Yamaha DVD-C996 Service Manual page 49

A B
SCHEMATIC DIAGRAM (MAIN P.C.B. (1/3) & TRAVERSE P.C.B.)
1
2
3
4
5
CIRCUIT CHANGES BY MARKET.
6
7
8
2SA1037K (Q, R, S) 1SS355 AN78N05
2SC2412K (Q, R, S) MA8027-H
2SD1938F (S, T)
DTA114EKA
Anode
C
E
1:INPUT
2:COMMON
B
Cathode 1 2
3:OUTPUT
3
C D E
FP5201
P48
A-2
FP2501
P51
H-3
TC7ST04F NJM4558MT-1 ML6427CS
NJM4580E-T1
TC7WU04F
13
4
5
5 24 12
8
3
4
1 1
1
F G
PS4201
0
5
7
0 6
0
8
7.2
P59
G-3
-7.2
4
0 2
1
0 3
0
4.9
0 1.8
4.8
8.9
4.9
0
PS3201
B, G ONLY
4.9
1.1
0.6
P55, 57
G-2
IC1, 2 : NJM4580E-T1 IC3 : TC7WU04
IC6 : NJM4558MT-1 3-Inverters
Dual Op-Amp
1A 1 8 VCC
OUT 1 1 8 +V CC
3Y 2 7 1Y
–IN 1 2 7 OUT 2
+ – + –
+IN 3 6 –IN 2A 3 6 3A
1 2
GND 4 5 2Y
–V CC 4 5 +IN 2
H I
LPF AMP
4.8 4.8
4.8
4.8 4.5
4.5
7.2
0 6 8
7
0 5
0 3
1
0
2 0
4
-7.2
LPF AMP
MIXER
LPF
2.6 2.5
0
0 2 7.2
0 0 6
1 8
0 3
7 0
0 5
4
-7.2
4.9
1.6
2.4
0
VIDEO
LPF
AMP
0.4
0.8
0.4
0.9 4.9
0
1.5
0 1.3
4.9
0
0.7 0.9
0 4.9
0.7 0.8
0 1.3
0.9
0
IC4 : TC7ST04F
Inverter
VDD OUT Y
5 4
1 2 3
NC IN Y VSS
J K
DVD-C996/DV-C6280
MUTE
0 0
-7.1 -7.1
0 0
-7.1
0
0
-7.1 -7.1
0 0
MUTE
0 0
0.7 -7.1
0
0
2.5
2.4
0
4.9
4.5
2.5
2.4 2.5
0
0
4.9
* All voltage are measured with a 10MΩ/V DC electric 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.
62