Advertisement
DVR-505/7000
1. Port Description of System Microcomputer : CXP828XX(IC501)
Port No.
Port Name
1
GRID2
2
GRID1
3
NC
4
POWER DOWN
5
RDS CLK
6
DVD RX
7
RDS OPTION
8
RMC
9
RDS DATA
10
SM7346 CLK
11
SM7346 DATA
12
ENCODER UP
13
ENCODER DW
14
DVD TX
15
DVD RST
16
DSP A. BOOST
17
H/P CHK
18
CS8415A-CE
19
EMPHASIS
20
TUNED
21
DSP INTREQ
22
4094CE
23
CS49326 CE
24
CS4228 CE
25
DSP CLK
26
CS49326 DATA IN
27
DSP DA OUT
28
VREF
29
PROTECT
30
KEY IN
31
EEPROM DATA
32
EEPROM CLK
33
8415 DA IN
34
DVD OPTION
35
PLL DATA IN
36
STEP OPTION
37
VSS
38
RST
39
EXTAL
40
XTAL
41
GND
42
NC
43
GND
44
VDD
45
VFDP
46
STANDBY
47
SPK RELAY
48
SUB ON/OFF
49
CS8415 RST
50
PLL CE
51
PLL CLK
52
PLL D OUT
53
A CLK
54
A DATA
55~59
VIDEO (SW1~SW5)
4
CIRCUIT DESCRIPTION
I/O
O
FIP GRID
O
FIP GRID
-
CONNECTED TO VDD
I
POWER DOWN CHECK
I
RDS CLOCK
I
DVD UART INTERFACE (RX)
-
NC (CONNECTED TO GND)
I
REMOTE CONTROLLER SIGNAL
I
RDS DATA
O
VOLUME IC (IC84) CLOCK
O
VOLUME IC (IC84) DATA
I
ENCODER (1) SIGNAL
I
ENCODER (2) SIGNAL
O
DVD UART INTERFACE (TX)
O
DVD RESET
O
DSP AUTO BOOT
I
HEADPHONE CHECK
O
DIR IC (IC14) CHIP ENABLE
O
CS4228 DAC IC EMPHASIS ON/OFF
I
TUNED SIGNAL
O
DSP INT REQUEST
O
IC431 CHIP ENABLE
O
CS49326 DSP IC (IC5) CHIP ENABLE
O
CS4228 DAC IC (IC1) CHIP ENABLE
O
CS49326 DSP IC (IC5) CLOCK
I
CS49326 DSP IC (IC5) DATA
O
CS49326 DSP IC (IC5) DATA
I
A/D REFERENCE (5V)
I
AMP PROTECTION IN
I
A/D KEY
I/O
EEPROM (IC502) DATA
O
EEPROM (IC502) CLOCK
I
CS8415 DIR IC (IC14) DATA
I
MODEL DISCRIMINATION
I
PLL DATA
I
TUNER STEP OPTION
I
AVSS (ANALOG GND)
I
RESET(LOW ACTIVE)
I
X-TAL IN(10MHz)
O
X-TAL OUT(10MHz)
-
VSS (DIGITAL GND)
O
UNUSED
-
GND
I
VDD (DIGITAL VDD)
I
VFDP (FIP PULL DOWN POWER -30V)
O
STANDBY (POWER RELAY ON/OFF)
O
SPEAKER RELAY ON/OFF
O
SUB WOOFER GAIN CONTROL
O
CS8415 (IC14) RESET
O
PLL CHIP ENABLE
O
PLL CLOCK
O
PLL DATA
O
COMMON CLOCK(LC7821,BU4094)
O
COMMON DATA(LC7821,BU4094)
O
VIDEO SW (1~5)
Description
Advertisement
