you are doing great job guys.....my father ask me to find out the schematics of Sony KV25R1D to sort out the problem ..(he was electrical technician, and excperianced with TV and simillar stuff). finally he found the cause and change all necessary parts....now he has got working old dog..and is very happy!!... thank you all.. NB..he also saved the repair cost.
Item as described, very well detailed manual with complete schematics. I've received the download information shortly after payment, very good support.
Good product and very helpfull to repair. Many thanks.
Text excerpt from page 1 (click to view)
CH-PK621
SERVICE MANUAL
CD CHANGER SYSTEM
03 2003 49823
CH-PK621
7
8
OM
9
10
11
PT R
12
ND R
MODE
SCM
KS-FX621 CD changer control receiver
Area Suffix
U ------------------Other Areas
CH-X 46 0
COM PA CT D ISC
C AN H GER
12
CH-X460 CD changer
This model is combination of the CH-X460,CD Changer and the KS-FX621. CD changer control receiver in one packing. Please refer to the service manual of CH-X460_U (No.49697)and KS-FX621_U (No.49825) for items other than this packing.