Panasonic CQC8100U - AUTO RADIO/CD DECK, Service Manual

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Pin
No.
Port Description (I/
O)
(V)
FM AM CD
1 PANEL_OPENPANEL OPEN
detection
I 0 5.2 5.2
2 PANEL_CLOSE PANEL CLOSE
detection I 0 0 5.2
3 NC No Connection - - - -
4 BATT BATT detection I 4.8 5 5
5 ACC ACC detection I 4.8 5 5
6 SDA Electronic VOL
data I/O 4.9 4.9 4.9
7 SCK Electronic VOL
clock O 4.9 4.9 4.9
8 NC No Connection O - - -
9 Vss Power supply
GND I 0 0 0
10 ST FM_ST
detection I 5.1 5.2 5.2
11 PLL_DI(MO) PLL data output O 0.6 0 0
12 PLL_DO(MI) PLL data input I 5.2 5.2 5.2
13 PLL_CLK PLL clock
output O 4.9 4.9 4.9
14 PLL_CE PLL chip
enable output O 0 0 0
15 CD_RST CD deck reset
output O 4.9 4.9 4.9
16 SUB_SI SUB_u-com
Data trans SO 0.6 0.6 0.8
17 NC No Connection - - - -
18 SUB_SO SUB_u-com
data recept SI 4.4 4.4 4.4
19 CD_SO(MI)/
UP_SO
CD_Data recept/
FLASH_W SO SI 1.6 1.6 1.6
20 CD_SCK/
UP_CLK
CD clock
transmit/
FLASH_W CLK
SCK 4.9 4.9 4.9
21 Vdd Power supply I 4.9 4.9 4.9
22 CD_SI(MO)/
UP_SI
CD_Data
transmit/
FLASH_W SI S0 0 0 0
23 NC No Connection - - - -
24 CDC_CLK Clock recept
from Changer
SCK
0 0.4 0
25 CONDENSORCapacitor for
power supply
- 3.3 3.3 3.3
26 CDC_DATA Data recept
from Changer
SI 0 0 0
18