Sony DAV-S888 / HCD-S888 Service Manual ▷ View online
AEP Model
UK Model
Ver 1.4 2004.10
SPECIFICATIONS
HCD-S888 is the amplifier, DVD/CD player and
tuner section in DAV-S888.
tuner section in DAV-S888.
– Continued on next page –
Sony Corporation
Audio Group
Published by Sony Engineering Corporation
9-877-205-05
2004J16-1
© 2004.10
COMPACT AV SYSTEM
HCD-S888
SERVICE MANUAL
Amplifier section
Stereo mode
100 W + 100 W (3 ohms at 1 kHz, THD 10 %)
Surround mode
Front: 100 W + 100 W
Center*: 100 W
Rear*: 100 W + 100 W
Center*: 100 W
Rear*: 100 W + 100 W
*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 : 2V
Impedance : 1 kilohms
PHONES :
Super Audio CD/DVD system
Laser
Semiconductor laser
(Super Audio CD/DVD:
(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)
(VIDEO 1 (AUDIO) connectors only)
Harmonic distortion
Less than 0.03 %
FM tuner section
System
PLL quartz-locked digital synthesizer system
Tuning range
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
European model:
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)
530 – 1,710 kHz (with the interval set at 10 kHz)
Antenna
Loop antenna
Intermediate frequency
450 KHz
(3 ohms at 1 kHz, THD 10 %)
Accepts low-and high-impedance headphones
Video section
Inputs
Video: 1 Vp-p 75 ohms
Outputs
Video: 1 Vp-p 75 ohms
S video:
S video:
Y: 1 Vp-p 75 ohms
C: 0.286 Vp-p 75 ohms
C: 0.286 Vp-p 75 ohms
COMPONENT:
Y: 1 Vp-p 75 ohms
P
P
B
/C
B
, P
R
/C
R
: 0.7 Vp-p 75 ohms
This system incorporates with Dolby* Digital and Dolby Pro Loic (II)
adaptive matrix surround decoder and the DTS** Digital Surround System.
adaptive matrix surround decoder and the DTS** Digital Surround System.
* Manufactured under license from Dolby Laboratories.
“Dolby”, “Pro Logic” and the double-D symbol are trademarks of Dolby
Laboratories.
Laboratories.
** Man ufactured under license from Digital Theater Systems, Inc.
“DTS” and “DTS Digital Surround” are trademarks of Digital Theater Systems, Inc.
Model Name Using Similar Mechanism
HCD-S880
Mechanism Type
CDM72B-DVBU12
Base Unit Name
DVBU12
Optical Pick-up Name
DBU-1
HCD-S888
2
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
• 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.
other than those specified herein may result in hazardous ra-
diation exposure.
This appliance is classified as a
CLASS 1 LASER product. The label
is located on the bottom exterior.
CLASS 1 LASER product. The label
is located on the bottom exterior.
Note:
Refer to the “5. TEST MODE” (page 19) for another self-diagnosis
function.
RFMON Level Check
Perform a RFMON level check before exchanging optical pick-
up.
up.
Measurement Point: DVD board CN301
1pin (RF) — 3pin (AGND)
General
Power requirements
European model:
European model:
220 – 240 V AC, 50/60 Hz
Other models:
110 – 240 V/220 – 240 V AC, 50/60 Hz
Power consumption
120 W (120 V AC) 120 W (230 V AC)
1 W (120 V AC) 2 W (230 V AC)
1 W (120 V AC) 2 W (230 V AC)
Power requirements (Subwoofer)
European model:
European model:
220 – 230 V AC, 50/60 Hz
Other models:
220 – 240 V AC, 50/60 Hz
Power consumption (Subwoofer)
90 W (1 W in standby mode)
Dimensions (approx.)
355
× 60 × 323 mm
(w/h/d) incl. projectingparts
Mass (approx.)
3.8 kg (8 lb 7 oz)
Operating temperature
5˚C to 35˚C (41˚F to 95˚F)
Operating humidity
5 % to 90 %
Design and specifications are subject to change without notice.
(at the Power Saving Mode)
(14
× 2
3
/
8
× 12
3
/
4
inches)
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.
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
characters of
the service
number
C 13
C 31
E XX
(xx is a number)
Cause and/or Corrective
Action
Action
The disc is dirty.
, Clean the disc with a soft
, Clean the disc with a soft
cloth.
The disc is not inserted
correctly.
, Re-insert the disc
correctly.
, Re-insert the disc
correctly.
To prevent a malfunction, the
system has performed the self-
diagnosis function.
, Contact your nearest Sony
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
Sony service facility and
give the 5-character
service number.
Example: E 61 10
C:13:00
NOTE OF REPLACING THE DVD BOARD
When replacing the DVD board, since the adjustment value is not
set up correctly, “Drive Auto Adjustment” can’t be performed.
In this case, initialize Memory in the following procedures.
set up correctly, “Drive Auto Adjustment” can’t be performed.
In this case, initialize Memory in the following procedures.
Procedure:
1. Starting test mode. (See page 19)
2. Press the [2] key of the remote commander, and set the “DRIVE
1. Starting test mode. (See page 19)
2. Press the [2] key of the remote commander, and set the “DRIVE
MANUAL OPERATION”. (See page 21)
3. Press the [6] key of the remote commander, and set the “6.
Memory Check”. (See page 23)
4. Press the [CLEAR] key of the remote commander, and initialize
Memory.
AUTO SERVO ADJUSTMENT
After parts related to the servo circuit (RF amplifier (IC001), DSP
(IC401), motor driver (IC501), EEPROM (IC302) so on) are re-
placed, re-adjusting the servo circuit is necessary. Select “ALL” at
“1. DRIVE AUTO ADJUSTMENT” (Refer to page 20 in TEST
MODE) and adjust DVD-SL (single layer), CD and DVD-DL (dual
layer).
(IC401), motor driver (IC501), EEPROM (IC302) so on) are re-
placed, re-adjusting the servo circuit is necessary. Select “ALL” at
“1. DRIVE AUTO ADJUSTMENT” (Refer to page 20 in TEST
MODE) and adjust DVD-SL (single layer), CD and DVD-DL (dual
layer).
VOLT/DIV: 200 mV
TIME/DIV: 500 ns
TIME/DIV: 500 ns
RFMON level
Test Disc
RFMON level
Standard Value
DVD
TDV-520CSO
1.09
± 0.2Vp-p
(J-2501-236-A)
CD
LUV-P01
1.05
± 0.2Vp-p
(4-999-032-01)
• Standard value
Ver 1.4
HCD-S888
3
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
0
OR DOTTED
LINE WITH MARK
0
ON 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.
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
TABLE OF CONTENTS
SELF DIAGNOSIS FUNCTION
....................................
2
1.
SERVICING NOTES
...............................................
4
2.
GENERAL
Location of Controls ......................................................
5
3.
DISASSEMBLY
3-1. Disassembly Flow .................................................
8
3-2. Front Panel Section, Side Panel (L)/(R) ...............
9
3-3. I/O Board ...............................................................
9
3-4. SEL Board ............................................................. 10
3-5. DVD Board ............................................................ 10
3-6. Mechanism Deck Section (CDM72B-DVBU12) . 11
3-7. POWER SW Board, DDCON Board .................... 11
3-8. POWER Board ...................................................... 12
3-9. AMP Board ........................................................... 12
3-10. Optical Pick-up Block (DVBU12) ........................ 13
3-11. RELAY Board ....................................................... 13
3-12. Holder (AT) Assy, Retainer (Chassis) Block ........ 14
3-13. Belt (L2) ................................................................ 14
3-14. Pulley (RTR) Assy ................................................. 15
3-15. Belt (CK) ............................................................... 15
3-16. Pulley (SPT) Assy ................................................. 16
3-17. Belt (CK), Motor (CK) Assy (M751) ................... 16
3-5. DVD Board ............................................................ 10
3-6. Mechanism Deck Section (CDM72B-DVBU12) . 11
3-7. POWER SW Board, DDCON Board .................... 11
3-8. POWER Board ...................................................... 12
3-9. AMP Board ........................................................... 12
3-10. Optical Pick-up Block (DVBU12) ........................ 13
3-11. RELAY Board ....................................................... 13
3-12. Holder (AT) Assy, Retainer (Chassis) Block ........ 14
3-13. Belt (L2) ................................................................ 14
3-14. Pulley (RTR) Assy ................................................. 15
3-15. Belt (CK) ............................................................... 15
3-16. Pulley (SPT) Assy ................................................. 16
3-17. Belt (CK), Motor (CK) Assy (M751) ................... 16
4.
ASSEMBLY
4-1. How To Install Pulley (SPT) Assy ........................ 17
4-2. How To Install Pulley (RTR) Assy ....................... 17
4-3. How To Install Rotary Encoder (Mode) (S741) ... 18
4-2. How To Install Pulley (RTR) Assy ....................... 17
4-3. How To Install Rotary Encoder (Mode) (S741) ... 18
5.
TEST MODE
............................................................. 19
6.
DIAGRAMS
6-1. Block Diagrams
– RF SERVO Section – ......................................... 27
– AUDIO (DSP) Section – .................................... 28
– AUDIO OUT, PANEL Section – ....................... 29
– VIDEO Section – ............................................... 30
– MECHANISM DECK,
POWER SUPPLY Section – ....................... 31
– AUDIO (DSP) Section – .................................... 28
– AUDIO OUT, PANEL Section – ....................... 29
– VIDEO Section – ............................................... 30
– MECHANISM DECK,
POWER SUPPLY Section – ....................... 31
6-2. Note for Printed Wiring Boards and
Schematic Diagrams ............................................. 32
6-3. Printed Wiring Boards – RF Section – ................ 33
6-4. Schematic Diagrams – RF Section – ................... 34
6-5. Printed Wiring Boards
6-4. Schematic Diagrams – RF Section – ................... 34
6-5. Printed Wiring Boards
– MECHANISM DECK Section – ....................... 35
6-6. Schematic Diagrams
– MECHANISM DECK Section – ....................... 36
6-7. Printed Wiring Boards
– DVD Board (Component Side) – ....................... 37
6-8. Printed Wiring Boards
– DVD Board (Conductor Side) – ........................ 38
6-9. Schematic Diagrams – DVD Board (1/10) – ....... 39
6-10. Schematic Diagrams – DVD Board (2/10) – ....... 40
6-11. Schematic Diagrams – DVD Board (3/10) – ....... 41
6-12. Schematic Diagrams – DVD Board (4/10) – ....... 42
6-10. Schematic Diagrams – DVD Board (2/10) – ....... 40
6-11. Schematic Diagrams – DVD Board (3/10) – ....... 41
6-12. Schematic Diagrams – DVD Board (4/10) – ....... 42
6-13. Schematic Diagrams – DVD Board (5/10) – ....... 43
6-14. Schematic Diagrams – DVD Board (6/10) – ....... 44
6-15. Schematic Diagrams – DVD Board (7/10) – ....... 45
6-16. Schematic Diagrams – DVD Board (8/10) – ....... 46
6-17. Schematic Diagrams – DVD Board (9/10) – ....... 47
6-18. Schematic Diagrams – DVD Board (10/10) – ..... 48
6-19. Printed Wiring Boards – AMP Section (1/2) – .... 49
6-20. Printed Wiring Boards – AMP Section (2/2) – .... 50
6-21. Schematic Diagrams – AMP Section (1/2) – ...... 51
6-22. Schematic Diagrams – AMP Section (2/2) – ...... 52
6-23. Printed Wiring Boards – I/O Section (1/2)– ........ 53
6-24. Printed Wiring Boards – I/O Section (2/2) – ....... 54
6-25. Schematic Diagrams – I/O Section (1/2) – .......... 55
6-26. Schematic Diagrams – I/O Section (2/2) – .......... 56
6-27. Printed Wiring Boards
6-14. Schematic Diagrams – DVD Board (6/10) – ....... 44
6-15. Schematic Diagrams – DVD Board (7/10) – ....... 45
6-16. Schematic Diagrams – DVD Board (8/10) – ....... 46
6-17. Schematic Diagrams – DVD Board (9/10) – ....... 47
6-18. Schematic Diagrams – DVD Board (10/10) – ..... 48
6-19. Printed Wiring Boards – AMP Section (1/2) – .... 49
6-20. Printed Wiring Boards – AMP Section (2/2) – .... 50
6-21. Schematic Diagrams – AMP Section (1/2) – ...... 51
6-22. Schematic Diagrams – AMP Section (2/2) – ...... 52
6-23. Printed Wiring Boards – I/O Section (1/2)– ........ 53
6-24. Printed Wiring Boards – I/O Section (2/2) – ....... 54
6-25. Schematic Diagrams – I/O Section (1/2) – .......... 55
6-26. Schematic Diagrams – I/O Section (2/2) – .......... 56
6-27. Printed Wiring Boards
– DC-DC CONVERTER Section – ...................... 57
6-28. Schematic Diagrams
– DC-DC CONVERTER Section – ...................... 58
6-29. Printed Wiring Boards – CONTROL Section – .. 59
6-30. Schematic Diagrams – CONTROL Section – ..... 60
6-31. Printed Wiring Boards – FL Board – ................... 61
6-32. Schematic Diagrams – FL Board – ...................... 62
6-33. Printed Wiring Boards
6-30. Schematic Diagrams – CONTROL Section – ..... 60
6-31. Printed Wiring Boards – FL Board – ................... 61
6-32. Schematic Diagrams – FL Board – ...................... 62
6-33. Printed Wiring Boards
– POWER Section (1/2) – ..................................... 63
6-34. Printed Wiring Boards
– POWER Section (2/2) – ..................................... 64
6-35. Schematic Diagrams – POWER Section – .......... 65
6-36. IC Block Diagrams ................................................ 71
6-37. IC Pin Function Description ................................. 83
6-36. IC Block Diagrams ................................................ 71
6-37. IC Pin Function Description ................................. 83
7.
EXPLODED VIEWS
7-1. General Section .................................................... 101
7-2. Front Panel Section-1 ........................................... 102
7-3. Front Panel Section-2 ........................................... 103
7-4. Chassis Section-1 ................................................. 104
7-5. Chassis Section-2 ................................................. 105
7-6. Chassis Section-3 ................................................. 106
7-7. Chassis Section-4 ................................................. 107
7-8. Mechanism Deck Section-1
7-2. Front Panel Section-1 ........................................... 102
7-3. Front Panel Section-2 ........................................... 103
7-4. Chassis Section-1 ................................................. 104
7-5. Chassis Section-2 ................................................. 105
7-6. Chassis Section-3 ................................................. 106
7-7. Chassis Section-4 ................................................. 107
7-8. Mechanism Deck Section-1
(CDM72B-DVBU12) ........................................... 108
7-9. Mechanism Deck Section-2
(CDM72A-DVBU12) ........................................... 109
7-10. Mechanism Deck Section-3
(CDM72A-DVBU12) ........................................... 110
7-11. Mechanism Deck Section-4
(CDM72A-DVBU12) ........................................... 111
7-12. Mechanism Deck Section-5
(CDM72A-DVBU12) ........................................... 112
7-13. Mechanism Deck Section-6
(CDM72A-DVBU12) ........................................... 113
7-14. Mechanism Deck Section-7
(CDM72A-DVBU12) ........................................... 114
7-15. Optical Pick-up Section
(DVBU12) ............................................................ 115
8.
ELECTRICAL PARTS LIST
............................. 116
4
HCD-S888
SECTION 1
SERVICING NOTES
NOTES ON HANDLING THE OPTICAL PICK-UP
BLOCK OR BASE UNIT
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.
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 300 mm away from the objective
lens.
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 300 mm away from the objective
lens.
JIG ON REPAIRING
When repairing this set, etc., connect the extension cable as the
figure shown below.
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)
(RF board-DVD board)
(Part No. J-2501-217-A)
extension cable (with relay board)
(RELAY board-DVD board)
(Part No. J-2501-091-A)
(RELAY board-DVD board)
(Part No. J-2501-091-A)
extension cable
(DVD board-AMP board)
(Part No. J-8000-024-A)
(DVD board-AMP board)
(Part No. J-8000-024-A)
extension cable
(DVD board-AMP board)
(Part No. J-2501-198-A)
(DVD board-AMP board)
(Part No. J-2501-198-A)
RELEASING THE DISC SLOT LOCK
The disc slot lock function for the antitheft of an demonstration
disc in the store is equipped.
The disc slot lock function for the antitheft of an demonstration
disc in the store is equipped.
Releasing Procedure:
1. Press two buttons of
1. Press two buttons of
A
and
x
simultaneously for three sec-
onds.
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/S888/C770/C900, remote commander signal codes of
“FUNCTION”, “BAND”, “ST/MONO” and “MEMORY” are dif-
ferent.
Take notice of the above when you check the operation with remote
commanders of different models.
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/S888/C770/C900, remote commander signal codes of
“FUNCTION”, “BAND”, “ST/MONO” and “MEMORY” are dif-
ferent.
Take notice of the above when you check the operation with remote
commanders of different models.
