A
B
C
D
E
F
G
H
1
2
3
4
5
6
AV-S70/NX-SW70
■
AV-S70 PRINTED CIRCUIT BOARD
FROM : DSP–FL (B)
FR
OM :
DSP–FL (B)
FR
OM :
AMP (A)
CDCOE
SCK
CCK
LOCKN
CLKA
C
RXA
C
CEA
C2
ERRA
SDT
CLD
CDO
ERR
TXA
C
CEA
C1
TCA
C
1
L
C
RL
LIN
+25
R
LFE
RR
RIN
-25
CNVSS
VSS
CTSO
RXDO
CE
RESET
VCC
CLK
O
TXDO
DIGITAL
1
DIGITAL
2
DSP-FL ( A ) P. C. B.
(Component side)
DSP-FL ( A ) P. C. B.
(Foil side)
Point
q
(Pin 13 of IC3)
V : 2V/div, H : 0.1
µ
sec/div
DC, 1 : 1 probe
0V
24
25
Ref. No.
Location
D1
F2
D2
F2
D3
B4
D4
B4
D5
C3
D6
C3
D7
C3
D8
C3
D9
C3
D10
C3
D11
C3
D12
C3
Ref. No.
Location
IC1
C2
IC2
C2
IC3
C3
IC4
C4
IC6
C3
IC7
C4
IC8
B4
IC9
B3
IC10
B3
IC11
B3
IC12
B3
IC15
C4
IC801
C2
IC802
C2
●
Semiconductor Location
Ref. No.
Location
Q1
C3
Q2
C3