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let's say first that i do not need to have a credit for my opinion, i am a retired sparkie and i voluteerd to fix an electronic device for a local "Youthgroup",as no diagram was present i checked the "net" and gambled on this site and paying some fee via PayPall, i was gladly surprised that the manual arrived as was stated, GOOD SHOW, and best wishes, John
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I had been looking for a Manual for my CS2150 for quite a while -- in fact I had just about given up. I saw this site and decided to download the Manual. When I Received it by Email I was really pleased with what I got, with the result that My Kenwood 'Scope is now 100% repaired and working well. As an AV Serviceman, you need a good 'scope, and thanks to this site, and the Service Manual, I have been able to repair it. The Manual was a copy of the Factory Original and the copy was very clear, especially in the area of the Circuit Schematics, where You really need to be sure of what You are looking at.
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I recently purchased a manual for a Samsung DLP tv to help with a trouble shooting problem I was having. Every tv repair shop wanted close to $400.00 for the fix, but after I found Owner-Manuals.com I hit pay dirt. The manual they had for me to purchase and download was a complete service manual for the exact tv I needed. It was complete with wiring diagrams, schematics, and even part numbers. If your the fix it yourself type I highly recommend trying to find any manual here before paying someone else to fix whatever problem your having.
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Once again, excellent price and manual delivered in a timely manner and as advertised!
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Outstanding quality manual. This is the exact documentation I needed to service my AKAI GX-210D. This is a PERFECT COPY of the service manual for my machine. Outstanding service. Thank-you!
IC, LA9241ML Pin No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
Pin Name
FIN2 FIN1 E F TB TE� TE TESI SCI TH TA TD� TD JP TO FD FD� FA FA� FE FE� AGND SP SPI SPG SP� SPD SLEQ SLD SL�
I/O
I I I I I O O I I I O I O I O O I O I O I � O I I I O I O I
Description
Connected to pickup photo-diode. Adding with FIN1 pin generates RF signal, and subtracting from FIN1 generates FE signal. Connected to pickup photo-diode. Connected to pickup photo-diode. Subtracting from F pin generates TE signal. Connected to pickup photo-diode. Input DC components of TE signal. Connected to TE pin with resistor set TE signal gain. Output TE signal. Input TES (TRACK ERROR SENSE) comparator. Band pass and input TE signal. Input shock detection. Establish tracking gain value. TA amplifier output. Compose tracking phase compensation value between TD and VR pins. Used for tracking phase compensation setting. Establish amplitude of tracking jump signal (kick pulse). Output tracking control signal. Output focusing control signal. Compose focusing phase compensation value between FD and FA pins. Compose focusing phase compensation value between FD� and FA� pins. Compose focusing phase compensation value between FA and FE pins. Output FE signal. Connected to FE pin with resistor set FE signal gain. Analog GND. Output single-end for CV+ and CV� pins input signal. Spindle amplifier input. Connect resistor for gain setting at spindle 12cm mode. (Not used) Connect spindle phase compensation value with SPD pin. Output spindle control signal. Connect sled phase compensation value. Output sled control signal. Input sled sending signal from DSP.
Pin No.
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
Pin Name
RFSM RFS� SLC SLI DGND FSC TBC NC DEF CLK CL DAT CE DRF FSS VCC2 REF1 VR LF2 PHI BHI LDD LDS VCC1
I/O
O O O I � O I � O I I I I O I � � O � � � O I � Output RF.
Description
Establish RF gain and 3T compensation value from EFM signal with RFSM pin. SLICE LEVEL CONTROL: Control data slice level by DSP with RF waveform. Control data slice level by DSP. Digital GND. Connected to focus search smoothing capacitor. TRACKING BALANCE CONTROL: Establish EF balance variable range. Not used. Output disc defect detection. Input reference clock. Inputs 4.23MHz from DSP. Input microcomputer command clock. Input microcomputer command data. Input microcomputer command chip enable. Detect RF: Output RF level detection. FOCUS SEARCH SELECT: Switches focus search mode (between ± search and + search against reference voltage). (Not used) Servo/digital VCC. Connected to reference voltage bypass condenser. Output reference voltage. Establish value in detecting disc defect. Connected to capacitor used to hold peak of RF signal. Connected to capacitor used to hold bottom of RF signal. APC-circuit output pin. APC-circuit input pin. RF VCC.
SL+ JP� I JP+ TGL TOFF TES HFL SLOF CV� I CV+ Input CLV error signal from DSP. I I O O I Input tracking gain control signal from DSP. TGL = "H" : Gain low. Input tracking off control signal from DSP. TOFF = "H" : Off. Output TES signal to DSP. HIGH FREQUENCY LEVEL: Detects whether main-beam is on pit or mirror position. Input sled servo off control. Input tracking jump signal from DSP.
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