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Yamaha Disklvaier Mark II XG Series Service Manual page 28

Uplight pianos

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MX100IIXG
• PK-CTL Circuit Board
• SENSOR Circuit Board
32
MX100IIXG
Notes)
Circuit Board:
PK-CTL (VV327400) XL677D0
1. IC
IC2:
NJM7805FA (XJ607A00)
REGULATOR +5V
IC 3:
M37700SAFP (XI286A00) CPU
IC 4:
KM23C4000B52K3Q (XS528B00)
MASK ROM 4M
IC 5
HM65256BLFP-10T(XI020A00)
PSRAM 256K or
HM65256BLFP-10T (XN113A00)
PSRAM 256K
IC 6
HN58C66FP-25 (XL026A00) EEP-
ROM 64K
IC 7:
LC92011B-656 (XK441A00) GATE
ARRAY
IC 8:
HD74HC123AFPTR (XL106A00)
SINGNE SHOT
IC 9:
PST572CMT-R (XL122A00) RESET
IC 10:
NJM2903MT1 (XD672A00) OP AMP
Notes)
Circuit Board:
SENSOR (VT186900) XL683A0
1. IC
IC 1,2:
NJM2901M-T1 (XK910A00) OP AMP
IC 3:
SENSOR CTL (XK652A00) GATE
ARRAY
IC4:
HD6433258C02F (XQ462C00) CPU
IC 7:
PST572CMT-R (XL122A00) RESET
IC 9:
SN74HCU04NSR (XC723A00)
INVERTOR
IC 10:
SN74HC14NSR (XC725A00)
INVERTOR
2. Photo Coupler
IC 8:
HCPL-0600-500 (VN406200)
3. Transistor Array
IC5,6:
MC1413P (VH441500)
4. Transistor
Q 1:
2SC2412K Q,R,S (IC241200) or
2SC4639-6/7-TB 6,7 (VR935100)
5. Diode
D 9:
MA221 (VB493900) or
RLS-73 (VB797600)
6. Photo Diode
PD 1-8:
(VB434400)
7. Ceramic Resonator
CR 1:
20.0M CSA20.00M (VI951800)
CR 2:
1M CSB 1000J (VD997000)
33
2. Photo Coupler
1C 1:
PC9D10 (VN516100) or
HCPL-2630 (VN593900)
3. Transistor
Q 1:
2SC2412K Q,R,S (IC241200) or
2SC4639-6/7-TB 6,7 (VR935100)
4. Diode
D 1,2,4:
MA221 (VB493900) or
RLS-73 (VB797600)
D 3:
EC10DS4-TE12L (VN681100) or
D1F60(VS201100)
5. Zener Diode
ZD 1:
RD62P-T2 62V (VP615600)
6. Ceramic Resonator
CL 1:
16M CSA16.00MXZ040(VH307600)
PK-CTL : VV32750
SENSOR: BNA-VT18690

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