Onkyo DR-645(S)/(B) User manual
DR-645
SERVICE MANUAL
SERVICE MANUAL
RC-798S
DVD RECEIVER
Silver and Black models
MODEL DR-645(S)/(B)
Ref. No. 4249
092010
220-240V AC, 50/60Hz
220-240V AC, 50/60Hz
220-240V AC, 50/60Hz
220-240V AC, 50/60Hz
S CMP2P
B CMP2P
S CMQ3P
S CMR6P
There is no repair part available.
Please replace the complete product
or use a new product to secure repair parts.
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
Contents Page
* Measurement Setup ....................................................................................................... 1-1
*Items Safety Attention .......................................................................................... 2-1 to 2-2
*Instruction On CD Playability ............................................................................... 3-1 to 3-2
*Electrical Specificaction ....................................................................................... 4-1 to 4-2
*Block Diagram ................................................................................................................5-1
*Wiring Diagram ...............................................................................................................6-1
*ECO Power and Speaker Output Board
Circuit Diagram ......................................................................................................... 7-1
Layout Diagram ........................................................................................................ 7-1
Circuit Diagram ......................................................................................................... 7-2
Layout Diagram ........................................................................................................ 7-3
*Display and Key Board
*Tuner Board
Circuit Diagram ......................................................................................................... 7-4
Layout Diagram ........................................................................................................ 7-4
*IPOD Board
Circuit Diagram ......................................................................................................... 7-5
Layout Diagram ........................................................................................................ 7-5
*USB and Headphone Board
Circuit Diagram ......................................................................................................... 7-6
Layout Diagram ........................................................................................................ 7-6
*Decoder Board
Circuit Diagram ..................................................................................................7-7 to 7-13
Layout Diagram ........................................................................................................ 7-14
*
Explode View Diagram ................................................................................................... 8-1
*Factory Part List ....................................................................................................... 9-1 to 9-7
*Revision List ............................................................................................................. 10-1
1-1
LF Generator
e.g. PM5110
Recorder
Use Universal Test Cassette CrO2 SBC419 4822 397 30069
LEVEL METER
e.g. Sennheiser UPM550
with FF-filter
with FF-filter
S/N and distortion met
e.g. Sound Technology ST170
L
R
DUT
or Universal Test Cassette Fe SBC420 4822 397 30071
LEVEL METER
e.g. Sennheiser UPM550
S/N and distortion meter
e.g. Sound Technology ST1700B
L
R
DUT
CD
Use Audio Signal Disc
(replaces test disc 3)
SBC429 4822 397 30184
Bandpass
250Hz-15kHz
e.g. 7122 707 48001
LF Voltmeter
e.g. PM2534
DUT
S/N and distortion meter
e.g. Sound Technology ST1700B
Frame aerial
e.g. 7122 707 89001
Tuner AM (MW,LW)
To avoid atmospheric interference all AM-measurements have to be carried out in a Faraday´s cage.
Use a bandpass filter (or at least a high pass filter with 250Hz) to eliminate hum (50Hz, 100Hz).
RF Generator
e.g. PM5326
05=iR
Bandpass
250Hz-15kHz
e.g. 7122 707 48001
LF Voltmeter
e.g. PM2534
DUT
RF Generator
e.g. PM5326
S/N and distortion meter
e.g. Sound Technology ST1700B
Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).
05=iR
Tuner FM
Measurement Setup
Items of Safety Attention
2-1
2-2
Items of Safety Attention
Set remains closed!
N
Y
Play a CD
for at least 10 minutes
Y
playability
ok ?
N
playability
ok ?
add Info for customer
"SET OK"
check playability
N
Y
playability
ok ?
check playability
check playability
return set
Customer complaint
"CD related problem"
"fast" lens cleaning
1
2
3For flap loaders (= access to CD drive possible)
cleaning method 4is recommended
Exchange CDM
1-4For description - see following pages
3-1
Instruction On CD Playability
PLAYABILITY CHECK
For sets which are compatible with CD-RW discs
use CD-RW Printed Audio Disc ....................7104 099 96611
TR 3 (Fingerprint)
TR 8 (600μ Black dot) maximum at 01:00
SOD\EDFNRIWKHVHWZRWUDFNVZLWKRXWDXGLEOHGLVWXUEDQFH
SOD\LQJWLPHIRU: Fingerprint 10seconds
%ODFNGRWIURPWR
MXPSIRUZDUGEDFNZDUGVHDUFKZLWKLQDUHDVRQDEOHWLPH
For all other sets
use CD-DA SBC 444A
TR 14 (600μ Black dot) PD[LPXPDW
TR 19 (Fingerprint)
TR 10 (1000μ wedge)
SOD\EDFNRIDOOWKHVHWUDFNVZLWKRXWDXGLEOHGLVWXUEDQFH
SOD\LQJWLPHIRU: 1000μ wedge 10seconds
Fingerprint 10seconds
%ODFNGRWIURPWR
MXPSIRUZDUGEDFNZDUGVHDUFKZLWKLQDUHDVRQDEOHWLPH
CUSTOMER INFORMATION
It is proposed to add an addendum sheet to the set which
LQIRUPVWKHFXVWRPHUWKDWWKHVHWKDVEHHQFKHFNHG
FDUHIXOO\EXWQRIDXOWZDVIRXQG
7KHSUREOHPZDVREYLRXVO\FDXVHGE\DVFUDWFKHGGLUW\RU
FRS\SURWHFWHG&',QFDVHSUREOHPVUHPDLQWKHFXVWRPHU
LVUHTXHVWHGWRFRQWDFWWKHZRUNVKRSGLUHFWO\
The lens cleaning (method 3 ) should be mentioned in the
addendum sheet.
The ILQDl wording in national language as well as the printing
is under responsibilit\oIthe Regional Service Organizations.
LIQUID LENS CLEANING
%HFDXVHWKHPDWHULDORIWKHOHQVLVV\QWKHWLFDQGFRDWHG
ZLWKDVSHFLDODQWLUHIOHFWLYLW\OD\HUFOHDQLQJPXVWEHGRQH
ZLWKDQRQDJJUHVVLYHFOHDQLQJIOXLG,WLVDGYLVHGWRXVH
“Cleaning Solvent
7KHDFWXDWRULVDYHU\SUHFLVHPHFKDQLFDOFRPSRQHQWDQG
PD\QRWEHGDPDJHGLQRUGHUWRJXDUDQWHHLWVIXOOIXQFWLRQ
&OHDQWKHOHQVJHQWO\GRQ¶WSUHVVWRRKDUGZLWKDVRIWDQG
clean cotton bud moistened with the special lens cleaner.
7KHGLUHFWLRQRIFOHDQLQJPXVWEHLQWKHZD\DVLQGLFDWHGLQ
the picture below.
%HIRUHWRXFKLQJWKHOHQVLWLVDGYLVHGWRFOHDQWKH
VXUIDFHRIWKHOHQVE\EORZLQJFOHDQDLURYHULW
This to avoid that little particles make scratches on
the lens.
,QVWUXFWLRQ2Q&'3OD\DELOLW\
3-2
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Channel Difference
6WHUHR7XUQ2Q
81,7
61.+]$ZHLJKWGH
dB
.
.
THD10% Output Power
7,0,/0217,1860(7,76(7 7(67'$7$
12
120
Total Harmonic Distortion
,32'6(&7,21˖
G%61$:,*+7('
0RGXODWLRQ+80
THD10% Output Power
MONO
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30G%4XHQWLQJ6HQV dBu
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7+'32:(5
G%/LPLWLQJ3RLQW
)0,)5HMHFWLRQ0+=61 G%
,PDJH5HMHFW0+=61 G%
6HOHFWLYLW\6
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RDS SENSITIVITY(2KHz) dB
Channel Difference
G%
5HVLGXDOQRLVH9RO
+8092/0$;
$06XSSUHVVLRQ,%G%I
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Channel Separation
1
.
Channel Separation
.
Frequence Response
7(67,7(06
Electrical Specification
NEON ELECTRICAL FACTORY LTD.
ELECTRICAL SPECIFICATION
4-1
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LINE OUT
Electrical Specification
4-2
Main chipset
MT1389FXE-S(DTS)
MT1389DXE-S(W/O DTS)
OR
DM-06BXLX-L2
Loader motor driver
CD5954
Foryou pick up
DVD Loader M5V
SDRAM
FLASH
MX29LV160
M12L64164A-7T
M3.3 V
M3.3 V
SERIAL EEPROM
24C02
M3.3 V
MCU5 V
MCU5V
27V
VF1 VF2
VFD Driver
PT16314
VFD Display
STO-16T202
KEY
IR
AUX1
FM Antenna 75OHM
AUX2
USB
HDMI
HP L&R
MCU
R5R0C028
Audio Switch
74HC4052D
FM
Si4731
CS8416
MCU5V
A5V
A5V
M3.3 V
SPDIF in
2M * 8 bit s
MI2C
ESD REJECTOR
Door Detect
MAIN BOARD
USB ON
MCU I2C
I2S SPDIF SLAVE
MASTER
MPEG I2C BUS
A12V
VFD
VF2
VF1
POWER
-27V SUPPLY
MPEG I2C BUS
HEADPHONE
MUTE
M3.3 V M1.8V
EEPROM
24C02
MCU5V 5V
HP AMP
TDA8922
POWER AMP
4Ohm50Wat10%
4Ohm50Wat10%
PT2313
AUDIO PROCESS
A12V
AUDIO ML/MR
FM L,R
+26V
uA78M12
12V
IPOD DIN9
ECO_POWER
MCU5V
DISPLAY BOARD
ECO POWER
STANDBY
STANDBY
PT2309
VFD BUS
IR
SL&SR
772
YUV
AV
DVD DOOR DET
74LVC2G04
M3.3 V
Buffer
COAXIAL
Open/Close Driver
M5V
COAXIAL OUT
OPTICAL INPUT
OR ECO6
FL&FR
POWER
AC220
SWITCH
1
2
34
6
AMP POWER
FILTER
AMC1117
AMC1117
M3.3V
M1.8V
3.3V
1.8V
M5V
DC TO DC
MPEG ON
DVD POWER
FILTER
MCU POWER
FILTER
7805
MCU5V
AP1501
-26V
VOL
RTC
PCM8563
MCU5V
DAB/5.1
A5V
Block Diagram
5-1 5-1
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