DOWNLOAD Sony HCD-VX880AV Service Manual ↓ Size: 8.98 MB | Pages: 88 in PDF or view online for FREE

Model
HCD-VX880AV
Pages
88
Size
8.98 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-vx880av.pdf
Date

Sony HCD-VX880AV Service Manual ▷ View online

1
HCD-VX880AV
Chinese Model
SPECIFICATIONS
MINI Hi-Fi COMPONENT SYSTEM
— Continued on next page —
Model Name Using Similar Mechanism NEW
Mechanism Type
CDM38LH-26BD36L
Base Unit Type
BU-26BD36L
Optical Pick-up Type
KSS-213D/Q-NP
Model Name Using Similar Mechanism HTC-5550
Tape Transport Mechanism Type
TCM-230AWR2
CD
SECTION
MICROFILM
SERVICE MANUAL
HCD-VX880AV is the Amplifier,
Video CD player, Tape Deck and
Tuner section in MHC-VX880AV.
TAPE DECK
SECTION
2
SAFETY-RELATED COMPONENT WARNING !!
COMPONENTS IDENTIFIED BY MARK 
!
 OR DOTTED LINE
WITH MARK 
!
 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.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous ra-
diation exposure.
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 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.
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 PROD-
UCT MARKING is located on
the rear exterior.
3
7. EXPLODED VIEWS
7-1. Case Section ........................................................................ 63
7-2. Chassis Section ................................................................... 64
7-3. Front Panel Section ............................................................. 65
7-4. CD Mechanism Deck Section-1 (CDM38LH-26BD36L) .. 66
7-5. CD Mechanism Deck Section-2 (CDM38LH-26BD36L) .. 67
7-6. Base Unit Section (BU-26BD36L) ..................................... 68
7-7. TC Mechanism Section-1 (TCM230AWR2) ...................... 69
7-8. TC Mechanism Section-2 (TCM230AWR2) ...................... 70
8. ELECTRICAL PARTS LIST
....................................
71
TABLE OF CONTENTS
1. SERVICING NOTES
...................................................
4
2. GENERAL
..................................................................
10
3. DISASSEMBLY
3-1. Loading Panel ..................................................................... 12
3-2. Front Panel .......................................................................... 12
3-3. Cassette Lid and Tape Mechanism ...................................... 13
3-4. CD SW Board and Panel Board .......................................... 13
3-5. Disc Tray ............................................................................. 14
4. MECHANICAL ADJUSTMENTS
............................
15
5. ELECTRICAL ADJUSTMENTS
.............................
15
6. DIAGRAMS
6-1. Circuit Boards Location ...................................................... 20
6-2. Block Diagrams
• CD Section ....................................................................... 21
• Video Section ................................................................... 22
• Deck Section .................................................................... 23
• Main Section .................................................................... 24
• Power Section .................................................................. 25
• Display Section ................................................................ 26
6-3. Printed Wiring Board – BD Section – ................................. 28
6-4. Schematic Diagram – BD Section – ................................... 29
6-5. Schematic Diagram – Deck Section – ................................ 30
6-6. Printed Wiring Board – Deck Section – .............................. 31
6-7. Printed Wiring Board – Video Section – ............................. 32
6-8. Schematic Diagram – Video (1/2) Section – ....................... 33
6-9. Schematic Diagram – Video (2/2) Section – ....................... 34
6-10. Schematic Diagram – Main (1/4) Section – .................... 35
6-11. Schematic Diagram – Main (2/4) Section – .................... 36
6-12. Schematic Diagram – Main (3/4) Section – .................... 37
6-13. Schematic Diagram – Main (4/4) Section – .................... 38
6-14. Printed Wiring Board – Main Section – ........................... 39
6-15. Printed Wiring Board – Panel Section – .......................... 40
6-16. Schematic Diagram – Panel (1/2) Section – .................... 41
6-17. Schematic Diagram – Panel (2/2) Section – .................... 42
6-18. Printed Wiring Board – Leaf SW Section – ..................... 43
6-19. Schematic Diagram – Leaf SW Section – ....................... 43
6-20. Schematic Diagram – Surround Section – ....................... 44
6-21. Printed Wiring Board – Surround Section – .................... 44
6-22. Schematic Diagram – Power Section – ............................ 44
6-23. Printed Wiring Board – Power Section – ......................... 44
6-24. Schematic Diagram – Trans Section – ............................. 45
6-25. Printed Wiring Board – Trans Section – .......................... 45
6-26. Schematic Diagram – Front Amp Section – .................... 46
6-27. Printed Wiring Board – Front Amp Section – .................. 47
6-28. Schematic Diagram – CD Motor Section – ..................... 48
6-29. Printed Wiring Board – CD Motor Section – .................. 49
6-30. IC Block Diagrams .......................................................... 50
6-31. IC Pin Functions .............................................................. 52
4
SECTION 1
SERVICING NOTES
CD-TEXT
This unit is provided with a simple CD-TEXT display function.
The CD-TEXT contents of 20 tracks are displayed on the fluorescent display tube.
Since the function is simple, some special characters may not be displayed, or may be displayed as other characters.
HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH
TURNS OFF
Note for Installation (ROTARY ENCODER)
1
 
Remove the Case.
3
 
Pull-out the disc tray.
2
 
Turn the cam to the direction
     of arrow.
BU cam
Groove
Section A
Note:When attaching the Base unit, Insert the
         section A into the groove of BU cam.
Note:When attaching the BU cam,
         engage the Rotary encoder
         switch as shown in the figure.
Page of 88
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Sony HCD-VX880AV Service Manual ▷ Download

  • DOWNLOAD Sony HCD-VX880AV Service Manual ↓ Size: 8.98 MB | Pages: 88 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sony HCD-VX880AV in PDF for free, which will help you to disassemble, recover, fix and repair Sony HCD-VX880AV Audio. Information contained in Sony HCD-VX880AV Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.