Yamaha DVX-S120 Service Manual page 58

A B
DVR-S120/NX-P120
Q Q
3 7 6 3 1 5 1 5 0
DVR-S120 BLOCK DIAGRAM / ブロックダイアグラム
1
MAIN
See page 76 and 77 SCHEMATIC DIAGRAM
IC121
15,16
VCR_out
1,2
VCR_in
3,4
VIDEO
5,6
2
TU NER
7,8
DV D
9,10:GND
19 : +7V
20 : BIAS
21 : -7V
11,12
(DSP)
22,23,24
BD384 2FS
DA,CLK,DGND
3
Digital_ou t
T E Digital_in
L 1 3 9 4 2 2 9 6 5 1 3
SUB
See page 79 SCHEMATIC DIAGRAM
4
DVD
See page 70–74 SCHEMATIC DIAGRAM
DVD (MPEG)
BACK-END
SCART
Sub CPU
5
w w w
DVD
FRONT-END
97LOADER
58
6
C
DIGITAL
See page 75 SCHEMATIC DIAGRAM
17,18
IC379 IC380
31 L
IC384
9
32 R
IC384
IC378
27
IC375
4M
62 6
DRAM
61 7 28
IC375
13,14 8
60
23
IC377
59 12
YSS938-F AK4628VQ
24
IC377
25
IC376
26
IC376
21
IC385
22
IC385
J model only
IC373
IC372 IC371
DECODER PLD SRAM
Q654
Q656
Q664
Y C
DAC2
Q666
S_ou t
DAC3
Q661
Y
Q662
DAC4 Q655
Q657 Cb
COMPONENT (except J)
DAC5 Q663
Q665 Cr
D2 (only J)
IC1
10
Mon itor_ou t
5
VCR_out
6,7
x a o
y
1
VCR_in
. i
3
VIDEO_in
DV D
12
NJM2279M
D http://www.xiaoyu163.com E
8
IC123
BD3815KS
VOLUME
FL out
FL 51
29
FL
FR out
FR 50
FR
31
SURL out
SURL 54
23
SURR
53 SURR out
25
C C out
55
21
SW
52 SW out 5
+
10dB
27
6
MIXL
Q Q
3 7 6 3
MIXR
2 : SW1
4 : MUTE2
8 : +5V
9 : NC
u 1 6 3
11 : M UTE1
13 : SW2
14 : -5V
.
http://www.xiaoyu163.com
F G
2 4
9 9
SUB
See page 79 SCHEMATIC DIAGRAM
IC125
+
Q129
Q127
IC125
+
Q130
Q128 HP_MUTE
D-AMP MODULE
D-AMP MODULE
2
1
IC2
D-AMP
3
+
2
1
IC4
D-AMP
3
+
6
7
IC2
5 D-AMP
+
6
7
IC4
D-AMP
5
+
2
1
IC3
D-AMP
3
+
Q123 Q122
7
IC122
+13dB
1 5 1 5 0 8 9 2
SW_MUTE
m
c o
H
2
8 9 9
L
R
Phones
FL
(WHITE)
FR
(RED)
SURL
(BLUE)
SURR
(GRAY)
C
(GREEN)
4 9 8 2 9 9
SWout