Note On Replacing The Rom - Sony DSR-570WS Service Manual

2-18-2. Note on Replacing the ROM

1. Replacing the ROM (IC703/AT-150B Board)
n
When replacing the ROM, remove the two screws, open
the AT-150B board, and remove the IC socket cover while
pushing the back side of ROM.
1 Remove the IC socket cover by pushing it in the arrow
direction until clicking.
2 Replace the former ROM by a new one.
3 Put the IC socket cover while keeping some space at
the arrow A side.
4 While pushing the ROM, push the IC socket cover in
reverse direction of arrow A until it clicks.
AT-127 board
Screws
IC703
ROM IC
2-44
IC socket cover
ROM IC
A
IC socket cover
Space
Push ROM IC
A
ROM IC
A
IC socket cover
2. Replacing the EEPROM
After replacing the EEPROM, initialize it using the
following menu.
EEPROM
SY EEPROM on the DPR-141B board (IC401)
SP EEPROM on the DPR-141B board (IC652)
EEPROM (IC1) on the HN-227 board
EEPROM (IC770) on the RP-91 board
. When the EEPROM (IC1) on the HN-227 board has been
replaced or initialized, perform mechanical adjustments in
the following procedures (Refer to each Section for
details).
1 10-2-1. Capstan FG-DUTY Adjustment
2 10-2-2. Reel FG-DUTY Adjustment
3 6-38. Reel Table FWD/REV Winding Torque Check
Adjustment
4 7-8. Switching Position Adjustment
. When the EEPROM (IC770) on the RP-91 board has been
replaced or initialized.
Perform an adjustment in the order of the maintenance
menus No.700, 701, 702, and 704
(Refer to Section 10-3 RF System Alignment for details).
. After replacing the FP-118A board or the EEPROM on the
FP-118A board, it is necessary to perform KY EEPROM
ECHO BACK DATA PRESET usingthe the maintenance
menu No. 752. (For details, refer to Section 2-18-4.)
. After replacing the TG-204 board or the EEPROM (IC1)
on the TG-204 board, it is neccessary to input the CCD
block number using service menu "PAGE 13".
(For details, refer to Section 4-2-3.)
WARNING
RESET
RESET
(MENU SET)
button
(MENU SET)
REC TIME SKIN DTL EXT VTR MENU ADVANCE
OUTPUT
TTL
ON COMPONENT.
DUR VBS
OFF
OFF Y/C
TTL RESET SET PRESET
MONITOR SELECT
VTR
TRIGGER
CH-1
MIX
CH-2
PARALLEL
EXT
INT ONLY
DATE/TIME
EXT ONLY
ClipLink
HYPER SET UP
FRONT MIC
CONTINUE
GAIN LOW CUT
ON FILE ON
OFF
OFF STD
MENU button
ADVANCE button
MENU No.
750
751
753
755
Display window (LCD)
LIGHT
OVER OVER
dB
PB DATE NDF EXT-LK HOLD
ON
0
OFF
-12
H MIN SEC FRM
-20
CL CONT IP
CLIP
DISPLAY
-30
TAPE DVCAM
COUNTER
-40
BATT
E F Li ∞
TC
-
F 32k U-BIT
DIAG 1 8 2
RF SERVO HUMID SLACK
F 48k
8
SHIFT
AUDIO LEVEL
F-RUN
AUTO
MAN
AUDIO SELECT
REGAIN SET
CH-1 CH-2
LITHIUM BATT
R-RUN
AUDIO IN
MONITOR OUT
FRONT
CHARACTER
VJ MIC
WRR
REAR
ON
OFF
SHIFT button
DSR-570WS/570WSP V1