Sony CDP-227ESD - Waveform Analysis and Main Board Wiring; Waveform Examples for Testing; Main Section Printed Wiring Boards

3-6. WAVEFORMS
CDP-227ESD/507ESD
3-7. PRINTED WIRING BOARDS
— Main Sectlon —
@ Semiconductor Location
Location
| Location
1-10
H-6
D-15
1-14
1-14
1-14
G-13
G-l2
H-15
H-16
H-15
H-15
1-12
1-13
1-13
J-12
I-11
1-12
H-10
=
H-8
G-6
F-8
D-7
D-10
E-10
C-7
C-9
@ CIRCUIT BOARDS LOCATION
D-2
D-14
D-2
E-14
D-11
C-I1
C-13
E-13
H-13
F-13
1-13
G-15
al |
C-12
G-15
E-12
1-9
H-6
H-6
H-6
eT
F-7
D-8
C-14
G-14
i
G-14
F-I1
1-12
LOADING MOTOR BOARD POWER BOARD
TRANSRATION BOARD
> : oye MAIN BOARD
in
i 2g 7 VOL BOARD
7 MOTOR BOARD
JACK BOARD
Note:
@ o——-: parts extracted from the component side.
@ @—: parts extracted from the conductor side.
@ @ : parts mounted on the conductor side.
e : Jumper wire connected to the ground pattern on
ae the component side.
: Pattern on the side which is seen.