Aiwa CX-BK7 Service Manual page 7

– DVD mechanism deck –
• 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).
Note: 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.
Connect the extension jig (J-2501-103-A)
to the RF board (CN002) and
the MBO3 board (CN501).
– MAIN board, ACDC board and MB03 board –
• 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-2501-231-A) to the video
board (CN802) and the SP
board (CN312).
SP board
PT96 board
Connect the extension jig
(J-2501-243-A) to the video
board (CN801) and the MB03
board (CN105).
MB03 board
front AMP board
video board
ACDC board
Connect the extension jig (J-2501-248-A)
to the relay board (CN201) and
the main board (CN901).
Connect the extension jig
(J-2501-265-A) to the ACDC
board (CN004) and the main
SURAMP board
board (CN007).
front panel section
main board
tuner unit
DVD mechanism deck
CX-BK7
7