Circuit Diagram - Casio STR-600 Service Manual & Parts List

3-2. CIRCUIT DIAGRAM

AC
T1
T2
T3
T4
S2
KI1
S1
KI2
S5
KI3
S3
KI4
SA
KI5
S4
KI6
SB
KI7
KI8
SK
3
KI9
5
7
N1 3
7
N2
3
4
R1 3
4
R2
3
4
R3 3
Xtal
XTB
CT
XT
LD1
VSC
Di1
C9
SC
Rb
BACK
LL2
GNDB
EL
6 FRONT
LCD (2.8V 1/3b 1/5d)
L1 - - - - L55 LC1 - - - LC5
8
TOTAL 106PINS
BONDING 101PINS
GND VDD2 BD
R1
Di2
Tr1
BAT
C8
Z PZ
LL1
1. No bonding
GND E'
2. Soldering pads (for switching modules) are not used in
L– CLF2 Cel
VOUT CLF1
this module, and are all open.
L+ V+
3. Latch type key
INV
4. Short (Soldering) (R trimming)
5. Inclination sensor
6. GNDB is used for the bias on the back of the tip.
7. Short (Soldering) (N trimming)
8. L28~L30 are used as the static drive pins.
9. KC2 is used in this module.
10. KC3 is used in this module.
— 8 —
SDI
1
LSI
VC3 VC4 VHF VCH VDSP VDD1
C6 C5 C4
C7
SDO SCK CSB
1 1 1
RP2 RP1
SCR
SCIN
Cp
1 VPM
KC1
2
9 KC2
2
10 KC3
2
KC4
VDD3 VC1 VC2
C1 C2
C3