46
Ⅵ. TROUBLESHOOTING & MAINTENANCE
When using the adaptor, the
power does not turn ON.
If using the battery, the
power doesn’t turns ON.
Poor soldering of Power
diode.(Power PCB D10)
Resolding the Diode
전원 Diode 납땜 불량
Replace the Fuse
(Power PCB F2)
See 6-1.POWER Error
Disconnected FUSE.
(Broken FUSE)
Replace the Battery CapPoor contacts of Battery Cap
Verify if disconnected
between Battery spring
and Power Board.
When using the battery,the
power does not turn ON.
See 6-2. SUB PCB Error
See 6-1. POWER Error
Check the LED FPCB
LED is illuminated.
The letter does not appear
on TN LCD
See 6-4. CAMERA Mode
Error
Check the booting by mode.
Poor booting in CAMERA
Mode
See 6-3.MAIN PCB Error
Booting does not operate.
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
47
Ⅵ. TROUBLESHOOTING & MAINTENANCE
KEY IN Error See 6-2. KEY IN Error
YES
Image display Error TFT LCD Output Error
TV Monitor output Error
See 6-5. LCD Error
See 6-6. TV Output Error
See 6-7. Image Error
YES
Moving Image display Error
YES
See 6-9. Replay Error
Replay Error
YES
See 6-10. CARD ErrorCARD related Error
YES
See 6-11. Strobo Error
Strobo luminescent Error
YES
See 6-12. Barrel Error
See 6-13. Software
Installing Error
See 6-14. USB Error
See 6-15. SERIAL Error
Lens drive
(Zoom,Shutter,AF)Error
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
Photographing Error
Though the shutter pressed,
it will not photograph
Image recording Error
See 6-2. KEY IN Error
See 6-8. Card Recording
Error
YES
NO
YES
PC Interface Error
Program Installation Error
Serial Interface Error
YES
NO
NO
YES
YES
YES
YES
USB Interface Error
48
Ⅵ. TROUBLESHOOTING & MAINTENANCE
Check for overcurrent with
VCC connected
Check if C4,C18,C51,C52,C103
damaged and shorted.
Lift Pin 5 of U3 and check
for overcurrent with power
on.
Lift L9 and check for
overcurrent with power on.
Replace damaged TALTAL
Replace U1
Replace U3
Replace
Q8
Replace
C50
Replace
Q7
Replace
Q9
Replace
U2
Replace
Q1
Replace
Q2
Detach D9 (from a board)
and check for overcurrent
with
Detach C50 and check for
overcurrent with power on.
Detach Q7 and check for
overcurrent with power on.
Detach Q9 and check for
overcurrent with power on.
Detach Q1 and check for
overcurrent with power on.
Detach Q2 and check for
overcurrent with power on.
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
6-1. POWER Error
Lift pin 20,37,47 of U1 and
check for overcurrent with
power on.
49
Ⅵ. TROUBLESHOOTING & MAINTENANCE
C4
Q9
Q1
J2
R210
R203
C16
C35
Q9
C15
L7
C27
R208
L3
L1
C46
Q2
C201
C11
J4
D4
D6
D1
C10
C34
D12
Q102
R201
D7
C2
D3
R51
Q1
C26
L6
C18
Q6
C4
C18
Q2
R41
Q8
C37
R44
R35
C38
C47
R52
C14
C31
R37
C40
R39
R46
R43
C39
VR1
D9
R17
R42
U3
C13
R27
R31
C30
R30
R49
R15
C33
R13
R24
R48
C32
C12
C23
L9
R10
C29
R8
C17
R7
R22
U1
R4
C9
R12
R18
C25
C103
L12
C103
J3
D9
L9
50
Ⅵ. TROUBLESHOOTING & MAINTENANCE
Replace C44
YES
Replace Q3
YES
NO
NO
NONO
NO
NO
NO
NO
NO
Connect R26 with
VCC(F2,C52) and check for
overcurrent with power on.
Connect R25 with
VCC(F2,C52) and check for
overcurrent with power on.
Check C44
for short.
Check if
D8
damaged.
Detach Q2 and check if there is
short between Collector & Base,
Collector & Emiter, Emiter & Base
Detach D4, D6, D7 and check
the board for short.
Detach C19
and check the
board for short
Replace
C19
Detach Q3 and check
if short between
Collector & Base,
Collector & Emiter,
Emiter & Base
Replace
U1
Replace C44
Replace
Q2
YES
YES YES
YES
YES
NO
Solder D4 and then check the
board for short
Detach C16
and check the
board for short
Replace
C16
YES
YES
NO
Detach C15
and check the
board for short
Replace
C15
Check Pin
11,13,15 of J2
YES
NO
Solder D6 and then check the
board for short
Detach C27
and check the
board for short
Replace
C27
YES
YES
NO
Detach C26
and check the
board for short
Replace
C26
Check Pin
13,15,17 of J2
YES
NO
Detach L5 and
check the
board for short
Replace
C20
YES
NO
Check Pin 3,5
of J2 for short
Replace
U1
YES
NO
After touch up J2
connector and check
the board for short
Replace
U1
YES
51
Ⅵ. TROUBLESHOOTING & MAINTENANCE
BAT-
R26
J5
L11
F2
R2
C1
R16
R14
R21
D8
C51
R6
R5
C22
C28
R9
3.3V
Q3
D10
R23
C52
C24
L4
T2
R209
Q203
R207
U2
C6
D5
C19
C3
ZD1
Q202
D2
LCD_BL
R28
C41
R25
R26
T-WAE
7V_TP
R29
C36
R38
L8
C44
R32
R34
LCD_TP
R40
R36
CCD_TP
R33
T1
C45
L10
C50
LCD_7V
L5
R50
C8
Q204
Q201
C101
C20
C21
C5
L2
R206
Q7
Q7
F2
C51
C52 C50
52
Ⅵ. TROUBLESHOOTING & MAINTENANCE
Solder D7 and then check the
board for short
Detach C35
and check the
board for short
Replace
C35
Detach Q2 and check if short
between Collector & Base,
Collector & Emiter, Emiter & Base
Connect R31 with VCC(F2,C52)
and check for overcurrent with
power on.
Replace
Q1
YES
Detach D1,D3 and
check the board for
short
Detach C5 and check the
board for short
Replace
C5
YES
Solder D1 and check
the board for short
YES
Solder D3 and check
the board for short
Check C10,11 broken and
short
Check Pin 23,25,27 of J2
YES
Check
C2,C3,C201,R207,208,209,
Q202,Q203 parts and if
short in cold soldered.
Replace
abnormal
parts and
remove
short
Replace
abnormal
parts and
remove
short
Remove
short
Detach L2 and check the
board for short
Replace
C6
YES
Detach Pin 27,29 of J2.
Replace
U1
YES
YES
After touch up connector
and check the board for
Replace
U1
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
Detach C34
and check the
board for short
Replace
C34
Check Pin
4,6,8 of J2
YES
YES
Check Pin
16,18,20 of J2
YES
YES
YES
YES
YES
YES
53
Ⅵ. TROUBLESHOOTING & MAINTENANCE
3.3V is input at
V2 Test Port
When mounting battery or
DC adaptor, the voltage is
changed from L to H in the
output end(#3) of
Reset IC(U1)
If pin #9 and #10 of
connector J1 being short
more than 0.5 seconds,
Beep(Buzzer-1) sound
occurred.
Short at V2 T.P and G1 T.P
terminals
Visual check if the parts
are soldered properly.
Y : Replace SUB board
N : Replace and check the
part
Replace SUB board
Replace J2 connector parts
Replace Reset IC(U1)
Resolder Reset IC(U1)
Replace Oscillator(Y1)
Replace Buzzer
Resolder CPU(U2)Pin #38
Resolder J1 Pin #9, #10
Resolder R3,D1,C10
Resolder CPU(U2) Pin #49
Resolder BZ+, BZ- L/W
Resolder R2
Resolder and check CPU(U2)
Pin #70, #71 Oscillator(Y1)
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO NO
NO
NO
NO
YES
YES
YES
6-2. SUB PCB Error
Good soldering of J2
connector PIN #4, #6
Good soldering Reset IC(U1)
CPU(U2) #38 Pin is
changed from H to L level.
Oscillating wave form is
measured at CPU(U2)Pin
#70 and #71
Oscillating wave of about
100ms is output to
CPU(U2)Pin #49 (f=4kHz)
54
Ⅵ. TROUBLESHOOTING & MAINTENANCE
“boot”display goes on and
off(2Hz) in Status LCD
“boot”display disappears
within 5 seconds
During booting, green LED
next to finder goes on and
off
LCD driving power is normal.
T.P terminal of T1 :about 3.0V
T.P terminal of T2:about 2.0V
T.P terminal of T3:about 1.0V
“Err”is displayed in
Status LCD
Connector(J2)Pin #14 is
measured as “H”
Connector(J2)Pin #18 is
measured as “H”
Connector(J2)Pin #10 is
measured as “L”
Connector(J2)Pin #15 is
changed to “L”to “H”after
25ms
3.3V power supplied at
ASL+ terminal
Check if 3.3V output at
CPU(U2) Pin #25 and then
resolder it
Resolder R10/R5/R7/R9
Resolder
CPU(U2)#26/#27/#28
Resolder CPU(U2) Pin #10
~#24, clean and check it
Check of the contacts of
mode dial distorted
clean the mode dial pattern
Resolder CPU(U2) Pin #47
Resolder connector(J2) Pin
#14
Resolder CPU(U2)Pin #75
Resolder connector(J2)Pin
#18
Resolder CPU(U2)Pin #53
Resolder connector(J2)Pin
#10
Resolder CPU(U2)Pin #50
Resolder connector(J2)Pin
#15
Resolder SUB PCB
(Jump wire) or Resolder
SUB PCB Ass’y
See 5-3. Main PCB repair
Resolder LED FPCB
YES
YES
YES
YES
NO NO
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
NO
55
Ⅵ. TROUBLESHOOTING & MAINTENANCE
Cst5
280V
U1
J2
#14->H
#18->H
#10->L
#15->25ms
L->H
V2 Test point
G1 Test point
U2
#25=3.3V
#38 H->L
#70,71
#49 100ms
#58=About 3V
T1 = 3.0V
T2 = 2.0V
T3 = 1.0V
ASL=3.3V
T6=
8kHz
STL=
4kHz
STL=
4kHz
#49 =
#70,71 =
56
Ⅵ. TROUBLESHOOTING & MAINTENANCE
Oscillating wave form is
measured in the end T.P of
T6
Resolder CPU(U2)Pin #39 to
#41 and connector(J2)Pin
#7/#9/#11
Oscillating wave output in
AFL-terminal(f=4Hz)
Resolder CPU(U2)Pin #35
Resolder R4/R6
See 5-3. Repairing
Main PCB
Resolder AF LED(LED FPCB)
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
Battery Half mark goes on
and off(2Hz)
The voltage of about 3V is
measured in CPU(U2)Pin
#58
Resolder CPU(U2) Pin
: #58/#65/#64
Resolder connector (J2)Pin
#2. Resolder C6/C7
Whill charging flash,
red LED next to finder
goes on and off(8Hz)
Oscillating wave is output
in STL-terminal (f=8Hz)
Resolder CPU(U2) #34 Pin
Resolder R11/R18
See 5-3. Repairing
Main PCB
Resolder STB LED(LED FPCB)
NO
If controlling button and
mode dial, it operates
KEY recognition Buzzer
sound is generated.
After about 2 minutes,“E10”
will be displayed in Status
LCD
Resolder CPU(U2) Pin
: #54 to #57 Pin
: #77 to #80 Pin
Resolder U3/U4/U5/U6
Resolder CPU(U2) Pin
: #39 to #41,48 Pin
Resolder connector (J2) Pin
: #7/#9/#11/#13 Pin
Replace KEY FPCB Ass’y
NO
NO
57
Ⅵ. TROUBLESHOOTING & MAINTENANCE
1. Check Buzzer sound
2. Check Mode Dial conversion
3. Check if the current 600mA (If error occurred, See Merr 8)
Mode Dial→MACRO→
CAMERA→PLAY→MACRO
Menu Key→Right→Left
→Down→Up→Menu Key
Status(Erase)Key
“ON”, “OFF”
Enter Key “ON”, “OFF”
LCD Key “ON”, “OFF”
Zoom Key operation
T ↔ W 2 times
1. check TV Monitor
2. Remove video cable
3.Check TFT-LCD screen
Start
Mode Dial → PLAY
Power Switch “ON”
1. Check buzzer sound(if error occurred, See Merr 1)
2. Check of the current being 500mA(If error occurred, See Merr 2)
1. Check if Zoom operation Checking current being 800mA.
(if error occurred, See Merr 9)
1. Check TFT-LCD User I/F (If error occurred, See Merr 10)
1. Check TFT-LCD backlight control terminal
(If error occurred, See Merr 11)
Setting in TFT-LCD or TN-LCD
1. Check SUB↔HOST micom communication
(TN-LCD “BOOT”display continuously →
See
Merr 3)
2. Check HOST↔ZORAN micom communication
(Green LED ON continuously →
See
Merr 4)
3. Check ZORAN Card related I/F (“Card ERROR”display →
See
Merr 5)
4. Check Video ZORAN related (No image on TV monitor →
See
Merr 6)
5. Check TFT-LCD I/F related (No image on TFT-LCD →
See
Merr 7)
6-3. MAIN PCB ERROR
Fill-in flash mode setup
58
Ⅵ. TROUBLESHOOTING & MAINTENANCE
1. check of shutter button operated on the 1st stage and the current being 1.0A
(If Error occurred, → See Merr 12)
2. check of shutter button operated on the 2nd stage and the current being 1.1A
(If Error occurred,→ See Merr 13)
3. Check of strobo operated and illuminated (If Error occurred,→ SeeMerr 14)
4. Check for photo Sensor Circuit and photo sensor open/close.
(If Error occurred,→ See Merr 15)
Mode Dial→MACRO→
shutter button 1st stage→
2nd stage→Photographing
(with photo sensor)
Shutter button 1st stage→
2nd stage→Photographing
(With photo sensor open)
Mode Dial→PLAY
Check screen TFT-LCD
Mode Dial→PLAY
Check TFT-LCD screen
When inserting and
removing CF Card 2 Times,
check “Card Error”
Power switch→“OFF”
End
1. Check Card recognition, if “card Error”displayed
(If error occurred, See Merr 5)
1. Check PR circuit, If TN LCD is extinguished 3 seconds of Power OFF
(If error occurred, See Merr 16)
59
Ⅵ. TROUBLESHOOTING & MAINTENANCE
Check the mounting status
of CP 8,9,10
Check the mounting status
of CP11,Rp1,and RP2
Check if Pin J2 #4, 6,and
other pins being short.
check of Pin J3 #2 and
other pins being short.
UP3 #3=3.3V? CP11-1=3.3V?
Buzzer sound can not be
heard.
Check the SUB PCB
power,VCC3-KA is 3.3V?
Battery check power,
BAT-CHK is 2.7V?
MAIN Power,
+3.3VCC(MAIN)=3.3V?
MERR1
YES YES
NO NO
Check if Pin J3 #20, 22, 24
and other pins being short.
Check if pin J3 #20, 22, 24
and other pins being short.
Check if J3 pin #19, 21, 23
and other pins being short.
UP3 #2=5.6V? UP4 #3=5.6V? UP4 #2=3.3V?
60
Ⅵ. TROUBLESHOOTING & MAINTENANCE
J3
UP4
#2=3.3V
#3=5.6V
RP1,2
CP8,9,10
CP11=3.3V
UP3
#2=5.6V
#3=3.3V