A
B
C
D
E
F
G
H
1
2
3
4
5
6
I
J
K
L
7
8
DVD-C996/DV-C6280
■
SCHEMATIC DIAGRAM (MAIN P.C.B. (2/3) & CM 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.
Point
w
(XL352)
V : 2V/div
H : 20
µ
sec/div
DC range
1 : 1 probe
Point
e
CH1 : Pin8 of IC351
CH2 : Pin26 of IC351
H : 5 sec/div
DC range
1 : 1 probe
V : 2V/div (CH1)
V : 2V/div (CH2)
CH 1
CH 2
POWER ON
POWER OFF
0V
Point
q
(Pin10 of IC351)
V : 2V/div
H : 0.1
µ
sec/div
DC range
1 : 1 probe
0V
Point
r
(Pin4 of IC354)
V : 2V/div
H : 20
µ
sec/div
DC range
1 : 1 probe
0V
AT25010
8
4
1
5
MN101CP35D
51
50
26
75
76
100
25
1
5
3
1
4
TC7SU04F
TC7S08F
LA6510
1
10
BA6286
1
10
MOTOR DRIVE
0
0
7.1
0.3
0
0
0.3
12.8
12.8
0
7.1
12.8
7.5
0
0
0
0
0
12.9
0
0
0
-8.9
404
1K
405
150K
407
82K
408 120K
406
1
409 100K
402
402
410
411 110K
412
110K
413
403
401
1
150K
10
8
9
6
7
1
2
4
5
PANEL CPU
EEP ROM
4.2
1.8
4.2
0
4.2
4.2
4.2
0
4.9
4.2
0
1.9
2.1
4.2
1.6
3.7
4.1
0
1.8
4.2
4.2
1.9
2.0
0
2.1
4.2
0
0
4.2
4.2
4.2
0
4.2
4.2
4.2
4.2
4.8
4.2
0
0
0
0
4.2
4.2
4.2
2.7
4.2
0
0
0
0
0
-16.0
-18.0
-20.0
-20.6
-20.6
-25.7
-22.9
-25.7
-22.9
-22.9
-23.3
-23.3
-23.3
-23.3
-23.2
-23.2
-23.2
-23.2
-23.2
-23.5
-23.5
-23.5
-23.5
-23.3
-23.3
-23.3
-23.3
-23.2
-23.2
-23.2
-23.2
-23.2
-23.5
-23.5
-23.5
-23.5
-16.0
-18.0
-20.0
-20.6
-20.6
-25.7
-22.9
-25.7
-22.9
-22.9
-25.9
-20.6
-23.2
-20.5
-18.0
-20.0
-25.9
-20.6
-23.2
-20.5
-18.0
-20.0
-25.9
4.2
4.2
4.2
4.2
4.2
0
4.2
0
CIRCUIT CHANGES BY MARKET.
2
3
4
5
M95640-WMN6T
IC401 : LA6510
Dual Power Operational Amp
1
2
9
8
5
10 7
3
4
6
CURRENT
LIMITER
CURRENT
LIMITER
VSENSE1
VSENSE2
V
EE
V
CC
+VINI1
–
VINI1
–
VINI2
+VINI2
VOUT1
VOUT2
10
9
4
5
7
8
1
2
3
DRIVER
DRIVER
CONTROL
LOGIC
POWER
SAVE
TSD
6
VCC
VM
OUT 1
OUT 2
RNF
GND
RIN
FIN
VREF
IC400 : BA6286
Motor Driver
IC353 : TC7S08F
AND
1
2
3
5
4
VDD
OUT X
IN B
VSS
IN A
IC354 : TC7SU04F
Inverter
5
4
NC
IN Y
VSS
VDD
OUT Y
1
2
3
IC352 : M95640-WMN6T
Electrically Erasable PROM
63
1
2
3
4
8
7
6
5
CS
SO
WP
GND
VCC
HOLD
SCK
SI
MEMORY ARRAY
128/256/512 x 8
ADDRESS
DECODER
STATUS
REGISTER
DATA
REGISTER
MODE
DECODE
LOGIC
CLOCK
GENERATOR
OUTPUT
BUFFER
1
5
3
6
7
2
8
4
VCC
SI
SO
GND
SCK
CS
WP
HOLD
MAIN (1)
MAIN (1)
