Kenwood FZDA07ELEF2 Service Manual page 15

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name I/O
36 I2C_SCL O
36 I2C_SCL O
37 I2C_SDL I/O I2C data input/output terminal
37 I2C_SDL I/O I2C data input/output terminal
38 YBK_TXD O
39 VCC1 -
40 YBK_RXD I
41 VSS -
42 YBK_CLK O
43 YBK_MC_REQ O
44 TMC_TXD O
45 TMC_RXD I
46 NC (TMC_DET) -
47 YBK_SC_REQ I
48 N.C. -
49 TAB2_TCK I
50 TAB2_MDT I
51 TAB2_SDT O
52 SP_RST O
52 N.C. -
53 SP_BKUP O
53 N.C. -
54 EMP I
55 DVD_RST O
56 N.C. O
57 VSS -
58 N.C. -
59 VCC2 -
60 HDD_DET I
60 COVER_DET I
61 N.C. -
62 R_SW_1 O
63 R_SW_2 O
64 R_SW_3 O
65 CE I
66 FAN_ON O
Application
I2C clock output terminal
I2C clock output terminal
PC tool (YAMABIKO) communication / Flash
writer TXD
PC tool (YAMABIKO) communication / Flash
writer RXD
PC tool (YAMABIKO) communication / Flash
writer CLK
PC tool (YAMABIKO) communication / Flash
writer BUSY
Data output
Data input
Not used
PC tool (YAMABIKO) communication
Not used
TAB2 communication clock
TAB2 receive data
TAB2 transmit data
Reset to panel µ-com
Not specifi ed in Specifi cation
Power supply output to panel µ-com
Not specifi ed in Specifi cation
Flash re-write mode terminal
DVD mechanism reset terminal
Not used
Not used
Lid detection
Lid detection
Not used
Rear monitor output switching 1
Rear monitor output switching 2
Rear monitor output switching 3
Flash re-write mode terminal
FAN power supply SW
FZDA07ELEF2/EREF2/MRHF2
Truth Value
Processing Operation Description
Table
B/E communication
EEPROM communication
B/E communication
EEPROM communication
BU5V
GND
[E destination] UART 19200bps (19330bps)
[E destination] UART 19200bps (19330bps)
OPEN
OPEN
[A07 system] L: Normal, H: Reset
Immediately after reset, when communication
reset occurs, RESET
[D07 system] OPEN
[A07 system] H: ON
[D07 system] OPEN
Fixed to L (Connected to VSS)
OPEN
GND
OPEN
BU3.3V
[Domestic] HDD rom
[Oversea] DVD rom
OPEN
After PON, set to the video that is equivalent
q
to the audio source
After PON, set to the video that is equivalent
q
to the audio source
After PON, set to the video that is equivalent
q
to the audio source
Fixed to H (Connected to Vcc 2)
Same operations as PON2
15