IMPORTANT NOTICE This manual has been provided for the use of authorized Yamaha Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically Yamaha Products, are already known and understood by the users, and have therefore not been restated.
CLP-120 I PANEL LAYOUT Top Panel TEMPO/ OTHER VALUE TEMPO MASTER VOLUME TRACK TRACK START/STOP START/STOP FUNCTION /NO +/ YES PRESET MELLOW BRIGHT BRILLIANCE DEMO METRONOME TEMPO / FUNCTION SONG GRAND GRAND E.PIANO E.PIANO HARPSI- HARPSI- VIBRA- PIANO 1 PIANO 2 CHORD1 CHORD2 PHONE...
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CLP-120 POWER [MASTER VOLUME] [BRILLIANCE] [DEMO] METRONOME [START/STOP] [TEMPO/FUNCTION # LM] LED Display [-/NO]/[+YES] [PRESET] [TRACK1][TRACK2] SONG [START/STOP] [REC] Voice buttons [REVERB] [EFFECT] [TOUCH] [TRANSPOSE] [PEDAL] AUX OUT AUX IN [TO HOST] [HOST SELECT] MIDI [IN][OUT][THRU] [SPEAKER] [PHONES] Soft (Left) Pedal Sostenuto (Center) Pedal Damper (Right) Pedal...
CLP-120 I DISASSEMBLY PROCEDURE Top Board Assembly (Time required: about 2 min) Before disassembling the top board assembly, shut up the key cover assembly completely to protect the key cover assembly from being scratched. 1-1. Remove the three (3) screws marked [48]. (Fig.1) 1-2.
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CLP-120 DJK Circuit Board (Time required: about 5 min) 3-1. Remove the top board assembly. (See Procedure 1) 3-2. Remove the jack unit. (See Procedure 2) 3-3. Remove the eight (8) screws marked [4a]. The DJK circuit board can then be removed. (Fig.3) MAJ Circuit Board (Time required: about 5 min) 4-1.
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CLP-120 Panel Assembly (Time required: about 5 min) 6-1. Remove the top board assembly. (See Procedure 1) 6-2. Remove the key cover assembly. (See Procedure 5) 6-3. Remove the two (2) screws marked [51] and the six (6) screws marked [40]. The panel assembly can [40] then be removed.
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CLP-120 End Block Assembly L, R (Time required: about 6 min for each) 9-1. Remove the top board assembly. (See Procedure 1) 9-2. Remove the key cover assembly. (See Procedure 5) 9-3. Remove the panel assembly. (See Procedure 6) 9-4. Remove the screw marked [45] for each side.
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CLP-120 Keyboard Assembly (Time required: about 9 min) 12-1. Remove the top board assembly. (See Procedure 1) 12-2. Remove the key cover assembly. (See Procedure 5) 12-3. Remove the panel assembly. (See Procedure 6) 12-4. Remove either the rack assembly L or R. (See Procedure 8) 12-5.
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CLP-120 Music Rest Assembly (Time required: about 1 min) 14-1. Remove the four (4) screws marked [39]. The music rest assembly can then be removed. (Fig.11) [39] Top View (Fig.11) [39]: Bind Head Tapping Screw-1 3.0X16 MFZN2BL (EP030310) Top Board Assembly Music Rest Assembly Back Board (Time required: about 2 min) 15-1.
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CLP-120 Pedal Assembly (Time required: about 3 min) For safety, make sure to perform by two persons. 17-1. Spread soft cloth on the floor and lay down the unit carefully on its back. (Fig.13) 17-2. Remove the eight (8) screws marked [7]. The pedal assembly can then be removed.
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CLP-120 Side Cover Assembly L, R (Time required: about 12 min for each) For safety, make sure to perform by two persons. To remove screws from the bottom, prepare a worktable or bolsters to set the main unit. 19-1. Remove the top board assembly. (See Procedure 1) 19-2.
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CLP-120 20-7. Remove the screw marked [6a] to remove the PL circuit board. (Fig.19) 20-8. Remove the six (6) screws marked [6b] to remove the keyboard holder assembly. (Fig.19) 20-9. Remove the four (4) screws marked [7] to remove the angle K. (Fig.19) Holder Assembly, Keyboard Angle K Angle K...
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CLP-120 Disassembling the GHD Keyboard (Time required: about 20 min) After inserting a round stick (Rod: TX000670) between the frame and keys, remove the circuit boards. (Fig.23) 24-1 Remove the keyboard assembly. (See Procedure 12) 24-2 GH-D_SW L circuit board. Remove the seven (7) screws marked [260a].
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CLP-120 Assembling the GHD Keyboard 25-1 Hammer of White (Black) Key Place the keyboard assembly upside down, insert a hammer assembly into the frame, and put the stopper L88W on. (Fig.26) There are four kinds of hammers that differ in weight.
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CLP-120 HG73C205AFD (XU947C00) SWX00B TONE GENERATOR DM : IC007, 008 NAME I/O FUNCTION NAME I/O FUNCTION Initial clear CMA3 RFCLKI PLL Clock CMA8 Program address bus PLL Control CMA2 4 AVDD_PLL Power supply read signal AVSS_PLL Ground CMA1 Program address bus MODE0 SWX dual mode high byte effective signal...
CLP-120 YMZ702-D (XR632A00) KSN2 (Key Scanner) GHDcl SW L: KSN2 NAME I/O FUNCTION NAME FUNCTION Ground Power supply Serial data Key block (open drein) Acknowledge/mode select Clock for serial data Initial clear MK15 TST1 Test mode MK14 TST2 (L,L: normal mode, others: test) MK13 29 XCKINH Inhibit of serial clock...
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CLP-120 TC7S00F(XG150A00) PC4570G2 (XF291A00) SC7SU04FEL(XI348A00) NAND DM: IC026 TC7SU04F (XY447A00) Dual Operational Amplifier lnverter Gate DM: IC013, IC022 DJK: IC001 MAJ: IC002 IN B +DC Voltage Output A Supply IN A Inverting Output B Input A Inverting Non-Inverting Input B Input A Non-Inverting -DC Voltage Supply...
CLP-120 PNL Circuit Board to MAJ-CN3 to DM-CN2 to DM-CN1 A’ Component Side A’ Note: See parts list for details of circuit board component parts. 2NA-V849680...
CLP-120 PEDAL Circuit Board HP Circuit Board NORMAL ON OFF (HP. SW) PHONES SPEAKER Component Side PL Circuit Board Pattern Side PEDAL: 2NA-V233730 Note: See parts list for details of circuit board component parts. HP: 2NA-V858650 PL: 2NA-VN63760...
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CLP-120 I INSPECTION Preparation • To check the unit, following mesuring instruments are required. Level meter (JIS-C filter) Frequency counter • Set each control as follows. MASTER VOLUME: MAX BRILLIANCE: CENTER Voice: GRAND PIANO 1 PEDAL: OFF REVERB: OFF SPEAKER ON/OFF switch: NORMAL AUX IN, AUX OUT: Connect a load resistance to all terminals.
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CLP-120 Table 1 Test Items 7 segment. LED Test Function and Judgment criteria (01: Version Checks ROM version. ‘P x.x ’ ‘U x.x . . ’ Make sure that the 7-seg.LED alternately indicates ‘P x.x ’ (version of the pro- gram) and ‘U x.x ’...
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CLP-120 If the correct switch is pressed, the sine wave sounds on the pitch shown in the Table 2 and the 7segment LED indicates the next number. In addition, the LED lights up as for the LED-attached switch. If the wrong switch is pressed, the 7segment LED indicates ‘nG’. After the last switch is checked, the 7segment LED indicates ‘PAS’.
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CLP-120 Table 2 SW No. SWITCH NOTE DEMO METRONOME TEMPO/FUNCTION TEMPO M TEMPO L -/NO +/YES PRESET TRACK1 TRACK2 START/STOP GRAND PIANO1 GRAND PIANO2 E.PIANO1 E.PIANO2 HARPSICHORD1 HARPSICHORD2 VIBRAPHONE CHURCH ORGAN1 CHURCH ORGAN2 JAZZ ORGAN STRINGS1 STRINGS2 CHOIR GUITAR REVERB EFFECT TOUCH TRANSPOSE...
CLP-120 I MIDI IMPLEMENTATION CHART MIDI I mplementat ion Char t YAMAHA [Clavinova] Date: 24-OCT-2001 Model: CLP-130/120 MIDI Implementation Chart Version: 1.0 Function Transmitted Recognized Remarks Basic Default Channel Changed 1 - 16 1 - 16 Default Mode Messages Poly Mode only...
Page 41 CLP-120 CLP-120 CIRCUIT DIAGRAM 1/3 (DM) to GHDcl SW L-CN1 PROGRAM ROM SRAM SRAM REGULATOR +3.3V REGULATOR +5V to MAJ-CN2 NAND SWX00B to DJK-CN4 NJM J78L05UA(XJ598A00) DEMULTIPLEXER REGULATOR +5V DM:IC023 SYSTEM RESET 1: OUTPUT 2: COMMON 3: INPUT SI-850L (XS346A00) REGULATOR +5V DM:IC027 DRIVER ARRAY...
Page 42 CLP-120 CIRCUIT DIAGRAM (MAJ, DJK, PNR, PNL, HP, PL, PEDAL) CLP-120 to DM-CN1 to PS-CN2 REGULATOR +12V to DM-CN5 to DM-CN2 to HP-CN1 to PNL-CN301 to DM-CN4 L (L+R) L (L+R) OP AMP AUX OUT AUX IN 28CC1-8822664 SPEAKERS NORMAL (HP,SW) µPC24M12AHF(XU387A00)
Page 43 CLP-120 CIRCUIT DIAGRAM (GH-D_SW H, GH-D_SW L, PS) CLP-120 GH-D_SW H 28CC1-8811214 GH-D_SW L Not install Install KSN2 Not install Not install 11ES4 (VB481900) DIODE PS:D1, D2 28CC1-8811214 to DM-CN3 1: ANODE 2: CATHODE 11ES4 TA1 (VF195600) DIODE PS:D1, D2 1: ANODE 2: CATHODE D3SBA20 (VN011300)
CLP-120 CLP-120 PARTS LIST CONTENTS OVERALL ASSEMBLY ..........2 PANEL ASSEMBLY ..........15 MAIN UNIT ..............4 KEY COVER ASSEMBLY ........17 SIDE BOARD ASSEMBLY ......... 8 JACK UNIT ............... 18 PEDAL BOX ASSEMBLY ........... 9 HP JACK ASSEMBLY ..........18 PEDAL ASSEMBLY ..........
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CLP-120 I OVERALL ASSEMBLY Screw set 8 Headphone hanger set Front view Rear view...
CLP-120 DESCRIPTION REMARKS PART NO. QTY RANK REF NO. OVERALL ASSEMBLY CLP-120 Overall Assembly (V821590) Overall Assembly (V821600) Overall Assembly (V821610) Overall Assembly (V821620) Overall Assembly (V821630) Overall Assembly (V938580) (V821640) Main Unit Main Unit (V821650) Main Unit (V821660) Main Unit (V821670) Main Unit (V938590)
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CLP-120 I MAIN UNIT Rear view Top view 1 Side view 14 15...
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CLP-120 Bottom view Top view 2 Screw Set List Screw Ref.No. Parts No. Bind Head Tapping Screw-1 (EP030240) Truss Head Tspping Screw-1 (VU952600) Pan Head Screw (VV040700) Truss Head Tspping Screw-1 (EN630230) Bind Head Tapping Screw-1 (EP040230) Truss Head Tspping Screw-1 (VA076400) Truss Head Screw (V6207400) Truss Head Tspping Screw-1 (20338800) Guide Screw (VN887900)
CLP-120 DESCRIPTION REMARKS PART NO. QTY RANK REF NO. MAIN UNIT CLP-120 Main Unit (V821640) Main Unit (V821650) Main Unit (V821660) Main Unit (V821670) Main Unit (V938590) Main Unit Sub Assembly (V821820) EP030240 3.5X12 MFZN2Y Bind Head Tapping Screw-1 Name Plate J (YMMA) (V821830) Name Plate...
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CLP-120 DESCRIPTION REMARKS PART NO. QTY RANK REF NO. EP600250 Bind Head Tapping Screw-B 3.0X8 MFZN2Y V 6 2 0 7 4 0 0 Truss Head Screw 4.0X16 MFZN2BL 2 0 3 3 8 8 0 0 Truss Head Tapping Screw-1 4X20 MFZN2Y VN887900...
CLP-120 I SIDE BOARD ASSEMBLY (L, R) *This figure shows a side cover assembly (L). Front view Side view PART NO. DESCRIPTION REMARKS QTY RANK REF NO. SIDE BOARD ASSEMBLY CLP-120 V 8 2 1 7 8 0 0 Side Board Assembly-L LEFT Side Board LEFT...
CLP-120 I TOP BOARD ASSEMBLY Top view Side view PART NO. DESCRIPTION REMARKS QTY RANK REF NO. TOP BOARD ASSEMBLY CLP-120 V 8 2 1 8 7 0 0 Top Board Assembly Top Board (V823660) VY891000 Stopper Rail, Music Score VV444100 Shoulder Screw VQ485800...
CLP-120 I MUSIC REST ASSEMBLY Rear view Side view PART NO. DESCRIPTION REMARKS QTY RANK REF NO. MUSIC REST ASSEMBLY CLP-120 V 8 2 4 7 8 0 0 Music Rest Assembly Music Rest (V824790) V 8 4 3 7 6 0 0 Hinge 1STEP 1.6mm YMMA VV965900...
CLP-120 I SIDE COVER ASSEMBLY (L, R) *This figure shows a side cover assembly (L). Front view Side view 7 10 PART NO. DESCRIPTION REMARKS QTY RANK REF NO. SIDE COVER ASSEMBLY CLP-120 V 8 2 1 8 9 0 0 Side Cover Assembly LEFT Side Cover...
CLP-120 I END BLOCK ASSEMBLY (L, R) Top view (L) Side view (R) Top view (R) Power switch assembly PART NO. DESCRIPTION REMARKS QTY RANK REF NO. END BLOCK ASSEMBLY CLP-120 End Block Assembly LEFT (V925890) V 9 3 5 1 0 0 0 End Block LEFT,NO BORE Angle, H...
CLP-120 I JACK UNIT Top view Side view Bottom view PART NO. DESCRIPTION REMARKS QTY RANK REF NO. JACK UNIT CLP-120 Jack Unit (V826580) Jack Plate (V826590) V 8 5 5 4 2 0 0 Circuit Board V 8 4 9 6 0 0 0 Circuit Board EP600190 Bind Head Tapping Screw-B...
CLP-120 I POWER SUPPLY UNIT Top view Front view PART NO. DESCRIPTION REMARKS QTY RANK REF NO. POWER SUPPLY UNIT CLP-120 V 0 0 1 0 2 0 0 Power Supply Unit V 0 0 1 0 3 0 0 Power Supply Unit V 0 0 1 0 4 0 0 Power Supply Unit...