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TX-SR607

Ref. No. 4123
04, 2009
SERVICE MANUAL

AV Receiver
MODEL TX-SR607(B/S/G)

RC-738M

TX-SR607 Black, Silver and Golden models
B MDC, B MDD, S MDD, B MDF 120V AC, 60Hz
B MPP, B MPB, S MPP, S MPB 230V AC, 50Hz
B MPA, S MPA
B MMO, S MMO, B MMQ, G MMR 220/230-240V AC, 50/60Hz

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.
TX-SR607/DTR-30.1

DEBUG MODE-1
DSP DEBUG MODE-1/3
The operations of DSP and DIR etc are able to be checked by the information displayed on FL with this debug mode.
This information will help to analyse no sound trouble of digital audio.

To set in Debug Mode and exit
1. Press and hold down DISPLAY button, then press ON/STANDBY button while the unit is powered on.
The version number of microprocessor will be displayed.

M:1 .04/0 9 3 2 3 a Version of Main Microprocessor F/W
*Number depends on the version.
2. Then press + (TONE) button, the version number of DSP will be displayed.

D:1.0 1 /09227a 6 7 Version of DSP F/W
*Number depends on the version.
3. Press DISPLAY button while the DSP version is displayed. The status of DSP and DIR etc will be displayed.

0 A 4 8 K 0 N/0 FF P o 0
4. Press ON/STANDBY button to exit.

Content of Display
FL Display

1 2 3 4 5 6 7 8 9 10 11

1 DIR Input Lock / Unlock 4 Sampling Frequency, Emphasis
E = UNLOCK 32K = 32 kHz without Emphasis
= LOCK 44K = 44.1 kHz without Emphasis
48K = 48kHz without Emphasis
2 DIR Input RX 64K = 64 kHz
0 = None 88K = 88.2 kHz
1 = COAXIAL 1 96K = 96 kHz
2 = COAXIAL 2 176 = 176.4 kHz
3 = OPTICAL 1 192 = 192 kHz
4 = OPTICAL 2 32e = 32 kHz with Emphasis
5 = FRONT OPTICAL 44e = 44.1 kHz with Emphasis
8 = HDMI 1 48e = 48 kHz with Emphasis
9 = HDMI 2
5 DIR Detect Type
3 DIR/ ADC Fix Mode 0 = Analog
D = Digital(SPDIF) 1 = PCM
A = Analog 2 = Not PCM
M = Analog Multich 3 = Data
p = PCM Fixed 4 = DTS CD (Not used)
d = DTS Fixed 5 = Multichannel
6 = Not Decided

6 CODEC Clock Mode
N = Normal
U = Up Sampling
H = High Sampling (Double Rate)
D = Down Sampling
Q = Quad Rate
TX-SR607/DTR-30.1

DEBUG MODE-2
DSP DEBUG MODE-2/3
Content of Display (Continued)
7 DSP Port Status 10 DSP Decode
This figure is displayed in hexadecimal form. o = Decode OK
If this is transformed to binary form, each bit indicates x = Decode NG
the following DSP port status. Refeo to .
bit 0 = NIC (Normal state) 11 Mute output device
bit 1 = DEC This figure is displayed in hexadecimal form.
bit 2 = BUSY (Abnormal state) If this is transformed to binary form, each bit indicates
bit 3 = Exec Wait the IC which outputs error to microprocessor, which output
Audio Mute. Refer to .
8 DSP Sequence
00 - FE = Not Free
2D = Mute control Transform
FF = Free Hexadecimal Binary

0 = 0 0 0 0
9 DSP Detect Format
P = PCM (Analog) 1 = 0 0 0 1
D = Dolby Digital 2 = 0 0 1 0
d = DTS
A = AAC 4 = 0 1 0 0
S = DSD 8 = 1 0 0 0
p = Dolby Digital+
T = TrueHD bit 0: Selector IC (Q5501)
H = DTS-HD High Resolution bit 1: Effector
M = DTS-HD Master Audio bit 2: DSP (Q201)
? = Unknown Format bit 3: DIR (Q301)

Troubleshoot by DSP DEBUG MODE
1. This debug mode will be useful in digital audio no sound or sound drop-out trouble.
2. Check information on FL display, then identify bad parts, and replace or resolder it.
3. Remdies Written below are of typical case. So, more detailed check may need in actual cases.
4. Before replace ICs below, resolder the pins first to save resources.

NOTE
Function Circuit No. Schematic Diagram
MPU (Main microprocessor) Q701 PART-5
DSP Q201 PART-13
DIR and DAC Q301 PART-5
Flash ROM Q282 PART-13
SDRAM Q281 PART-13
Audio processor (Selector/ Volume) Q5501 PART-3

Digit No.
Symptom on FL Display Cause of Trouble Remedy
on FL
1 "E" is displayed No input signal to DIR. 1. Find out which digital input does not work.
2. Confirm where the digital waveform stops
between the digital input and DIR.
3. Resolder pins of the bad part or replace it with
new one.

4 Displayed sampling frequency No input signal to DIR. The same as above.
is different from input signal.

9 Displayed audio format is No input signal to DIR. The same as above.
different from input signal.
TX-SR607/DTR-30.1

DEBUG MODE-3
DSP DEBUG MODE-3/3
Troubleshoot by DSP DEBUG MODE (Continued)
Digit No.
Symptom on FL Display Cause of Trouble Remedy
on FL

7 Continue to display "1" Interface between DSP and MPU is no good. The same remedy as 10 -b.

Continue to display "2" Connection from DIR to DSP is no good. The same remedy as 9 .
Continue to display "3" to"7" Interface between DSP and MPU is no good. The same remedy as 10 -b.

Continue to display "8" to "F" DSP Sequence is no good. Check 8 items.

8 03"
Continue to display "03 Communication between DSP and MPU 1. The same remedy as 10 -b.
is no good. 2. Check the voltage of the power supply pin
of DSP.
3. Check the reset port and clock input of DSP by
oscilloscope, and find out bad part.
4. Flash ROM firmware is no good. Update.
5. DSP or MPU is broken. Replace MPU.
DSP is impossible to replace, so replace with
a new PC board.
05"
Continue to display "05 Writing from MPU to DSP is no good. 1. Flash ROM firmware is no good, update.
2. Check DSPSDO pin of MPU by oscilloscope.
If no signal, find out bad part connected.
3. Flash ROM or SDRAM is no good, replace.
4. DSP or MPU is broken, replace it by the same
method as above 5.
09"
Continue to display "09 to DSP program does not run properly. 1. Flash ROM firmware is no good, update.
0C"
"0C Flash ROM or SDRAM is no good. 2. Flash ROM or SDRAM is broken, replace.
17"
Continue to display "17 The unit was powered off during DSP Initialize the unit.
firmware updating. (Press ON/STANDBY button while pushing
VCR/DVR button when the unit is powered on.)
21",
Display "21 then return and DSP program does not run properly. 1. Flash ROM firmware is no good, upgrade.
signal format indicator is Flash ROM or SDRAM is no good. 2. Flash ROM or SDRAM is broken, replace.
flashing.

22"
Continue to display "22 to DSP program does not run properly. 1. Flash ROM program is no good, upgrade.
24", 30"
"24 or "30 to "33 33". Or audio clock to DSP is no good. 2. Flash ROM or SDRAM is broken, replace.
3. Check DSP drive clock freq. by oscilloscope.
If no signal, find out bad part connected.
4. Check audio clock to DSP by oscilloscope.
If no signal, find out bad part connected.
26"
Continue to display "26 to DSP setting is failured. 1. Flash ROM firmware is no good, upgrade.
2F"
"2F 2. Flash ROM or SDRAM is broken, replace.

9 Displayed audio encoding Input signal to DSP is no good. 1. Confirm where the digital waveform stops
format is different from input between DIR and DSP by oscilloscope.
signal. 2. P8001, P8002 may relate.
3. Resolder pins of the bad part or replace it with
new one.

10 "x" is displayed. a. No input signal to DSP. The same as above.
b. Interface between DSP and MPU is 1. Confirm where the digital waveform stops
no good. between MPU and DSP by oscilloscope.
2. P8001, P8002, P8003 may relate.
3. Resolder pins of the bad part or replace it with
new one.

11 This identifies IC which outputs The IC outputs error to MPU. Replace the IC chip.
error to microprocessor. DSP is impossible to replace, so replace with a
new PC borad.
TX-SR607/DTR-30.1

DEBUG MODE-4
SERVICE INFORMATION DISPLAY MODE
This Service Information Display Mode is helpful in analyzing the final
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 and hold down DISPL Y button, then press ON/ ANDBY button while the unit is powered on.
DISPLAY ON/STANDBY
The version of main microprocessor will be displayed.

M:1.0 4 /09 3 2 3 a Version of Main microprocessor
The displayed number depends on version.
2. Then press SETUP button, the following informations will be displayed.

- 80 F 27 30

Power-off Cause Temperature Volume Level Listening Mode
P : Protect xx F or xx C yy zz ---> Refer to the code list below.
- : Other

Listening Mode Code List
Code Listening Mode Code Listening Mode Code Listening Mode
01 Pure Audio 26 Neo:6 Cinema 30 DTS-HD High Resolution
02 Direct 27 Neo:6 Music 30 DTS-HD Master Audio
03 Stereo 28 Neural Surround 30 DSD
04 Mono 40 PLII Movie THX 39 +PLIIx Movie
07 Mono Movie 41 PLIIx Movie THX 3A +PLIIx Music
09 Orchestra 42 Neo:6 Cinema THX 38 Dolby EX
0A Unplugged 43 PLII Movie THX Games 37 +Neo:6
0B Studio-Mix 44 Neo:6 Cinema THX Games 31 DTS Matrix
0C TV Logic 29 Neural-THX 31 DTS Discrete
0D All CH Stereo 30 Dolby Digital 50 THX Cinema
0E Full Mono 30 DTS 58 THX Surround EX
0F PLII Movie T-D 3B DTS96/24 5C THX Ultra2 Cinema
20 PLII Movie 30 AAC 5D THX Music Mode
21 PLII Music 30 MultiCh 5E THX Games
22 PLII Game 30 Dolby Digital Plus 59 +PLIIx Movie THX
23 PLIIx Movie 30 Dolby TrueHD 57 +Neo:6 THX
24 PLIIx Music 3D +Neural-THX
25 PLIIx Game 51 DTX Matrix THX
52 DTS Discrete THX

3. Press SETUP button again. The following information are displayed.

0 1 :23 10 h o u r

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

4. Press RETURN button. The information will be cleared.

P rote ctData CL R
TX-SR607/DTR-30.1

DEBUG MODE-5
HDMI DEBUG MODE-1/2

HDMI-related operations can be checked to some extent by displaying HDMI Debug Mode.
If a trouble of HDMI video occurs, first display this mode and try to find out the cause and remdy.

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

Segment No. of FL Display
FL Display

FL segment No. ---> 0 1 2 3 4 5 7 6 8 9 10 11 12 13 14

Input/Output State and Example of FL Display

Video Input Format Status Description FL segment No. ---> 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14

Normal Source Description ---> Input Resolution i/p/I/P Frame Rate Output Resolution i/p/I/P
Video Formats Source Device Video Format : OK, Display --->
Sink Device EDID : OK (Example)
Normal State
Source Device Video Format : OK
Sink Device Hot plug : Low
Error State ---> Remedy 1
Source Device Video Format : OK
Sink Device HDCP Authentication : Fail
Error State ---> Remedy 2 Blinks
Source Device Video Format : OK
Sink Device Resolution : Error
Error State ---> Remedy 3 Error mark
Source Device Video Format : OK
Sink Device EDID Reading : Error
Error State ---> Remedy 4 Error mark
Source Device Video Format : OK
Sink Device :
Busy(Cannot accept HDMI signal) Error mark
Error State ---> Remedy 5
Description ---> Input Resolution i/p/I/P Frame Rate Output Resolution i/p/I/P

Progressive/ Interlace i/p/I/P
i : HDMI, Interlace
p : HDMI, Progressive
I : DVI, Interlace
P : DVI, Progressive

Frame Rate
/6 : 60 frame/sec
/5 : 50 frame/sec

Video signal input
: Analog input
: HDMI input
TX-SR607/DTR-30.1

DEBUG MODE-6
HDMI DEBUG MODE-2/2

Input/Output State and Example of FL Display(Continued)
Video Input Format Status Description FL segment No. ---> 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14

Source Device Video signal route :
Video resolution is HDMI Input ---> Through Mode
not Determined Error State ---> Remedy 6
Video signal route : Analog Video Input
---> Up-convert (Via Video Signal Processor)
Error State ---> Remedy 7

Description ---> Input Input i/p/I/P Frame Rate
Horizontal Resolution Vertical Resolution
Source Video Format: Source Device PC Video Format : OK,
PC Format Sink Device EDID : OK
Normal State
Source Device PC Video Format : OK,
Sink Device Hot plug : Low
Error State ---> Remedy 8 Error
Source Device PC Video Format : OK,
Sink Device HDCP Authenification : Fail
Error State ---> Remedy 9 Blinks
Source Device PC Video Format : OK,
Sink Device EDID Reading : Error
Error State ---> Remedy 10 Error mark

VGA input via DVI-HDMI conversion cable
Normal State

VGA input via HDMI cable
Normal State

NOTE:
1. 1920x1080/24Hz can be displayed in Through Mode only.
2. 640x480p/60 is displaed as "VGA" instead of itself.

Remedy for Error State
Remedy No. Remedy
1 The most possible cause is the hardware trouble of Sink device. Fix it.
2 Refer to HDCP and Authentification error in "DEBUG MODE-7". Follow the procedure.
3 Refer to Resolution error in "DEBUG MODE-7". Follow the procedure.
4 Refer to EDID error in "DEBUG MODE-7". Follow the procedure.
5 Check other HDMI Inputs of AV receiver. If NG, the most possible cause is the hardware trouble of Sink device. Fix it.
6 Check Source device output signal. No signal, or the format is not supported by both HDMI and AV receiver.
7 The same as 6 .
8 The most possible cause is the hardware trouble of Sink device. Fix it.
9 The same as 2 .
10 The same as 4 .
TX-SR607/DTR-30.1

DEBUG MODE-7
HDMI TROUBLESHOOT-1/3
HDMI VIDEO SETUP TROUBLE
1. This troubleshoot focuses on the video setup errors regarding HDMI.
2. For reference, read TX-SR607/DTR-30.1 Owner's Manual.
3. Analysis written below is of typical cases.
So, more detailed check may need in actual cases because of multiple
hardware and software causes.
4. As for DTR-30.1, the procedure below is the same as TX-SR607
except model name.
Video trouble

No picture Bad picture

No picture
"Resolution Picture is OK "No HDCP Push
when HDCP- "No signal" is
Display HDMI Error" is if player is support" is DISPLAY HDMI cable is Only 1080p is Picture is not
capable DVD displayed Picture is dark Bad aspect Bad color
DEBUG MODE displayed connected displayed button for NG or too long not displayed right
or BD disc is on FL
on FL directly to TV on FL 3 sec.
played

Resolution or Player is not Confirm and
Re-calibrate Set manually
Check aspect of TV EDID error HDCP-capable "Unknown" Change to Set TX-SR607's change
TV is not TV does not video the aspect
Information and player is between TV or has special is displayed short HDMI Player is PC x.v.Color setting the TV setup
HDCP-capable support 1080p processor IC setting of
on FL different from and player HDCP authentic on FL cable to disable (2) to match
in TX-SR607 player
each other procedure the player

Change Change player's Change Change player The resolution Change Confirm and
settings of TV, Use Component change
resolution or TX-SR607's or consult with Authentic No signal from is not resolution setting
player or Video instead the player
aspect to TV's HDMI resolution the player error player supported by of player to
TX-SR607 of HDMI setup to
capability to Through(1) maker HDMI 1080i or less
match the TV

Example: Check player's Change Change
Use Component
Samsung setting and PC setting to TX-SR607's
Video instead
DVD-HR737 HDMI cable HDMI supported HDMI resolution
of HDMI
connection resolution to Through(1)

(1) Refer to Instruction Manual page 83 (English version)
Resolution : Through.
(2) Refer to Setup Menu 7-3. HDMI
x.v.Color : Disable.
TX-SR607/DTR-30.1

DEBUG MODE-8
HDMI TROUBLESHOOT-2/3
HDMI AUDIO SETUP TROUBLE
1. This troubleshoot focuses on the audio setups and
connections regarding HDMI.
2. For reference, read TX-SR607/DTR-30.1 Owner's Manual.
3. Analysis written below is of typical cases.
So, more detailed check may need in actual cases
because of multiple hardware and software causes.
4. As for DTR-30.1, the procedure below is the same as
TX-SR607 except model name.
Audio trouble

No sound Bad sound

Short sound
The Input assigned No sound on Sound not on
No digital audio drop at Sound drop
to HDMI is not specific AV speakers
signal on HDMI the beginning during music play
selected now channnel but on TV
of music

No sound on HDMI takes Check HDMI
Change to the Check the digital STB is YAGI
Check speaker specific channels longer time in Control (CEC) TV is in
input assigned audio output DTC10 or
config. according to identifying setting of TX-SR607 Standby Mode
to HDMI setting of player compatibles
listening mode audio format and TV

Confirm again Change the Change all Check the support Change CEC This STB does
TX-SR607's digital audio speakers tables of settings of Power on TV not comply
Input Assign connected to Listening mode / Normal TX-SR607 and with HDMI
output to HDMI or enable iLINK
1-1. HDMI Yes Audio format TV clock system
in TX-SR607
owner's manual

Change STB or
Example :
consult with
Hitachi TV
STB maker
TX-SR607/DTR-30.1

DEBUG MODE-9
HDMI TROUBLESHOOT-3/3
HDMI HARDWARE TROUBLE
NOTE: Main Device (IC)
1. This troubleshoot focuses on the HDMI hardware troubles. Circuit No. Function Description
2. For details, refer to TX-SR607/DTR-30.1 Block Diagrams
Q701 Main microprocessor MPD70F3746
and Schematic Diagrams.
Q8001 Video processor FLI30502
3. Analysis written below is of typical cases.
Q8501 HDMI Receiver SiI9233ACTU
So, more detailed check may need in actual cases
Q8162 HDMI Switch SiI9185ACTU
because of multiple hardware and software causes.
Q8401 HDMI Transmitter SiI9134
4. Before replace IC or pcb below, resolder the pins in order
to save resources.
HDMI no picture 5. As for DTR-30.1, the procedure below is the same as
or dropout trouble TX-SR607 except model name.

Check video Only HDMI IN 1, HDMI IN4, IN5 One of HDMI HDMI IN1 to Up-conversion from Display HDMI
version IN 2 or IN 3 and IN4, IN5 and IN5 all analog video to HDMI DEBUG MODE
no output FRONT HDMI FRONT HDMI no output is NG
all no output no output

Version is not Latest Path from Path from the Path from Q8401
Old version Related pin of HDMI IN 1 Related pin of Q8401 is NG HDMI IN1 to IN5 Check Information
displayed version HDMI IN 1 Q8162 is NG terminal to Q8501 is NG to HDMI OUT
Q8501 is NG terminal is NG Q8162 is NG are normally output on FL display
terminal to Q8162 is NG terminal is NG
Q8501 is NG

Update to the Interface of
Q701 is NG Q8001 is NG Path from
latest version Q8001 and Impossible to Replace Resolder the Check the One terminal Check power Check power supply HDMI OUT Refer to DEBUG
of HDMI IN4, Q8001 is NG Q8001 to
Q701 is NG replace Q8501 HDMI IN 1 pins of the parts power supply supply pin of pin of Q8401 terminal is NG MODE-5, 6
terminal from HDMI IN 1 pin of Q8162 IN5 and Q8501 Q8401 is NG
NG OK
terminal to Q8501 FRONT HDMI
OK OK NG
is NG.

According to each
Check the Check power Replace the remedy, solve the
Impossible to Replace Confirm waveform Replace Q8401 problems
power supply supply pin of Replace Replace the terminal
replace Q8001 HDMI Board is viewable by
pin of Q701 Q8001 Q8162 terminal
BAHDM-0063 oscilloscope
OK NG from HDMI IN 1
terminal to Q8501
Resolder the pins
of the parts from
Check +3.3V Change HDMI Check power the terminal to Check the power Resolder the pins Check power Resolder the pins
Replace Find out bad Impossible to
power supply Board supply circuit Q8162 supply circuit for of the parts from supply pin of of the parts from
Q701 part and replace Q8001
circuit NAHDM-9473 for Q8001 Q8401 Q8401 to the terminal Q8001 Q8001 to Q8401
replace it
OK NG
Confirm waveform Impossible to Check the power
is viewable by replace Q8501 supply circuit
oscilloscope for Q8501
Check P-OFF pins Check RESET pin Resolder the pins Confirm waveform Change HDMI Check the Confirm that
from the terminal
#18 and #98 of Q701. #14 of Q701. of the parts from is viewable by Board power supply waveform is
to Q8162
They must be "high" It moves High --> Q8001 to Q701 oscilloscope from BAHDM-0063 circuit for Q8001 viewable by
Low --> High after Q8401 to the terminal oscilloscope from
powered on. Replace Q8001 to Q8401
Find out bad part HDMI Board
and replace it BAHDM-0063

Find out bad part Find out bad part
and replace it and replace it
TX-SR607
A354
x 8 pcs.

EXPLODED VIEWS-1 P8651
U004 A350
A103 (HDMI, U.Port etc.)
P901 x 9 or 8 pcs. A360
only A105 A069
x 28 or 29 pcs. A342 (B) model
A102 A344 (S)/(G) model
A056 x 2 pcs. U0021 x 7 pcs.
A070
P2801
P101
U0032 U002
U010 A017
A068 U006 A340
x 2 pcs.
A362
See in
A068 EXPLODED VIEWS-3
A101 U005 A044 U0015
A066
only
A036 A042
A107 x 2 pcs. U001 x 2 pcs.
for INLET x 2 pcs.
A034
A021 U0014 See in
x 2 pcs. F6901 A054
EXPLODED VIEWS-2
A023 F6902
U0013
A038 A264
A025 A058 x 2 pcs. A036
x 4 pcs. x 2 pcs.
F901
F901E U0022 A040
U0011 A027 A030
A032
F910
U0033
T901

A001
A040
A006 x 2 pcs.
x 8 pcs. A011 A013
x 2 pcs.
A010
A004 A003 A015 x 2 pcs.
2mm(Ball) x 4 pcs.

TX-SR607
A007 A019 A260
x 4 pcs. A256 A040 x 3 pcs.
A005 A009 U0034
x 4 pcs. x 2 pcs.
TX-SR607

EXPLODED VIEWS-2

P701
A223
x 23 pcs.
A221
U003
A264
A215 x 2 pcs.
A219 A211

A201

U0031
A217
A223
x 2 pcs.
A321

U0041
A250

A255 A207
x 5 pcs.

A202

TX-SR607
TX-SR607

EXPLODED VIEWS-3

Q6050A Q6050B
x 2 pcs. x 6 pcs.

A050
x 14 pcs.

Q6056
Q6066
Q6054
Q6064
Q6051
Q6061
Q6052
Q6062
Q6050
Q6060
Q6053
Q6063
Q6055
Q6065

TX-SR607
TX-SR607/SA607/DTR-30.1/20.1/HT-RC160
A B C D E F G