Disassembly Procedures - Yamaha CDX-497 Service Manual

I DISASSEMBLY PROCEDURES
See REPLACEMENT PARTS LIST for item numbers.
Front Panel Ass'y
→ Open tray. (See "HOW TO MANUALLY
EJECT THE TRAY")
→ Unlock tray lid and close tray.
→ Remove CN42, CN52 and CN71.
→ Remove 2 screws. [52]
(Front panel ass'y to side frame)
→ Remove 4 screws. [51]
(Front panel ass'y to bottom frame)
→ Unlock front panel ass'y from frame
by releasing successively 2 snaps.
(2 on the side)
→ Remove front panel ass'y.
FRONT (3) P.C.B. [31 (3)]
(CDX-497 model)
→ Remove 1 screws. [54]
(P.C.B. to front panel ass'y)
→ Remove FRONT(3) P.C.B..
FRONT (1) P.C.B. [31 (1)]
→ Remove 1 screws. [53]
(P.C.B. to front panel ass'y)
→ Remove FRONT (1) P.C.B..
• Cable Connections
FRONT (2) P.C.B.
CN42
(FRONT (2) P.C.B.)
View A
Top Cabinet [25]
→ Remove 2 screws. [61] (2 on side)
→ Remove 4 screws. [60]
(4 on rear side)
→ Lift top cabinet from rear side to remove.
FRONT (4) P.C.B. [31 (4)]
→ Remove 2 screws. [53]
(P.C.B. to front panel ass'y)
→ Remove FRONT (4) P.C.B..
FRONT (5) P.C.B.
(R model)
CN41
(MAIN (1) P.C.B.)
FRONT (2) P.C.B.
CN43
(R model)
A
CN41
FRONT (4) P.C.B.
FRONT (3) P.C.B.
(CDX-497 model)
Mounting
Dismounting
CD Mechanism [38]
→ Open tray. (See "HOW TO MANUALLY
EJECT THE TRAY")
→ Unlock tray lid and close tray.
→ Remove CN21-23.
→ Remove 4 screws. [57]
(CD mechanism to bottom frame)
→ Remove CD mechanism.
FRONT (2) P.C.B. [31 (2)]
→ Remove CN41 (FRONT (2)
P.C.B.), CN41(MAIN P.C.B.)
and CN44.
→ Remove CN43. (R model)
(P.C.B. to rear panel)
→ Remove 1 screws. [56]
(P.C.B. to bottom frame)
→ Remove 3 screws. [55]
(P.C.B. to bottom frame)
CN44 CN23
CN21
CN22
FRONT (1) P.C.B.
Front Panel A'ssy
CDX-497/CDX-397
MAIN (2) P.C.B. [35 (2)]
→ Remove 1 screw. [59]
(P.C.B. to rear panel)
→ Remove MAIN (2) P.C.B.
which is connected directly
to the lower P.C.B. with
connectors.
MAIN (1) P.C.B. [35 (1)]
→ Remove CN21-23, CN41
(MAIN (1) P.C.B.) and CN44.
→ Remove 2 screws. [56]
(P.C.B. to bottom frame)
→ Remove 1 screw. [59]
(P.C.B. to rear panel)
→ Remove 3 screws (CDX-497),
2 screws (CDX-397). [58]
(P.C.B. to rear panel)
→ Remove MAIN (1) P.C.B..
FRONT (5) P.C.B. [31 (5)]
(R model)
→ Remove CN43.
→ Remove 2 screws. [53]
(P.C.B. to rear panel)
→ Remove FRONT (5) P.C.B..
CN71
CN52
CD Mechanism
11