User Manual

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7. TROUBLESHOOTING GUIDE
POWER LOSS INOPERTIVE
IC301-58 (SCAN IN 5)
PULSE INPUT
CHECK ARREY INCLUD-
ING POWER SW, FPC,
CN307, R3062, D3003
IC302-7 (UNREG)
CHECK MORE THAN
6V
CHECK PW1
(FUSE PR502)
IC301-81
(VDD)
CHECK 3.2V
IC301-84 (RESET)
CHECK 3.2V
CHECK IC302
CHECK IC302, R3051
IC301-85
(BAT OFF)
CHECK 3.2V
CHECK R3052
IC301-80
CHECK
OSCILLATION
CHECK X3001
IC301-82
CHECK
OSCILLATION
CHECK
X3002, R3004,
C3001, C3002
CHECK IC301
NO PICTURE (USB)
CLK FOR SYSTEM OPERATION
NO OPERATION IF ABSENT
CHECK X1101 OSCILLATOR, R1105 AND IC111
CHECK OSCILLA-
TION IC111-9 MAIN
CLK (114MHz)
CHECK OSCILLA-
TION IC111-14 CLK
(96MHz)
SDRAM (IC106, IC107, IC103) MOVEMENT
CLOCK. NO READ PROGRAM FROM IC121 IF
ABSENT. CHECK IC102, IC106, IC107, IC103.
CHECK OSCILLATION
IC106, IC107-38, IC103-
35 SDRAM CLK (57MHz)
INCORRECT HANDSHAKING BETWEEN 8-BIT
CPU (IC301) AND ASIC (IC102)
CHECK IC301, R3001
PUSH SHUTTER
BUTTON
IC301-4, 5, 92
(SCAN IN 0, 1 SCAN
OUT 1) PULSE INPUT
CHECK CN301-8, 9
or IC301-70, 71
(P ON, PA ON)
CHECK IC301, CN301,
CN106, CN104, CN107,
R3005, R3006, PW1, PW2
CHECK CN301-7, 20,
21 (ASIC TEST 0, 1
RESET)
CHECK
IC301, CA2 (IC102,
IC121 etc.), PW1
CHECK SERIAL
COMMUNICATION
(IC102-139~142,
IC301-75~78)
CHECK
IC301, CA2 (IC102,
IC121 etc.)
CHECK CA2, MC3
TAKING INOPERATIVE
LOW
NO
LOW
LOW
LOW
NO
NO
YES
HIGH
HIGH
HIGH
HIGH
YES
YES
YES
YES
YES
NO
NO
NO
YES
HIGH
HIGH
OK
NO
LOW
LOW
NG
CHECK FPC INCLUDING
SHUTTER SW, CN302,
D3001, R3021, R3022
CHECK SERIAL
SIGNAL IC102-
139~142, IC301-75~78
YES
CHECK IC301-88
(USB CONNECT)
LOW
CHECK IC102-100
(Q1307 COLLECTOR)
HIGH
CHECK Q1305-2
(USB ON)
HIGH
CLK FOR USB COMMUNICATION
NO OPERATION IF ABSENT
CHECK X1101 OSCILLATOR, R1103 AND IC111
NO
USB CONNECTION RECOGNITION
SIGNAL TO PC
CHECK IC301, R3006, Q1304, R1309
HIGH
USB CONNECTION RECOGNITION
SIGNAL TO PC
CHECK IC102, R1307, Q1307
LOW
USB CONNECTION START
SIGNAL FROM ASIC
CHECK IC102
LOW
CHECK SOLDER OF Q1305,
Q1306, R1308, R1355, R1359,
R1313, R1350, R1312, CN105
NO PICTURE (IEEE1394)
CLK FOR SYSTEM OPERATION
NO OPERATION IF ABSENT
CHECK X1101 OSCILLATOR, R1105 AND IC111
CHECK OSCILLA-
TION IC111-9 MAIN
CLK (114MHz)
CHECK OSCILLA-
TION IC111-14 CLK
(96MHz)
SDRAM (IC106, IC107, IC103) MOVEMENT
CLOCK. NO READ PROGRAM FROM IC121 IF
ABSENT. CHECK IC102, IC106, IC107, IC103.
CHECK OSCILLATION
IC106, IC107-38, IC103-
35 SDRAM CLK (57MHz)
INCORRECT HANDSHAKING BETWEEN 8-BIT
CPU (IC301) AND ASIC (IC102)
CHECK IC301, R3001
YES
YES
YES
NO
NO
NO
CHECK SERIAL
SIGNAL IC102-
139~142, IC301-75~78
YES
CLK FOR USB COMMUNICATION
NO OPERATION IF ABSENT
CHECK X1101 OSCILLATOR, R1103 AND IC111
NO
CHECK OSCILLA-
TION X4001-3 (MC3)
(24.576 MHz)
YES
CHECK SOLDER of
IC402, JK404,
R4011~R4015, IC404
CLOCK FOR IC402
CHECK X4001,
R4801, R4802
NO