HCD-GX450 (serv.man2) — Sony Audio Service Manual (repair manual)

Model
HCD-GX450 (serv.man2)
Pages
64
Size
6.62 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / SUPPLEMENT-2
File
hcd-gx450-sm2.pdf
Date

View Sony HCD-GX450 (serv.man2) Service Manual online

SERVICE MANUAL
US Model
Canadian Model
Ver. 1.2  2005.08
HCD-GX450
SUPPLEMENT-2
Subject: • Addition of ELECTRICAL ADJUSTMENTS
• Addition of new type models
Note:
The new type model can be identified from the old type model from the
location of the three printed circuit boards.
9-877-534-82
CONNECT board
TRANS board
GAME JACK board
Old type model
TRANS AC2 board
New type model
TRANS AC1 board
GAME JACK board
2
HCD-GX450
TABLE OF CONTENTS
1.
DISASSEMBLY
1-1.
Disassembly Flow ...........................................................
3
1-2.
Cover (Top) ......................................................................
4
1-3.
CD Door ..........................................................................
4
1-4.
Front Panel Section .........................................................
5
1-5.
CD Mechanism Deck (CDM74KF-K6BD81C) ..............
5
1-6.
Tape Mechanism Deck, GAME JACK Board .................
6
1-7.
PANEL Board ..................................................................
6
1-8.
Back Panel Section, SUB-TRANS Board .......................
7
1-9.
Power  Transformer .........................................................
7
1-10. MAIN Board ....................................................................
8
1-11. SUB-WOOFER Board ....................................................
8
1-12. AMP Board ......................................................................
9
1-13. BD Board .........................................................................
9
1-14. DRIVER Board, SW Board ............................................. 10
1-15. Optical Pick-up (KSM-213DCP/C2NP) ......................... 10
1-16. SENSOR Board ............................................................... 11
1-17. MOTOR (TB) Board ....................................................... 11
1-18. MOTOR (LD) Board ....................................................... 12
2.
TEST MODE
............................................................... 13
3.
ELECTRICAL ADJUSTEMENTS
....................... 16
4.
DIAGRAMS
4-1.
Block Diagram  – BD/DRIVER Section – ...................... 18
4-2.
Block Diagram  – AUDIO/VIDEO Section – ................. 19
4-3.
Block Diagram  – AMP Section – ................................... 20
4-4.
Block Diagram  – PANEL Section – ............................... 21
4-5.
Printed Wiring Board   – BD Section – ........................... 22
4-6.
Schematic Diagram  – BD Section – ............................... 23
4-7.
Printed Wiring Board   – CD MECHANISM Section – .. 24
4-8.
Schematic Diagram – CD MECHANISM Section – ...... 25
4-9.
Printed Wiring Board  – MAIN Section –
................... 26
4-10. Schematic Diagram  – MAIN Section (1/3) – ................. 27
4-11. Schematic Diagram  – MAIN Section (2/3) – ................. 28
4-12. Schematic Diagram  – MAIN Section (3/3) – ................. 29
4-13. Printed Wiring Board   – PANEL COMB Section – ....... 30
4-14. Schematic Diagram  – PANEL COMB Section – ........... 31
4-15. Printed Wiring Board   – SUB-WOOFER Section – ....... 32
4-16. Schematic Diagram  – SUB-WOOFER Section – .......... 33
4-17. Printed Wiring Board  – PANEL Section – ..................... 34
4-18. Schematic Diagram  – PANEL Section – ........................ 35
4-19. Printed Wiring Board  – TRANS Section – ..................... 36
4-20. Schematic Diagram  – TRANS Section – ....................... 37
4-21. Printed Wiring Board  – AMP Section – ......................... 38
4-22. Schematic Diagram  – AMP Section – ............................ 39
5.
EXPLODED VIEWS
5-1.
Main Section .................................................................... 48
5-2.
Front Panel Section ......................................................... 49
5-3.
MAIN Board Section ....................................................... 50
5-4.
CD Mechanism Deck Section-1
(CDM74KF-K6BD81C) .................................................. 51
5-5.
CD Mechanism Deck Section-2
(CDM74KF-K6BD81C) .................................................. 52
6.
ELECTRICAL PARTS LIST
.................................. 53
3
HCD-GX450
SECTION  1
DISASSEMBLY
1-1. DISASSEMBLY FLOW
This set can be disassembled in the order shown below.
1-2.
COVER (TOP)
(Page 4)
1-3.
CD DOOR
(Page 4)
1-4.FRONT PANEL SECTION
(Page 5)
1-9.POWER TRANSFORMER
(Page 7)
1-8.BACK PANEL SECTION,
SUB-TRANS BOARD
(Page 7)
1-5.CD MECHANISM DECK
(CDM74KF-K6BD81C)
 (Page 5)
1-15.OPTICAL PICK-UP
(KSM-213DCP/C2NP)
(Page 10)
1-6.TAPE MECHANISM DECK,
GAME JACK BOARD
(Page 6)
1-14.DRIVER BOARD,
SW BOARD
(Page 10)
1-17.MOTOR (TB) BOARD
(Page 11)
1-18.MOTOR (LD) BOARD
(Page 12)
1-16.SENSOR BOARD
(Page 11)
1-13.BD BOARD
(Page 9)
1-7.PANEL BOARD
(Page 6)
1-10.MAIN BOARD
(Page 8)
1-11.SUB-WOOFER BOARD
(Page 8)
1-12.AMP BOARD
(Page 9)
SET
4
HCD-GX450
1-3. CD DOOR
1-2. COVER (TOP)
Note:
Follow the disassembly procedure in the numerical order given.
5
cover (Side-R)
0
cover (Side-L)
qs
qs
qd
cover (top)
6
two screws (Case 3 TP2)
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.
1
 Turn the pulley to the direction of arrow.
3
 two claws
4
 CD door
pulley
Front panel side
CD mechanism deck (CDM74)
Page of 64

Download Sony HCD-GX450 (serv.man2) Service Manual (Repair Manual)

Here you can view online or download Sony HCD-GX450 (serv.man2) Service Manual in pdf. This Service Manual can help you recover, restore, fix, disassemble and repair Sony HCD-GX450 (serv.man2) Audio. Information contained in Sony HCD-GX450 (serv.man2) service manual (repair manual) typically includes:

  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).