Yamaha DSP-E800 - Page 36

ABCDEFGH
1
2
3
4
5
6
DSP-E800
■ PRINTED CIRCUIT BOARD (Foil side)
36 37
Point e (Pin 9 of IC3)
V : 2V/div H : 50 nsec/div
DC range 1 : 1 probe
Point r (Pin 39 of IC6)
V : 2V/div H : 50 nsec/div
DC range 1 : 1 probe
2V
SAMPLE 50ns
0V
2V
SAMPLE 50ns
0V
116
3217
130
31 50
51 80
81
100
1
14
28
15
111
12 22
23 33
34 44
112
2413
14
85
14
85
14
85
14
85
14
85
L
E
FL
C
RL
E
LIN
R
E
FR
LFE
RR
RIN
FROM : INPUT (1)
DBS-C/O
DVD-C/O
DIB
+5D
DIA
DG
DSIG
FROM : INPUT (3)
+12
DECOD
CEAC1
SCKD
INTD
+5D
TXAC
DBL
/ICD
ERRA
-12
/CSD
SID
SOD
DF
CLKAC
RXAC
CEAC2
/ICAC
FROM : INPUT (1)
3
4
14
85
DSP P.C.B.
(Lead Type Device)
17
14 8
DSP P.C.B.
(Surface Mount Device)
TO : INPUT (1)
EXT
6R
E
6L
E
6SW
E
6C
E
6RR
E
6RL
W403
INPUT ( 3 ) P. C. B.
+5D
DIB
DVD–C/O
DBS–C/O
DSIG
DG
DIA
FROM : DSP
EXTERNAL
DECODER
MAIN IN
MAIN
SURROUND
CENTER/
SUBWOOFER
DVD/LD
D–TV
CBL/SAT
DVD/LD
CBL/SAT
DIGITAL SIGNAL 6CH INPUT
1
1
1
1 1
7
7
14
14
8
8
7
14 14
8
8
7
8
16 9
Ref. No. Location
D1 D3
D2 E3
D4 C2
D5 E2
D6 E2
D7 E2
D8 E2
D9 E2
D10 E2
D11 E2
D12 E2
D14 C2
D15 C2
D16 C2
D17 C2
D150 E2
D151 E2
D152 E2
Ref. No. Location
IC1 B3
IC2 E3
IC3 C3
IC4 B4
IC5 B4
IC6 C2
IC7 C2
IC8 B2
IC9 B2
IC10 B2
IC11 B2
IC13 B2
IC15 B3
● Semiconductor Location
Ref. No. Location
Q1 E2
Q2 E2
Q3 E2
Q4 D2
Q5 D2
Q6 D2
Q7 D2
Q8 D2
Q9 D2
Q10 D2
Q11 D2
Q12 D1
Q13 D2
Q14 C2
Ref. No. Location
D651 F3
D652 F3
D653 F3
D654 F3
Ref. No. Location
IC651 G2
IC652 G3
IC653 F2
IC654 F3
IC655 F2
● Semiconductor Location