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TX-NR737

Ref. No. 4464
042014

AV RECEIVER
MODEL TX-NR737(B)/(S)

(European, Australian (European, Australian
and Asian models) and Asian models)

RC-882M

Black and Silver models
B MDC, B MDF 120V AC, 60Hz
B MMR 220-240V AC, 50/60Hz
B MMP, B MMB, B MMA, S MMP 220-240V AC, 50/60Hz
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.g. The version number of Microprocessor is displayed
M1.03/14307 A L N only for 3 seconds.

2. Press + (TONE) button while the version number of microprocessor is displayed.
e.g. The version number of DSP is displayed
N1.02/14210 A L A only for 3 seconds.

3. Press DISPLAY button while the version number of DSP is displayed.
e.g.
0A0002: __:0 0 _ _ Step-1

4. Proceed to the next step by pressing the DISPLAY key.

ANA:o:NON: C : _ _ Step-2

1:ANA _048k0 4 8 k Step-3

AUDIO dubug mode
2/0.0: _2.0:3 / 4 Step-4 The status of DSP and DIR etc
will be displayed.

2:o:PCM_:PC M _ _ Step-5

_00:x:F:OFF_ _ _ Step-6

SP00F _00F00 4 0 9 Step-7

_48_48256ST B _ _ Step-8

L :0000 00 0 0

SW :0000 0000

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

DEBUG MODE-2
AUDIO DEBUG MODE-2/5

FL Display
Step-1
1 1 2 2 3 3 : 4 4 : 5 5

1. st_srd.lmd 3. st_srd.extdecmd
01 C_LM_LAST F4 C_LM_ASC 00 C_EXTDECMD_OFF
02 C_LM_PURE F5 C_LM_FLASH 01 C_EXTDECMD_10
03 C_LM_DIRECT F6 C_LM_DEBUGMODE 02 C_EXTDECMD_20
04 C_LM_STEREO F7 C_LM_FLASH2 03 C_EXTDECMD_MOVIE
05 C_LM_MONO F8 C_LM_FLASH3 04 C_EXTDECMD_MUSIC
20 C_LM_SURR F9 C_LM_FLASH4 05 C_EXTDECMD_GAME
50 C_LM_THX_MUSIC FA C_LM_FLASH_CHECK 06 C_EXTDECMD_HEIGHT
70 C_LM_THX_GAME 0D C_LM_RPG 07 C_EXTDECMD_WIDE
90 C_LM_THX_CINEMA 0E C_LM_ACTION
A0 C_LM_THX_U2GAME 0F C_LM_ROCKBAND
4. Muting port
A8 C_LM_THX_U2MUSIC 10 C_LM_SPORTS
B0 C_LM_THX_U2CINEMA
D DIGMUTE port
D0 C_LM_AUDYSSEY 2. st_srd.extdec A AMUTE port
48 C_LM_DTSSS 00 C_EXTDEC_OFF
06 C_LM_ORCHESTRA 01 C_EXTDEC_20_PLII 5. Factor of muting
07 C_LM_UNPLUGGED 02 C_EXTDEC_20_PLIIX
bit_1 SELMUTE
08 C_LM_STUDIOMIX 03 C_EXTDEC_20_PLIIZ
bit_2 POWMUTE
09 C_LM_TVLOGIC 04 C_EXTDEC_20_NEO6
bit_3 PROTECTMUTE
0A C_LM_ALLCHST 05 C_EXTDEC_51_MTR
bit_4 AUDIOOUTMUTE
0B C_LM_FULLMONO 06 C_EXTDEC_51_DSC
bit_5 AUDIOMUTE
0C C_LM_TD 07 C_EXTDEC_51_NEO6
08 C_EXTDEC_51_EX bit_6 DIRMUTE
F1 C_LM_TESTTONE
09 C_EXTDEC_51_PLIIX bit_7 DACMUTE
F2 C_LM_TESTTHR
F3 C_LM_TESTAUTO 0A C_EXTDEC_51_PLIIZ bit_8 HDMIMUTE
0B C_EXTDEC_9624
0C C_EXTDEC_9624_MTR
0E C_EXTDEC_71MULTI
0F C_EXTDEC_20_NEURAL
10 C_EXTDEC_51_NEURAL

Step-2
6 6 6 : 7 : 8 8 8 : 9 : 10

6. Audio input channel 8. HDMI audio lock 10. RX mute
ANA Analog STB SOUND STATE FIX V HDMI MUTE
COX Coaxial TRS SOUND STATE UNFIX
OPT Optical NON SOUND STATE NONE
HDM HDMI
ARC ARC
9. Display inhibit frag
S display_inhibit SET
7. DSP decode
C display_inhibit CLR
o DSP Detect OK
x DSP No Detect
TX-NR535/636/737/838/DTR-30.6/40.6/50.6/HT-R593/693/993/HT-RC660

DEBUG MODE-3
AUDIO DEBUG MODE-3/5

Step-3
1 : 11 11 11 11 12 12 12 k 13 13 13 k

11. Source_format 12. st_srd.fs 13. st_hd_display.fs
UNLK DDR_UNLOCK DTSC DDR_DTSCD ??? unknown ??? unknown
ANA DDR_ANALOG AAC DDR_AAC 008 8kHz 008 8kHz
PCM DDR_PCM MPCM DDR_MCHPCM 011 11kHz 011 11kHz
AC3 DDR_AC3 MCH DDR_MCH 012 12kHz 012 12kHz
DTS DDR_DTS TRUE DDR_TRUE 016 16kHz 016 16kHz
MPEG DDR_MPEG MSTR DDR_MSTR 022 22kHz 022 22kHz
DATA DDR_DATA DSD DDR_DSD 024 24kHz 024 24kHz
UNKW DDR_UNKNOWN PLUS DDR_DDPLUS 032 32kHz 032 32kHz
NORD DDR_NOT_READY EXPR DDR_DTSEXP 044 44.1kHz 044 44.1kHz
NPCM DDR_NOT_PCM DTSH DDR_DTSHD 048 48kHz 048 48kHz
FS96 DDR_FS96 064 64Hz 064 64Hz
NODT DDR_NOT_DETECT 088 88.2kHz 088 88.2kHz
096 96kHz 096 96kHz
176 176.4kHz 176 176.4kHz
192 192kHz 192 192kHz

Step-4 . : :
14 14 14 15 16 16 16 16 17 17 17

14. Information of the input channels
for listening mode transition
??? C_FMT_UNKNOWN 4H3 C_FMT_43H 31 C_FMT_31
10 C_FMT_10 5H4 C_FMT_54H 22 C_FMT_22
20 C_FMT_20 5H3 C_FMT_53H 32 C_FMT_32
30 C_FMT_30 4W4 C_FMT_44W 23 C_FMT_23
21 C_FMT_21 4W3 C_FMT_43W 33 C_FMT_33
31 C_FMT_31 5W4 C_FMT_54W 24 C_FMT_24
22 C_FMT_22 5W3 C_FMT_53W 34 C_FMT_34
32 C_FMT_32 11 C_FMT_11 4H2 C_FMT_42H
23 C_FMT_23 5H2 C_FMT_52H
15. Information of the LFE channel input 4W2 C_FMT_42W
33 C_FMT_33
24 C_FMT_24 0 SW 0ch 5W2 C_FMT_52W
34 C_FMT_34 1 SW 1ch 4H4 C_FMT_44H
4H2 C_FMT_42H 2 SW 2ch 4H3 C_FMT_43H
5H2 C_FMT_52H 5H4 C_FMT_54H
4W2 C_FMT_42W 16. Channel information for the FL display 5H3 C_FMT_53H
5W2 C_FMT_52W four-digit string "10.2" "5.1" "1 +1" 4W4 C_FMT_44W
4H4 C_FMT_44H 4W3 C_FMT_43W
17. Number of channels 5W4 C_FMT_54W
after decoding 5W3 C_FMT_53W
??? C_FMT_UNKNOWN 11 C_FMT_11
10 C_FMT_10
20 C_FMT_20
30 C_FMT_30
21 C_FMT_21
TX-NR535/636/737/838/DTR-30.6/40.6/50.6/HT-R593/693/993/HT-RC660

DEBUG MODE-4
AUDIO DEBUG MODE-4/5

Step-5
2 : 18 : 19 19 19 19 : 20 20 20 20

18. Audio output OK/NG 19. Details of input format 20. Details of the format for the FL display
o decode OK ANA C_SRC_ANA
ANA C_SRC_ANA
x decode NG PCM C_SRC_PCM
PCM C_SRC_PCM
DLB C_SRC_DD
DLB C_SRC_DD
DEX C_SRC_DD_EX
DEX C_SRC_DD_EX
DTS C_SRC_DTS
DTS C_SRC_DTS
MTR C_SRC_DTS_MTR
MTR C_SRC_DTS_MTR
DSC C_SRC_DTS_DSC
DSC C_SRC_DTS_DSC
D96 C_SRC_DTS_96
D96 C_SRC_DTS_96
96M C_SRC_DTS_96M
96M C_SRC_DTS_96M
AAC C_SRC_AAC
AAC C_SRC_AAC
MCH C_SRC_MCH
MCH C_SRC_MCH
DSP C_SRC_DSP
DSP C_SRC_DSP
MPCM C_SRC_MCHPCM
MPCM C_SRC_MCHPCM
DSD C_SRC_DSD
DSD C_SRC_DSD
TRUE C_SRC_TRUE
TRUE C_SRC_TRUE
TREX C_SRC_TRUE_EX
TREX C_SRC_TRUE_EX
MSTR C_SRC_MSTR
MSTR C_SRC_MSTR
PLUS C_SRC_DDPLUS
PLUS C_SRC_DDPLUS
PLEX C_SRC_DDPLUS_EX
PLEX C_SRC_DDPLUS_EX
EXP C_SRC_DTSEXP
EXP C_SRC_DTSEXP
DTSH C_SRC_DTSHD
DTSH C_SRC_DTSHD
DSUR C_SRC_DD_SUR
DSUR C_SRC_DD_SUR
DPSR C_SRC_DDPLUS_SUR
DPSR C_SRC_DDPLUS_SUR
TRSR C_SRC_TRUE_SUR
TRSR C_SRC_TRUE_SUR

Step-6
21 21 : 22 : 23 : 24 24 24 25 25

21. Dialog norm 23. Return value of DIR busy or free
Dialog Norm value from 0 to 31 Request_dir (DDC_BUSY)
F Free
22. Return value of DIRINT Request_dir
B Busy
(DDC_STATUS)
o LOCK 24. emphasis of information
x UNLOCK ON ON
OFF OFF

25. HDDVD/BLUE(only DDPLUS)
BD Bluray
HD HDDVD
TX-NR535/636/737/838/DTR-30.6/40.6/50.6/HT-R593/693/993/HT-RC660

DEBUG MODE-5
AUDIO DEBUG MODE-5/5
Step-7
26 26 27 27 28 * 29 * 30 30 31 31 32 32

26. AudioIF DA830 input 31. DIR switch sequence number
IH AUD_IF_I2S_H 0B CLOCK_FREQ_88K 00 SEQ_SWITCH_POWEROFF
DS AUD_IF_DSD 0C CLOCK_FREQ_96K 01 SEQ_SWITCH_RESET
IS AUD_IF_I2S 0D CLOCK_FREQ_128K 02 SEQ_SWITCH_POWERON_WAIT
NT AUD_IF_NET 0E CLOCK_FREQ_176K 03 SEQ_SWITCH_CHANGE
SP AUD_IF_SPDIF 0F CLOCK_FREQ_192K 04 SEQ_SWITCH_FREE
AD AUD_IF_ADC
30. DIR sequence number 32. DAC sequence number
HR AUD_IF_DDDTSHR
00 SEQ_DIG_POWEROFF 00 SEQ_DAC_POWEROFF
27. Information of DIR Burst Preamble 10 SEQ_DIG_RESET 01 SEQ_DAC_RESET
DS DTSHD HR 11 SEQ_DIG_POWERON_WAIT 02 SEQ_DAC_POWERON_WAIT
DP DD PLUS 12 SEQ_DIG_RESTART 03 SEQ_DAC_INITIALIZE
Preamble Val 0x?? 13 SEQ_DIG_WAIT_HDMI_FREE 04 SEQ_DAC_RESTART
20 SEQ_DIG_INPSEL_SET 05 SEQ_DAC_CMND_SET
28. DIR Free or Busy
30 SEQ_DIG_ANALOG_SET 06 SEQ_DAC_FREE_WAIT
F Free
31 SEQ_DIG_DIGITAL_SET
B Busy 07 SEQ_DAC_FREE
32 SEQ_DIG_MCHPCM_SET
29. DIR Detect Fs 33 SEQ_DIG_MCHANA_SET
00 CLOCK_FREQ_UNKNOWN 34 SEQ_DIG_DDPDTSHD_SET
01 CLOCK_FREQ_8K 35 SEQ_DIG_NET_SET
02 CLOCK_FREQ_11K 40 SEQ_DIG_INIT_ERROR
41 SEQ_DIG_CHK_ERROR1
03 CLOCK_FREQ_12K
42 SEQ_DIG_CHK_ERROR2
04 CLOCK_FREQ_16K
43 SEQ_DIG_CHK_FREE
05 CLOCK_FREQ_22K
50 SEQ_DIG_CHK_ANALOG
06 CLOCK_FREQ_24K
60 SEQ_DIG_LOCK_PLL
07 CLOCK_FREQ_32K
61 SEQ_DIG_LOCK_ANA
08 CLOCK_FREQ_44K
f0 SEQ_DIG_FREE
09 CLOCK_FREQ_48K
f1 SEQ_DIG_FREE_ANA
0A CLOCK_FREQ_64K

Step-8
33 33 33 34 34 34 35 35 35 36 36 36
33. Information of the 34. Information of the 35. Information of the input MCLK of DA830
input FS of DA830 output FS of DA830
64 AUD_MCLK_64Fs
UNK C_FS_UNKNOWN UNK C_FS_UNKNOWN
128 AUD_MCLK_128Fs
8 C_FS_08 8 C_FS_08
256 AUD_MCLK_256Fs
11 C_FS_11 11 C_FS_11
384 AUD_MCLK_384Fs
12 C_FS_12 12 C_FS_12
512 AUD_MCLK_512Fs
16 C_FS_16 16 C_FS_16
640 AUD_MCLK_640Fs
22 C_FS_22 22 C_FS_22
768 AUD_MCLK_768Fs
24 C_FS_24 24 C_FS_24
32 C_FS_32 32 C_FS_32 36. State of the audio input of DA830
44 C_FS_44 44 C_FS_44
NO AUD_STS_SOUND_NO
48 C_FS_48 48 C_FS_48
TRS AUD_STS_SOUND_TRANS
64 C_FS_64 64 C_FS_64
STB AUD_STS_SOUND_STAB
88 C_FS_88 88 C_FS_88
96 C_FS_96 96 C_FS_96
176 C_FS_176 176 C_FS_176
192 C_FS_192 192 C_FS_192
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

1 0 8 0 i / 6 0
Output resolution

1 0 8 0 i / 6 0
List of standard resolution

4 8 0 i / 6 0 # 5 7 6 i / 5 0 5 7 6 p 2 0 0
4 8 0 p / 6 0 # 5 7 6 p / 5 0 5 7 6 i 2 0 0
1 0 8 0 i / 6 0 # 2 8 8 p / 5 0 4 8 0 p / 6 0
7 2 0 p / 6 0 1 0 8 0 p / 2 4 4 8 0 p 2 4 0
1 0 8 0 p / 6 0 1 0 8 0 p / 2 5 4 8 0 i 2 4 0
2 4 0 p / 6 0 1 0 8 0 p / 3 0 * 4 8 0 p / 6 0
# 4 8 0 i / 6 0 V G A * 5 7 6 p / 5 0
# 4 8 0 p / 6 0 1 0 8 0 i 1 0 0 7 2 0 p / 2 4
# 2 4 0 p / 6 0 7 2 0 p 1 0 0 7 2 0 p / 2 5
5 7 6 i / 5 0 5 7 6 p 1 0 0 7 2 0 p / 3 0
5 7 6 p / 5 0 5 7 6 i 1 0 0
1 0 8 0 i / 5 0 1 0 8 0 i 1 2 0
7 2 0 p / 5 0 7 2 0 p 1 2 0
1 0 8 0 p / 5 0 4 8 0 p 1 2 0
2 8 8 p / 5 0 4 8 0 i 1 2 0

Display of Input Resolution
DVI input signal
4 8 0 I / 6 0
4 8 0 P / 6 0
"I" and "P" will be capitalized.

VGA input signal
* V G A
Display the " " in column 1

21:9
1 0 8 0 p / 6 0 2 1 : 9
No input
U n k n o w n
TX-NR636/737/838/DTR-30.6/40.6/50.6/HT-R693/993/HT-RC660

DEBUG MODE-7
HDMI RESOLUTION DISPLAY-2/4
Display of Output Resolution
For a video processor Via VSP
Display the " " 1 0 8 0 i / 6 0
in column 4
VSP skip 1 0 8 0 i / 6 0
DVI input signal i / p will be
capitalized.
4 8 0 I / 6 0
4 8 0 P / 6 0
VGA input signal Display the " "
in column 5 * 4 8 0 p / 6 0
21:9 Aspect ratio
1 0 8 0 i / 6 0 * 2 1 : 9
RSEN is OFF Display the " "
in column 14 4 8 0 p / 6 0 *
EDID_READ is NG Display the " # "
in column 14 4 8 0 p / 6 0 #
Resolution Error Display the " x "
in column 14 4 8 0 p / 6 0 x
No output
(Signal output destination - - - - -
can not be found.)
Hot-plug of Sink equipment
can not be detected. O F F

4K Upscaling
Display of Input resolution
1 0 8 0 i / 6 0
Display of Output resolution * * * * x * * * * p / * *

* * * If the three-digit numbers are refrate
List of resolution
3 8 4 0 x 2 1 6 0 p / 3 0
3 8 4 0 x 2 1 6 0 p / 2 5
3 8 4 0 x 2 1 6 0 p / 2 4
4 0 9 6 x 2 1 6 0 p / 2 4
Resolution Error 3 8 4 0 x 2 1 6 0 p / 3 0 x
EDID_READ_NG 3 8 4 0 x 2 1 6 0 p / 3 0 #

3D Display
Resolution display
1 0 8 0 p / 2 4 ( 3 D )

Status Display H D M I 4 4 4 3 6 b i t

3D format F r a m e P a c k i n g

INPUT/OUTPUT I N : O U T :
RSEN OFF Display the " "
in column 14 1 0 8 0 p / 2 4 ( 3 D ) *
EDID READ NG Display the " # "
in column 9 H D M I 4 4 4 # 3 6 b i t
Resolution Error Display the " x "
in column 13 1 0 8 0 p / 2 4 ( 3 D ) x
TX-NR636/737/838/DTR-30.6/40.6/50.6/HT-R693/993/HT-RC660

DEBUG MODE-8
HDMI RESOLUTION DISPLAY-3/4

Status
Input Mode HDMI input
H D M I 4 4 4 3 6 b i t
DVI input
D V I 4 4 4 3 6 b i t
No input - - - 4 4 4 3 6 b i t
RGB
Input Color H D M I R G B 3 6 b i t
422
H D M I 4 2 2 3 6 b i t
444
H D M I 4 4 4 3 6 b i t
24bit
H D M I R G B 2 6 b i t
30bit
H D M I R G B 3 0 b i t
Deep Color
36bit
H D M I R G B 3 6 b i t

3D format
Frame Packing
F r a m e P a c k i n g
Field alternative
F a l t e r n a t i v e
Line alternative
L a l t e r n a t i v e
Side-by-Side(Full)
S i d e b y S i d e ( F )
L+depth
L + d e p t h
L+depth + graphics
L + d e p t h g r a p h i c
Side by Side(Harf)
S i d e b y S i d e ( H )
Top and Bottom
T o p - a n d - B o t t o m
unknown
U N K N O W N
INPUT/ OUTPUT
I N : * * O U T : * *
TX-NR636/737/838/DTR-30.6/40.6/50.6/HT-R693/993/HT-RC660

DEBUG MODE-9
HDMI RESOLUTION DISPLAY-4/4
PC Resolution
Input Resolution 1 0 2 4 x 7 6 8 p / 6 0

Output Resolution 1 0 2 4 x 7 6 8 p / 6 0

Display of Input resolution * * * * x * * * * p / * *

Horizontal resolution Vertical resolution Referat

DVI input Display uppercase P/I
1 0 2 4 x 7 6 8 P / 6 0

HDMI input Display lowercase p/i 1 0 2 4 x 7 6 8 p / 6 0

Three-digit numbers
are Referat 1 0 2 4 x 7 6 8 P 1 2 0

No input
U N K N O W N

Display of Output resolution

* * * * x * * * * p / * *

Horizontal resolution Vertical resolution Referat

DVI output
Display uppercase P/I 1 0 2 4 x 7 6 8 P / 6 0

HDMI output Display lowercase p/i
1 0 2 4 x 7 6 8 p / 6 0

Display"-----" - - - - -

Three-digit numbers
are Referat 1 0 2 4 x 7 6 8 P 1 2 0

EDID READ NG Display the " # " in
column 13 1 0 2 4 x 7 6 8 P / 6 0 #

Resolution through Display the " x " in
column 13 1 0 2 4 x 7 6 8 P / 6 0 x

INPUT/ OUTPUT
I N : * O U T : *
TX-NR636/737/838/DTR-30.6/40.6/50.6/HT-R693/993/HT-RC660

DEBUG MODE-10
SERVICE INFORMATION MODE
Displaying Service information
This service information display system is helpful in analyze the status when the unit goes into Protect mode and is powered off.
Pay attention that the status will change if a button is pushed.

1. Press twice the ON/ STANDBY key while pressing the DISPLAY key.
e.g. The version of main microprocessor is
M1.03/14307AL N
displayed only for 3 seconds.

2. Press HOME button within 3 seconds above.
e.g.
- 80 F 27 DD Information Displayed (Record this Information)

Power off Cause Temperature Volume Level Listenning Mode
T : Thermal Protect : xx F or xx C ---> Refer to the code list below.
V : Voltage Protect
I : Current Protect
- : Other
Listening Mode Code List
01 C_LM_LAST D0 C_LM_AUDYSSEY F4 C_LM_ASC
02 C_LM_PURE 48 C_LM_DTSSS F5 C_LM_FLASH
03 C_LM_DIRECT 06 C_LM_ORCHESTRA F6 C_LM_DEBUGMODE
04 C_LM_STEREO 07 C_LM_UNPLUGGED F7 C_LM_FLASH2
05 C_LM_MONO 08 C_LM_STUDIOMIX F8 C_LM_FLASH3
20 C_LM_SURR 09 C_LM_TVLOGIC F9 C_LM_FLASH4
50 C_LM_THX_MUSIC 0A C_LM_ALLCHST FA C_LM_FLASH_CHECK
70 C_LM_THX_GAME 0B C_LM_FULLMONO 0D C_LM_RPG
90 C_LM_THX_CINEMA 0C C_LM_TD 0E C_LM_ACTION
A0 C_LM_THX_U2GAME F1 C_LM_TESTTONE 0F C_LM_ROCKBAND
A8 C_LM_THX_U2MUSIC F2 C_LM_TESTTHR 10 C_LM_SPORTS
B0 C_LM_THX_U2CINEMA F3 C_LM_TESTAUTO

3. Press HOME button again. The following information are displayed.
e.g.
01:23 10h Information Displayed (Record this Information)

Time after Power on Time after Initialize
xx : xx xx hour

4. Press ON/STANDBY button to exit the display of service information.
(Ref.: Press RETURN button to initialize the data in the service information.)

ProtectData C L R

Normal displa y
TX-NR636/ 737/ 838/ HT-RC660/ HT-R993/ DTR-30.6/ 40.6/ 50.6

OPERATION CHECK-1
NOTATION ABOUT ENTERING TEST MODE BY PRESSING BUTTON
In this procedure, the following notations are used to simplify explanation of how to press button.
e.g.-1 [TV/CD] + [ON/STANDBY] [BD/DVD]
This means "While holding down TV/CD button, press ON/STANDBY button then release both buttons and then press
BD/DVD button".
e.g.-2 [DISPLAY] + [ON/STANDBY] *2 [DIMMER]
This means "While holding down DISPLAY button, press ON/STANDBY button twice then release both buttons and then press
DIMMER button".

INITIAL SETTING FOR SHIPPING
Initialization of memories.
Do the following operation.
[CBL/SAT] + [ON/STANDBY]
Unplug the power cord from AVR after the FL tube displays "Clear" and AVR goes standby.

CONFIRMATION OF F/W VERSION
Do the following operation.
1. [DISPLAY] + [ON/STANDBY]
to display MMPU version.
e.g. M1.03/14307ALN
2. [TONE+]
to display another F/W version.
e.g. [ONKYO] [INTEGRA]
M1.04/14422AE Main M1.04/14422AE Main

N1.03/14324AEA DSP N1.03/14324AEA DSP

D1.00/14218AEA DSP2 D1.00/14218AEA DSP2

V1.03/14325AE HDMI/VIDEO V1.03/14325AE HDMI/VIDEO

K1.00/14220AEO VSP K1.00/14220AEI VSP

T1.01/14311A VSP2 HDCPTX T1.01/14311A VSP2 HDCPTX

R1.00/14303A VSP2 HDCPRX R1.00/14303A VSP2 HDCPRX

O1.00/14219AE OSD(Excluding TX-NR636) O1.00/14219AE OSD(Excluding DTR-30.6)

H1.30.72.1 Sub3 HDBase-T(Excluding DTR-30.6)

It cannot enter a test mode immediately after power supply ON, please press the Setup key.

CONFIRMATION OF MAIN CHECKSUM
MAIN Checksum can be confirmed the following operation.
[DISPLAY] + [ON/STANDBY] * 2 [MEMORY]

CONFIRMATION OF OUTPUT VOLTAGE AND THERMAL SENSOR
Temperature and output voltage can be confirmed the following operation.
[DISPLAY] + [ON/STANDBY] * 2 [TONE]

e.g. 001 042 F:x S:H

Voltage Temperature FAN speed Amplifier power
of VOLH port of thermal sensor x: Stop Supply voltage condition
L: Low speed H : High-B
H: High speed L : Low-B
TX-NR636/ 737/ 838/ HT-RC660/ HT-R993/ DTR-30.6/ 40.6/ 50.6

OPERATION CHECK-2
CONFIRMATION OF MODEL NAME AND DESTINATION
Model name and destination can be confirmed the following operation.
[TV/CD] + [ON/STANDBY] [DIMMER](RT/PTY/TP) [TONE] *4
e.g. A:Value of AD port of BAND
NR535 Dx 2000 B:Value of AD port of INIT1
C:Value of AD port of INIT2
FL DIS Name Destination A B C D D:Value of AD port of INIT3
Model Name Destination Number Writing Data FL Display
TX-NR636 DD/DC 2000 2000 TX-NR636 Dx N R 6 3 6 D x 2 0 0 0
TX-NR636 DF 0000 0000 TX-NR636 DF N R 6 3 6 D F 0 0 0 0
TX-NR636 xx 8000 8000 TX-NR636 xx N R 6 3 6 x x 8 0 0 0
TX-NR636 JJ 4000 4000 TX-NR636 JJ N R 6 3 6 J J 4 0 0 0
HT-RC660 DD/DC 2002 2002 HT-RC660 Dx R C 6 6 0 D x 2 0 0 2
HT-RC660 xx 8002 8002 HT-RC660 xx R C 6 6 0 x x 8 0 0 2
DTR-30.6 Dx 2040 2040 DTR-30.6 Dx D T R 3 0 6 D x 2 0 4 0
DTR-30.6 xx 8040 8040 DTR-30.6 xx D T R 3 0 6 x x 8 0 4 0
DTR-30.6 JJ 4040 4040 DTR-30.6 JJ D T R 3 0 6 J J 8 0 4 0
TX-NR737 DD/DC 2200 2200 TX-NR737 Dx N R 7 3 7 D x 2 2 0 0
TX-NR737 DF 0200 0200 TX-NR737 DF N R 7 3 7 D F 0 2 0 0
TX-NR737 xx 8200 8200 TX-NR737 xx N R 7 3 7 x x 8 2 0 0
DTR-40.6 Dx 2240 2240 DTR-40.6 Dx D T R 4 0 6 D x 2 2 4 0
DTR-40.6 xx 8240 8240 DTR-40.6 xx D T R 4 0 6 x x 8 2 4 0
TX-NR838 DD/DC 2400 2400 TX-NR838 Dx N R 8 3 8 D x 2 4 0 0
TX-NR838 xx 8400 8400 TX-NR838 xx N R 8 3 8 x x 8 4 0 0
TX-NR838 JJ 4400 4400 TX-NR838 JJ N R 8 3 8 J J 4 4 0 0
DTR-50.6 Dx 2440 2440 DTR-50.6 Dx D T R 5 0 6 D x 2 4 4 0
DTR-50.6 xx 8440 8440 DTR-50.6 xx D T R 5 0 6 x x 8 4 4 0
HT-R993 DD/DC 2600 2600 HT-R993 Dx H T R 9 9 3 D x 2 6 0 0
HT-R993 xx 8600 8600 HT-R993 xx H T R 9 9 3 x x 8 6 0 0

TEST MODE FOR OPERATION
[Caution]Don't change setting (TONE,SETUP,etc) from initial setting before move to test mode.
Do the following operation.
1. Set the following VOL level.
VOL level Model
25 TX-NR636, DTR-30.6
30 TX-NR737, TX-NR838, DTR-40.6, DTR-50.6
2. [TV/CD] + [ON/STANDBY]
TEST-_
3. Press the following button, while "TEST - " is displayed, then each test mode is set.
Button Test Mode Button Test Mode Button Test Mode
[BD/DVD] 1-00 [GAME] 4-00 [MEMORY] KEY TEST
[CBL/SAT] 2-00 [PC] 5-00 [TUNING MODE] IDLING TIMER / Wi-Fi check
[STB/DVR] 3-00 [AUX] 6-00 [DIMMER](RT/PTY/TP) FL TEST
[ENTER] FIRMWARE COMBINATION CHECK
In the test mode, (TONE)- button is TEST MODE DOWN and (TONE)+ button is TEST MODE UP.
e.g. TEST 1-00 TEST 1-01 TEST 1-02 - - - - TEST 2-00
IDLING TIMER (TEST 1-01)
This mode is used for aging for idling.
Once the following test mode is set, idling timer mode works.
Idling timer mode includes the following functions.
Test mode TEST 1-01
Function Timer Refer to CONFIRMATION OF VOLTAGE-DETECTION PROTECTORS (next page).
Voltage-detection protector check Refer to CONFIRMATION OF UPDATE ROUTE (next page).
F/W update route test Refer to CONFIRMATION OF Wi-Fi CONNECTION (next page).
Wi-Fi connection check Refer to CONFIRMATION OF ZONE2 DAC ROUTE (next page).
Z2 DAC route check by playing USB flash device
WAV file L+Rch and Rch repetition (1sec each)
Store only one file (the above mentioned) into the USB flash device to avoid making trouble.
Once the above test mode is set, AVR's status changes to idling timer mode and voltage-detection protector check automatically begins.
If voltage-detection protector check is all OK, Wi-Fi connection check automatically begins.
Even if one channel of voltage-detection protector check is NG, Wi-Fi connection check doesn't begin.
TX-NR636/ 737/ 838/ HT-RC660/ HT-R993/ DTR-30.6/ 40.6/ 50.6

OPERATION CHECK-3

CONFIRMATION OF VOLTAGE-DETECTION PROTECTORS.

Don't connect load nor short speaker terminals.
1. Do the following operation.
1-1. set the volume level to 25(TX-NR636, DTR-30.6) or 30(TX-NR737, 838, DTR-40, 50.5).
1-2. [TV/CD] + [ON/STANDBY] [BD/DVD]
1-3. [TONE +]
to the following test mode.
TEST 1-01
2. AVR automatically tests in the following test sequence. And if it is all OK, Wi-Fi test will begin.
Test sequence
(FL+) (FR-) (C+) (SL-) (SR+) (SBL-) (SBR+)
3. If FL tube displays Wi-Fi check mode then voltage-detection protectors test will be completed.

CONFIRMATION OF UPDATE ROUTE.
1. Do the following operation.
1-1. set the volume level to 25(TX-NR636, DTR-30.6) or 30(TX-NR737, 838, DTR-40, 50.5).
1-2. [TV/CD] + [ON/STANDBY] [BD/DVD]
1-3. [TONE +]
to the following test mode.
TEST 1-01
2. Once the above mentioned test mode is entered, voltage-detection protectors function is checked automatically first, then update
route check will begin.
If the result of update route check is no problem then Wi-Fi check will begin. If the result is NG then NG message will be shown on
the FL tube.
3. If FL tube displays Wi-Fi check mode then voltage-detection protectors test and update route check are passed.
Detail of NG number of F/W update route test is as below.
1 N/A
2 VIDEO - OSD OSD is except TX-NR636 and DTR-30.6
3 DA830 - KG2H
4 VIDEO - HDCP TX
5 VIDEO - HDCP RX

CONFIRMATION OF Wi-Fi CONNECTION
1. Setting Wi-Fi routers.
2. set the following test mode.
TEST 1-01
3. Once the above mentioned test mode is entered, voltage-detection protectors function is checked automatically first, then update
route check will begin and then Wi-Fi check will begin.
In Wi-Fi check mode, it connects an access point automatically. Wi-Fi LED flashes during connection.
4. If connection is completed and IP address is successfully acquired, Wi-Fi LED turning lights off and the value of RSSI to an access
point is displayed in dBm.
If the connection is failed, NG is displayed.
e.g. 02 -55d 01' 14''

SSID No RSSI(dbm) Time Counter
In case value of RSSI level isn't showed on the FL tube at all past 4 minutes in this timer mode, judge as NG.
The sound from USB flash device is output from Zone2 PREOUT or Zone2 LINEOUT via Zone2 DAC.

CONFIRMATION OF ZONE2 DAC ROUTE
1. Connect USB memory or USB storage to AVR front USB port.
2. set the following test mode.
TEST 1-01
3. After being displayed Wi-Fi RSSI level, it will play back wave file from USB storage.
4. Check the wave form that appears L+R and R alternately from the following output terminal.
Output terminal : ZONE2 LINE OUT
Wi-Fi LED is turn on in Zone2 DAC check mode.
TX-NR636/ 737/ 838/ HT-RC660/ HT-R993/ DTR-30.6/ 40.6/ 50.6

OPERATION CHECK-4

CONFIRMATION OF CURRENT DETECTION PROTECTORS
1. Do the following operation.
1-1. set the volume level to 25(TX-NR636, DTR-30.6) or 30(TX-NR737, 838, DTR-40, 50.5).
1-2. [TV/CD] + [ON/STANDBY] [CBL/SAT]
1-3. [TONE - ]
to the following test mode.
TEST 1-09
2. Confirm that relay is not cut off even if you connect the following load A to the following channels one by one.
3. Confirm that relay is cut if you connect the following load B to the following channels one by one.
Channel FL, FR, C, SL, SR, SBL and SBR ch
Load A 3 ohm
Load B 1 ohm

CONFIRMATION OF 12V TRIGGER OPERATIONS . (The following model ONLY)
After checking that there is no output from the following output terminal, set the following test mode and confirm that
there is an output of the following power.
(1) (2) (3)
Output terminal 12V TRIGGER Zone2 12V TRIGGER A 12V TRIGGER B 12V TRIGGER C
Test mode TEST 1-09 TEST 1-09 TEST 1-08 TEST 1-07
Power 12V +10%, -20% 12V +10%, -20% 12V +10%, -20% 12V +10%, -20%
/150mA /150mA /25mA /25mA
Applied model TX-NR838 DTR-30.6, DTR-40.6, DTR-50.6

CONFIRMATION OF OUTPUT SENSOR
1. Do the following operation.
1-1. set the volume level to 25(TX-NR636, DTR-30.6) or 30(TX-NR737, 838, DTR-40, 50.5).
1-2. [TV/CD] + [ON/STANDBY] [CBL/SAT]
1-3. [TONE - ] *2 and (*3)
to the following test mode.
TEST 1-07 and TEST 1-08
After lighting "FM STEREO" on the FL tube, the following relays break their connections and "FM STEREO" lamp goes off .
Relays RL643 and RL644

CONFIRMATION OF COOLING FAN OPERATION
1. Confirm fan that is not rotating.
2. Set the following test mode and confirm fan that is rotating at HIGH speed.
TEST 1-07
3. Set the following test mode B and confirm fan that is rotating at LOW speed.
TEST 1-08
CONFIRMATION OF KEY OPERATION
1. Do the following operation.
1-1. set the volume level to 25(TX-NR636, DTR-30.6) or 30(TX-NR737, 838, DTR-40, 50.5).
1-2. [TV/CD] + [ON/STANDBY] [CBL/SAT]
1-3. [TONE - ] *4
to the following test mode.
TEST 1-06
2. Confirm each key and master volume operation.
3. If "ON/STANDBY" button is pressed, AVR escapes from this KEY test mode.
Therefor, press the "ON/STANDBY" button, after checking other buttons finished.

CONFIRMATION OF NETWORK
Please wait for about 1 minute after turning on the AVR when using the following test mode.
1. Connect the receiver to the router.
2. Do the following operation.
2-1. set the volume level to 25(TX-NR636, DTR-30.6) or 30(TX-NR737, 838, DTR-40, 50.5).
2-2. [TV/CD] + [ON/STANDBY] [CBL/SAT] Connection
2-3. [TONE - ] *5 ETHERNET connector
to the following test mode.
TEST 1-05
Ethernet
3. Confirm that the AVR's display shows appropriate IP address. cable
TX-NR636/ 737/ 838/ HT-RC660/ HT-R993/ DTR-30.6/ 40.6/ 50.6

OPERATION CHECK-5

CONFIRMATION OF FL TUBE AND LED
1. Do the following operation.
[TV/CD] + [ON/STANDBY] [DIMMER]
2. Confirm that all LEDs and all segments of FL tube are lit.

CONFIRMATION OF HEAD PHONE OPERATION
Confirm the headphone indicator when headphones plug is inserted into the PHONES jack.

CONFIRMATION OF FM RADIO OPERATION
1. Setting of Signal Generator(SG)
Carrier frequency any
Modulation 1kHz
Deviation 75kHz
Output level 35dBu

2. Waveform confirmation
Set the signal of SG as following channels and confirm output is the following table.
Output
SG Input
Lch R ch
(1) R ch only No Yes
(2) L + R ch Yes Yes
3. Confirmation of Stereo indicator
Set SG as stereo and confirm stereo indicator is on.
4. Confirmation of Auto stop operation
Do auto tuning (Press TUNING UP or TUNING DOWN button) and confirm that the searching stops when a station that
is set by SG is found.

CONFIRMATION OF RDS (RADIO DATA SYSTEM) OPERATION (Applied to MPP/MPB/MM* type )
1. Input 98MHz,30dB signal modulated with RDS data.
2. When a PS information is received, the name of the station "RDS TEST" shall be displayed within 2 seconds
instead of the frequency.

CONFIRMATION OF OSD(ON SCREEN DISPLAY) OPERATION
1. When DISPLAY button is pushed, confirm that OSD is displayed in HDMI SUB/ZONE2 Out.
2. Confirm that specified operations for ENTER(with 4-cursor) buttons are made.
Applied model TX-NR737/838,DTR-40.6/50.6

CONFIRMATION OF CEC OPERATION
1. Connect AVR's HDMI OUT to HDMI input of appliance compatible with CEC(SINK or REPEATER) by HDMI cable.
2. Turn on the power to the AVR
3. Do the following operation.
3-1. set the volume level to 25(TX-NR636, DTR-30.6) or 30(TX-NR737, 838, DTR-40, 50.5).
3-2. [TV/CD] + [ON/STANDBY] [AUX]
to the following test mode.
TEST 6-00
FL tube will display "OK" or "NG".

CONFIRMATION OF DOLBY TEST TONE
1. Press TEST TONE on remote controller then press CH SELECT repeatedly.
Set turn to Dolby Test mode tone Check speaker condition.
2. Please check that a sound comes out from each channel.
-> FL ch -> C ch -> FR ch -> SR ch -> SBR ch -> SBL ch -> SL ch -> SW ch ->
TX-NR636/ 737/ 838/ HT-RC660/ HT-R993/ DTR-30.6/ 40.6/ 50.6

OPERATION CHECK-6

CONFIRMATION OF VIDEO SIGNAL-DETECTION
1. Do the following operation.
1-1. set the volume level to 25(TX-NR636, DTR-30.6) or 30(TX-NR737, 838, DTR-40, 50.5).
1-2. [TV/CD] + [ON/STANDBY] [PC]
1-3. [TONE +]
to the following test mode.
TEST 5-01
2. Confirm the following indicator lights up on the FL TUBE when the following video signal is input.
3. Furthermore, confirm the following indicator is turned off on the FL TUBE when the following video signal isn't input at the
following test mode as well.
(1) (2)
Input terminal Composite Component
Indicator FM STEREO RDS

CONFIRMATION OF VIDEO IN/OUT
Confirm Video output signal as shown Table 2, while Video signal are input as shown Table 1 in "Video in_out" sheet.
Confirm the HDMI path at 1080p signal.
Table-1
Video Signal -> Composite Video Component HDMI
BD/DVD --- --- --- IN1 F
CBL/SAT A IN1 E IN2 G
STB/DVR B --- --- IN3 H
GAME C --- --- IN4 I
--- --- --- --- IN5 J
--- --- --- --- IN6 K
--- --- --- --- IN7 ---
AUX D --- --- AUX L
Table-2
Output Composite Video Component HDMI
Test mode MONITOR OUT OUT MAIN OUT *Sub OUT/Zone2 OUT
5-00(BD/DVD) --- --- F
5-01(CBL/SAT) A E G
5-02(STB/DVR) B --- H
5-03(GAME) C --- I
5-04(PC) --- --- J
5-05(IN6) --- --- K
5-06(IN7) --- --- ---
5-07(AUX) D --- L
5-08(CBL/SAT) A E E
5-09(CBL/SAT) A --- A
* TX-NR636, TX-NR737, DTR-30.6 --- Sub OUT
TX-NR838, DTR-40.6, DTR-50.6 --- Zone2 OUT

CONFIRMATION OF FL DISPLAY
1. Do the following operation.
1-1. set the volume level to 25(TX-NR636, DTR-30.6) or 30(TX-NR737, 838, DTR-40, 50.5).
1-2. [TV/CD] + [ON/STANDBY] [DIMMER(RT/PTY/TP)]
to the FL test mode
[TONE+] = Step up
[TONE-] = Step down
The contents of the step are as follows.
1. Lit all segment
2. Lit '23456789ABCDEF'.
3. Lit a even number segment
4. Lit an odd number segment
5. The Destination setting is displayed.
TX-NR636/ 737/ 838/ HT-RC660/ HT-R993/ DTR-30.6/ 40.6/ 50.6

OPERATION CHECK-7

TEST DSP DSP DSP Config. Master Speaker 12V etc.
No Output Output Output SW/F/C/S/SB Vol. Relay TRG
ch Frequency Voltage
1-00 SELECTOR MUTING TIME REDUCTION MODE - - - Y/L/L/L/L 64(Ref) F - Analog Input Only
1-01 IDLING TIMER Timer start - - - Y/L/L/L/L Min(Min) F - IDLING TIMER
V Protect (FL) FL +DC +Max Y/L/L/L/L Max(Max) F/CS/SB - *1, *3 +DC Protect
V Protect (FR) FR -DC -Max Y/L/L/L/L Max(Max) F/CS/SB - *1, *3 -DC Protect
V Protect (C) C +DC +Max Y/L/L/L/L Max(Max) F/CS/SB - *1, *3 +DC Protect
V Protect (SL) SL -DC -Max Y/L/L/L/L Max(Max) F/CS/SB - *1, *3 -DC Protect
V Protect (SR) SR +DC +Max Y/L/L/L/L Max(Max) F/CS/SB - *1, *3 +DC Protect
V Protect (SBL) SBL -DC -Max Y/L/L/L/L Max(Max) F/CS/SB - *1, *3 -DC Protect
V Protect (SBR) SBR +DC +Max Y/L/L/L/L Max(Max) F/CS/SB - *1, *3 +DC Protect
V Protect (FHL) FHL -DC -Max Y/L/L/L/L Max(Max) F/CS/SB/H/W - *1, *3 -DC Protect
V Protect (FHR) FHR +DC +Max Y/L/L/L/L Max(Max) F/CS/SB/H/W - *1, *3 +DC Protect
V Protect (FWL) FWL -DC -Max Y/L/L/L/L Max(Max) F/CS/SB/H/W - *1, *3 -DC Protect
V Protect (FWR) FWR +DC +Max Y/L/L/L/L Max(Max) F/CS/SB/H/W - *1, *3 +DC Protect
UPDATE ROUTE - - - Y/L/L/L/L Min(Min) F - UPDATE ROUT CHECK
Wi-Fi check - - - Y/L/L/L/L Min(Min) F - Wi-Fi check
Z2 DAC (USB Play) - - - Y/L/L/L/L Min(Min) F - Z2 PREOUT Z2 DAC (USB Play)
1-02 MULTI TONE 1kHz + 30Hz + 20kHz , -20dBFS ALL 1kHz+30Hz+20kHz -20dBFS Y/L/L/L/L 64(Ref) F/CS/SB - *6 Multi tone
1-03 Wi-Fi check - - - Y/L/L/L/L Min(Min) F - Wi-Fi ch