Read Sony HCD-VX550 / MHC-VX550 Service Manual online
2
CD OPTICAL DIGITAL OUT
(Square optical connector jack, rear panel)
Wavelength
(Square optical connector jack, rear panel)
Wavelength
660 nm
Output Level
–18 dBm
Tape player section
Recording system
4-track 2-channel stereo
Frequency response
40 - 13,000 Hz (±3 dB),
(DOLBY NR OFF)
using Sony TYPE I cassette
40-14,000 Hz (± 3 dB),
using Sony TYPE II cassette
40-14,000 Hz (± 3 dB),
using Sony TYPE II cassette
Tuner section
Fm stereo, FM/ AM superheterodyne tuner
FM tuner section
Tuning range
87.5-108.0 MHz
Antenna
FM lead antenna
Antenna terminals
75
Ω
unbalanced
Intermediate frequency 10.7 MHz
AM tuner section
Tuning range
2 Band type:
2 Band type:
531-1,602 kHz
(with the interval set at 9 kHz)
530-1,710 kHz
(with the interval set at 10 kHz)
(with the interval set at 9 kHz)
530-1,710 kHz
(with the interval set at 10 kHz)
3 Band type:
MW:
MW:
531-1,602 kHz
(with the interval set at 9 kHz)
530-1,710 kHz
(with the interval set at 10 kHz)
(with the interval set at 9 kHz)
530-1,710 kHz
(with the interval set at 10 kHz)
SW:
5.95-17.90 MHz
(with the interval set at 5 kHz)
(with the interval set at 5 kHz)
Antenna
AM loop antenna
Antenna terminals
External antenna terminal
Intermediate frequency 450 kHz
General
Power requirements
220 V AC, 50/ 60 Hz
Power consumption:
160 W
Dimensions (w/h/d)
Approx. 280
×
340
×
395 mm
Mass:
Approx. 10.0 kg
Design and specifications are subject to change without notice.
TABLE OF CONTENTS
1. SERVICING NOTES
·················································
3
2. GENERAL
.......................................................................... 5
3. DISASSEMBLY
................................................................ 8
4. TEST MODE
................................................................... 11
5. MECHANICAL ADJUSTMENTS
............................ 14
6. ELECTRICAL ADJUSTMENTS
DECK Section .................................................................. 14
CD Section ....................................................................... 17
VIDEO Section ................................................................. 17
CD Section ....................................................................... 17
VIDEO Section ................................................................. 17
7. DIAGRAMS
7-1.
Block Diagram
CD SERVO Section .......................................................... 18
AUDIO/VIDEO CD Section ............................................ 19
TAPE DECK Section ....................................................... 20
MAIN Section .................................................................. 21
DISPLAY/KEY CONTROL/
POWER SUPPLY Section ················································ 22
CD SERVO Section .......................................................... 18
AUDIO/VIDEO CD Section ............................................ 19
TAPE DECK Section ....................................................... 20
MAIN Section .................................................................. 21
DISPLAY/KEY CONTROL/
POWER SUPPLY Section ················································ 22
7-2.
Circuit Board Location ····················································· 23
7-3.
Printed Wiring Board BD Board .................................... 24
7-4.
Schematic Diagram BD Board ....................................... 25
7-5.
Schematic Diagram VIDEO Board (1/2) ........................ 26
7-6.
Schematic Diagram VIDEO Board (2/2) ........................ 27
7-7.
Printed Wiring Board VIDEO Board .............................. 28
7-8.
Printed Wiring Boards CD MOTOR Section ................. 30
7-9.
Schematic Diagram CD MOTOR Section ...................... 31
7-10. Printed Wiring Board AUDIO Board ............................. 32
7-11. Schematic Diagram AUDIO Board ................................ 33
7-12. Printed Wiring Board LEAF SW Board ......................... 34
7-13. Schematic Diagram LEAF SW Board ............................ 34
7-14. Printed Wiring Board MAIN Board ............................... 35
7-15. Schematic Diagram MAIN Board (1/4) ......................... 36
7-16. Schematic Diagram MAIN Board (2/4) ......................... 37
7-17. Schematic Diagram MAIN Board (3/4) ......................... 38
7-18. Schematic Diagram MAIN Board (4/4) ......................... 39
7-19. Printed Wiring Board PANEL Board ............................. 40
7-20. Schematic Diagram PANEL Board ................................ 41
7-21. Printed Wiring Board CD SW/5V POWER Board ........ 42
7-22. Schematic Diagram CD SW/5V POWER Board ........... 42
7-23. Printed Wiring Board TRANSFORMER Board ............ 43
7-24. Schematic Diagram TRANSFORMER Board ............... 43
7-25. Printed Wiring Board SURROUND Board .................... 44
7-26. Schematic Diagram SURROUND Board ....................... 44
7-27. IC Block Diagrams ........................................................... 45
7-28. IC Pin Function Description ............................................. 49
7-11. Schematic Diagram AUDIO Board ................................ 33
7-12. Printed Wiring Board LEAF SW Board ......................... 34
7-13. Schematic Diagram LEAF SW Board ............................ 34
7-14. Printed Wiring Board MAIN Board ............................... 35
7-15. Schematic Diagram MAIN Board (1/4) ......................... 36
7-16. Schematic Diagram MAIN Board (2/4) ......................... 37
7-17. Schematic Diagram MAIN Board (3/4) ......................... 38
7-18. Schematic Diagram MAIN Board (4/4) ......................... 39
7-19. Printed Wiring Board PANEL Board ............................. 40
7-20. Schematic Diagram PANEL Board ................................ 41
7-21. Printed Wiring Board CD SW/5V POWER Board ........ 42
7-22. Schematic Diagram CD SW/5V POWER Board ........... 42
7-23. Printed Wiring Board TRANSFORMER Board ............ 43
7-24. Schematic Diagram TRANSFORMER Board ............... 43
7-25. Printed Wiring Board SURROUND Board .................... 44
7-26. Schematic Diagram SURROUND Board ....................... 44
7-27. IC Block Diagrams ........................................................... 45
7-28. IC Pin Function Description ............................................. 49
8. EXPLODED VIEWS
..................................................... 60
9. ELECTRICAL PARTS LIST
..................................... 68
Click on the first or last page to see other HCD-VX550 / MHC-VX550 service manuals if exist.