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Very fast service, best quality of the service manual and the schematics
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This service manual of the old video cassette recorder VT-LC50EM is very good readable even the tiniest numbers (i.e. IC-pins). The circuits are very clear. Many details of the schematic are very good described but in GERMAN language. Many schematic details - but complete at all. Common background information of several details are enclosed and physical knowledge of the TFT liquid crystal display for example. The manual lacks PCB drawings. If you understand german I would recommend this manual for you.
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Hi, this is a very clear manual, nice copy, not quite up to the standard of the very best available but better than many others. I think the price was especially fair for a hard to find manual and I would certainly use this manual seller again. Recommended.
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This schema available for me in good condition. I would highly recommend.
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Thanks for this "hard to find" service manual.
I apreciate the good quality of scanning and the pages scanned in A3 format.
KRF-V6060D/V7060D/V8060D/X9060D/VR-6050/6060/6070
CIRCUIT DESCRIPTION
6-3 96kHz 24Bit DIR : AK4112BVF (X08, IC2)
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 Pin Name DVDD DVSS TVDD TX XTI XTO PDN R AVDD AVSS RX1 RX2 RX3 RX4 AUTO P/S FS96 ERF LRCK SDTO BICK DAUX MCK02 MCK01 CSN CCLK CDTI CDTO I/O O I O I I I I I O I O O I/O O I/O I O O I I I O Pin Description Digital power supply pin. (3.3V) Digital ground pin. Input buffer power supply pin. (5.0V) Transmit channel (through data) output pin in serial mode. X'tal input pin. X'tal output pin. (Open) Power down mode pin. When "L", the AK4112B is powered-down and reset. External resistor pin. Analog power supply pin. Analog ground pin. Receiver channel 1 This channel is selected in parallel mode or default of serial mode. Receiver channel 2 in serial mode. Receiver channel 3 in serial mode. Receiver channel 4 in serial mode. Non PCM detect pin. "L" : No detect, "H" : Detect (Open) Parallel/Serial select pin. "L" : Serial mode, "H" : Parallel mode (Analog ground) 96kHz sampling detect pin. (RX Mode) "H" : fs=88.2kHz or more, "L" fs=54kHz or less. (X'tal Mode) "H" : XFS96=1, "L" : XFS96=0. Unlock & Parity Error output pin. "L" : No error, "H" : Error Output channel clock pin. Audio serial data output pin. Audio serial data clock pin. Auxiliary audio data input pin. (Analog ground) Master clock #2 output pin. (Open) Master clock #1 output pin. Chip select pin in serial mode. Control data clock pin in serial mode. Control data input pin in serial mode. Control data output pin in serial mode.
6-4 96kHz 24Bit CODEC & DAC : AK4529-VQ (X08, IC4)
Pin No. 1 2 3 4 5 6~8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Pin Name SDOS I2C SMUTE BICK LRCK SDTI (1~3) SDTO DAUX DFS SDTI4 DZFE TVDD DVDD DVSS PDN TST CAD1 CAD0 LOUT4 ROUT4 LOUT3 ROUT3 I/O I I I I I I O I I I I O O O O Pin Description SDTO Source Select Pin (unused) Control Mode Select Pin (unused) Soft Mute Pin (Unused) Audio Serial Data Clock Pin Input Channel Clock Pin DAC(1~3) Audio Serial Data Input Pin Audio Serial Data Output Pin AUX Audio Serial Data Input Pin (GND) Double Speed Sampling Mode Pin (GND) DAC4 Audio Serial Data Input Pin (GND) Zero Input Detect Enable Pin (GND) Output Buffer Power Supply Pin (+3.3V) Digital Power Supply Pin (+5.0V) Digital Ground Pin Power Down & Reset Pin Test Pin (GND) Chip Address 1 Pin (GND) Chip Address 0 Pin DAC4 Center Channel Output Pin DAC4 SW Channel Output Pin DAC3 SBL Channel Output Pin DAC3 SBR Channel Output Pin
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