Hitachi P50H401/DW3, Service Manual

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Group No Item Indicate format or choices Contents
1 FEC [LOCK] [UNLOCK] Status of Forward Error Correction
2 Modulation Type [8VSB], [64QAM] [256QAM] Modulation type
3 IF Error +/-[xxxxx]Hz IF Frequency offset is updated every second
4 Signal Strength [0-100] Signal level is scaled from 0 to 100. It is updated every
second.
5 Tuned CH DTV: [xx] ch
CATV-STD: [xx] ch
CATV-HRC: [xx] ch
CATV-IRC: [xx] ch Tuned physical channel.
6 Symbol Rate [xxxxxxx] sym/sec Symbol rate is updated every second
7 SNR [xx.xx] dB Signal to noise ratio is updated every second.
8 BER Before Correct [x.xx e-xx] Bit error rate before Reed-Solomon error correction is updated
every second
Front
End
9 BER After Correct [x.xx e-xx] Bit error rate after Reed-Solomon error correction is updated
every second
1 Video PID (HEX) [xxxx] Video PID in TS (Transport Stream)
2 Audio PID (HEX) [xxxx] Audio PID in TS
TS
check
3 PCR PID (HEX) [xxxx] PCR PID in TS
1 Video Format [1080I] [720P] [480P] [480I] [240P] Video format of selected program
2 Frame Rate [23.97] [24] [29.97] [30] [59.94] [60] Frame rate of selected program
3 Aspect Ratio [16:9] [4:3] Picture aspect ratio of selected program
4 Pan Scan H: [Yes] [No]
V: [Yes] [No] Existence of Horizontal/vertical Pan & Scan setting
5 3: 2 Pull-down [ON] [OFF] Status of 3:2 pull-down function
6 Resolution H: [1920] [1280] [704] [640]
V: [1080] [720] [480] Horizontal and vertical picture resolution in decimal
7 Bit Rate / VBV Bf [xx.xxx] Mbps
[xxxxxx] KB Video encode bit rate / VBV buffer rate
8 Copy Guard (D) [Free] [1 time] [Never] [Stop] Copy guard status of digital output ([stop] is not available for
Digital output)
Video
Format
9 Copy Guard (A) CGMS-A: [20bit; HEX 5 digit]
Macrovision: [Yes] [No] Copy guard status of Analog output
1 Sampling Frequency [48 KHz] [44.1KHz] [32KHz] Status of audio sampling frequency
2 Channel Mode [MONO] [STEREO] [DUAL] /
MULTI-ST [2/1] [3/0] [2/2] [3/1]
[3/2] [3/2+LFE] Status of audio channel mode
3 Timing Adjustment [-2] [-1] [0] [+1] [+2] For AV synchronization, the timing of the down mixing audio
output is adjustable with 5 values.
Audio
Format
4 Audio Decode [AC3] [MPEG Audio] Status of audio decoding
1 Video Output Setup [Normal] Status of NTSC video output for VCR recording. Display only
[Normal] as fixed value because the video output only supports
[Normal].
2 NTSC Output Quality [Weak] [Normal] [Strong] Selection of vertical filter adapted to NTSC video output
3 Brightness Adjust: [-100 ~ +100%] Adjustment of brightness control for UD OSD
Video
Output
4 Contrast Adjust: [-100 ~ +100%] Adjustment of contrast control for UD OSD
1 Rcv Interrupt Rec. [List Indication] Received Interrupt Record. See Note 1
2 Software Version Main: [xxxxxxxx]
1394: [xxxxxx]
Software version of module control (Main) and IEEE1394
control (1394)
3 MMC Download [List Indication] Download a software from MMC stored file list (See Note 2)
4 Factory Settings ----- Administration of the factory settings, and initialization of user
and EPG cache.
5
Serial No. Confirm Manufacturer ID: [xx]
Model ID: [xx]
Serial No.: [xxxxxx]
Check Sum: [xxxx]
Display of set of serial number data: manufacturer ID, model
ID, serial No. and check sum.
System
6
MMC/Sniffer Switch [MMC] [Sniffer] Selection of MMC socket mode between MMC and Sniffer.
Restored to MMC by initialization of “Factory Settings”
DW
3
U
MAINTENANCE MODE ITEM'S DESCRIPTION TABLE.
In the Adjustment mode menu there is the Maintenance Mode sub-Menu of the Digital Module. It is useful for
system diagnostics. The next table gives a brief explanation of its items.