DVR-S300/
NX-P301/NX-P302
47
★
Components having special characteristics are marked
s
and must be replaced
with parts having specifications equal to those originally installed.
★
Schematic diagram is subject to change without notice.
NC
NC
A
REF
K
COM
OUT
IN
COM
OUT
IN
COM
OUT
IN
1%
+3V3
7404 C6
7405 E3
7406 F5
T401 B3
T402 B3
T403 C3
T404 B3
T405 B3
T406 B3
T407 B3
GND_D
Gnd_a
GND_D
1%
3490 D7
3492 D7
3493 F4
4401 B4
4402 B4
4409 D6
5401 B5
5402 B5
5403 B7
5404 C10
5405 C10
7401 B6
7402 C6
7403 C10
Standby_PSU
+12Va
+3V3
Power_Dn
AV_VIDEO (Supply Distribution )
2420 F9
2421 G9
2422 G9
2423 H9
3401 B4
3480 D9
3481 D9
3486 C6
3487 C5
3488 C6
11
12
1
2
3
4
5
6
7
8
9
10
11
12
A
B
C
D
E
F
H
A
B
+12VL
-12Va
+5VL
1%
1
2
3
4
5
6
7
8
9
10
GND_D
C
D
E
F
G
H
1401 B2
1402 B3
1405 E2
2351 C3
2401 B7
2402 B7
2403 C11
2404 C11
2405 C5
2406 C5
2407 C9
2408 D11
2409 D11
2410 D10
2413 E3
2414 E4
2415 G5
2417 G9
2418 F9
2419 G9
T405
+3V3_DAC
T404
+3V3
12K
3490
1R0
3493
4402
3492
8K2
2413
100u
100u
2414
5403
100n
2421
5401
TS431L
7404
5
A
3
K
1
2
4
DGND
3488
15K
2419
100n
47u
2403
25V
4401
3481
1K0
+5VL
1K0
3480
2407
100n
5402
1402
T403
T406
DGND
10u
50V
2401
2420
100n
+3V3_POWER
1
3
2
DGND
GND_A
7402
BC847B
+1V8
DGND
2408
47u
25V
100n
2422
100n
+5VL
2423
+8VL
T407
T402
4409
L78M05CDT
7406
2
1
3
100R
3401
1405
T
2A
DGND
6
7
8
9
1
10
11
12
2
3
4
5
VGND
B12B-EH-A
1401
T401
DGND
3486
22R
2409
+5VVID
100n
100n
2404
GND_A
-12Va
+12VL
IN
1
OUT
3
100n
2417
7405
L7808CD2T
GND
2
1
IN
3
OUT
2
+12VL
7403
LD1117DT33
BCP53
7401
100u
2415
68R
2406
100n
3487
100n
2418
DGND
5404
33u
2402
100n
33u
5405
10u
50V
2405
100n
2351
DGND
100u
2410
PWR_DN
+12Va
DGND
+12Va
Standby_PSU
AV BOARD 4/8
T
O
PO
WER SUPPL
Y UNIT
The first digit of a component indicates the component type.
1xxx : Connector
3xxx : Resistor
5xxx : Coil
7xxx : IC, Transistor, FET
2xxx : Capacitor
4xxx : SMD jumper
6xxx : Diode
9xxx : Wire jumper
■
DVR-S300 SCHEMATIC DIAGRAM
FOR INFORMATION ONLY (NO REPLACEMENT COMPONENT PARTS WILL BE AVAILABLE)
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299