OLYMPUS C-40 Zoom Repair Procedure V1R4

D. REPAIR PROCEDURE
C-40ZOOM/D-40ZOOM
D. REPAIR PROCEDURE
[1] TROUBLESHOOTING GUIDE .................................................................................. D-2
TAKING INOPERATIVE .......................................................................................... D-2
POWER LOSS INOPERATIVE ............................................................................... D-2
NO PICTURE .......................................................................................................... D-2
D-1 Ver. 1
[1] TROUBLESHOOTING GUIDE
D. REPAIR PROCEDURE
C-40ZOOM/D-40ZOOM
POWER LOSS INOPERTIVE
CHECK PFC include
IC301-90 (SCAN IN 5)
PULSE INPUT
YES
IC302-7 (UNREG)
HIGH
IC301-81
(VDD)
HIGH
IC301-84 (RESET)
HIGH
IC301-85
(BAT OFF)
HIGH
IC301-80
OSCILLATION
YES
IC301-82
OSCILLATION
YES
NO
POWER SW, CN304,
LOW
CHECK PW1, CA2
LOW
LOW
LOW
NO
NO
CHECK IC302
CHECK IC302, R3006
CHECK R3007
CHECK X3001
CHECK X3002,
R3011, C3009, C3010
R3021
TAKING INOPERATIVE
PUSH SHUTTER
BUTTON
IC301-6, 89 (SCAN IN 2, 3) PULSE INPUT
YES
CN306-6, 8
(P ON, P(A) ON)
HIGH
CN306-30, 31, 33
HIGH
YES
SERIAL
COMMUNICATION
OK
CHECK CA2
CHECK PFC include
NO
CN303, R3004, RB301
LOW
NO
IC301, CA2, PW1
NG
CHECK IC301, CA2
SHUTTER SW,
CHECK IC301,
R3025, PW1
CHECK
CHECK IC301
NO PICTURE
CLK (96 MHz)
INPUT TO
IC102-283 (CLK IN 1)
NO
CLK (36 MHz)
INPUT TO
IC101-132 (CLK IN 1)
OK
IC101-61 (ZAS)
OK
IC101-52 (ZBREQ)
OK
IC101-56
(ZBGRNT)
OK
IC101-118, 119
(IRL1, 2)
OK
CHECK SOLDERING OF
EACH CPU AND
MEMORY PIN
MAIN CLOCK FOR SYSTEM OPERATION
YES
NO OPERATION IF ABSENT CHECK X1101 OSCILLATOR AND IC111
NG
BASIC CPU BLOCK CHECK IC102-272
ALWAYS APPEARS WHEN CPU, ETC. IS ACCESSED
NG
CHECK IF CPU IS READKING PROGRAM, AND CHECK ADDRESS AND DATA BUS OF IC121
REQUEST FOR USE OF DATA BUS FROM
NG
ASIC TO CPU NO DMA TRANSMISSION IF ABSENT
RECEIVES ZBREQ SIGNAL AND GIVES PERMISSION
NG
TO ASIC FOR USE OF DATA BUS NO DMA TRANSMISSION IF ABSENT
INCORRECT HANDSHAKING BETWEEN 8-BIT
NG
CPU AND RS-232C CHECK EACH INTERFACE
D. REPAIR PROCEDUREC-40ZOOM/D-40ZOOM
2002.08.20
C-40ZOOM
DOCUMENT
CA-2 EXCHANGE PROCEDURE
Refer to the service manual for each adjustment.
Ver.1/Rev.4
D-3
PAGEDATEDCHANG DAYDRAWN
D. REPAIR PROCEDURE
UNIT CONTROL BACK
C-40ZOOM/D-40ZOOM
SCREW_c
SCREW_a
A2002.07.30 2002.07.24 1
COVER CARD
COVER BATTERY
1
CABI BACK
2
SCREW_b
COVER CARD SW
SCREW_d
ASSEMBLE INSTRUCTION
SCREW : b SHLPN174R0SM- 1
・ Remove FPC of UNIT CONTROL BACK fron SY-1.
ASSEMBLE PROCEDURES
MODEL NAME
C-40ZOOM
SCREW : a SHLPN174R0SA- 2
the main part.
Remove 2 screws , and remove COVER BATTERY from
1
the main part.
Remove 4 screws , and remove CABINET BACK from
2
c SHLPN175R0SM- 1
d SHLPN175R0SA- 2
CAUTIONS
open COVER CARD.
(In order to prevent COVER CARD SW breaking.)
・ The time of removing CABI BACK -- surely -- You have to
D-4
reinforcement board.
・ Be sure to perform FPC extraction and insertion by having a
Ver.1/Rev.4
PAGEDATEDCHANG DAYDRAWN
A2002.07.30 2002.07.24 2
D. REPAIR PROCEDUREC-40ZOOM/D-40ZOOM
COVER JACK
LEAF SW
FPC of UNIT CONTROL
SCREW_a
PAD L=12
1
CONNECTOR of MIC , SPEAKER
SCREW_a
2 3
ASSEMBLE INSTRUCTION
JIG
MODEL NAME
Ver.1/Rev.4
SCREW : a SHLPN174R0SA- 2
ASSEMBLE PROCEDURES
C-40ZOOM
Remove 2 screws, connector of MIC, connector of SPEAKER,
FPC of UNIT CONTROL TOP, and PAD on card socket.
1
as right photograph.
Remove CABI FRONT from the main part using JIG as shown
2
Remove connector of LEAF SW from SY-1.
3
D-5
CAUTIONS
open COVER JACK.
・ The time of removing CABI BACK -- surely -- You have to
reinforcement board.
・ Be sure to perform FPC extraction and insertion by having a
Loading...
+ 10 hidden pages