IstruzClockS-Z

Attenzione, sono indicazioni indicative ! non possiamo conoscere i dettagli di ogni apparecchio

Frequenza di clock	22,5792 MHz
Convertitore	SONY CXD 2561

The Crystal unit X327 is placed approximately on the middle of the Main Board. Remove this Crystal unit, along with C325 and C326, located right next to the crystal. Connect LClock Out (Red twisted wire) to the PCB solder pad of the Crystal unit, closest to the rear panel. Connect LClock Gnd (Blue twisted wire) to the PCB solder pad of C326, closest to the rear panel. Connect LClock +12V (Red single wire) to JW61, approximately 5 cm in front of the mains transformer.

Frequenza di clock	16,9344 MHz
Convertitore	Burr Brown PCM 58

The Crystal unit is placed under the bottom cover, remove the bottom cover of the CD enclosure, and gently take out the PC Board in the CD player enclosure's right hand side. You have to unscrew the 6 screws holding it. The Crystal unit is designated X401, remove it from the PC Board. Connect pin 13 and 14 on the nearby IC 74HCU04. Remove the resistor with designator 'OSC', Connect LClock Out (Red twisted wire) to the PCB solder pad of the 'osc' resistor closest to the 74HCU04. Connect LClock Gnd (Blue twisted wire) to pin 7 of IC'a 74HCU04. Connect LClock +12V (Red single wire) to IC416, left PCB solder pad, (input), when you read the '7805' text correctly.

Frequenza di clock	45,158 MHz
Convertitore	SONY CXD 2562 Q

Remove the top cover of the CD player enclosure, by Removing the four topscrews and the four sidescrews. The Crystal unit is easily located, about 6 cm. behind the RCA LINE OUT plugs. Unscrew the 4 screws, holding the Main Board, and also the two screws, holding the LINE plugs on the rear panel. Squeeze the two plastic fasteners carefully, so the Main Board can be gently lifted out of the CD player enclosure. Pull the two flexcables gently out of their sockets, and flip the PC Board towards the rear panel. Remove the Crystal unit X331, and the two capacitors C320 and C321. Connect LClock Out (Red twisted wire) to the pcb solder pad of X331, closest to the rear panel. Connect LClock Gnd (Blue twisted wire) to the pcb solder pad of C321, furthest away from the CD transport. Connect LClock +12 V (Red single wire) to JW112, it is a wire jumper, placed right next to the largest electrolytic capacitor on the PC Board, by the rear panel. Remember to replug the two flex cables.

Frequenza di clock	45,158 MHz
Convertitore	SONY CXD 2562 Q
OP originali	6x JRC5532
Moduli 825 sostitutivi	6x tipo 1

Remove the top cover of the CD player enclosure, by Removing the four topscrews and the four sidescrews. The Crystal unit is easily located, on the middle of the D/A Circuit Board in the right side of the CD player. It is a relatively small crystal unit, wound in black textile tape. Actually there are two crystals on this board, but only the one on the middle of the board is to be removed. The one by the front plate should stay in the circuit. Loosen the D/A Circuit Board by removing the three screws on each side. Gently tilt it out of the enclosure, in order to access the solder side. Remove the crystal unit 'X621' and short circuit C621, right next to the crystal unit, now removed. Remove L622, found a little towards the front plate. Connect LClock Out (Red twisted wire) to the pcb solder pad of L622, closest to the front panel. Connect LClock Gnd (Blue twisted wire) to the pcb solder pad of C621, any pin (You just shorted it, did'nt You?). Connect LClock +12 V (Red single wire) to IC901, in the Power Supply, use the pin closest to the CD transport.

Frequenza di clock	45,158 MHz
Convertitore	SONY CXD 2562 Q

Remove the top cover of the CD player enclosure, by Removing the four topscrews and the four sidescrews. The Crystal unit is easily located, on the middle of the D/A Circuit Board in the right side of the CD player. It is a relatively small crystal unit, wound in black textile tape. It is sitting some 3 cm. (1 inch) closer to the CD transport, than the big electrolytic Capacitor. Actually there are two crystals on this board, but only the one on the middle of the board is to be removed. The one by the front plate should stay in the circuit. Loosen the D/A Circuit Board by removing the three screws on each side. Gently tilt it out of the enclosure, in order to access the solder side. Remove the crystal unit 'X602' and the companion caps C627 and C628, right next to the crystal unit, now removed. Connect LClock Out (Red twisted wire) to the pcb solder pad of X602, closest to the front panel. Connect LClock Gnd (Blue twisted wire) to the pcb solder pad of C627, furthes away from the CD transport. Connect LClock +12 V (Red single wire) to IC405, pin 7.

Frequenza di clock	45,158 MHz
Convertitore	2x SONY CXD2552 BQ

Remove the top cover by unscrewing the 6 screws on the top of the CD player enclosure. Also remove the bottom plate, by unscrewing the screws. The Crystal unit is placed on the converter PC Board, youll find it on the bottom right hand side of the CD player enclosure. The Crystal unit is placed on the middle in the end of the PC Board closest to the frontpanel. It is a rather small Crystal, wrapped with black textile tape. Remove the converter PC Board by unscrewing the three screws on each longside of the PC Board. Remove carefully the Crystal unit X601, and the capacitors C631 and C632, placed right next to the Crystal unit. Connect LClock Out (Red twisted wire) to the X601 PCB solder pad on the converter Board, closest to the CD player rear panel. Connect LClock Gnd (Blue twisted wire) to the PCB solder pad of C632, closest to the rear panel of the CD player enclosure. Connect LClock +12V (Red single wire) on the closest (to LClock) corner of the power supply PC Board. There is two thick red wires going from the correct terminal on the solder side. On the component side there is a '+15V' mark.

Frequenza di clock	45,158 MHz
Convertitore	2x SONY CXD 2562

Remove the top cover by unscrewing the 6 screws on the top cover of the CD player enclosure. The Crystal unit is placed on the converter PC Board on right hand side of the CD player enclosure. It is a rather small Crystal unit, wrapped in black textile tape, you will find it approximately 3 cm. towards the fronpanel starting by the two large electrolytic capacitors on the middle of the PC Board. Actually there is two Crystal units on this PC Board, the other one sitting at the front panel, is used to recreate a nice 16,9 MHz clock to control the CD transport, but we dont want to tamper with this crystal in the LClock upgrade. (The slave 16.9 MHz is derived from the precise LClock'ed 45.158 MHz divided by 3). Remove the converter PC Board by unscrewing the three screws on each side of the Board. Carefully unplug the PCB connectors on half of the PC Board, closest to the front panel. You dont have to worry about the refitting of these plugs, they only fit together in one way, the right one! Also remove the black ground wire, screwed right next to the crystal unit. Remove carefully the Crystal unit X602, and the capacitors C613 and C614, sitting next to the Crystal unit. Connect LClock Out (Red twisted wire) to the X602 solder pad on the converter PC Board, furthest away from the CD transport. Connect LClock Gnd (Blue twisted wire) to the PCB solder pad of C614, closest to the frontpanel. Connect LClock +12V (Red single wire) to IC416, left PCB solder pad, when you can read the text on the component correctly.

Frequenza di clock	45,158 MHz
Convertitore	SONY CXD 2562Q / CXA 8042AS
OP originali	NE5532 / AD712
Moduli 825 sostitutivi	4x tipo 1

Remove the top cover, by unscrewing the 6 black screws on the top. Remove the right hand sidepanel, by unscrewing the four screws on the outside, and three internally. The Crystal unit is placed on the PC Board in the right hand side approximately board midpoint. Remove the PC Board from the CD player enclosures right hand side. The Crystal unit has the designator X602, remove it, along with the two capacitors C611 and C612 Remove the SMD IC IC604, it is placed right beneath the Crystal unit, on the solder side. Short circuit pins 6 and 7 of IC604 with a solder bubble. Connect LClock Out (Red twisted wire) to X602, the PCB solder pad closest to the PC Boards right hand edge, when you have a front panel view. Connect LClock Gnd (Blue twisted wire) to C611, the PCB solder pad closest to the PC Boards right hand edge, when you have a front panel view. Connect LClock +12V (Red single wire) to JW632, it is a wire jumper, placed between the two large electrolytic cans on the PC Board.

Frequenza di clock

45,158 MHz

Convertitore

SONY CXD 2562Q / CXA 8042AS

Remove the top cover, by unscrewing the 4 black screws on the top, and the 2 on each side. Remove the supporting metal bar, going from front to rear panels. Done by unscrewing the 2 screws by the front and rear. Drill holes for the LClock XO in this bar, with a distance of 66 mm. (2.60 inch). This way the XO Clock will hang head down, in the right position to feed clock signals into the CD player. The original crystal unit 'X321' is to be found, about midways on the right hand side of the main Circuit Board. Remove X321, along with its companoin capacitors C323 and C324. Connect LClock Out (Red twisted wire) to C323, the PCB solder pad closest to the CD transport. Connect LClock Gnd (Blue twisted wire) to C323, the other PCB solder pad. Connect LClock +12V (Red single wire) to JW632, it is a wire jumper, placed between the two large electrolytic cans on the PC Board.

Frequenza di clock	45,158 MHz
Convertitore	SONY CXD 2562Q / CXA 8042AS
OP originali	OPA 2604 / OPA 2132
Moduli 825 sostitutivi	4x tipo 1

Remove the top cover, by unscrewing the 6 black screws on the top. Remove the right hand sidepanel, by unscrewing the four screws on the outside, and three internally. The Crystal unit is placed on the PC Board in the right hand side approximately board midpoint. Remove the PC Board from the CD player enclosures right hand side. The Crystal unit has the designator X602, remove it, along with the two capacitors C611 and C612 Remove the SMD IC IC604, it is placed right beneath the Crystal unit, on the solder side. Short circuit pins 6 and 7 of IC604 with a solder bubble. Connect LClock Out (Red twisted wire) to X602, the PCB solder pad closest to R534. Connect LClock Gnd (Blue twisted wire) to C611, the PCB solder pad closest to R534. Connect LClock +12V (Red single wire) to JW633, it is a wire jumper, placed between the two electrolytic cans on the rear end of PC Board. (C627 and C628).

Frequenza di clock	45,158 MHz
Convertitore	Sony CXD 8715 / CXA 8355

Remove the top plate by unscrewing the 8 black screws. The original crystal unit 'X301' is to be found some 10 cm. (4 inches) behind the front panel, at 4 cm. (2 incehs) from the right hand side panel. Loosen the Main circuit board, by taking out the screws holding it, and also the ones holding plugs on the rear panel. Remove X301 from the Circuit board, along with its companion caps. C358 and C359. Connect LClock Out (Red twisted wire) to X301, the PCB solder pad furthes away from the CD transport. Connect LClock Gnd (Blue twisted wire) to C358, the PCB solder pad closest to the rear panel. Connect LClock +12V (Red single wire) to + terminal of C905, one of the big electrolytic cans on the rear end of PC Board.

Frequenza di clock	45,158 MHz
Convertitore	Sony CXD 8505 / CXA 8055

Remove the top cover, by unscrewing the 8 black screws. The Crystal unit is placed on the main PC Board approximately 10 cm. behind the frontpanel, and 4 cm. off the PC Boards right hand edge. Take the PC Board in the CD player enclosures right hand side out. The Crystal unit has designator X301, remove it from the PC Board. Remove C358 and C359, you will find them right next to the Crystal unit. Connect LClock Out (Red twisted wire) to X301, the PCB solder pad closest to the PC Boards right hand edge, when you hav a front view. Connect LClock Gnd (Blue twisted wire) to C358, the PCB solder pad closest to the PC Boards right hand edge. Connect LClock +12V (Red single wire) to JW352, it is a wire jumper, placed on the opposite side of the PC Board, approximately 7 cm. off the rear panel.

Frequenza di clock	11,2896 MHz
Convertitore	Philips TDA1543
OP originali	AD845
Moduli 825 sostitutivi	1x tipo 4

Remove the top plate. The original crystal unit '1211' is to be found on the mid Circuit Board, some 6 cm (2 inches) behind the front panel, and in front of the main processor module. Remove Crystal 1211, and the two capacitors placed right next to it. Connect LClock Out (Red twisted wire) to 1211, the PCB solder pad furthest away from the CD transport. Connect LClock Gnd (Blue twisted wire) to the PCF2705 IC, pin 8. Connect LClock +12V (Red single wire) to terminal +VM, on the opposite side of the same PC Board.

Frequenza di clock	16,9344 MHz
Convertitore	2x Philips TDA1547 (DAC 7)

The original Crystal 'X51' is placed on the rightmost side of the cabinet, about 15 cm. (6 inches) behind the front panel. Remove X51, and its companion capacitors C51 and C55 (orange trimmer cap). Connect LClock Out (Red twisted wire) to the solder pad from X51, closest to middle of the Circuit Board. Connect LClock Gnd (Blue twisted wire) to the solder pad from C51, closest to the edge of the Circuit Board . Connect LClock +12 (single red wire) to W221, a wire-link placed on the opposite side of the circuit board, from the crystal.

Frequenza di clock	18,432 MHz
Convertitore	4x AD 1862 J
OP originali	NJM 2114 / M5238
Moduli 825 sostitutivi	8x tipo 2

This CD player appears to be built just right, using all the best parts and techniques possible. However there are great sound improvements to obtain, by performing the suggested upgrades. Remove left top cover. Loosen the Circuit board found inside, by unscrewing the screws that hold it down, amd also the ones holding the Audio Plugs to the rear panel. Short Circuit C101 (some 4 cm - 1,5 inch behind the AD1893 IC). Cut L107 off the Circuit Board. Connect LClock Out (Red twisted wire) to the solder pad from L107, closest to middle of the Circuit Board. Connect LClock Gnd (Blue twisted wire) to the IC U105 (74HCU04), pin 7. Connect LClock +12 (single red wire) to Cathode of D101, (The terminal with a marking band) D101 is found right behind the XLR outputs.

Frequenza di clock	33,8688 MHz
Convertitore	Technics MASH

The Crystal unit X801 is placed approximately 15 cm. behind the frontpanel, in the right hand side of the enclosure. Loosen the rear panel, by Removing the three screws along the edge. Remove screws holding right hand PC Board marked 'AUDIO'. The Main Board is taken carefully out of the chassis. Remove X801, C818 and C819. One of the PCB solder pads of X801 ( the one closest to the edge of the PC Board ) is connected to LClock Out. (Red twisted wire). One of the PCB solder pads of C818 (the one closest to the front panel) is connected to LClock Gnd. (Blue twisted wire). +12V (red single wire) is soldered to J34, placed next to the optical out unit TX174.

Frequenza di clock	33,8688 MHz
Convertitore	Technics MASH

The Crystal unit X801 is placed approximately 10 cm. behind the frontpanel, off the right hand side. The Main Board is loosened, and taken carefully out of the chassis. Remove X801, C835 and C836. One of the PCB solder pads of X801 ( the one closest to the middle of the PC Board ) is connected to LClock Out. (Red twisted wire) One of the PCB solder pads of C836 (the one closest to the edge of the PC Board) is connected to LClock Gnd. (Blue twisted wire). +12V (red single wire) is soldered to J323, placed on opposite corner of where the Crystal unit was mounted on the PC Board.

Frequenza di clock	16,9344 MHz
Convertitore	Burr Brown PCM 1715U V(low)

Remove the top cover, Remove the screw holding the converter PC Board, use a Torx T10 screwdriver. Remove the screw holding the RCA Line Out plugs. Remove the screw holding the ground wire.
Remove the oscillator X1 (The designator is printed underneath the component...). It is a rectangular shiny metalcan of approximately 12 by 20 m.m. placed on the converter PC Board.
Connect LClock Out (Red twisted wire) to the pcb solder pad 'pin 9' on X1.
Connect LClock Gnd (Blue twisted wire) to the pcb solder pad 'pin 8' on X1.
Connect LClock +12V (Red single wire) to LClock XO Power Supply + (Required for this model).
Remember to also connect LClock ground to the XO power supply. Best taken from the minus of the 10.000 uF Capacitor.

Frequenza di clock	16,9344 MHz
Convertitore	YAC 514

Begin with removing the top cover, and next taking the main Circuit board out of the cabinet. The D/A Converter chip (Yamaha YAC 517) is placed on the solder side of the circuit board, right corner, as seen from the front panel side. Remove the crystal unit XL2, placed right next to the D/A Converter chip. Also remove the two cap's C52 and C53, located next to the crystal. Connect LClock Out (Red twisted wire) to the solder pad from XL2, closest to the D/A chip and C53. Connect LClock Gnd (Blue twisted wire) to the solder pad from C53 furtest away from the crystal. Connect LClock +12 (single red wire) to LClock XO Supply + (Required for this model). Remember to also connect LClock ground to the XO power supply. Best taken from the minus of the 10.000 uF Capacitor.