Clarion DB538RMP, Service Manual

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DB538RMP DB538RMP
DB538RMP DB538RMP
DB538RMP
1 NC - NC
2 LKFS I Lock status of frame sync
3 SQDT I Subcode-Q data serial output
4 EJ-END I Eject end position of switch
5 ORIGIN I Sled origin position of switch
6 ISTAT I Monitor of the servo power
7 OPTION1 I Interface option
8 OPTION2 I Deck option
9 AVSS - GND
10 FEEDF O Control of the loading motor
11 FEEDR O Control of the loading motor
12 S0S1 I Subcode sync signal ( S0 + S1)
13 BUSIN I Interface signal from headunit
14 CDON I ACC ON/OFF signal from
headunit
15 LSTART I Loading start switch
16 MCK2 O Serial data clock of the MP3
Decoder
17 VDD1 - VDD
18 MDATA O Serial data
19 MP3DIN I Data in of the MP3 Decoder
20 MP3MLAT O Latch signal of the MP3 Decoder
21 MP3INT I Data request of the Mp3 Decoder
22 GND - GND
23 NC - NC
24 NC - NC
25 RESET I Low level active system reset
signal
26 X2 - Crystal resonator for main
system clock oscillation
27 X1 - Crystal resonator for main
system clock oscillation
28 GND - GND
29 VDD - VDD
30 ISTAT2 I Internal status of the servo IC
31 JITB - NC
32 RESET2 O MP3 Decoder reset
33 OPTION3 I Interface option
34 MLT O Latch signal of the servo IC
35 SQCK O Subcode-Q data Transferring bit
clock
36 POWERON O Power on request for head
headunit
uPD78F9177AY 052-3930-01
Master Micro computer
Outward Form
44 pins, plastic QFP
Terminal Description
37 GND - GND
38 CDPRES O Servo reset
39 BDATA - NC
40 BUSOUT O Interface signal from headunit
41 MUTE O DSP DAC hardware mute
42 MCK1 O Serial data clock of the servo IC
43 AVDD - VDD
44 AVREF - Reference voltage
Pin No PIN NAME I/O DESCRIPTION Pin No PIN NAME I/O DESCRIPTION