Yamaha DSP-A595 Service Manual page 44

A B
DSP-A595
Q Q
3 7 6 3 1 5 1 5 0
PRINTED CIRCUIT BOARD (Foil side)
1
Semiconductor Location
Ref. No. Location
D800 C2
D801 C2
D802 C2
D803 C2
D805 C2
D806 C3
D807 C2
D808 E3
D809 C3
D811
C3
D812 C3
D813 C3
IC800 E2
IC801 D5
2
IC802 E5
Q800 F3
Q801 E3
STANDBY/ON
Q802 E3
Q803 C2
Q805 C3
Q806 C3
Q810
E5
Q811 E5
3
W802
T E YE
L 1 3 9 4 2 2 9 6 5 1 3
Point 3
TO:
(Pin 16 of IC800)
POWER
V : 2V/div H : 50nsec/div
TRANSFORMER
AC range 1 : 1 probe
0V
4
2V SAMPLE 50ns
4
Point
CH1 : Pin 11 of IC800
CH2 : Emitter of Q806
V : 2V/div H : 0.5sec/div
DC range 1 : 1probe
CH1
5
0V
(CH1)
w w w
CH2
0V
2V 2V SAMPLE 0.5s
(CH2)
With the POWER Disconnect the
switch turned ON, power cord from
connect the the AC outlet.
power cord to the
AC outlet.
This waveform is not available by pushing the
power switch ON and OFF.
35
6
C
EFFECT DIGITAL/ MOVIE
PRO LOGIC ENHANCED THEATER
VO
VC
G
4
65 64 61 60 55
W801
YE
BASS
x a o
. i
D E
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P. C. B. OPERATION (1)
MONO TV ROCK CONCERT
MOVIE SPORTS DISCO CONCERT HALL
1 100
81
80
30
31
3
50 51
50 45 40 39 37 36 34 30 25 20
Q Q
3 7
W803
#14
TO: MAIN (1)
P. C. B. OPERATION (4)
TREBLE BALANCE
NJM2068LD
NJM2068LD
1 8 1
8
u 1 6 3
y
36
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F
2 4
8 9 9
—
SET TIME/
+
LEVEL
MENU
5V
TAPE/MD MON SEL
/EXT. CLK
DECODER
15 10 5 2 1
6 3 1 5 1 5 0 8 9
P. C. B. OPERATION (2)
S VIDEO VIDEO
TO:
INPUT (1)
#9
W805
+12A
–12
TIR
E
m
TIL
E
TOR
E
TOL c o
E
–10dB
.
G H
2
8 9 9
INPUT MODE
INPUT
VCR . V-AUX . TV/DBS . DVD/LD . CD . TUNER . PHONO
A B COM
RESET
MG
DATA
2 4 9 8 2 9 9
#8
TO: INPUT (1)
VIODEO AUX
L AUDIO R
#13
#13
TO: INPUT (2)