Sony HCD-DP900D Service Manual page 4

HCD-DP900D
Ver 1.5
SERVICE POSITION
MB board
Jig (J-2501-155-A)
to RF240 board : CN004
Jig (J-2501-199-A)
to RF240 board : CN002
CHANGE OF OPTICAL PICK-UP
Optical Pick-up has been replaced from KHM-240AAA (TYPE A) to KHM-270AAA (TYPE B) from the middle of production.
In parallel with that, certain parts of MB board have been changed.
TYPE A/B DISCRIMINATION
optical device
SILVER: KHM-240AAA (TYPE A)
BLACK: KHM-270AAA (TYPE B)
PARTS LIST OF EACH MODEL
MB BOARD
REF
R076 1-216-837-11 METAL CHIP
R077 1-216-815-11 METAL CHIP
R079 1-216-801-11 METAL CHIP
4
TYPE A
KHM-240AAA
22K 5%
330 5%
22 5%
• DISC TRAY LOCK
The disc tray lock function for the antitheft of an demonstration
disc in the store is equipped.
Releasing Procedure :
1. Press three buttons of PLAY MODE , x and m
simultaneously.
2. The message "UNLOCKED" is displayed and the tray is
unlocked.
Note : When "LOCKED" is displayed, the tray lock is not released
by turning power on/off with the POWER button.
NOTES ON MB BOARD EXCHANGE
If a MB board is exchanged, "DRIVE AUTO ADJUSTMENT'' may
be unable to be performed. In this case, initialize a memory in the
following procedure.
1. Starting Test Mode (See Supplement-1 page2).
2. Press the 2 button of remote commander to set the Drive
Manual Operation (See Supplement-1 page 8).
3. Press the 6 button of remote commander to set the Memory
Check (See Supplement-1 page 10).
Press the [CLEAR] button of remote commander to initialize a
4.
memory.
1/10W No Mount
1/10W 1-216-833-11 METAL CHIP
1/10W 1-216-845-11 METAL CHIP
TYPE B
KHM-270AAA
10K 5% 1/10W
100K 5% 1/10W