Yamaha DVR-S200, Service Manual

Page: 82 / 108

A B C D E F G H
1
2
3
4
5
6
I J K L
7
8
DVR-S200/NX-P200
82
■
DVR-S200 SCHEMATIC DIAGRAM (MAIN 1/4)
* All voltages are measured with a 10M
Ω
/V DC electronic volt meter.
* Components having special characteristics are marked
Z
and
must be replaced with parts having specifications equal to those
originally installed.
* Schematic diagram is subject to change without notice.
IC103, 111–113 :
µ
PC4570G2
Dual OP-Amp
– +
OUT
1
–IN
1
–V
CC
+V
CC
OUT
2
1
2
3
4 5
+IN
1
–IN
2
+IN
2
– +
6
7
8
INPUT SELECTOR
VOLUME
MUTE
DC DETECT
REGULATOR
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7.4
0
-7.4
0
0
0
0
0
0
0
0
0
0
0
0
7.4
0
0
-7.4
0
0
0
4.9
-12.8
-31.0
-30.5
-41.8
-12.7
-31.1
-30.6
-41.8
-12.6
-31.1
-30.6
-41.7
-12.8
-31.0
-30.4
-41.7
-12.8
-31.1
-30.6
-41.8
0
0
0
11.8
0
0
0
0
0
0
0
-11.9
0
0
2.5
0
2.5
2.5
2.5
0
0
4.9
4.9
0
0
2.5
0
2.5
2.5
4.8
0
4.8
0
2.5
0
2.5
2.5
2.5
0
0
4.9
4.9
0
0
2.5
0
2.5
2.5
4.8
0
4.8
0
2.5
0
2.5
2.5
2.5
0
0
4.9
4.9
0
0
2.5
0
2.5
2.5
4.8
0
4.8
0
11.9
4.9
0
0
0
0.1
11.7
-11.8
0
0
0
0
0
11.7
0
0
0
0
-11.8
0
0
0
0
0
0
11.7
0
0
0
0
0
0
-11.8
0
0
0
0
0
0
4.9
4.9
-0.5
-0.5
0
0
4.9 4.9
-0.5 -0.5
0
0
4.9 4.9
-0.5
-0.5
0
0
10.5
0
-6.3 4.9
5.0
0
4.9
0
4.9
0
4.9
0
4.8
-11.8
-11.8
0
0
CENTER
CENTER
REAR_L
REAR_L
FRONT_L
FRONT_L
VIDEO1_L
(ANALOG IN)
VIDEO1_L
(ANALOG IN)
FRONT_L
FRONT_L
FRONT_L
VIDEO1_L
(ANALOG IN)
FR
ONT_L CENTER
REAR_L
D-AMP MODULE D-AMP MODULE D-AMP MODULE
D-AMP MODULE
D-AMP MODULE
X : NOT USED
EUROPE
Page 86 F4
to SUB (1) W2
Page 86 J5
to SUB (1) W6
Page 81 I1
to DIGITAL CB308
Page 83 H3
to MAIN (3) W801
Page 84 I3
to MAIN (4) W861
Page 81 B1
to DIGITAL CB301
Page 85 A3
to MAIN (2) W301
Page 86 C4
to SUB (3) CB363
Page 86 C1
to SUB (3) CB361
CB119
PHI
or
MA8068-H
MA8068-H
30K
30K
30K
SURR
SURL
FR
FL
FL
FR
SURL
SURR
C
FL
FR
SURL
SURR
C
F-SW1
F-SW1: INPUT FUNCTION 1
F-SW2: INPUT FUNCTION 2
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
DGND
F-SW2
CL DA VEE GND VCC RECA1 RECA2 RECB1 RECB2 RECC1 RECC2 OUT1 OUT2 INI1 INI2
INA1 INA2 INB1 INB2
INC1 INC2 IND1 IND2
INE1 INE2 INF1 INF2
ING1 ING2 INH1 INH2
LOGIC
+ – + – + – + –
IC101 : BD3841FS
9ch Function Switch
12
9
8
17
16
18
2
20
19
1
7
11
4
3
5
6
15
14
LIN2
LOUT
VREF
ICN
TE
ZCEN
SDATAO
SDATAI
CSN
SCLK
ROUT
LIN1
DVSS
DVDD
AVSS
AVDD
RIN1
RIN2
VREF
GENERATOR
&
RESET
PULSE
GENERATOR
S/P
REGISTER
ZERO
CROSS
DETECTION
CONTROL
REGISTER
L
R
VREF
+
–
VREF
+
–
256
256
16
IC106–108 : YAC520-EE2
Stereo Digital Volume Controller
1
2
3
5
4
VDD
OUT X
IN B
VSS
IN A
IC109 : TS7ST08F
AND