Kenwood DV-5700 Service Manual page 10

DV-5700/DVF-R9050/R9050-S
Port No. Port Name
41 TM+
42 TRM-
43 RM+
44 RGBL
45 AOP
46 YCBH
47 TRAY OPEN
48 TRAY CLOSE
49 POWER
50 FL OFF
51 WIDE1
52 WIDE2
53 C OFF
54-56 P52-54
57 CE
58-60 P61-63
61-68 LED18-11
69 POWER LED
70 96kHz
71 DISC2
72 DISC4
73 VSS LED
74 AOP LED
75 SHOWER LED
76 192kHz
77 DISC1
78 DISC3
79 DISC5
80 POWER MUT
3. Port Function of DVD Microcomputer : MN102L62GGB (X35, IC201)
Port No. Port Name
1
2
(ODC/AVDEC/SRAM)
3
4
(ODC/AVDEC/SRAM/ROM)
5 RAMCS(SRAM)
6 ODCCS
7 AVCS(AVDEC)
8 ROMCS(ROM)
9 SCLOCK(VDAC)
10 SDATA(VDAC)
11 FRD(ROM)
12
13~16 CPUADR0~3
17
18 SYSCLK(AVDEC)
19
20
21
22
10
CIRCUIT DESCRIPTION
I/O
O Tray motor positive port.
O Tray/rotary motor common port.
O Rotary motor positive port.
O Y signal.
O Video signal selector. AOP=Pure Audio Mode.
O H=scart color-difference signal. L=RGB.
O Unused.
O Unused.
O H=on. L=power off.
O Unused.
O Unused.
O Unused.
O C-signal of YC-signal on/off. H=on. L=off.
O Unused.
O Power chip enable.
O Unused.
O Unused.
O Power LED(D9).
O 96kHz LED(D7).
O Disc 2 LED(D2).
O Disc 4 LED(D4).
O Vss LED(D6).
O AOP LED(D15).
O Shower LED(D14).
O 192kHz LED(D8)
O Disc 1LED(D1).
O Disc 3 LED(D3).
O Disc 5 LED(D5).
O Power mute.
I/O
WAIT I Bus wait port.
NRD
O Bus read port.
NWEL O Unused.
NWEH
O Bus read port.
O SRAM chip select.
O ODC chip select.
O AV decoder chip select.
O Flash ROM chip select.
O Clock output to VDAC (X35, IC600).
O Data output to VDAC (X35, IC600).
O Flash ROM read port.
WORD - Connected to VDD (+3.3V).
O Bus address (0~3).
VDD - Supply voltage (+3.3V).
O Clock output to AV decoder (X35, IC300).
VSS - Connected to GND.
XI I Connected to GND.
XO O Unused.
VDD - Supply voltage (+3.3V).
Function
Function
Active
H L