Sony HCD-C770 - Hi Fi Components User manual

SERVICE MANUAL
SACD/DVD RECEIVER
US Model
Canadian Model
HCD-C770/C990
AEP Model
Australian Model
HCD-C770
HCD-C770/C990
Ver 1.3 2003.01
9-874-059-04 Sony Corporation
2003A0500-1 Home Audio Company
C2003.01 Published by Sony Engineering Corporation
SPECIFICATIONS
HCD-C770/C990 is the amplifier, DVD/CD
player and tuner section in DAV-C770/C990.
Model Name Using Similar Mechanism NEW
Mechanism Type CDM69-DVBU16
Base Unit Name DVBU16
Optical Pick-up Name TDP022W
AUDIO POWER SPECIFICATIONS (C770: US model)
POWER OUTPUTAND TOTAL HARMONIC DISTORTION:
With 3 ohm loads, both channels driven, from 150 – 10,000 Hz; rated
70 watts per channel minimum RMS power, with no more than 1 %
total harmonic distortion from 250 milliwatts to rated output.
Amplifier section
Stereo mode (C770) 90 W + 90 W (3 ohms at 1 kHz, THD 10 %)
Surround mode (C770) Front: 90 W + 90 W
Center*: 90 W
Rear*: 90 W + 90 W (3 ohms at 1 kHz, THD 10 %)
Subwoofer*: 100 W (3 ohms at 100 Hz, THD 10 %)
*Depending on the sound field settings and the source, there may be no sound output.
Inputs (Analog) VIDEO 1, 2:
Sensitivity: 150 mV
Impedance: 50 kilohms
Inputs (Digital) VIDEO 2 (optical):
Sensitivity: –
Outputs (Analog) VIDEO 1 (AUDIO OUT):
Voltage: 2 V
Impedance: 1 kilohms
PHONES:
Accepts low- and high-impedance headphones
AUDIO POWER SPECIFICATIONS (C990: US model)
POWER OUTPUTAND TOTAL HARMONIC DISTORTION:
With 3 ohm loads, both channels driven, from 150 – 10,000 Hz; rated
75 watts per channel minimum RMS power, with no more than 1 %
total harmonic distortion from 250 milliwatts to rated output.
Stereo mode (C990) 100 W + 100 W (3 ohms at 1 kHz, THD 10 %)
Surround mode (C990) Front: 100 W + 100 W
Center*: 100 W
Rear*: 100 W + 100W (3 ohms at 1 kHz, THD 10 %)
Subwoofer*: 100 W (3 ohms at 100 Hz, THD 10 %)
– Continued on next page –
Photo: HCD-C770
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

HCD-C770/C990
2
Note: Refer to the “5. TEST MODE” (page 22) for another self-diagnosis
function.
Self-diagnosis Function
(When letters/numbers appear in the
display)
When the self-diagnosis function is
activated to prevent the system from
malfunctioning. In this case a five-character
service number (e.g., C 13 00) with a
combination of a letter and digits appears on
the screen and the front panel display. Refer
to the following table.
First three
characters of
the service
number
C 13
C 31
E XX
(xx is a number)
Cause and/or Corrective
Action
The disc is dirty.
,Clean the disc with a soft
cloth.
The disc is not inserted
correctly.
,Re-insert the disc
correctly.
To prevent a malfunction, the
system has performed the self-
diagnosis function.
,Contact your nearest Sony
dealer or local authorized
Sony service facility and
give the 5-character
service number.
Example: E 61 10
C:13:00
SELF DIAGNOSIS FUNCTION
Super Audio CD/DVD system
Laser Semiconductor laser
(Super Audio CD/DVD: λ= 650 nm)
(CD: λ= 780 nm)
Emission duration: continuous
Signal format system NTSC or NTSC/PAL
Frequency response (at 2 CH STEREO mode)
DVD (PCM): 2 Hz to 22 kHz (±1.0 dB)
CD: 2 Hz to 20 kHz (±1.0 dB)
Signal-to-noise ratio More than 80 dB (VIDEO 1 (AUDIO) connectors only)
Harmonic distortion Less than 0.03 %
FM tuner section
System PLL quartz-locked digital synthesizer system
Tuning range
North American model: 87.5 – 108.0 MHz (100 kHz step)
Other models: 87.5 – 108.0 MHz (50 kHz step)
Antenna FM wire antenna
Antenna terminals 75 ohms, unbalanced
Intermediate frequency 10.7 MHz
AM tuner section
System PLL quartz-locked digital synthesizer system
Tuning range
North American model: 530 – 1,710 kHz (with the interval set at 10 kHz)
531 – 1,710 kHz (with the interval set at 9 kHz)
European model: 531 – 1,602 kHz (with the interval set at 9 kHz)
Other models: 531 – 1,602 kHz (with the interval set at 9 kHz)
530 – 1,710 kHz (with the interval set at 10 kHz)
Antenna Loop antenna
Intermediate frequency 450 kHz
Video section
Inputs Video: 1 Vp-p 75 ohms
Outputs Video: 1 Vp-p 75 ohms
S video:
Y: 1 Vp-p 75 ohms
C: 0.286 Vp-p 75 ohms
COMPONENT:
Y: 1 Vp-p 75 ohms
P
B /C B , P R /C R : 0.7 Vp-p 75 ohms
General
Power requirements
North American model: 120 V AC, 60 Hz
European model: 230 V AC, 50/60 Hz
Australian model: 220 – 240 V AC, 50/60 Hz
Power consumption (C770) 135 W (120V AC) 135 W (230V AC)
1 W (120 V AC) 2 W (230 V AC)
Dimensions (approx.) ×70 ×335 mm (14 ×2
7
/ 8 ×13
1
/ 4 inches) (w/h/d)
incl. projecting parts
Mass (approx.) 4.4 kg (9 lb 12 oz)
Operating temperature 5˚C to 35˚C (41˚F to 95˚F)
Operating humidity 5 % to 90 %
Desi
g
n and s
p
ecifications are sub
j
ect to chan
g
e without notice.
355
Power consumption (C990) 140 W (120V AC)
1 W (120 V AC) (at the Power Saving Mode)
(at the Power Saving Mode)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

HCD-C770/C990
3
Notes on chip component replacement
•Never reuse a disconnected chip component.
•Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
Flexible Circuit Board Repairing
•Keep the temperature of the soldering iron around 270 ˚C dur-
ing repairing.
•Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
•Be careful not to apply force on the conductor when soldering
or unsoldering.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous ra-
diation exposure.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0
SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE
DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ
DE FONCTIONNEMENT. NE REMPLACER CES COM-
POSANTS QUE PAR DES PIÈCES SONY DONT LES
NUMÉROS SONT DONNÉS DANS CE MANUEL OU
DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0OR DOTTED
LINE WITH MARK 0ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
This appliance is classified as a
CLASS 1 LASER product. The label
is located on the bottom exterior.
This label is located on the bottom
exterior.
SAFETY CHECK-OUT
After correcting the original service problem, perform the follow-
ing safety check before releasing the set to the customer:
Check the antenna terminals, metal trim, “metallized” knobs,
screws, and all other exposed metal parts for AC leakage.
Check leakage as described below.
LEAKAGE TEST
The AC leakage from any exposed metal part to earth ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microamperes.).
Leakage current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers’instructions to use these
instruments.
2. A battery-operated AC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
3. Measuring thevoltage dropacrossa resistorbymeans of aVOM
or battery-operatedAC voltmeter. The“limit” indication is 0.75
V, so analog meters must have an accurate low-voltage scale.
The Simpson 250 and Sanwa SH-63Trd are examples of a pas-
sive VOM that is suitable. Nearly all battery operated digital
multimeters that have a 2 VAC range are suitable. (See Fig.A)
Fig. A. Using an AC voltmeter to check AC leakage.
1.5 k Ω 0.15 µFAC
voltmeter
(0.75 V)
To Exposed Metal
Parts on Set
Earth Ground
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

HCD-C770/C990
4
TABLE OF CONTENTS
SELF DIAGNOSIS FUNCTION .................................... 2
1. SERVICING NOTES ............................................... 5
2. GENERAL
Location of Controls ...................................................... 6
3. DISASSEMBLY
3-1. Disassembly Flow .......................................................... 9
3-2. Front Panel (AL) Section, Side Panel (L)/(R)............... 10
3-3. Mechanism Deck (CDM69-DVBU16) .......................... 10
3-4. POWER SW Board ........................................................ 11
3-5. AUDIO Board, VIDEO Board ....................................... 11
3-6. AMP Board .................................................................... 12
3-7. POWER Board ............................................................... 12
3-8. DVD Board..................................................................... 13
3-9. Optical Pick-up (DVBU16) ........................................... 13
3-10. Pick-up Unit (TDP022W) .............................................. 14
3-11. SW Board, Bracket (Top) assy ...................................... 14
3-12. RELAY Board ................................................................ 15
3-13. Motor (Stocker) Assy (Stocker) (M781) ....................... 15
3-14. Motor (Stocker) Assy (Roller) (M771) ......................... 16
3-15. Motor (Stocker) Assy (Mode) (M761) .......................... 16
3-16. Rubber Roller (Slider) Assy .......................................... 17
3-17. Timing Belt (Front/Rear) ............................................... 17
3-18. Cam (Gear) ..................................................................... 18
3-19. SENSOR Board.............................................................. 18
4. ASSEMBLY
4-1. How to Install the Cam (Eject Lock)............................. 19
4-2. How to Install the Cam (Gear)....................................... 19
4-3. How to Install the Gear (Mode 2).................................. 20
4-4. How to Install the Gear (Mode Cam) ............................ 20
4-5. How to Install the Rotary Encoder (S702),
Gear (Stocker Communication) ..................................... 21
4-6. How to Install the Stocker Assy .................................... 21
5. TEST MODE............................................................. 22
6. DIAGRAMS
6-1. Block Diagram – RF SERVO Section – ....................... 30
6-2. Block Diagram – AUDIO (DSP) Section – .................. 31
6-3. Block Diagram – AUDIO OUT, PANEL Section – ..... 32
6-4. Block Diagram – VIDEO Section – ............................. 33
6-5. Block Diagram
– CHANGER, POWER SUPPLY Section – ................. 34
6-6. Note for Printed Wiring Boards and
Schematic Diagrams ...................................................... 35
6-7. Printed Wiring Boards – RF Section – ......................... 36
6-8. Schematic Diagram – RF Section –.............................. 37
6-9. Printed Wiring Boards – CHANGER Section –........... 38
6-10. Schematic Diagram – CHANGER Section – ............... 39
6-11. Printed Wiring Board
– DVD Board (Component Side) – ............................... 40
6-12. Printed Wiring Board
– DVD Board (Conductor Side) – ................................. 41
6-13. Schematic Diagram – DVD Board (1/10) – ................. 42
6-14. Schematic Diagram – DVD Board (2/10) – ................. 43
6-15. Schematic Diagram – DVD Board (3/10) – ................. 44
6-16. Schematic Diagram – DVD Board (4/10) – ................. 45
6-17. Schematic Diagram – DVD Board (5/10) – ................. 46
6-18. Schematic Diagram – DVD Board (6/10) – ................. 47
6-19. Schematic Diagram – DVD Board (7/10) – ................. 48
6-20. Schematic Diagram – DVD Board (8/10) – ................. 49
6-21. Schematic Diagram – DVD Board (9/10) – ................. 50
6-22. Schematic Diagram – DVD Board (10/10) – ............... 51
6-23. Printed Wiring Board – AMP Section (1/2) – .............. 52
6-24. Printed Wiring Boards – AMP Section (2/2) –............. 53
6-25. Schematic Diagram – AMP Section (1/2) – ................. 54
6-26. Schematic Diagram – AMP Section (2/2) – ................. 55
6-27. Printed Wiring Boards – AUDIO Section – ................. 56
6-28. Schematic Diagram – AUDIO Section – ...................... 57
6-29. Printed Wiring Board – VIDEO Section – ................... 58
6-30. Schematic Diagram – VIDEO Section – ...................... 59
6-31. Printed Wiring Boards
– DC-DC CONVERTER Section – ............................... 60
6-32. Schematic Diagram
– DC-DC CONVERTER Section – ............................... 61
6-33. Printed Wiring Boards – CONTROL Section – ........... 62
6-34. Schematic Diagram – CONTROL Section –................ 63
6-35. Printed Wiring Board – FL Board – ............................. 64
6-36. Schematic Diagram – FL Board – ................................ 65
6-37. Printed Wiring Boards – POWER Section (1/2) – ....... 66
6-38. Printed Wiring Boards – POWER Section (2/2) – ....... 67
6-39. Schematic Diagram – POWER Section – .................... 68
6-27. IC Pin Function Description .......................................... 86
7. EXPLODED VIEWS
7-1. General Section ............................................................. 105
7-2. Front Panel Section-1.................................................... 106
7-3. Front Panel Section-2.................................................... 107
7-4. Chassis Section-1 .......................................................... 108
7-5. Chassis Section-2 .......................................................... 109
7-6. Chassis Section-3 .......................................................... 110
7-7. Mechanism Deck Section-1 (CDM69-DVBU16) ........ 111
7-8. Mechanism Deck Section-2 (CDM69-DVBU16) ........ 112
7-9. Mechanism Deck Section-3 (CDM69-DVBU16) ........ 113
7-10. Mechanism Deck Section-4 (CDM69-DVBU16) ........ 114
7-11. Mechanism Deck Section-5 (CDM69-DVBU16) ........ 115
7-12. Mechanism Deck Section-6 (CDM69-DVBU16) ........ 116
7-13. Optical Pick-up Section (DVBU16) ............................. 117
8. ELECTRICAL PARTS LIST ............................. 118
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

5
HCD-C770/C990
SECTION 1
SERVICING NOTES
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
The laser diode in the optical pick-up block may suffer electro-
static break-down because of the potential difference generated
by the charged electrostatic load, etc. on clothing and the human
body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused
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.
JIG ON REPAIRING
When repairing this set, etc., connect the extension cable as the
figure shown below.
extension cable
(RF board-DVD board)
(Part No. J-2501-217-A)
extension cable
(DVD board-AMP board
)
(Part No. J-8000-024-A)
extension cable
(DVD board-AMP board)
(Part No. J-2501-198-A)
extension cable
(relay board-DVD board)
(Part No. J-2501-143-A)
RELEASING THE DISC SLOT LOCK
The disc slot lock function for the antitheft of an demonstration
disc in the store is equipped.
Releasing Procedure:
1. Press two buttons of [DISC 1] and xsimultaneously for five
seconds.
2. The message “UNLOCKED” is displayed and the slot is un-
locked.
Note: When “LOCKED” is displayed, the slot lock is not released by
turning power on/off with the [POWER] button.
CHECKING OF OPERATIONS WITH REMOTE
COMMANDERS OF DIFFERENT MODELS
Some of the signal of remote commander vary between generation
of player.
Between DAV-S400/S500/S800/C450/C700/C900 and DAV-S550/
S880/C770/C900, remote commander signal codes of
“FUNCTION”, “BAND”, “ST/MONO” and “MEMORY” are
different.
Take notice of the above when you check the operation with remote
commanders of different models.
Ver 1.3
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

6
HCD-C770/C990
1SPEAKER jacks
2AM antenna
3VIDEO 1 jacks
4VIDEO 2 jacks
5COMPONENT VIDEO OUT/SCAN
SELECT switch
6MONITOR OUT (VIDEO/SVIDEO)
jacks
7VIDEO 2 (OPTICAL DIGITAL IN)
jack
8COMPONENT VIDEO OUT jacks
9FM 75ΩCOAXIAL antenna jack
Rear Panel
WOOFER 3Ω
IMPEDANCE
USE
EXCEPT
WOOFER 3Ω
VIDEO 1
COMPONENT VIDEO OUT
VIDEO 2
VIDEO 2
MONITOR
OUT
FRONT
R
FRONT
L
REAR
RREAR L
CENTER WOOFER
COAXIAL
AUDIO OUT
AUDIO IN
LR LR
LR
VIDEO OUT
VIDEO IN
VIDEO INAUDIO IN
YP B /C B P R /C R
AM
FM
75Ω
OPTICAL
DIGITAL
IN
S VIDEOVIDEO
DVD
ONLY
SPEAKER
INTERLACE
SELECTABLE
SCAN SELECT
COMPONENT
VIDEO OUT
SECTION 2
GENERAL This section is extracted from
instruction manual.
LOCATION OF CONTROLS
Front Panel
1POWER switch
2STANDBY indicator
3DISC 1 (play) /A(Eject)/indicator –
DISC 5 (play) /A(Eject)/indicator
4H(play)
5X(pause)
6x(stop)
7./>PREV/NEXT, PRESET –/+
FUNCTION BAND DISPLAY SOUND FIELD
PHONES
STANDBY
8PHONES jack
9VOLUME control
0SOUND FIELD –/+
qa DISPLAY
qs BAND
qd FUNCTION
qf Disc slot
qg Front panel display
qh (remote sensor)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

7
HCD-C770/C990
ALL1 DISCS
TRACK INDEX M S
SHUFFLE
PROG PBC
REPEAT 1
DIGITAL
SACD
PCM
DIGITAL
PCM
PRO
ALL1 DISCS
LOGIC
TITLE CHAPTER H M S REPEAT 1 ANGLE
When playing back a Super Audio CD, CD,VIDEO CD, or MP3
When listening to the radio
FM AM
TUNED MONO ST
MHz
Current band
Preset number Monaural/Stereo effect
Current station
Playing status
Current track number Current play mode
Lights up during
PBC playback
(VIDEO CD only)
Playing time
Current index number
(The index indicator does not appear during Super
Audio CD or MP3 playback.)
Playing status
Current title number Playing time
Current sound
Current repeat
mode
Current chapter number
Current surround format
Front Panel Display
When playing back a DVD
Play mode
Play mode
Current sound
Lights up when you can
change the angle
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

8
HCD-C770/C990
Remote
123
456
7
>10 10/0
89
1TV [/1(on/standby)
2Z(EJECT)
3NAME
4STEREO/MONO
5MEMORY
6CLEAR
7PLAY MODE
8AUDIO
9ANGLE
q; SUBTITLE
qa VOL +/–
qs ./>PREV/NEXT, TV CH –/+,
PRESET –/+
qd HPLAY/SELECT
qf DVD TOP MENU
qg DVD DISPLAY
qh C/X/x/c/ENTER
qj DVD SETUP
qk 1(standby)
ql DISC SKIP
w; TV/VIDEO
wa REPEAT
ws MUTING
wd TIME
wf FUNCTION
wg BAND
wh Number buttons
wj SOUND FIELD
wk DISPLAY
wl ENTER
e; COMMAND MODE DVD TV switch
ea m/M// SLOW, TUNING –/+
es xSTOP
ed XPAUSE
ef DVD MENU
eg ORETURN
eh AMP MENU
Note
This remote control glows in the dark. However,
before glowing, the remote must be exposed to light
for awhile.
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

9
HCD-C770/C990
• This set can be disassembled in the order shown below.
3-1. DISASSEMBLY FLOW
SECTION 3
DISASSEMBLY
3-2. FRONT PANEL (AL)
SECTION,
SIDE PANEL (L)/(R)
(Page 10)
3-3. MECHANISM DECK
(CDM69-DVBU16)
(Page 10)
3-16. RUBBER ROLLER
(SLIDER) ASSY
(Page 17)
3-17. TIMING BELT
(FRONT/REAR)
(Page 17)
3-18. CAM (GEAR)
(Page 18)
3-19. SENSOR BOARD
(Page 18)
3-11. SW BOARD,
BRACKET (TOP)
ASSY (Page 14)
3-7. POWER BOARD
(Page 12) 3-6. AMP BOARD (Page 12)
3-8. DVD BOARD
(Page 13)
3-9. OPTICAL PICK-UP
(DVBU16) (Page 13)
3-10. PICK-UP UNIT
(TDP022W)
(Page 14)
3-15. MOTOR (STOCKER)
ASSY (MODE)
(M761) (Page 16)
3-14. MOTOR (STOCKER)
ASSY (ROLLER)
(M771) (Page 16)
3-4. POWER SW
BOARD
(Page 11)
3-5. AUDIO BOARD,
VIDEO BOARD
(Page 11)
3-13. MOTOR (STOCKER)
ASSY (STOCKER)
(M781) (Page 15)
3-12. RELAY BOARD
(Page 15)
SET
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

10
HCD-C770/C990
Note: Follow the disassembly procedure in the numerical order given.
3-2. FRONT PANEL (AL) SECTION, SIDE PANEL (L)/(R)
3-3. MECHANISM DECK (CDM69-DVBU16)
qa side panel (R)
0 two screws
(BVTP3 × 8)
1 three screws
(BVTP3 × 8)
8 two screws
(BVTP3 × 8)
9 side panel (L)
5 connector (CN900)
3
6 connector
(CN807)
7 front panel (AL)
section
4 wire (flat type) (CN814)
2 three screws
(BVTP3 × 8)
3 wire (flat type)
(CN701)
5 mechanism deck
(CDM69-DVBU16)
1 four screws
(BVTP3
× 8)
4 wire (flat type)
(CN002)
2
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

11
HCD-C770/C990
3-4. POWER SW BOARD
3-5. AUDIO BOARD, VIDEO BOARD
8 MD cover sub ass
y
2 SEL board
1 screw
(BVTP3 × 8)
4 two screws
(BVTP3 × 8)
7 four screws
(BTP3 × 6)
3 two screws
(BVTP3 × 8)
9 power button
section
0 power SW board
6 connector
(CN901)
5 connector
(CN900)
1 two screws
(BVTP2.6 × 8)
7 four screws
(BVTP3 × 8)
0 two screws
(BVTP3 × 8)
2 FM/AM tuner pack (DTP-001
)
3 wire (flat type)
(CN201)
4 wire (flat type)
(CN202)
6 connector
(CN205)
5 wire (flat type)
(CN208)
8 audio board
9 wire (flat type)
(CN203)
qa video board
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

12
HCD-C770/C990
3-6. AMP BOARD
3-7. POWER BOARD
2 two screws
(BVTP3 × 8
)
3
1 four screws
(BVTP3 × 8)
6 connector
(CN302)
5 wire (flat type)
(CN301)
8 AMP board
7 connector
(CN904)
4 wire (flat type)
(CN305)
5
7
power board
6 power sheet
1 connector
(CN904)
2 connector
(CN903)
3 connector
(CN902)
4 four screws
(BVTP3 × 8)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

13
HCD-C770/C990
3 boss
4 boss
5 boss
6 optical pick-up
(DVBU16)
1 screw
(PTPWHM2.6
)
2
3-8. DVD BOARD
3-9. OPTICAL PICK-UP (DVBU16)
7 wire (flat type)
(CN401)
6 wire (flat type
)
(CN003)
5 wire (flat type)
(CN002)
4 wire (flat type)
(CN006)
9 DVD board
8 two screws
(BVTP3
× 8)
2 two screws
(BVTP3
× 8)
1 two screws
(BVTP3
× 8)
3
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

14
HCD-C770/C990
3-10. PICK-UP UNIT (TDP022W)
3-11. SW BOARD, BRACKET (TOP) ASSY
holder (DBU1) section
6 flexible board
8 insulator
7 insulator
9 insulator
5 connector
(CN003)
2 step screw (M
)
1 step screw (M)
0 pick-up unit (TDP022W)
4
3 step screw (M)
6 six screws
(BVTP2.6 × 8)
5 SW board (4)
4 SW board (3)
3 SW board (2)
2 SW board (1)
7 bracket (top) assy
1 four screws
(BTP2.6 × 6)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

15
HCD-C770/C990
3-12. RELAY BOARD
3-13. MOTOR (STOCKER) ASSY (STOCKER) (M781)
1 Remove five solders.
– bottom view –
relay board
4 connector
(CN703)
5 connector
(CN702)
2 four screws
(BVTP2.6
× 8)
6 connector
(CN710)
7 connector
(CN706)
8 connecto
r
(CN707)
9 connector
(CN708)
0 relay board
3
6 stocker motor board
3 two screws
(BVTP2.6
× 8)
2 Remove two solders
5 connector
(CN761)
4
7 motor (stocker) assy
(stocker) (M781)
1 belt (stocker)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

16
HCD-C770/C990
3-14. MOTOR (STOCKER) ASSY (ROLLER) (M771)
3-15. MOTOR (STOCKER) ASSY (MODE) (M761)
1 belt (roller
)
4 roller motor board
2 Remove two solders.
3 two screws
(BVTP2.6 × 8)
5 motor (stocker) assy
(roller) (M771)
1 Remove five solders
of rotary encoder.
2 Remove two solders
of motor (M761)
mode motor
board
3 two screws
(BVTP2.6
× 8)
4 mode motor board
5 belt (mode)
6 motor (stocker) ass
y
(mode) (M761)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

17
HCD-C770/C990
3-16. RUBBER ROLLER (SLIDER) ASSY
3-17. TIMING BELT (FRONT/REAR)
qg sub chassis
qf screw
(BVTP2.6 × 8)
8 step screw
qs step screw
5 step screw
9 tension
spring
(slider 2)
6 tension spring
(base slider 5)
3 tension spring
(base slider 5
)
1 step screw
0 rubber roller
(slider 4) assy
7 rubber roller
(slider 1) assy
4 rubber roller
(slider 5) assy
2 rubber roller
(slider S) assy
qa rubber roller
(slider 2) assy
qd rubber roller
(slider 1) assy
3 slider (mode cam) assy
5 two gears
(center)
7 two gears (center)
8 timing belt (rear) timing belt
(rear)
When install three timing belts,
its pass under each claws.
9 timing belt (rear)
4 gear
(timing)
2 gear (mode cam)
: Note
6 timing belt
(front)
1 screw
(PTPWH2.6
× 8)
timing belt
(rear)
timing belt (front)
claw
claw
claw
claw
Note: Refer to assembly (Section 4)
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

18
HCD-C770/C990
8 screw
(PTPWH2.6
× 8)
1 screw
(PTPWH2.6
× 8)
9 cam
(eject lock)
: Note
qs gear
(eject lock)
qd gear
(mode 1)
qg two claws
0 screw
(PTPWH2.6
× 8)
ql screw
(BVTP2.6
× 8)
3 screw
(BVTP2.6
× 8)
7 shaft
(shutter)
6 compression spring
(shutter)
4 two screws
(BVTP2.6
× 8)
5 base (shutter) block
2 lever shutter (A)
w; sensor board
qf screw
(PTPWH2.6
× 8)
qh rotary encoder
(S701)
qj claw
qk harness
qa cam
(BU U/D)
Note: Refer to assembly (Section 4).
1 screw
(PTPWH2.6
× 8)
3 screw
(PTPWH2.6
× 8)
7 screw
(PTPWH2.6
× 8)
9 screw
(PTPWH2.6
× 8)
qa screw
(PTPWH2.6
× 8)
qs cam (gear)
: Note
5 screw
(PTPWH2.6
× 8)
2 pulley
(mode deceleration)
4 gear
(mode 5)
8 gear (mode 3)
0 gear
(mode 2)
:Note
6 gear (mode 4)
Note: Refer to assembly (Section 4).
3-18. CAM (GEAR)
3-19. SENSOR BOARD
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

19
HCD-C770/C990
• This set can be assembled in the order shown below.
4-1. HOW TO INSTALL THE CAM (EJECT LOCK)
SECTION 4
ASSEMBLY
mark
cam (BU U/D)
cam (eject lock)
– bottom view • front –
gear (eject lock)
1 Rotate the cam (BU U/D) fully in the direction of arrow.
2 Engage the gear (eject lock) and the gear of the cam (eject lock)
aligning the mark with the center of the gear (eject lock).
4-2. HOW TO INSTALL THE CAM (GEAR)
boss
cam (gear)
mark
cam (BU U/D)
– bottom view • front –
1 Check that the cam (BU U/D) can not be rotated in the direction of arrow.
2 Align the mark on the cam (gear) with the boss as shown in the figure
and install the cam (gear).
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

20
HCD-C770/C990
mark B
slider (mode cam) assy
shaft
mark
A
mark D
gear (mode cam)
cam (gear)
mark C
1 Slide the shaft in the direction of arrow.
2 Align mark A on the gear (mode cam) with mark B on the slider (mode cam) assy,
then install the gear (mode cam).
3 Check that mark C on the gear (mode cam) is in alignment with mark D on the cam (gear).
– bottom view • front –
4-3. HOW TO INSTALL THE GEAR (MODE 2)
4-4. HOW TO INSTALL THE GEAR (MODE CAM)
– bottom view • front –
gear
(mode 2)
rotary encoder
(S701) cam (BU U/D)
mark projection chassis
1 Align the mark on the rotary encoder (S701) with the projection of the assy.
2 Check that the cam (BU U/D) can not be rotated in the direction of arrow.
3 Install the gear (mode 2).
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com