Hitachi 61HDX98B Manual page 48

DP-85 CHASSIS SLAVE MICROPROCESSOR I-001 PIN/PORT DESCRIPTION
Pin No. ID Port Identification
36 CVIN Reset
37 P31 CLOCK
38 P30 DATA
39 P03 ENABLE
40 P16 Headphone SEL Det
41 P15 LOCK
42 SDA2 SDA
43 SDA1 SDA
44 P67 Auto
Convergence SW
45 SCL2 SCL
46 P66 P.BLK.
47 SCL1 SCL
48 P65 Data
49 P10 KEYIN
50 P20 KEYIN
53 P20 Power ON/OFF
54 P62 Clock
55 P07 Auto Convergence Size
56 P61 V.MUTE
57 P06 Auto
Convergence Busy
58 P60 UV/IQ
59 P05 HOR. Det
60 P04 Run Supply Det.
61 OSC Blk OSD (Blk)
62 B OSD (B)
63 G OSD (G)
64 R OSD (R)
Reset active Low. Reset by I003 during first AC power application and by Q026 when the DM-1 module resets the Slave Microproc-
essor.
Clock for the PinP Tuner data communications
Data for the PinP Tuner for Channel change, Programmable Divider, band selection, etc..
Enables the reception of data by the PinP Tuner
Active Low detects the insertion of the Headphone Jack
Notifies the Slave Micro by a Low, when the PinP tuner PLL Phase Detector is locked
Data for controlling the 1H Video, 2.14 Video Processor, PinP, LFE/Center Audio Control, Headphone/Rear Audio Control, 3DYC
and Deflection IC's.
Data for the PinP/Front audio controller and AV switch IC
When the Magic Focus switch is pressed, the DM-1 module notifies the Slave Micro.
Then the Slave Micro outputs a high from this pin to the DCU to start Magic Focus.
Clock for controlling the 1H Video/Chroma, 2.14 Video Processor, PinP, LFE/Center Audio Control, Headphone/Rear Audio Control,
3DYC and Deflection IC's.
(Not Used)
Clock for the PinP/Front audio controller and AV switch IC
Data to control the Front L/R and Center Graphic Equalizer
Not Used.
Notification of the OEM in which the chassis is used. Diode D002 identifies it as Hitachi by feeding back Key Out2 pulses from pin
38.
When the DM-1 Module instructs the Slave Micro. to turn ON, this output goes high
Clock for data communications to control the Front L/R and Center Graphic Equalizer
When Magic Focus is initialized or run, the deflection size is widened to guarantee light strikes the Photo cells.
Mutes Audio and Video through Q008 and Q010 to Sub Video and Surround PWB during channel change
Whe the DCU is activated by the Service Only switch, this pin is notified via Q002. After notification,
the Slave Microprocessor notifies the DM-1 module via data to ignore Infrared commands.
Not Used.
Receives a High when the 130V line is drawing excessive current. Shuts off relay.
(Not Used)
Outputs a pulse slight wider and in time with the OSD characters to clean up video where character will be displayed.
Outputs Blue characters for the Service Menu
Outputs Green characters for the Service Menu
Outputs Red characters for the Service Menu
Function Active
Low
Data
Data
Data
Low
Low
Data
Data
High
Data
n/a
Data
Data
n/a
Data
High
Data
High
High
High
n/a
High
n/a
Pulse
Pulse
Pulse
Pulse