View Sony CDP-S3 / MHC-S3 Service Manual online
in MHC-S7AV or MHC-S3.
(Square optical connector jack, rear panel)
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
static break-down because of the potential difference generated
by the charged electrostatic load, etc. on clothing and the human
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
The flexible board is easily damaged and should be handled with
on the disc reflective surface by the objective lens in the optical
pick-up block. Therefore, when checking the laser diode emis-
sion, observe from more than 30 cm away from the objective lens.
check that the S curve waveforms is output three times.
• Notice that the minus side of a tantalum capacitor may be dam-
BLOCK OR BASE UNIT
other than those specified herein may result in hazardous ra-
The CLASS 1 LASER PRODUCT MARKING is located on
the rear exterior.
exceeding the limit for Class 1.
6-3. Schematic Diagram –BD Section – ............................... 15
6-4. Printed Wiring Boards – CD CHANGER Section – ..... 16
6-5. Schematic Diagram – CD CHANGER Section – ......... 17
6-6. Printed Wiring Board – MAIN Section – ...................... 18
6-7. Schematic Diagram – MAIN Section – ......................... 19
6-8. Printed Wiring Boards – PANEL Section – .................. 20
6-9. Schematic Diagram – PANEL Section – ....................... 21
6-10. IC Pin Function Description ........................................... 24
7-2. CD Mechanism Deck Section-1
The MHC-S7AV or MHC-S3 system configuration is as shown
below, and therefore it does not operate normally unless all four
components are connected.
In performing the repair, connect all components with the system
Note: The precaution to the users is described on the label stuck on
the back panel (CD player) and in the troubleshooting section in
the Operation Manual.
written in the CD on its fluorescent indicator tube.
The CD-TEXT TEST DISC (TGCS-313:4-989-366-01) is used
for checking the display.
To check, perform the following procedure.
For details of the displayed contents for each track, refer to “Table
1 : CD-TEXT TEST DISC TEXT Data Contents”.
erly. These will be displayed as a space or a character resembling
(TRACKS No. 1 to 20:Normal Characters)
DISC 1–3 indicators ej
DISC 1–3 Z (eject) wl (14)
PLAY MODE wj (14, 15, 21)
REPEAT wk (14)
N (play) eh (14, 15)
X (pause) eg (14)
x (stop) ef (14, 20)
. (go back) ed (14, 15, 21)
> (go forward) es (14, 15, 21)
m (rewind) e; (14)
M (fast forward) ea (14)
CHECK 5 (15)
CLEAR 6 (15)
CLOCK/TIMER SELECT qj
DISPLAY ws (13, 16, 18, 29, 35)
D.SKIP 4 (14)
ENTER wg (10, 12, 13, 15, 17,
EQ ON/OFF qf (10, 28)
FUNCTION wf (10, 14, 15, 20,
SLEEP 7 (29)
SUR wd (25)
TAPE A hH ea (19, 35)
TAPE B hH e; (19, 20, 35)
TUNER/BAND wl (17)
TUNING + 9 (17)
TUNING – wh (17)
TV CH +/– ql
TV VOL +/– w;
TV @/1 2
VOL +/– qh
X (pause) q;
x (stop) 8
. (go back) wk
> (go forward) wj
m (rewind) wh
M (fast forward) 9