DAV-DZ555K, DAV-DZ556KB, DAV-DZ750K, HCD-DZ555K, HCD-DZ556KB, HCD-DZ750K - Sony Audio Service Manual (repair manual). Page 7

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The following parts on the POWER board must be fixed by using the adhesive agent (such as Sony Bond Master) as it is specified by Safety
Regulations. When any part or printed circuit board is replaced during repair work, be sure to confirm that the following capacitors and resistors
are fixed by using the adhesive agent (such as Sony Bond Master) without fail.

POWER board : • C924 and R927 (refer to below fig.)

• C913 (Push down to C903 side and so fix.)
• C910 and C930 (refer to below fig.)
• EB905 side of C903
• EB905 side of C934
• C964 and C963 (refer to below fig.)
• Space between C933 and C932
• C908 and Q901 (Don’t touch IC901.)

OK:more than 3.5mm

NG:less than 3.5mm

OK:more than 8mm

NG:less than 8mm

OK:more than 8mm

NG:less than 8mm

Don't incline C924 to outside.

C910

C924

R927

C930

C964

C963 

Please take the above-mentioned position in the repair of MAIN board. 
In that case, it is necessary the following extension cable during CN304 on IO-S-OUT board and CN4302 on MAIN board.

jig P/N: J-2501-242-A
(pitch 1.00 mm/11p/length 300 mm)

CN304

jig

CN4302