Onkyo TXSR 706 Service Manual

Page 1

TX-SR706/SA706

Ref. No. 4092

ON KYO SERVICE MANUAL °72°°3

AV RECEIVER

MODEL TX-S R706
MODEL TX-SA706

0 © ©©©©©©©©©ooo

RC-717M

TX-SR706 Black, Golden and Silver models

B MDC, S MDD, G MDT 120V AC, 601-12

B MMP, MMA, S MMP, MMA 220-240V AC, SOHZ

B MMO, S MMO 220-240V AC, 50/60Hz
G MMQ, MMT 220-240V AC, 50/60Hz

TX-SA706 Golden model
| G MMR 220-240V AC, 50/601-12

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 0R RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.

ONKYO®

IMAGINATIVE SIGHT SI SOUND

Page 43

A |

SCHEMATIC DIAGRAM-16(SD-16)

WAVEFORM SECTION

NOT

short for

2. Heler to SD-7(SCHEMATIC DIAGRAM»9)
lor the location of each waveform on circuit.

3. SD-X:XY is Short for Shoematic Diagram-X and
each sockel's location. Xfl lo H,Y=1 lo 5.

1 can (so-7:05)

FS=44.1kHZ:CD. Clock width 2.7us
BIT CLOCK (SALSLCK. CX,SLCK)

64Fs=3072kHZ : DVD. Clock width-4525M
64FS=2822AkHZ : CD. Clock width=354ns

com (SD-7:C5)

SALSDOUT (SD-7:D5)

Video source color and pattern

Cyan Magenta Blue
Yellow Green Red

Composite waveform

Ti
IV
L,
L soaps 4.1
imsc)
1.2 Vp-p (H)

S-Video Y waveform

S-Video C waveform

zao mVp-p

NOTE: ComponentY waveform Component PB waveform Component PR waveform
1. is short lor Waveformz1 _
2. Fleier to sn-siSCHEMATlc DIAGRAM-6) 50535233 335-32
7 ,7 for the location ol each wavelorm on circuit.
3. SD-x:XY is short lor hcernatic Dia ram-x and
S 9
4.0V 50V 33V each sockets Iocalion, x=A to H. Y=1 to 5.
4 J L l 4. In the case that video outputs are not T
7 7 connected to video devices, video signal iv _
output levels are doubled. L7
Duty wries according to audio data Duty always varies according to audio data Duty varies according to audio data m VW 120 "NW 723 "NW
SALLRCK (39.735) SALSLCK (SD-7:D5) PCMFLR3 (SD-7E4)
3.3V 3.3V 3 3V HDMI 00,01 J32 waveform SCK/SDATA waveform SCK/SDATA waveform
v.1 AN 4 v- SD-10:BS. H4 80-11195 5044:0352 SD-14:D3,F2
5V 5V
emails 325 "5 maps 35K 35K
asomv 0v ov
5V 5V
CxiLRCK (so-7154) 8 CLSCLK (SD-71E4) u (SD-7: F5) sum sum
2,227.5MHZ
(iosomzpltl 0" W
i 7 SDATA wavelonn varies awarding lo
j j the data contanl
3.3V 3.3V 2.5V
4 SCK/CS waveform
UV
Analog audio waveform with aliasing noise 5V
20 tape :25 ns 27ml: SCK
(430i. abll) ov
DO,D1.D2 Eye-patiem wavelorm. lrequency and
level vary acoording to video resolution, aspect 5V
DAELFL (504342) DAG FL (307142) and prolile.Waveiorms above are examples. CS
0V
4L HDMI CK waveform
2 av W mva 50-1033, H4 SD-11:BS SCK/RESET waveform SCK/RESET waveform
T D-14:D3,F2 SD-14:D3,F2
ov {- 5v 5v
Analog audio wavelorm with aliasing noise Aliasing noise in no audio data SCK SCK
0V 0V
5V 5V
222,75MHZ
(ioaop,12orll RESET

ov 0v

CK wavelorm. frequency and level dirler aocording to
video resolulion. aspect and profile.
DO.D1.D2 are just OK x10.

when power on When power oil