Sony HCD-GX45 / HCD-RG440 / MHC-GX45 / MHC-RG440S Service Manual ▷ View online
4
TABLE OF CONTENTS
HCD-GX45/RG440
1. GENERAL
Main Unit ................................................................................ 5
Remote Control ....................................................................... 5
Remote Control ....................................................................... 5
2. DISASSEMBLY
2-1. Case (Top) ........................................................................... 7
2-2. CD Door .............................................................................. 7
2-3. CD Mechanism Block ......................................................... 8
2-4. Front Panel Section ............................................................. 9
2-5. Tape Mechanism Deck ...................................................... 10
2-6. Panel Board, 6 Stream Led Board, Remote Board ............ 10
2-7. Game Jack Board, H/P Jack Board ................................... 11
2-8. Back Panel Section ............................................................ 11
2-9. Main Board ....................................................................... 12
2-10. Power Amp Board, Subwoofer Board ............................... 12
2-11. SW Board, Driver Board ................................................... 13
2-12. CD Block Assy .................................................................. 13
2-13. Sensor Board ..................................................................... 14
2-14. Motor (TB) Board ............................................................. 14
2-15. Motor (LD) Board ............................................................. 15
2-16. BD Board .......................................................................... 15
2-17. Optical Pick-up ................................................................. 16
2-2. CD Door .............................................................................. 7
2-3. CD Mechanism Block ......................................................... 8
2-4. Front Panel Section ............................................................. 9
2-5. Tape Mechanism Deck ...................................................... 10
2-6. Panel Board, 6 Stream Led Board, Remote Board ............ 10
2-7. Game Jack Board, H/P Jack Board ................................... 11
2-8. Back Panel Section ............................................................ 11
2-9. Main Board ....................................................................... 12
2-10. Power Amp Board, Subwoofer Board ............................... 12
2-11. SW Board, Driver Board ................................................... 13
2-12. CD Block Assy .................................................................. 13
2-13. Sensor Board ..................................................................... 14
2-14. Motor (TB) Board ............................................................. 14
2-15. Motor (LD) Board ............................................................. 15
2-16. BD Board .......................................................................... 15
2-17. Optical Pick-up ................................................................. 16
3. TEST MODE
..................................................................... 17
4. ELECTRICAL ADJUSTMENTS
................................. 20
5. DIAGRAMS
5-1. IC Pin Descriptions ........................................................... 21
5-2. Block Diagram –CD Section– ........................................... 25
5-3. Block Diagram –Tuner/Tape/Panel Section– .................... 26
5-4. Block Diagram –Amp/Power Supply Section– ................. 27
5-5. Block Diagram –Sub Woofer Section– ............................. 28
5-6. Note for Printed Wiring Boards
5-2. Block Diagram –CD Section– ........................................... 25
5-3. Block Diagram –Tuner/Tape/Panel Section– .................... 26
5-4. Block Diagram –Amp/Power Supply Section– ................. 27
5-5. Block Diagram –Sub Woofer Section– ............................. 28
5-6. Note for Printed Wiring Boards
and Schematic Diagrams .................................................. 29
5-7. Waveforms ......................................................................... 29
5-8. Circuit Boards Location .................................................... 29
5-9. Printed Wiring Board –CD Mechanism Section (1/2)– .... 30
5-10. Schematic Diagram –CD Mechanism Section (1/2)– ....... 31
5-11. Printed Wiring Boards –CD Mechanism Section (2/2)– ... 32
5-12. Schematic Diagram –CD Mechanism Section (2/2)– ....... 33
5-13. Schematic Diagram –Main Section (1/4)– ........................ 34
5-14. Schematic Diagram –Main Section (2/4)– ........................ 35
5-15. Schematic Diagram –Main Section (3/4)– ........................ 36
5-16. Schematic Diagram –Main Section (4/4)– ........................ 37
5-17. Printed Wiring Board –Main Section– .............................. 38
5-18. Printed Wiring Boards and Schematic Diagram
5-9. Printed Wiring Board –CD Mechanism Section (1/2)– .... 30
5-10. Schematic Diagram –CD Mechanism Section (1/2)– ....... 31
5-11. Printed Wiring Boards –CD Mechanism Section (2/2)– ... 32
5-12. Schematic Diagram –CD Mechanism Section (2/2)– ....... 33
5-13. Schematic Diagram –Main Section (1/4)– ........................ 34
5-14. Schematic Diagram –Main Section (2/4)– ........................ 35
5-15. Schematic Diagram –Main Section (3/4)– ........................ 36
5-16. Schematic Diagram –Main Section (4/4)– ........................ 37
5-17. Printed Wiring Board –Main Section– .............................. 38
5-18. Printed Wiring Boards and Schematic Diagram
–Jack Section– ................................................................... 39
5-19. Printed Wiring Boards –Panel Section– ............................ 40
5-20. Schematic Diagram –Panel Section– ................................ 41
5-21. Printed Wiring Board –Sub Woofer Section– ................... 42
5-22. Schematic Diagram –Sub Woofer Section– ...................... 43
5-23. Schematic Diagram –Power Amp Section (1/2)– ............. 44
5-24. Schematic Diagram –Power Amp Section (2/2)– ............. 45
5-25. Printed Wiring Board –Power Amp Section– ................... 46
5-26. Printed Wiring Board
5-20. Schematic Diagram –Panel Section– ................................ 41
5-21. Printed Wiring Board –Sub Woofer Section– ................... 42
5-22. Schematic Diagram –Sub Woofer Section– ...................... 43
5-23. Schematic Diagram –Power Amp Section (1/2)– ............. 44
5-24. Schematic Diagram –Power Amp Section (2/2)– ............. 45
5-25. Printed Wiring Board –Power Amp Section– ................... 46
5-26. Printed Wiring Board
–Transformer Section– ...................................................... 47
5-27. Schematic Diagram –Transformer Section– ..................... 48
5-28. IC Block Diagrams ............................................................ 49
5-28. IC Block Diagrams ............................................................ 49
6. EXPLODED VIEWS
6-1. Main Section ..................................................................... 52
6-2. Front Panel Section (1) ...................................................... 53
6-3. Front Panel Section (2) ...................................................... 54
6-4. Front Panel Section (3) ...................................................... 55
6-5. Main Board Section .......................................................... 56
6-6. CD Mechanism Deck Section (1) ..................................... 57
6-7. CD Mechanism Deck Section (2) ..................................... 58
6-8. Base Unit Section .............................................................. 59
6-2. Front Panel Section (1) ...................................................... 53
6-3. Front Panel Section (2) ...................................................... 54
6-4. Front Panel Section (3) ...................................................... 55
6-5. Main Board Section .......................................................... 56
6-6. CD Mechanism Deck Section (1) ..................................... 57
6-7. CD Mechanism Deck Section (2) ..................................... 58
6-8. Base Unit Section .............................................................. 59
7. ELECTRICAL PARTS LIST
........................................ 60
MODEL IDENTIFICATION
– BACK PANEL –
MODEL
PARTS No.
GX45: US, CND
4-244-697-31
RG440: AEP, UK, AUS
4-244-697-41
• Abbreviation
CND : Canadian model
AUS : Australian model
AUS : Australian model
PARTS No.
5
HCD-GX45/RG440
SECTION 1
GENERAL
This section is extracted
from instruction manual.
from instruction manual.
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HCD-GX45/RG440
SECTION 2
DISASSEMBLY
Note : Disassemble the unit in the order as shown below.
2-1.
CASE (TOP)
(Page 7)
(Page 7)
2-2.
CD DOOR
(Page 7)
(Page 7)
SET
2-3.
CD MECHANISM BLOCK
(Page 8)
(Page 8)
2-8.
BACK PANEL SECTION
(Page 11)
(Page 11)
2-9.
MAIN BOARD
(Page 12)
(Page 12)
2-12. CD BLOCK ASSY
(Page 13)
2-16. BD BOARD
(Page 15)
2-10. POWER AMP BOARD,
SUBWOOFER BOARD
(Page 12)
(Page 12)
2-4.
FRONT PANEL SECTION
(Page 9)
(Page 9)
2-5.
TAPE MECHANISM DECK
(Page 10)
(Page 10)
2-6.
PANEL BOARD,
6 STREAM LED BOARD,
REMOTE BOARD
(Page 10)
6 STREAM LED BOARD,
REMOTE BOARD
(Page 10)
2-13. SENSOR BOARD
(Page 14)
2-14. MOTOR (TB) BOARD
(Page 14)
2-15. MOTOR (LD) BOARD
(Page 15)
2-11. SW BOARD,
DRIVER BOARD
(Page 13)
(Page 13)
2-7.
GAME JACK BOARD,
H/P JACK BOARD
(Page 11)
H/P JACK BOARD
(Page 11)
2-17. OPTICAL PICK-UP
(Page 16)
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HCD-GX45/RG440
2-2. CD DOOR
Note : Follow the disassembly procedure in the numerical order given.
2-1. CASE (TOP)
case (side-R)
case (side-L)
5
qd
qs
qs
qs
qs
q;
6
two screws (case 3 TP2)
qf
case (top)
8
screw
(+BVTP 3
×
10)
3
screw
(+BVTP 3
×
10)
9
screw
(+BVTP 3
×
10)
4
screw
(+BVTP 3
×
10)
1
two screws
(case 3 TP2)
qa
two screws (+BVTP 3
×
10)
7
screw (case 3 TP2)
2
screw (case 3 TP2)
2
Pull-out the disc tray.
4
CD door
1
Turn the pulley to the direction of the arrow.
pulley
Front panel side
CD mechanism deck (CDM74F-K6BD71B)
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