Aiwa XP-SP30, Руководство по обслуживанию

Страница: 21 / 30

21
XP-SP30
5-10. IC PIN FUNCTION DESCRIPTION
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42 to 56
57 to 60
61 to 65
66
67
68
69
70
71
I/O
—
I
O
I
—
I
O
I/O
I
I
I
I
O
O
O
I
O
O
—
—
I
I
I
I
I
I
I
I
O
O
I/O
—
I
I
I
I
I
I
I
I
O
O
O
O
O
O
I
O
O
I
Description
Ground terminal (digital)
System clock input from CXD3048R(IC402)
Not used (open)
Test pin (normally connected to ground)
Power supply terminal (d2V)
4M/64M DRAM select pin (connected to VDD1)
Not used (open)
System reset signal input from BH6580KV(IC201) (“L”:reset)
Focus OK signal input from CXD3048R(IC402) (“L”:NG, “H”:OK)
Not used (open)
Subcode sync detection signal input from CXD3048R(IC402)
Not used (open)
Analog muting ON/OFF control signal output (“H”:muting ON)
Serial data output enable signal output to CXD3048R(IC402)
serial data latch pulse signal output to CXD3048R(IC402)
Serial data input from CXD3048R(IC402)
Serial data output to BH6580KV(IC201) and CXD3048R(IC402)
Serial data transfer clock output to BH6580KV(IC201) and CXD3048R(IC402)
Power supply terminal (2V)
AD converter port reference voltage (connected to AVDD)
Battery charging voltage detection signal input from BH6580KV(IC201)
Battery voltage detection signal input
Key input terminal
Optical out plug in detection signal input (fixed at ”H”)
Key input terminal
Remote control key input (fixed at ”L”)
DC IN voltage detection input terminal also using detection of DC IN existence
CD DOOR OPEN/CLOSE detection switch(S303) signal input
Not used (open)
Beep sounds output terminal to TA2120FN(IC701)
Communication data bus input or output to the remote control (Not used)
Not used
Not used (fixed at ”H”)
Not used (fixed at ”H”)
Not used (fixed at ”L”)
Not used (fixed at ”H”)
Not used (fixed at ”H”)
E•A•S•S GP switch(S305) signal input (“H”:ON, “L”:OFF)
Not used (fixed at ”L”)
HOLD switch(S304) signal input terminal
Not used (open)
LCD segments drive signal output
LCD common drive signal output
Capacitor connection terminal for LCD drive voltage step-up
WAKE-UP control signal output (signal for reset the condition of the system stand-by) (“L”:Wake)
Not used
Not used
Not used
AGC control pulse output to BH6580KV(IC201)
Not used (connected to ground)
Pin Name
GND
XIN
XOUT
TEST
VDD1
DRAM_SEL_I
NC
RESET_I
FOK_I
NC
SCOR_I
DRSCOR_I
AMUTE_O
XSOE_O
XLAT_O
MSDTI_I
MSDTO_O
MSCK_O
AVDD
ADVREF
AD_CHGMNT
AD_BATMNT
AD_KEY2
AD_SEL
AD_KEY
AD_RMKEY
AD_DCINMNT
CLOSE
PPG
BEEP_O
TSB_I/O
VDD_EEPROM
EXTBATT_I
TEXTSKIP_I
DIG_TU_I
RCHG2/1_I
XSTAND_ON_I
ESP_I
AVLS_I
HOLD_I
SEG15
SEG14 to SEG0
COM3 to COM0
V3 to V1,C1,C0
XWAKEUP_O
PGM_SDTO
PGM_SDTI
PGM_SCK_O
CD_ON
GFS_I
• IC301 T5AW5-4RR7 (SYSTEM CONTROLLER)