Denon DVD-2910, Service Manual

Page: 55 / 131

55
DVD-2910/955
PIN Description
PIN NAME SYMBOL I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
1 TB4IN DSPSPICS O DSP CONTROL TERMINAL
2 P93 V-CS VFD CONTROL SIGNAL(CS) / H=NEGATE , L=ASSERT
3
SOUT3 V-DATA
VFD CONTROL SIGNAL(DATA)
4 SIN3 ROM CONT 1 NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
NOT USED
5 CLK3 V-CLK VFD CONTROL SIGNAL(CLK)
6 BYTE
BUS WIDTH
SEL
I EXT DATA BUS WIDTH SELECT L=16bit (width) H=8bit (width)
7
CNVss CNVss
I MODE SELECT SIGNAL
SINGLE CHIP MODE=Vss CONNECTION, MICRO PROSECER MODE=Vcc CONNECTION
8 P87 OPEN 8
OPEN 9
OPEN 32
OPEN 33
OPEN 34
OPEN 35
OPEN 36
OPEN 37
OPEN 38
OPEN 45
OPEN 46
OPEN 47
OPEN 48
OPEN 49
OPEN 50
OPEN 40
9 P86
10
RESET- RESET
I RESET INPUT/ H=NEGATE , L=ASSERT *RESET IC OUT = OPEN DRAIN
11
XOUT CLOCK OUT
O X'TAL CONNECTION
12 VSS I IMPRESS: 0V
13 XIN CLOCK IN I Ext. CLOCK / Xin=INPUT, Xout=OPEN
14
VCC
I IMPRESS: 2.4-3.6V
15
NMI MN TERMINAL
NON USABLE : Ext. +3.3V
16 INT2- OP_CS BE CONTROL SIGNAL(CS) / H=NEGATE , L=ASSERT
17 INT1- W.REM WIRED REMOTE INPUT
18
INT0- REMO
REMOTE INPUT
19
P81
20 TA4OUT OPN_DRV TRAY CONTROL SIGNAL1
21 P77 LD CONT PICK UP LASER ON/OFF CONTROL OUTPUT H=DVD L=CD
22 TA3OUT CLS_DRV TRAY CONTROL SIGNAL2
CLS_DRV
TRAY CONTROL SIGNAL2
23
TA2IN DFRESET
INTERRUPT INPUT FOR BE / H=NEGATE , L=ASSERT
24 P74 +1.8V_ON/OFF +1.8V POWER CONTROL SIGNAL FOR DSP / H=ON , L=OFF
25 RTS2- PANEL_REQ BE CONTROL SIGNAL(REQ) / H=ASSERT , L=NEGATE
26 CLK2 OP_CLK BE CONTROL SIGNAL(CLK)
27
RXD2 OP_DI
BE CONTROL SIGNAL(DI)
28 TXD2 OP_DO BE CONTROL SIGNAL(DO)
29 TXD1 TXD232 TXD
30 RXD1 RXD232 RXD
31
CLK1 CLK1
CLOCK MODE SELECT
32 RTS1
33 TXD0
34 RXD0
35
CLK0
36 P60
37 P57
38 P56
39
FRASH_EPM FRASH_EPM
INTERNAL FLASH CONTROL SIGNAL1 / H=NOMAL , L=BOOT
40 P54
41 P53 DSD_SEL AUDIO STATUS SELECT SIGNAL6
42 P52 FILM_ON VIDEO STATUS SELECT SIGNAL
43
P51 EMUTE
MUTE CONTROL SIGNAL / H=MUTE ON , L=MUTE OFF
44 FRASH_HCE FRASH_HCE INTERNAL FLASH CONTROL SIGNAL1 / H=BOOT , L=NOMAL
45 P47
46 P46
47
P45
48 P44
49 P43
50 P42
PIN No
FUNCTION
DESCRIPTION
POWER INPUT 1
POWER INPUT 2