Sony HCD-RV777D / HCD-RV888D / HCD-RV999D / MHC-RV777D / MHC-RV888D / MHC-RV999D Service Manual ▷ View online
9
HCD-RV777D/RV888D/RV999D
1-6. DECISION TO PASS OR FAIL OF THE OPTICAL PICK-UP BLOCK
1-5. NOTE OF TRANSFORMER
oscilloscope
+
DMB07 board
CN901 pin 1
–
CN901 pin 3
CD : 1.05
±
0.2 Vp-p
VOLT/DIV : 200 mV
TIME/DIV : 500 nS
TIME/DIV : 500 nS
DVD : 1.09
±
0.2 Vp-p
RF signal waveform
– DMB07 BOARD (SIDE A) –
CN901
1
7
Connection:
Procedure:
1. Connect an oscilloscope to test point 1 pin and 3 pin of CN901
1. Connect an oscilloscope to test point 1 pin and 3 pin of CN901
on the DMB07 board.
2. Turn the power on.
3. Put the disc (LUV-P01) (Part No.: 4-999-032-01) (CD) in to
3. Put the disc (LUV-P01) (Part No.: 4-999-032-01) (CD) in to
playback.
4. Confirm that oscilloscope waveform is clear and check RF
signal level is correct or not.
5. Put the disc (TDV-520CSO) (Part No.: J-2501-236-A) (DVD)
in to playback.
6. Perform Comfirmation in the same manner as step 4.
Note:
A clear RF signal waveform means that the shape “
◊” can be clearly
distinguished at the center of the waveform.
Checking Location:
transformer
(T901)
(T901)
more than 3mm
power cord
Pull the power cord in the direction of the arrow
A
with care to keep the cord from
contact with the transformer (T901).
Then fix the cord using two clips
indicated by the arrow
contact with the transformer (T901).
Then fix the cord using two clips
indicated by the arrow
B
.
back panel
australian, saudi arabia
model only
model only
SUB TRANS board
A
B
B
NOTE: Make sure that the power cord is distant
more than 3mm from the transformer (T901).
more than 3mm from the transformer (T901).
10
HCD-RV777D/RV888D/RV999D
SECTION 2
GENERAL
This section is extracted
from instruction manual.
from instruction manual.
11
HCD-RV777D/RV888D/RV999D
12
HCD-RV777D/RV888D/RV999D
SECTION 3
DISASSEMBLY
Note : Disassemble the unit in the order as shown below.
3-1.
CASE
(Page 13)
(Page 13)
3-2.
CD DOOR
(Page 13)
(Page 13)
SET
3-12. RF BOARD,
PICK-UP UNIT
(Page 19)
(Page 19)
3-14. SENSOR BOARD
(Page 20)
3-15. MOTOR (TB) BOARD
(Page 20)
3-16. MOTOR (LD) BOARD
(Page 21)
3-13. SW BOARD,
DRIVER BOARD
(Page 19)
(Page 19)
3-3.
FRONT PANEL SECTION,
DVD BLOCK SECTION
(Page 14)
DVD BLOCK SECTION
(Page 14)
3-7.
BACK PANEL SECTION
(Page 16)
(Page 16)
3-8.
MAIN BOARD (HCD-RV888D/RV999D)
(Page 17)
(Page 17)
3-9.
MAIN BOARD (HCD-RV777D)
(Page 17)
(Page 17)
3-10. SURROUND AMP BOARD,
FRONT AMP BOARD
(HCD-RV888D/RV999D)
(Page 18)
(HCD-RV888D/RV999D)
(Page 18)
3-11. DVD MECHANISM BLOCK,
DMB07 BOARD,
VIDEO BOARD
(Page 18)
VIDEO BOARD
(Page 18)
3-5.
PANEL BOARD
(Page 15)
(Page 15)
3-4.
TAPE MECHANISM DECK
(Page 15)
(Page 15)
3-6.
JACK BOARD
(Page 16)
(Page 16)
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