Sony HCD-EC68P driver and firmware
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Service Manual - Page 4
HCD-EC68P/EC78P
HOW TO OPEN THE TRAY WHEN POWER SWITCH TURN OFF
Pull the tray by the hand.
(EXCEPT EC78P: UK)
boss
Slide the boss by a driver.
(EC78P: UK)
lever
gear
Turn a gear by a driver till a lever falls down
to the position of the figure.
HOW TO REMOVE THE KNOB (VOL) knob (VOL)
hole
front panel block (back view)
Push the knob (VOL) by the flat head driver.
4
Service Manual - Page 6
... on the system, and then select the AUDIO IN function.
To connect a DIGITAL MEDIA PORT adaptor Connect the DIGITAL MEDIA PORT adaptor to the DMPORT on the unit. You need to connect the DIGITAL MEDIA PORT adaptor to an optional audio device (portable audio player, etc.).
Notes on DIGITAL MEDIA PORT adaptor • Available DIGITAL MEDIA PORT adaptors vary in each area. • Do...
Service Manual - Page 8
... on the system, and then select the AUDIO IN function.
To connect a DIGITAL MEDIA PORT adaptor Connect the DIGITAL MEDIA PORT adaptor to the DMPORT on the unit. You need to connect the DIGITAL MEDIA PORT adaptor to an optional audio device (portable audio player, etc.).
Notes on DIGITAL MEDIA PORT adaptor • Available DIGITAL MEDIA PORT adaptors vary in each area. • Do...
Service Manual - Page 12
HCD-EC68P/EC78P
3-4.
MAIN BOARD
RH MAIN board
RG two screws (BVTP3 × 6)
connector (CN151) (EC78P)
flexible flat cable (5 core) (CN603)
flexible flat cable (5 core) (CN602) (EC78P)
RE two screws (BVTP3 × 10) (EC78P)
connector (CN633)
connector (CN601)
RT two screws (BVTP3 × 10)
RB screw (BVTP3 × 10)
flexible flat cable (31 core) (CN803)
flexible flat cable...
Service Manual - Page 13
...) (CN609)
flexible flat cable (31 core) (CN803)
front panel block
HCD-EC68P/EC78P
boss
door (1 CD)
flexible flat cable (5 core) (CN001)
flexible flat cable (9 core) (CN605)
pull the tray by hand.
two screws (BVTP3 × 10)
3-7. BACK PANEL BLOCK
connector (CN601)
connector (power cord) (CN053)
screw (BVTP3 × 10)
Slide the boss by a driver.
two screws (BVTP3...
Service Manual - Page 14
HCD-EC68P/EC78P
3-8. 3 CD MECHANISM BLOCK (EC78P: UK)
flexible flat cable (21 core) (MAIN board: CN608/ CD board: CN201)
3 CD mechanism block
flexible flat cable (13 core)
two screws (BVWH)
cover (DLM3)
four screws (BVTP3 × 10)
two tapes Note: When installing the CD mechanism section,
install two tapes for prevention of noise.
3-9. BASE UNIT (EC78P: UK)
insulator
...
Service Manual - Page 19
HCD-EC68P/EC78P
[CD SERVO TEST MODE] This mode can check the servo system operations of the optical pick-up system (= optical unit + CD board).
Note1: Do not enter the [CD SERVO TEST MODE] while any ... in the CD Servo Test Mode, that are the S-Curve Mode, the RAM Read Mode, the RAM Write Mode, the Command Out Mode and the Error Rate Mode as described below. Also, use these keys to move between the...
Service Manual - Page 25
...: UK)
MOTOR DRIVE Q311 - 318
CD MECHANISM DECK
M1+ M1M2+ M2-
SW1 SW3 SW2 I-CHACK I-STOCK I-OPEN I-CLOSE
(EC68P/EC78P: US, Canadian)
MOTOR DRIVER IC303
M
M001 (LOADING)
OPEN CLOSE
S001 DISC TRAY OPEN/CLOSE DETECT
• R-ch is omitted due to same as L-ch. • SIGNAL PATH
: FM : AM
: CD PLAY
HCD-EC68P/EC78P
HCD-EC68P/EC78P
25...
Service Manual - Page 37
... 1k
R422 4.7k
I-KEY-WAKE-UP/VOL
R379 68k R378 33k
R377 10k
IC302
REMOTE CONTROL RECEIVER
IC302 NJL24H400B
3
1
2
3.1 VCC 1 3.1 OUT 3
GND 2
I-RMC
R381 10k
C313 0.22
R380 470
SW318
PLAY MODE TUNING MODE
SW317 DSGX
SW316 EQ
SW315 -
SW314 +
SW313
SW312
SW311 CD
SW319 DISPLAY
S301 ROTARY ENCODER
VOLUME
HCD-EC68P/EC78P
37
37
Service Manual - Page 45
HCD-EC68P/EC78P
PANEL BOARD IC301 MB90F831PF-G-SPE1 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
SEG32
O Segment drive signal output to the liquid crystal display
2
O-AMP-ON
O Relay drive signal output terminal (for speaker)
3
O-POWER
O Main power on/off control signal output terminal "H": on
4
O-CD-ON
O CD power on/off control signal output terminal "H": on
5 to 7
I-...
Service Manual - Page 48
HCD-EC68P/EC78P
7-2. FRONT PANEL SECTION
not supplied
(KEY POWER board)
56
55
not supplied
not supplied
54
not supplied
53
52
61 51
57 56
56 58
56 59
not supplied (KEY CD board)
not supplied (JACK HOLD board)
not supplied
56
(JACK board)
60
62
56
64
63 DMP board
Ref. No.
51 52 52 53 53...