Sony DVP-NS777P Service Manual page 50

IF-113 (INTERFACE CONTROL) SCHEMATIC DIAGRAM • See page 4-21 for printed wiring board.
– Ref. No.: IF-113 board; 1,000 series –
3
1 2
IF-113 BOARD
A
XX MARK:NO MOUNT
NO MARK:DVD/CD PLAY
∗
:IMPOSSIBLE TO MEASURE THE
VOLTAGE AT THE MARKED POINTS.
B– B+
B+
B
C
PROGRESSIVE
D
E
F
G
H
B+ B+
I
B– B–
J
05
4
5 6
IC406
REMOTE
COMMANDER
RECEIVER
GP1UE26SXKOF
3.3
0
-10.8
-10.3
-10.8
0
Q401, 402
DC/DC
CONVERTER
4-23
10
7 8 9
MV-044 BOARD (2/5) MV-044 BOARD (2/5)
CN205 CN201
(SEE PAGE 4-12) (SEE PAGE 4-11)
B–
B+
B+
B+
3.3
2.9
1
∗
1.5
0
8MHz
3.3
0
0.1
3.3
IC404
3.3
3.3
TMP86CK74AFG-5C00(M)
3.3
1.7
3.3
3.4
3.3
3.3
3.3
IC408
B+
RESET
3.3
B+
B–
DC-DC CONVERTER
TRANSFORMER
11
12 13
VACUUM
FLUORESCENT
DISPLAY
-8.8
-4.8
-20.9
-16.8
-20.9
-4.8
-4.8
-25
-20.9
-25
-4.7
IF CON
-25
-25
-25
-25
12.8
-25.2
INTERFACE CONTROL
4-24
DVP-NS777P
• Waveforms
1 IC404 3
3.5 Vp-p (8 MHz)
IF-113