New Technology - Hitachi 55PMA550 Service Manual

5. New Technology

[System control micom I001(M3062)]
Pin function table
No. Pin Name
1 OSD_DATA
2 OSD_CLK
3 AC-CLOCK
4 FE.AGC_O
5 DATA_OUT(FC)
6 DATA_IN(FC)
7 CLK(FC)
8 BYTE
9 CNVSS
10 DSUB COMP
11 RGBSW
12 RESET
13 XOUT
14 VSS
15 XIN
16 VCC1
17 NMI
18 RMCON
19 V.FREQ_2
20 V.FREQ_1
21 SCV.SYNC
22 IRQ
23 MCV.SYNC
24 LED_GREEN
25 H.FREQ_2
26 RESERVE
27 H.FREQ_1
28 PDWN
29 SCL1
30 SDA1
31 TXD1
32 RXD1
33 SCLK
34 BUSY
35 TXD2
36 RXD2
37 SDA4
38 SCL4
39 PDPGO
40 CPUGO
41 EPM
42 VIDEO.DET_1
43 VIDEO.DET_2
44 TUNER.DET_1
45 TUNER.DET_2
46 CE
47 SWIVEL.DET
48 INITIALIZE
49 D.RESET
50 DVI-PD
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55PMA550/55HDM71 (PW1)
I/O
O OSD DATA
O OSD CLOCK
I AC CLOCK
O AGC Voltage (F/E)
O FC DATA
I FC DATA
O FC CLOCK
I GND
I CNVSS(FLASH)
O SYNC-SW (AV1-4,D-sub_RGB: L, DVI,D-sub_Component: H)
O SYNC-SW (AV1-4,D-sub_Component: L, DVI,D-sub_RGB: H)
I RESET
O 16MHz OSC.OUT
I GND
I 16MHz OSC.IN
I 5V
I 5V Pull-up
I IR Signal
I SYNC for V.Frequency Detection (Sub Picture)
I SYNC for V.Frequency Detection (Main Picture)
I CVBS for SYNC Detection (Sub Picture)
I PANEL MODULE Condition (L: Normal, H: Error)
I CVBS for SYNC Detection (Main Picture)
O L: LED ON (PowerON/PowerSave), H: LED OFF (Standby)
I SYNC for H.Frequency Detection (Sub Picture)
- NC
I SYNC for H.Frequency Detection (Main Picture)
O RESERVE (LVDS POWER DOWN MODE (Panel)) : Always High
O IIC-BUS CONTROL CLOCK (TUNER PWB)
I/O IIC-BUS CONTROL DATA (TUNER PWB)
O DATA (RS-232C)
I DATA (RS-232C)
I CLOCK (FLASH MEMORY Writing)
O BUSY (FLASH MEMORY Writing)
O RESERVE
I RESERVE
I/O IIC-BUS CONTROL DATA (PDP PANEL)
I/O IIC-BUS CONTROL CLOCK (PDP PANEL)
O PANEL MODULE Start (L: STANDBY, H: ON)
O MPU Recoverly of PANEL MODULE
I EPM (FLASH MEMORY Writing)
I Detecting VIDEO PWB (L: 8pin_PWB, H: No PWB/VIDEO PWB)
I Detecting VIDEO PWB (L: 8pin_PWB/VIDEO PWB, H: No PWB)
I Detecting TUNER PWB (L: ASIA, H: EURO/No PWB)
I Detecting TUNER PWB (L: ASIA/EURO, H: No PWB)
I CE (FLASH MEMORY Writing)
I RESERVE
I Initializing EEPROM (L: INIT, H: Normal)
O RESET (DVI)
O DVI Control (PowerOFF,PowerSave(except DVI): L, PowerON,PowerSave(DVI): H)
7
Function