Hitachi 55HDM71 - 55" Plasma Panel, Service Manual

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