Hitachi P50H401 Service Manual page 60

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.
Group No Item
Front 1 FEC
End
2 Modulation Type
3 IF Error
4 Signal Strength
5 Tuned CH
6 Symbol Rate
7 SNR
8 BER Before Correct
9 BER After Correct
TS 1 Video PID (HEX)
check 2 Audio PID (HEX)
3 PCR PID (HEX)
Video 1 Video Format
Format
2 Frame Rate
3 Aspect Ratio
4 Pan Scan
5 3: 2 Pull-down
6 Resolution
7 Bit Rate / VBV Bf
8 Copy Guard (D)
9 Copy Guard (A)
Audio 1 Sampling Frequency
Format
2 Channel Mode
3 Timing Adjustment
4 Audio Decode
Video 1 Video Output Setup
Output
2 NTSC Output Quality
3 Brightness
4 Contrast
System 1 Rcv Interrupt Rec.
2 Software Version
3 MMC Download
4 Factory Settings
5
Serial No. Confirm
6
MMC/Sniffer Switch
Indicate format or choices
[LOCK] [UNLOCK]
[8VSB], [64QAM] [256QAM]
+/-[xxxxx]Hz
[0-100]
DTV: [xx] ch
CATV-STD: [xx] ch
CATV-HRC: [xx] ch
CATV-IRC: [xx] ch
[xxxxxxx] sym/sec
[xx.xx] dB
[x.xx e-xx]
[x.xx e-xx]
[xxxx]
[xxxx]
[xxxx]
[1080I] [720P] [480P] [480I] [240P] Video format of selected program
[23.97] [24] [29.97] [30] [59.94] [60] Frame rate of selected program
[16:9] [4:3]
H: [Yes] [No]
V: [Yes] [No]
[ON] [OFF]
H: [1920] [1280] [704] [640]
V: [1080] [720] [480]
[xx.xxx] Mbps
[xxxxxx] KB
[Free] [1 time] [Never] [Stop]
CGMS-A: [20bit; HEX 5 digit]
Macrovision: [Yes] [No]
[48 KHz] [44.1KHz] [32KHz]
[MONO] [STEREO] [DUAL] /
MULTI-ST [2/1] [3/0] [2/2] [3/1]
[3/2] [3/2+LFE]
[-2] [-1] [0] [+1] [+2]
[AC3] [MPEG Audio]
[Normal]
[Weak] [Normal] [Strong]
Adjust: [-100 ~ +100%]
Adjust: [-100 ~ +100%]
[List Indication]
Main: [xxxxxxxx]
1394: [xxxxxx]
[List Indication]
-----
Manufacturer ID: [xx]
Model ID: [xx]
Serial No.: [xxxxxx]
Check Sum: [xxxx]
[MMC] [Sniffer]
59
Contents
Status of Forward Error Correction
Modulation type
IF Frequency offset is updated every second
Signal level is scaled from 0 to 100. It is updated every
second.
Tuned physical channel.
Symbol rate is updated every second
Signal to noise ratio is updated every second.
Bit error rate before Reed-Solomon error correction is updated
every second
Bit error rate after Reed-Solomon error correction is updated
every second
Video PID in TS (Transport Stream)
Audio PID in TS
PCR PID in TS
Picture aspect ratio of selected program
Existence of Horizontal/vertical Pan & Scan setting
Status of 3:2 pull-down function
Horizontal and vertical picture resolution in decimal
Video encode bit rate / VBV buffer rate
Copy guard status of digital output ([stop] is not available for
Digital output)
Copy guard status of Analog output
Status of audio sampling frequency
Status of audio channel mode
For AV synchronization, the timing of the down mixing audio
output is adjustable with 5 values.
Status of audio decoding
Status of NTSC video output for VCR recording. Display only
[Normal] as fixed value because the video output only supports
[Normal].
Selection of vertical filter adapted to NTSC video output
Adjustment of brightness control for UD OSD
Adjustment of contrast control for UD OSD
Received Interrupt Record. See Note 1
Software version of module control (Main) and IEEE1394
control (1394)
Download a software from MMC stored file list (See Note 2)
Administration of the factory settings, and initialization of user
and EPG cache.
Display of set of serial number data: manufacturer ID, model
ID, serial No. and check sum.
Selection of MMC socket mode between MMC and Sniffer.
Restored to MMC by initialization of "Factory Settings"
DW3U