Onkyo DTR 40.6 Service Manual

Page 1

HT-RC660

Ref. No. 4463-R2

ONKYO® SERVICE MANUAL 2°

AV RECEIVER
MODEL HT-RC660(B)

{imp-an mom!)

RC»880M

Black model

B MMP 220-240V AC, 50/60Hz
B MDC 120V AC, 60Hz

SAFETY-RELATED COMPONENT
WA R N I N G ! !

COMPONENTS IDENTIFIED BY MARK A 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.

Onkyo Corporation
Service Department

Page 2

TX-NR535/636/737/838/DTR-30.6/40.6/50.6/HT-R593/693/993/HT-RC660

DEBUG MODE-1
AUDIO DEBUG MODE-1/5

The operations of DSP and DIR etc are able to checked by the information displayed on FL in this debug mode.
This information will help to analysing digital audio no sound trouble,

To set in Debug mode
1. Press twice the ON/ STANDBY key while pressing the DISPLAY key.

e-Q- 7 The version number of Microprocessor is displayed
M1'03/14307ALN only for 3 seconds

2 Press + (TONE) button while the version number of microprocessor is displayed.

e.g. N1.02/14210ALA _ ESE/\f/grrsgiosggglerZer of DSP Is displayed

3. Press DISPLAY button while the version number of DSP is displayed.

89 0A0002: :00 Step4
4. Proceed to the next step by pressing the DISPLAY key.
ANA .'o:NON:C: Step-2
4v
1:ANA 048k048k Step-3
4v
AUDIO dubug mode
2/0. 01 2. 053/4 Step-4 The status of DSP and DIR etc
4' will be displayed.
2:0:PCM :PCM Step-5
4v
00:X:F.'OFF Step-6
4v
SPO0F*00F00409 Step-7
4v
48 482568 TB Step-8 i
4v
L :0000 0000
vi
SW :0000 0000
4v
Exit

Page 7

TX-NR636/737/838/DTR-30.6/40.6/50.6/HT-R693/993/HT-RC660

DEBUG MODE-6
HDMI RESOLUTION DISPLAY-1/4

HDMI-related operations can be checked to some extent by displaying HDMI debug mode.

To enter this mode
Hold down DISPLAY button for 3 seconds. Information display will last for about 8 seconds.

Resolution display method
Input resolution
l1l0l8lolil/l6lolal l l I ll

Output resolution

llllll1l0l8lolil/l6l0ll

List of standard resolution

480i/60 #576i/50 576p200
480p/60#576p/50 576/200
1080i/60#288p/50 480p/60
720p/601080p/24 480p240
10800/601080p/25 480i240
240p/601080p/30*480p/60
#480i/60 VGA *576p/50
#480p/601080i100 720p/24
#240p/60 720p100 720p/25
576i/50 576p100 720p/30
576p/50 576i100
1080i/501080i120
720p/50 720p120
1080p/50 480p120
288p/50 480i120
Display of Input Resolution
DVI input signal
480-/60->
480!/60->

I" and P will be capitalized.
VGA input signal -

VGA ->

Display the " * " in column 1
=9 1080p/60lifii;
Noinput

Page 21

TX-NR636/ 838/ HT-RC660/ HT-R993 DTR-3

OPERATION CHECK-10
COOLING FAN

Circuit
e.g.(TX-NR636) Value D/A output of the MPU
OFF 0V
LOW 1.7V
Thermal sensor MID 2.2V
06300 THERMAL 135 HIGH 2.5V
07°09 COOLING FAN
P (Main MIIIIIsoI'ocessor) Fan drive 0
ower amp' 3 FANCTRL 08701, Gog
08711
VOLH E 140 OD

Condition to operate

VOLH
Normal/ Bi-Amp Powerd Zone-2,3,4
OFF FF
Headplsgne LOW MID HIGH Heidplscgne LOW MID HIGH
OFF STOP STOP STOP STOP STOP STOP STOP STOP
THERMAL LOW LOW LOW LOW LOW LOW LOW LOW LOW
MID LOW MID M|D M|D MID M|D M|D MID
HIGH MID HIGH HIGH HIGH HIGH HIGH HIGH HIGH
THERMAL(Temparature of thermal sensor)
-30°C 52 60°C 63 65°C 67°C 95"C 100"C
H I H I H I Shutdown in
Shutdown I I I I I I . Shut down
. . OFF I I LOW I I MID I I HIGH 10 mmutes - -
| I I I I I I - Immedlatel
ImmedIatey I H I e I e continuously y
Hysteresis control
VOLH(Vo|tage of VOLH port)
0V 0.35V 0.4V 1.9V 2.0V 2.2V 2.3V 3.3V
l-> I l-> I l-> I
OFF 3 3 Low 3 i MID i 3 HIGH
1 4_L I 4_L I 4_L

Hysteresis control

How to check

1. How to check operation of Cooling Fan
See CONFIRMATION OF COOLING FAN OPERATION in OPERATION CHECK»4.

2. How to check the value of THERMAL and VOLH,
See CONFIRMATION OF OUTPUT VOLTAGE AND THERMAL SENSOR" in OPERATION CHECK-1.

Page 93

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3C3932 CHIP TYPE CERAMIC CAPACITOR CK725B1CV104K0 1 332011045R1
3C3933 CHIP TYPE CERAMIC CAPACITOR CK72581E7106K 1 332221065R2
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3C3942 CHIP TYPE CERAMIC CAPACITOR CK725B1CV104K0 1 332011045R1
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3R101o CHIP TYPE CARBON RESISTOR RN72K1J7103JE 1 435031034R1
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3R1012 CHIP TYPE CARBON RESISTOR RN72K1J7220JE 1 435032204R1
3R1013 CHIP TYPE CARBON RESISTOR RN72K1J7220JE 1 435032204R1
3R1014 CHIP TYPE CARBON RESISTOR RN72K1I220JE 1 435032204R1
3R1015 CHIP TYPE CARBON RESISTOR RN72K1I220JE 1 435032204R1
3R101e CHIP TYPE CARBON RESISTOR RN72K1J7220JE 1 435032204R1
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3R1019 CHIP TYPE CARBON RESISTOR RN72K1J7470JE 1 435034704R1
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3R1021 CHIP TYPE CARBON RESISTOR RN72K1J7101JE 1 435031014R1
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3R1024 CHIP TYPE CARBON RESISTOR RN72K1I470JE 1 435034704R1
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