Casio ECW-M300E User Manual

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QW-5117
CHECKING TERMINALS AND COMPONENTS2-2.
VDD2
VDD2
L5
L4
L6
GND
GND
LC1
WP
L40
L40 GND
KL1
KL1
KI4
IF1MON
L39
L3
VDD
VDD
VDD
KL8
GND
GND
KL4
VDD2
KL7
KL5 L38
KI5
KI5
VPM
AC
BD
SD0
SCK
WP
SCUT VDD2
VCC
VCC
SCUT
Q4R3
Q4R3
Q4LED
VDD2
VCC
VSC
VDD2
GND
VSC
VSCGND
R6LEDQ4LED
GNDR6LED
SCFOUT
SCFIN
SIO_R
TEST
LE
AGC
ANT1
ANT2
EXTVCO
VCOMON
GND
GND
DET_C
GND GND
GND
GND
GND
GND
PLL_C1
PLL_C2
SHRP_C
PEAK_C
LPF21P
LPF_BB
LPF2QP
LPF2QN
R4C25 R4C25 VR1OUT
VR2OUT
LPF21N
AGC GND
ANT1
ANT1ANT2
ANT2 ANT2 ANT2
ANT_C1 ANT_C2 ANT_C3
ANT2
KI1
KI3
KI2
KL6
GND
KL9KI9
KI7
KI6
VC4
VC3
GND
GND
GND
GND
GND
VDSP
VDD1
VDD1 VDD3
GND
GND
GND
VC1
VC3
VC4
KI8
VHF
VDSP
GND
VHF
VC2
VC2
VC1
VCH
VCH
KI6
KI8
KI7
L11 LC4 LC3 LC2 L32 L33
L11 LC4 LC3 LC2 L32 L33 L14 L35 L17 L21 L10
L7
LC1 LC5 L55 L34 L36 L18 L15 L19 L20 L12
L9
L53 L52 L54 L37 L13
L8
L41 L42 L43
KL2
SCIN
CRI CRO
CRO
L16L16
L43 L42 L41
L8
L13 L37 L54 L52 L53
L9
L12 L20 L19 L15 L18 L36 L34 L55 LC5 LC1
L7
L10 L21 L17 L35 L14
VC3
VC1
AC
BD VDD2
LL1
LL1
LL1
LL1
L40
VPM
AGC
L4
KI5
L3
L5
XT
XTB
L3
KL2
KL6
KL7
VSC
KI4
KL4
WP L40
L38
VCC
L3
L3
L6
SD0
SCK
KI1
VDD2
GND
GND
VDSP
VCH
XT
GND
GND
GND
GND
GND
KI5
KI3
GND
SIO_R
KI2
VDD2
GND
VDD3
OSCILLATOR/CRYSTAL
SENSOR/TIL
T
2. PCB ASS'Y
(10362210)
TAPE/ADHESIVE 2306
Short pad for switching modules
KI8-GND: Open
KI7-GND: Open
KI6-GND: Open

Casio ECW-M300E Specifications

General

Brand	Casio
Model	ECW-M300E
Category	Watch
Type	Digital
Case Material	Stainless Steel
Band Material	Stainless Steel
Movement	Quartz
Display Type	Digital
Water Resistance	100 meters
Features	World Time, Alarm