CB320
IC309
IC303
IC315
IC308
IC307
CB303
CB315
CB314
CB311
CB319
CB321
IC312
IC312
CB318
IC312
IC312
IC313
IC301
CB301
CB304
IC302
CB305
W302
CB313
CB306
CB317
A
1
2
3
4
5
6
7
8
9
10
B
C
D
E
F
G
H
I
J
K
L
M
N
DVR-700/NS-PSW700/NS-P700
99
SCHEMATIC DIAGRAMS
FRONT
0
5.0
5.0
5.0
5.0
2.6
2.4
4.9
4.9
4.9
4.5
0
0
0.4
5.0
0
4.7
0
5.0
5.0
0
5.0
4.9
4.9
4.9
4.9
4.6
5.0
2.5
2.6
3.6
4.9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
1.1
0
0
4.9
0
14.8
5.0
14.2
1.9
0
0
1.9
13.6
13.6
0
5.0
5.0
0
0
0
0
0
0
0
0
0
5.0
4.7
5.0
0
0
2.5
2.5
2.5
2.5
5.0
0
1.3
0.6
6.3
6.3
6.3
11.0
14.8
14.8
14.8
14.8
8.1
3.4
3.4
3.4
0
0
5.0
0
6.1
6.3
0
6.3
0
0
0
0
0
5.0
5.0
4.6
3.4
0.6
1.9
1.9
14.8
1.1
0
0
0
0
0
5.0
6.3
0
2.9
4.9
5.0
0
0
0
0
0
0
0.4
5.0
0
1.7
2.5
5.0
6.2
6.2
2.1
1.9
0
0
0
0
2.4
0
0
5.0
4.9
0.4
POINT
A XL301 (Pin 9 of IC303)
A
USB IN
DVD/USB IN
VIDEO OUTPUT
SYSTEM CONNECTOR
(NS-PSW700)
COMPONENT
VIDEO
FRONT (2)
USB
FRONT (1)
SUB-MICROPROCESSOR
IC308
: BA50DD0WHFP
2 A low dropout voltage regulator with shut down switch
1
CTL
* Please refer to technical note concerning application circuit, and etc.
GND
Vref
Driver
OVP
-+
TSD
OCP
VCC
GND
VOUT
N.C.
2
3
4
5
IC309
: BD9302FP-E2
2.5 MHz 2 A power switch 2 ch step-down switching regulator
1
PGND1
2
COMP1
0.6V
ERR
PWN
VREF
slope
slope
OSC
OCP
5V
OCP
Current
Sense
Current
Sense
UXLO
TSD
Set
SDWN
DRV1
SDWN
Reset
DRV2
DRV2
SDWN
DRV1
SDWN
Set
Reset
Internal
bias
+
-
0.6V
ERR
PWN
+
-
+ -
+ -
3
FB1
4
RT
5
N.C.
6
SS1/SD
7
VCC
8
SS2/SD
9
N.C.
10
FB2
11
COMP2
12
GND
13
PGND2
25 SW1L
24 SW1
23 SW1
22 BOOT1
21 PVCC
19 PVCC
18 PVCC
17 BOOT2
16 SW2
15 SW2
14 SW2L
20 PVCC
IC307
: KIA78M05F
Three terminal positive voltage regulator
R13
R11
R12
R4
RA
RB
R3
R9
R13_1
R2
R18
R21
R20
R16
OUTPUT
3
INPUT
1
Q13
Q1
Q1
QD
D1
Q2
Q10
Q4
R19
R14
R15
Q11
0
Q14
Q15
Q9
Q6
Q8
Q16
C1
D2
D3
Q12
IC305
: MIC2005-0.5YM6
Fixed current limit power distribution switch
Under
Voltage
Detector
Thermal
Sensor
Slew Rate
Control
Gate Control
VIN
VOUT
GND
V
IN
V
OUT
C
SELW
FAULT/
GND
ENABLE
Current
Mirror FET
Current Limit
Control Loop
Factory
adjusted
V
REF
Power
FET
Control Logic
and delay Timer
1
6
2
4
5
6
3
2
1
IC302
:
TC7SET08FU
2 input AND gate
1
2
3
IN A
IN B
GND
4
5
OUT Y
VCC
A
L
L
H
H
B
H
L
H
L
Y
H
L
L
L
IC312
: TC7WZ04FK
Triple inverter
V
CC
3A
2Y
1A
GND
3Y
1
2
3
4
2A
1Y
8
7
6
5
1
G1
A1
A2
A3
A4
A5
A6
A7
A8
GND
Vcc
G2
Y8
Y7
Y6
Y5
Y4
Y3
Y2
Y1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
IC301
: TC74VHCT541AFT
Octal bus buffer
IC315
: BD7931F
Power driver IC
8
F
R
+
-
PRE
GND
POW
GND
LDCONT
T.S.D
VCC
Control
Logic
POW CMOS
H-Bridge
7
6
5
FIN
RIN
CONT
GND_S
1
2
3
4
VCC
OUT+
OUT-
T.S.D : Thermal shutdown circuit
GND
IC303
: R5F21247SNFP
Single chip 16 bit microprocessor
R0H
Timers
Port P0
8
8
8
6
3
3
8
Port P1
Port P2
Port P3
Port P4
Port P6
A/D converter
(10 bits x 12 channels)
System clock
generation circuit
XIN-XOUT
High-speed on -chip oscillator
Low-speed on-chip oscillator
XCIN-XCOUT
UART or
clock synchronous serial I/O
(8 bits x 2 channels)
I
2
C bus interface or clock synchronous
serial I/O with chip select
(8 bits x 1 channel)
LIN module
(1 channel)
Watchdog timer
(15 bits)
Timer RA (8 bits)
Timer RB (8bits)
Timer RD
(16 bits x 2 channels)
Timer E (8 bits)
R8C/Tiny Series CPU core
Memory
I/O ports
Peripheral functions
R0L
R1H
R1L
R2
SB
INTB
PC
USP
ISP
FLG
ROM
(1)
RAM
(2)
Multiplier
NOTES:
1. ROM size varies with MCU type.
2. RAM size varies with MCU type.
R3
A0
A1
FB
IC313
: TC74VHC245FT
Octal bus transceiver
1
DIR
A1
A2
A3
A4
A5
A6
A7
A8
GND
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
Vcc
G
B1
B2
B3
B4
B5
B6
B7
B8
to OPERATION (1)_W4
Page 100
K2
to OPERATION (6)_W3
Page 100
M3
to OPERATION (3)_W6
Page 100
E10
to OPERATION (3)_W7
Page 100
F10
to OPERATION (1)_W5
P
age 100
I2
to OPERATION (5)_W2
Page 100
L3
to OPERATION (2)_W8
Page 100
B6
to OPERATION (4)_W9
Page 100
C9
Writing port
(Sub-microprocessor)
to DVD module P.C.B.
to DVD module P.C.B.
Ohm
+ 1.2k
+ 1.2k
+ 12.7k
+ 8.0k
V
0.4 - 0.7
0.8 - 1.1
2.8 - 3.2
3.3 - 3.7
A/D value
20 - 36
40 - 56
142 - 163
168 - 189
KEY1 (41 pin)
-
STOP
INPUT
PAUSE
Detection for AD port: KEY0 (39 pin of sub-microprocessor IC303 of OPERATION P.C.B.)
Key Input (A-D) Pull-Up Resistance 10 k-ohms
Detection for AD port: KEY1 (41 pin of sub-microprocessor IC303 of OPERATION P.C.B.)
Key Input (A-D) Pull-Up Resistance 10 k-ohms
Ohm
+ 680
+ 680
+ 15k
+ 13.5k
V
0.3 - 0.5
0.5 - 0.8
3.0 - 3.3
3.6 - 3.9
A/D value
15 - 25
26 - 40
155 - 170
185 - 200
KEY0 (39 pin)
EJECT
PLAY
VOLUME UP
VOLUME DOWN
Содержание DVR-700
Страница 97: ...A B C D E F G H I J 1 2 3 4 5 6 7 DVR 700 NS PSW700 NS P700 97 SUB P C B Side B NS PSW700 ...
Страница 120: ...120 DVR 700 NS PSW700 NS P700 DVR 700 NS PSW700 NS P700 SYSTEM MENU ...
Страница 121: ...121 DVR 700 NS PSW700 NS P700 DVR 700 NS PSW700 NS P700 MEMO ...
Страница 122: ...DVD CONTROLLER DVR 700 SUBWOOFER SYSTEM CONTROL NS PSW700 SPEAKERS NS P700 本资料由OKXIA视听皮带资源库www okxia cn提供 ...