BMZ-K7D, CX-BK7 - Sony Audio Service Manual (repair manual). Page 7

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• In checking the DVD mechanism deck section, prepare two extension jigs (Part No. J-2501-103-A: 1mm Pitch, 29 cores, Length

300mm/Part No. J-2501-248-A: 1mm Pitch, 27 cores, Length 300mm).

The DVD mechanism deck of this model is a vertical type and putting it vertically as shown in the figure is the standard position.
When checking signals such as RF waveforms, operate it with the DVD mechanism deck in the standard position as shown below.

• For connecting the DVD mechanism deck, prepare three extension jigs. (Refer to “– DVD mechanism deck –”)
• In checking the MAIN/ACDC/MB03 boards, prepare three extension jigs (Part No. J-2501-231-A: 1mm Pitch, 15 cores, Length 300mm/

Part No. J-2501-243-A: 1mm Pitch, 17 cores, Length 300mm/Part No. J-2501-265-A: 4 pin, Length 300mm).

Connect the extension jig (J-2501-248-A) 
to the relay board (CN201)  and
the main board (CN901).

Connect the extension jig (J-2501-103-A) 
to the RF board (CN002)  and
the MBO3 board (CN501).

front AMP board

SURAMP board

SP board

video board

Connect the extension jig 
(J-2501-231-A) to the video 
board (CN802) and the SP 
board (CN312).

PT96 board

ACDC board

MB03 board

DVD mechanism deck

tuner unit

main board

front panel section

Connect the extension jig 
(J-2501-243-A) to the video 
board (CN801) and the MB03 
board (CN105).

Connect the extension jig 
(J-2501-265-A) to the ACDC 
board (CN004) and the main 
board (CN007).