Casio CTK-680 Service Manual page 23

Item Code No.
Main PCB
1 6925 7090 Main PCB ass'y, M717-MA1M
LSI2 2012 5159 LSI, ROM
LSI3 2012 0777 LSI, RAM
LSI7 2012 4298 LSI,
LSI11 2012 1316 LSI, DSP
LSI14 2012 5152 LSI, CPU
LSI15 2012 4291 LSI, RAM
LSI16 2011 5194 LSI, Key controller
IC11 2114 4221 IC
IC12 2105 1120 IC
IC13 2105 4536 IC
Q11, Q12 2252 1169 Transistor, Chip
Q13, Q14 2250 1169 Transistor, Chip
Q15 - Q18 2259 2562 Transistor, Chip
D11, D12 2390 1820 Diode, Chip
D13 2390 2576 Diode, Chip, Schottky
2590 2107 Oscillator, Crystal
X11
X12 2590 2079 Oscillator, Ceramic
Sub PCB ass'y
2 6925 7120 Sub PCB ass'y M716-MA2,3M
IC201 2114 1421 IC, Photocoupler
IC202 2114 2891 IC, Power amp.
IC203 205 2114
2250 0742 Transistor
Q201
2220 1409 Transistor
Q203 2250 1577 Transistor
Q204 2250 1578 Transistor
2251 0651 Transistor
Q205
D201 2390 1323 Diode
D202 2360 1134 Diode
2390 0371 Diode
D203
2390 1344 Diode
D205 2360 2261 Diode, Zener
J201 3501 7049 Jack, Power
J202 3612 0711 Jack, Phone
J203 3612 0789 Jack
J204 3501 4816 Jack, DIN
VR201 2765 1344 Volume
Console PCBs
3 6925 7130 PCB ass'y M716-CN1M
IC301 2114 3318 IC
D301 - D337 2390 1344 Diode
LED301 2370 0952 LED, 7-segment
2370 0343 LED
LED308/390 2370 0959 LED
Keyboard PCBs
4 6924 2580 PCB ass'y M617T-KY1M
2301 0101 Diode
5 6924 2590 PCB ass'y M617T-KY2M
2301 0101 Diode
Keyboard unit
6 6922 2720 White key set, LT
7 6922 2730 White key set, LT
Notes: Q – Quantity per unit
R – Rank
Parts Name
IC, Voltage regulator
M140443*2
MX23C2410MC-12CA54
LC33832M-70-TLM
UPD65611GB-019-3BA
HG51B155FD-1
HD6433294A33F
HM62256BLFP-7T
HG52E35P
UPD6376GS-E1
TC7S08F-TE85R
RH5VL36AA-T1
2SC4081-T106S
2SA1576AT106S
UMS1NTL
1SS355TE-17
RB501V-40TE-17
HC-49S24A
CSACS16.00MX040-TC
M140487*1
PC900V
LA4598
S-81350HG
2SA1703S,T-AN-T
2SC1740SR-TP-T
2SA933ASTPR
2SC4483S,T-AN
2SB1274-CCC
RB100A-T32-T
RD5.1ESB1-T1-T
DSK10B-BT-T
1SS133T-77-T
RD5.1JSB3-T1-T
HEC2305-01-330
YKB21-5101
YKB21-5010
YKF51-5051
EWA-MJCC25B23
M140488*1
BA612
1SS133T-77-T
LB-603VP1
LN28RPX-(TT)
LN882RPX-(TT)
M140211*5
1S2473-T-77-T
M140212*5
1S2473-T-77-T
M312118*1
M312118*2
— 23 —
Specification Q R
1 B
1 A
1 A
1 A
1 A
1 A
1 A
1 A
1 A
1 A
1 A
2 B
2 B
4 B
2 C
1 C
1 B
1 B
1 B
1 B
1 A
1 A
1 A
4 A
1 A
1 A
1 A
1 B
1 B
1 B
3 C
1 B
1 A
1 B
1 B
1 B
1 B
1 B
1 B
37 C
1 B
9 C
2 C
1 B
64 C
1 B
58 C
4 A
1 A