Hitachi C43-FD7000, Service Manual

Page: 14 / 179

14
CPU
（
I004
）
PIN_FUNCTION
PIN PIN_NAME FUNCTION I/O
1 V HOLD1
Vertical Hold
I
2 HLF1
Filter 1
I/O
3 DM_RXD
Communication RXD
I/O
4 DM_TXD
Communication TXD
I/O
5 P92/TB2IN
NC
I/O
6 IR_IN
REMOTE IR Input
I/O
7 M-S SYNC DET
Sync Detect(M/S)
I/O
8 BYTE
Byte(GND)
I
9 FLASH(CNVSS)
CNVSS （ FOR PROGRAM ）
I
10 P87/XCIN NC I/O
11 P86/XCOUT NC I/O
12 RESET Reset I
13 XOUT OSC Output O
14 VSS VSS(GND) －
15 XIN OSC Input I
16 VCCI
VCCI(+3.3V)
－
17 OSC1/OSCHLF
OSC 1
I
18 OSC2
OSC 2
O
19 POWER LED
Power LED Output
I/O
20 M-S V COUNT IN
NC
I/O
21 OSD BLK
OSD BLK Output
O
22 HALF TONE
OSD Translucence
O
23 M-S V COUNT IN
NC
I/O
24 HDMI DEC OUT
NC
I/O
25 SD SELECT
SYNC SELECT
I/O
26 WDT CLOCK
WDT CLOCK
I/O
27 HV COUNT SELECT
HV Sync Count
I/O
28 SCL2
IIC CLOCK 2
I/O
29 SCL1
IIC CLOCK 1
I/O
30 SDA1
IIC DATA 1
I/O
31 SDA2
IIC DATA 2
I/O
32
OSD_R OSD_R Output
O
33
OSD_G OSD_G Output
O
34
OSD_B OSD_B Output
O
35
TXD
TXD （ FOR PROGRAM ）
I/O
36
RXD
RXD
（
FOR PROGRAM
）
I/O
37
SCL
SCLK
（
FOR PROGRAM
）
I/O
38
BUSY
BUSY
（
FOR PROGRAM
）
I/O
39 SCL3 IIC CLOCK 3 I/O
40 SDA3 IIC DATA 3 I/O
41 FLASH EPM EPM
（
FOR PROGRAM
）
I/O
42 DCU BUSY DCU BUSY Control I/O
43 DCU SIZE DCU SIZE Control I/O
44 MAGIC SW OUT NC I/O
45 MAGIC SW IN NC I/O
46 FLASH (CE) CE
（
FOR PROGRAM
）
I/O
47 CUT OFF OUT CUT OFF Output I/O
48 ABL SW OUT ABL SWITCH Output I/O
49 VMUTE VIDEO MUTE I/O
50 DCU ADJ OUT NC I/O
51 FC DATA IN FC DATA Input I/O
PIN PIN_NAME FUNCTION I/O
52 FC DATA OUT
FC DATA output
I/O
53 FC DATA CLOCK CLOCK
FOR FC
I/O
54 FC ENABLE
FC ENABLE Control
I/O
55 DCU IR OUT
NC
I/O
56 DCU IR SEL
NC
I/O
57 MC LED OUT
MC LED Level Output
O
58 POWER LED OUT
Power LED Level Output
O
59 POWER ON/OFF
Power ON/OFF Control
I/O
60 IRB IR SEL
NC
I/O
61 MC ENABLE
MC MODE ENABLE
I/O
62 OSD H SYNC IN
OSD H SYNC Input
I
63 MC WAKEUP OUT
MC MODE CONTROL
I/O
64 OSD V SYNC IN
OSD V SYNC Input
I
65 SCL5
IIC CLOCK 5
I/O
66 SDA5
IIC DATA 5
I/O
67 28KHz OUT 28KHz Control O
68 TEXT RESET
TEXT RESET
I
69 WSP RESET
WSP RESET
I/O
70 V SQUEEZE OUT
Vertical Squeeze Output
O
71 AUDIO MUTE
AUDIO MUTE Output
I/O
72 KEY OUT(2) KEY OUT(2) I/O
73 AV5 DET
AV 5 Input Detect
I/O
74 AV1 DET
AV 1 Input Detect
I/O
75
KEY OUT(1) KEY OUT(1)
I/O
76 APC OUT
APC CONTROL
I/O
77 PC/OTHER SEL
PC/OTHER SELECT
I/O
78 P12/D10
NC
I/O
79 LIGHT OUT
LIGHT ON/OFF
I/O
80 HP DET
HP DETECT
I/O
81 KEY IN(2) KEY IN(2) I/O
82 KEY IN(1) KEY IN(1) I/O
83
APC(M) Out APC(M) Output
I/O
84 IF SYS1(S) OUT SUB IF SYS1(S) I/O
85 IF SYS1(S) OUT MAIN IF SYS1(M) I/O
86 IF SYS2(M) OUT MAIN IF SYS2(M) I/O
87 IF SYS2(S) OUT SUB IF SYS2(S) I/O
88 IR RESET IR BLASTER RESET I/O
89 AGC IN (S) SUB AGC Input I/O
90 AGC IN (M) MAIN AGC Input I/O
91 DIP DETECT NC I/O
92 SUB AFC IN SUB AFC Input I/O
93 MAIN AFC IN MAIN AFC
Input
I/O
94 AD KEY IN AD_KEY IN I/O
95 - - -
96 - - -
97 - - -
98 - - -
99 VCCE VCCE(5V) I
100 - - -