Sony HDV HVR-1500 Service Manual page 31

(2) Replacing Memory Backup Battery (IC538/
SSS-12 board)
A backup battery is attached to IC538 on the SSS-12 board.
w
When replacing the part, be sure to use the specified one
below.
Use of an unspecified part may result in burst, fire or heating.
Replacement part
Model: M4Z28BR00SH1
Part No.: ! 1-528-749-12
Recommended replacement cycle:
About 6 years
n
When becoming replacement time, displays
an error message to monitor screen and
counter display. (For details, refer to the
operating instructions.)
Replacement
n
When replacing the battery, install a new battery in correct
orientation of the mark.
1. Turn off the power of the unit.
2. Remove the SSS-12 board. (Refer to Section 6-26-1.)
3. Insert a flat-blade screwdriver between the battery and
IC538 and detach the battery.
SSS-12 board
Flat-blade screwdriver
4. Install a new battery matching its mark with the mark
on IC538.
5. Install the SSS-12 board.
6. Restart the unit.
7. The alarm is displayed, the setup menu is saved.
HVR-1500
Battery
Mark
IC538
Mark
(adress: D-3)
(3) Replacing EEPROM (IC156/AVP-7 board)
1. Turn off the power of the unit, and then remove the
AVP-7 board. (Refer to Section 6-26-1.)
2. Replace IC516 (A-8/side A).
3. Install the AVP-7 board, and then turn on the power of
the unit.
4. Perform the video adjustment. (Refer to Section 8-3.)
(4) Replacing EEPROM (IC8/DR-428BG board)
n
Even if this EEPROM is replaced in the field, no data can
be initialized. When you need to replace this EEPROM,
contact your local Sony Sales Office/Service Center.
(5) Replacing EEPROM (IC300/KY-616 board)
1. Turn off the power of the unit, and then remove the
KY-616 board. (Refer to Section 6-26-10.)
2. Replace IC300 (C-1/side A).
3. Install the KY-616 board, and then turn on the power
of the unit.
4. Perform the LCD adjustment. (Refer to Section 8-5.)
(6) Replacing EEPROM (IC501/RP-133 board)
1. Turn off the power of the unit, and then remove the
RP-133 board. (Refer to Section 6-26-12.)
2. Replace IC501 (A-3/side A).
3. Install the RP-133 board, and then turn on the power
of the unit.
4. Perform the RP adjustment as follows.
(Refer to Section 4-3-6.)
. PLL F0
. EQ AUTO ADJ
. EQ MANUAL ADJ
. REC CURRENT
. FE CHECK
(7) Replacing NV-RAM (IC538/SSS-12 board)
Replace IC538, after detaching the battery. The other
replacement steps are the same as those in (2) Replacing
Memory Backup Battery (IC538/SSS-12 board).
(8) Replacing EEPROM (IC539/SSS-12 board)
1. Turn off the power of the unit, and then remove the
SSS-12 board. (Refer to Section 6-26-1.)
2. Replace IC539 (E-5/side A).
3. Install the SSS-12 board.
4. Turn on the power of the unit while pressing the
[MENU], [SET], and [RESET] keys simultaneously.
5. Press the [SET] key, and initialize the EEPROM.
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