Canon A-200 series Service Manual page 143

(J)
Basic function fai lure
* Check the power supply.
If +5Vor +12V is not output. the fan motor does not rotate. Connect the DC voltmeter to CN9
and check +5V, +12Vand -12V.
Pin No. Color Description
1 GRAY GND
2
GRAY GND
3
BLACK
GND
4
BLACK GND
5 RED +5V
6
RED
+5V
7 YELLOW -12V
8 ORANGE +12V
Table 8·2
*
Check the CG.
OSC
ClK
PClK
L
DClK
~
I
L
RES
"..
RESET
Figure 8·13
* Check the BCU.
T4
T1
T2
T3 T4
ClK
SO, S1, S2 \
I
RD, AWR. INTA \
I
WR \
r
Figure 8·14
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