Kenwood DV-5700 Service Manual page 9

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1. Initializing the DVD Carrousel
1-1 Setting Method
• Insert the AC power plug to AC wall outlet with pressing the "STOP" key.
POWER ON
CD Tray close
DISC Position SW ON
Rotary SW ON
Traverse Unit Down
Initializing the RAM area
and Backed up
2. Main Microcomputer : MN101C28CMA(X25, IC1)
Port No. Port Name
1 VSS
2-4 KEY0-2
5,6 KEY3,4
TE
7 KISYU
L 13942296513
8.9 KID0,1
10 VREF+
11 VDD
12 OSC2
13 OSC1
14 VSS
15 XI
16 XO
17 MMOD
18 TXD0
19 RXD0
20 SCK0
21 SB01
22 SB11
23 SCLK1
24 FLCE
25 RESET
26 E2CS
27 P11
28 MECHA VR
29 P13
30 LED DM
31 REMOCON
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32 POS SENS
33 MECHA FG
34 OPEN SW
35 CLOSE SW
.
36 12C SDA
37 SB12
38 12C SCL
39,40 P33,34
CIRCUIT DESCRIPTION
When initialize the mechanism,
it will display "INITI ".
• The "INITI NG " will be displayed if abnormal
action is occurred during the stop mode.
• The "INITI OK "will be displayed if no error occurred.
I/O
O GND
I Key input for AD.
O Unused.
I Model selector.
I Destination selector.
O Positive reference voltage for AD converter.
O +5V
I Clock input (10MHz).
O Clock output.
O GND
I Unused.
O Unused.
I GND
O SIO0 data output port. Main processor contact.
I SIO0 data input port. Main processor contact.
O SIO0 clock output.
O SIO1 data output port. FL driver contact.
I SIO1 data input port. FL driver contact.
I SIO1 clock input.
O FL chip enable.
I CPU reset.
O Unused.
O Unused.
O Mechanism PCM output.
O Unused.
O Unused.
I Remocon code input.
O Mecahnism position sensor.
I Mecahnism frequency generator(FG) signal input.
x ao u163
y
I Tray open switch sensor.
I Tray close switch sensor.
i
O IC400 control (I2C data). Scart drive/E2ROM
O Unused.
O I2C clock.
O Unused.
DV-5700/DVF-R9050/R9050-S
2 9
8
Function
Q Q
3 6 7 1 3 1 5
co
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9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9
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