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Complete manual with clear schematic diagrams and printed circuit board layouts of two variants of the headset and the transmitter an old and a new version.
Also shows how the headset and the transmitter is opened and how transmitter and receivers can be adjusted and where to measure.
I had no problems to repair the headset using this service manual.
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Excellent printing quality. A complete and very useful manual with all details.
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This is a great site. I placed my order and by the next am it was available for download. Had some problems with some missing copy on some pages. Once I brought the error to the OMC's attention, the issue was resolved. I'll come back again.
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Mi spiace per non poter scrivere in inglese... ma sono veramente soddisfatto del servizio offerto. Grazie..!!
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The quality of this manual is good. It has all schematics and setup information for both the MDS-B3 and the MDS-B4. The scan quality is quite good, all pages are readable, This service manual also contains scans of the operating instructions from the User manual.
HCD-LF1
[1] LD [2] Focus [3] SPDL [4] CLVA [5] Trk. [6] Sled [7] FCS. Srch [8] FCS. OppL
Turn on/off the laser. Search the focus and turn on the focus. Turn on/off the spindle. Turn on/off normal servo of spindle servo. Turn on/off the tracking servo. Turn on/off the sled servo. Turn on/off the focus search. Turn on/off the focus search to another (opposite) layer of designated layer in Disc Type setting. (dual layer disc only) [0] : All servo off. [b ] Sled FWD (right cursor) : Move the sled forward. [B ] Sled REV (left cursor) : Move the sled reverse. [V ] Sled FWD (up cursor) : Reset the sled. [v ] Sled REV (down cursor) : Limit in the sled.
: : : : : : : :
[1] Focus Offset : Adjusts focus offset. [2] Focus Gain : Adjusts focus gain. [3] TRK. Offset : Adjusts tracking offset of the RF amp (IC001) side. [4] TRK. Offset : Adjusts tracking offset of the DSP (IC509) side. [5] TRK. Gain : Adjusts track gain. [6] EQ Boost: Adjusts amount of boost of equalizer. [0] : All servo off. 2-5. EEPROM Write Adjust
EEPROM Write Adjust 1. 2. 3. 4. 5. 6. Focus Offset Focus Gain Trk. Offset Coarse -------------------Trk. Gain EQ Boost
2-3. Track/Layer Jump
Track/Layer Jump FWD REV Fine FWD Fine REV Dirc FWD Dirc REV Dirc FWD Dirc REV
1. 1Tj 2. 1Tj 3.500Tj 4.500Tj 5.10kTj 6.10kTj 7.20kTj 8.20kTj
0.All Servo Off
Exit: RETURN
On this screen, each item can be adjusted automatically. Select the desired number 1 �R� to 6 �R� from the remote commander, and selected item is adjusted automatically.
0. All Servo Off Exit: RETURN
[1] Focus Offset : Adjusts focus offset. [2] Focus Gain : Adjusts focus gain. [3] TRK. Offset : Adjusts tracking offset of the RF amp (IC001) side. [5] TRK. Gain : Adjusts track gain. [6] EQ Boost : Adjusts amount of boost of equalizer. [0] : All servo off. 2-6. Memory Check Display images are shown as follows, and all two screens are able to switch by the V �R� key (UP) or v �R� key (DW).
EEPROM Data 1/2 CD Focus Gain xx Trk. Gain xx Focus Offset xx Trk. Offset xx EQ. Boost xx PI Level xx Fcs. Balance -Jitter xx Mirror Time xx FE Level -Traverse Lv1. -Next:DW Default:CLR SL xx xx xx xx xx xx xx xx xx xx xx L0 L1 xx xx xx xx xx xx xx xx xx xx ----xx xx xx -----Exit:RET
On this screen, track jump, etc. can be performed. Only for the DVD dual layer disc, the focus jump and layer jump are displayed in the right field [1] 1Tj FWD [2] 1Tj REV [3] 500Tj FWD [4] 500Tj REV [5] 10kTj FWD [6] 10kTj REV [7] 20kTj FWD [8] 20kTj REV [0] : 1 track jump forward. : 1 track jump reverse. : 500 track jump (fine search)forward. : 500 track jump (fine search) reverse. : 10k track jump (direct search) forward. : 10k track jump (direct search) reverse. : 20k track jump (direct search) forward. : 20k track jump (direct search) reverse. : All servo off.
2-4. Non EEPROM Write Adjust Non EEPROM Write Adjust 1. 2. 3. 4. 5. 6. Focus Focus Trk. Trk. Trk. EQ Boost Offset Gain Offset Coarse Offset Fine Gain
0.All Servo Off
Exit: RETURN On this screen, each item can be adjusted manually. Select the desired number 1 �R� to 6 �R� from the remote commander, and current setting for the selected item will be displayed, then increase or decrease numeric value with the B �R� key or b �R� key. This value is stored in the EEPROM. If CLV has been applied, the jitter is displayed for reference for the adjustment.
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