34
Mar.2001
SP-303
CIRCUIT DIAGRAM(POWER)
fig.power
POWER SW
ADAPTOR JK
8.5V
5V
CODEC
D5V
GA,7SEG LED Tr ARRAY
DSP,DSP MEMORY
D3.3V
A
A
A
+5
A
+5
D
+
D
D
D
D
+
D
3. 3
D
D
D
D
A
D
R86
2.2k
C142
470/6.3
C145
470/16
C143
1000/16
C144
470/16
SW1A
SLG-12-465A
2
1
3
SW1B
SLG-12-465A
40
30
20
10
C146
0.1
C147
0.1
C139
1000/6.3
IC31
AN7805
IN
1
GND
2
OUT
3
C140
0.1
C141
0.1
IC30
NJM2360AF
CS
1
ES
2
CT
3
GND
4
VIN-
5
VCC
6
IPK
7
CD
8
R191
0.33(1/2W)
R187
270
R189
100
Q19
2SA1706S-AN
3
2
1
C216
150p
D11
SB07-03N
1
2
L7
ELC10D221E
R188
1.6k(METAL)
R190
1k(METAL)
C213
0.1
C214
1000/6.3
IC41
TA78M05S
IN
1
GND
2
OUT
3
Q10
2SD2012
1
3
2
D4
RB051L-40
1
2
JK6
HEC2305-01-250
2
1
3
FL1
DSS310-91D223S
Summary of Contents for Dr. Sample SP-303
Page 3: ...3 Mar 2001 SP 303 ...
Page 4: ...4 Mar 2001 SP 303 LOCATION OF CONTROLS fig panel 6 2 1 7 8 11 13 12 11 10 9 15 5 3 4 14 ...
Page 7: ...7 Mar 2001 SP 303 fig_exploded eps 10 b 6 b 5 5 5 5 12 11 9 5 13 14 15 16 7 8 c 8 ...
Page 22: ...22 Mar 2001 SP 303 CIRCUIT BOARD fig_compornent eps ...
Page 23: ...23 Mar 2001 SP 303 fig_compornent eps View from compornent side ...
Page 24: ...24 Mar 2001 SP 303 CIRCUIT BOARD fig_foil eps ...
Page 25: ...25 Mar 2001 SP 303 fig_foil eps View from foil side ...
Page 35: ...35 Mar 2001 SP 303 ...
Page 36: ...36 Mar 2001 SP 303 ...