– 18 –
5. TROUBLESHOOTING GUIDE
POWER LOSS INOPERTIVE
PUSH MAIN SW
IC301-45 (SCAN IN 6)
PULSE INPUT
CHECK CN303-3
IC302-7 4.7 V
(BOOST 4.7 V)
CHECK PW1, IC952
IC301-10
(VDD)
IC301-36
(RESET)
CHECK IC302
CHECK IC302, R3004
IC301-43
(BAT OFF)
CHECK R3003
IC301-40
OSCILLATION
CHECK X3001
IC301-37
OSCILLATION
CHECK X3002
CHECK IC301
NO PICTURE
MAIN CLOCK FOR SYSTEM OPERATION
NO OPERATION IF ABSENT
CHECK X1101 OSCILLATOR, R1101 AND IC111
CHECK CLK
OSCILLATION X1101,
IC111, R1101
SD CLK
OSCILLATION
R1103
SD RAM (IC103) MOVEMENT CLOCK
NO READ PROGRAM FROM IC121 IF ABSENT
CHECK IC102, IC103
IC102-62, 63
IC301-15, 16
CHECK SOLDERING
OF MEMORY PIN
INCORRECT HAND
SHAKING 8-BIT CPU
CHECK EACH INTERFACE
PUSH SHUTTER
BUTTON
IC301-55, 45
(SCAN IN 5, 6)
PULSE INPUT
CHECK S3001,
D3012, D3013,
R3038, R3037
CN301-18, 15
(P ON, P(A) ON)
CHECK IC301,
RB302, PW1
SERIAL
COMMUNICATION
CHECK
IC301, CA2
CHECK CA2
TAKING INOPERATIVE
LOW
NO
LOW
LOW
LOW
NO
NO
YES
HIGH
HIGH
HIGH
HIGH
YES
YES
NO
OK
OK
NG
NG
YES
YES
HIGH
OK
NO
LOW
NG
Содержание VAR-G6E
Страница 48: ......
Страница 49: ...Oct 02 Printed in Japan SANYO Electric Co Ltd Osaka Japan ...