/CD Panel-1 Section – ............. 69
6-23. Schematic Diagram – HP/Mic Section – .......................... 71
6-24. Printed Wiring Board – HP/Mic Section – ....................... 73
6-25. Printed Wiring Board – CD Motor Section – ................... 75
6-26. Schematic Diagram – CD Motor Section – ...................... 77
6-27. Printed Wiring Board – Trans Section – ........................... 79
6-28. Schematic Diagram – Trans Section – ............................. 81
6-29. Printed Wiring Board – Surround Section – ..................... 83
6-30. Schematic Diagram – Surround Section – ....................... 84
6-31. IC Block Diagrams ........................................................... 85
6-32. IC Pin Functions ............................................................... 92

7-1. Case and Back Panel Section ............................................ 100
7-2. Front Panel Section 1 ........................................................ 101
7-3. Front Panel Section 2 ........................................................ 102
7-4. Chassis Section ................................................................. 103
7-5. TC Mechanism Section-1 (TCM-220WR2) ..................... 104
7-6. TC Mechanism Section-2 (TCM-220WR2) ..................... 105
7-7. TC Mechanism Section-3 (TCM-220WR2) ..................... 106
7-8. CD Mechanism Section

(CDM37L-5BD29AL/CMD37LH-5BD29AL) ................ 107

7-9. Base Unit Section (BU-5BD29AL) .................................. 108

...................................... 109

1 1/u 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

!∞ PTY button

(AEP, UK)

!§ STEREO/MONO button
!¶ Equalizer indicators
!• MIC LEVEL knob

!ª MIC jack
@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 WOOFER button

(XB80AV/XB88AV)

#º DBFB button (D890AV/XB55AV)

#¡ GEQ control buttons
#™ GEQ CONTROL button

#£ SUPER W MODE button

(XB80AV/XB88AV)

#¢ 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

$∞ 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

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

2-1. Front Panel ........................................................................... 6
2-2. Main Board ........................................................................... 6
2-3. Tape Mechanism Deck .......................................................... 7
2-4. Cassette Lid Assembly .......................................................... 7
2-5. CD Lid Assembly .................................................................. 8
2-6. CD Mechanism Deck ............................................................ 8
2-7. Base Unit .............................................................................. 8
2-8. Disc Table ............................................................................. 9

............................................................ 10

..........................

12

............................... 12

6-1. Circuit Boards Location ...................................................... 18
6-2. Brock Diagrams

• Tuner Section (AEP, UK model) ..................................... 19
• Tuner Section (East European, CIS model) ..................... 21
• CD Section ....................................................................... 23
• Deck Section .................................................................... 25
• Main Section .................................................................... 27
• Power Section .................................................................. 29

6-3. Printed Wiring Board – CD Section – ................................. 33
6-4. Schematic Diagram – CD Section – ................................... 35
6-5. Schematic Diagram

– Tuner Section – (AEP, UK model) ................................... 37

6-6. Printed Wiring Board

– Tuner Section – (AEP, UK model) ................................... 39

6-7. Printed Wiring Board

– Tuner Section – (East European, CIS model) .................. 40

6-8. Schematic Diagram

– Tuner Section – (East European, CIS model) .................. 41