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