Kenwood DV-5700 Service Manual page 10

DV-5700/DVF-R9050/R9050-S
QQ
3 7 63 1515 0
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
TE 76 192kHz
L 13942296513
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
www
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).
x ao
y
VSS - Connected to GND.
XI I Connected to GND.
i
XO O Unused.
VDD - Supply voltage (+3.3V).
8
Function
Q Q
3 6 7 1 3
Function
u163
.
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
Active
H
m
co
9 9
2 8 9 9
L