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DTC-9.8
Ref. No. 4017
July, 2007
SERVICE MANUAL
AV CONTROLLER
MODEL DTC-9.8
On Standby
TV
Input
DVD VCR/ DVR CBL/ SAT
1 2 3 +
Game / TV AUX 1 AUX 2 TV CH
4 5 6 -
Tape Tuner CD
7 8 9
Phono D.TUN TV VOL
+10 0 Clear
--/ --- 10 11 12
Input Selector
Macro
1 2 3 Zone 3
Remote Mode
DVD VCR CD Zone 2
CDR/MD
TV Cable Dock Receiver
SAT Tape/AMP
Dimmer Sleep
Me
M enu nu
To p
+
CH
Disc Enter VOL
Album
-
Gu
id e E it
x
Prev Se rn
CH tu u
p Re t
Disp la y M u t in g
Rec Playlist Random
Listening Mode
Stereo Surround
Repeat Audio Subtitle Play Mode
Direct THX All ST
Test Tone CH Sel Level - Level +
Open/Close Video Off
Audio Sel L Night Re-EQ
VCR DVD HDD
RC-691M
RC-691M
Black model
B UDD, B MDD 120V AC, 60Hz
B UMA, B MMA 220V~240V AC, 50Hz
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.
DTC-9.8
A114
EXPLODED VIEW U26 A094 U09
A112 x 6 pcs.
x 2 pcs. x 3 pcs.
U08
A112 U10 A410
A119
A118 A113 A104
A116 T905
A110 A096
A114
x 2 pcs. F2501
F2502 F9301 A400
A085 A056 T904
x 2 pcs. x 8 pcs. A414
U20 A271
P2801
P102 T903
U12 U03 U02
A109 A270
DD Type A107 x 2 pcs.
U13 x 4 pcs.
A108
A089 x 6 pcs. A072 P7501 A085
U07 A137
P205 x 2 pcs.
A090
A113 U14 A100 A137 A085 U22
U01 A261 x 2 pcs.
A132 U16 F5003 A085
U15 U21 U24
A128 U05 F5002 x 13 pcs.
U04 F5001 A112
A085 x 3 pcs.
U27 F5000 A142
A098 x 2 pcs.
P101 A251
DD Type A089
U25 A085
x 4 pcs. U17
F9000 A076 A092
A120 U18 A259
P101 x 2 pcs. A084 A085
x 4 pcs. U19
U017 A085
x 2 pcs.
MA Type A085
x 2 pcs.
A263 A253 A301
A087 A264 A255
U06 A203 A281
A066
A106 A201
A070
x 4 pcs. A084 A112 A087
DTC-9.8
A068 A085 x 5 pcs. A086 A085
x 4 pcs. x 5 pcs. A304
x 2 pcs. A112
A112 A078
x 3 pcs. x 6 pcs.
x 4 pcs.
DTC-9.8
A B C D
Analog Switch Array
BLOCK DIAGRAMS-1 AUX 2 IN
Q4029
TC94A46CFG
FM (FRONT)
AUDIO SECTION ANTENNA
R L
SETUP MIC
TUNER UNIT ch2
AM LOOP
ANTENNA HD RADIO: Analo
DD Type only
Q4
ch1 NJU
1 Q4304 NJU7312A
Analog Switch
MAIN A
MAIN L
DD Type Only
XM ch6 MAIN B DAC FL
MIX L
Sirrus
MAIN R
L DAC FR
CD ch4 MIX R
R
MCH C
-6dB
-6dB
DAC C
L L
PHONO RIAA ch3 R
R MCH SW
DAC SW
L
TAPE ch7
R Z2
MCH SL
DAC SL
0dB
0dB
L
TAPE OUT ch5
MCH SR
R
2 L
AUX 1 ch8
R
Z3
L
GAME/TV ch9
R
Analog Switch
NJU7313A
Q4305
Video REC
ch10
L
CBL/SAT ch11
R
L
VCR/DVR OUT Q4305 ch12 N
R NJU7313A
MCH_SBR
MCH_SBL
DAC_SBR
Analog Switch
DAC SW2
DAC_SBL
MCH_SW
MCH_SR
DAC CT2
DAC_SW
MCH_CT
MCH_SL
DAC_SR
DAC_FR
DAC_CT
DAC_SL
DAC_FL
L
V_OUT_R
V_OUT_L
VCR/DVR IN ch14
3 R
L
DVD ch13
R
FL
MULTI CHANNEL INPUT
FR
C
SW
SL
SR
SBL
SBR
4 HDMI BOARD I2S
NAHDM-9114
SD-11 to 15
-6dB
-6dB
I2S/DSD
I2S (DVD audio,etc)
IN 1-4
HDMI TC74VHC157FT
HDMI I/F SPDIF DSD
OUT MULTIPLEXER
Q3001 DSP BLOCK
MAIN,SUB TC74VHC157FT SD-6 and 7
1st DSP Q3401: TMS320D790E001BZDH275 or
OPTICAL IN 1 TMS320D710E001BZDH275
(SD-10)
OPTICAL IN 2 FLASH ROM I2S
2nd DSP Q3501: TMS320D788E001BRFP266 or
TMS320D708E001BRFP266
DIGITAL IN DSD
(SD-11)
(FRONT)
3rd DSP Q3601: TMS320D707E001BRFP250
OPTICAL OUT SD_RAM
(SD-11)
5 COAX IN 1
RX0
COAX IN 2 ADC
COAX IN 3
RX5
RX6
RX7
DIR
Refer to SCHEMATIC DIAGRAM-5 and -19 (SD-5 and SD-19) Q3041
for digital audio signal flow waveforms. CS42516
DTC-9.8
E F G H
HEADPHONES
Analog Switch Volume
Q4304 Q4405
NJU7312A CS3318
BALANCE TERMINAL BOARD BALANCE
NATRM-9108 SD-18 PRE OUT
AIN L
AC FL FL
IX L FL
FRONT L
AIN R
AC FR
IX R FR FR
FRONT R
CH C
AC C
C C
CENTER
H SW
SW
SW SW
+20dB
SW
CH SL
C SL SL SL
SURR L
SR SR
SURR R
SBL SBL
SURR BACK L
SBR
SURR BACK R
L
SBR
L
BALANCE
R INPUT
R
Q4306
NJU7311A Analog Switch PRE OUT
. L
0dB FIX ZONE2 PRE OUT/LINE OUT FRONT
0dB FIX R
TONE
L
CENTER
0dB FIX
R
0dB FIX TONE SUBWOOFER
SW
L
SURR
ZONE3 PRE OUT/LINE OUT R
L L SURR
R BACK
R
SW NAVD-9052 SD-3
Q4204 R2S15211FP
Audio Selector, Volume, Tone 12V TRIGGER OUT A
12V TRIGGER
CONTROL
12V TRIGGER OUT B
12V TRIGGER OUT C
SW2
SBR
SBL
SW
SR
FR
C2
SL
IR IN A
C
FL
IR
+6dB
+6dB
+6dB
+6dB
+6dB
+6dB
+6dB
+6dB
+6dB
+6dB
REMOTE IR IN B
SENSOR
VLSC
VLSC
VLSC
VLSC
VLSC
VLSC
VLSC
VLSC
VLSC
VLSC
IR OUT
NADG-9074 SD-5
RI
2S INTERFACE RIex
Q3701 Q3721 Q3741 Q3761 Q3781
SD PCM1796 PCM1796 PCM1796 PCM1796 PCM1796
Q3031 ICL3221E
DAC DAC DAC DAC DAC RS232
INTERFACE RS232
.
.
.
.
Q7001
M3087BFKBGP
MAIN MICROPROCESSOR
TC74VHC157FT MULTIPLEXER
E-CONTROL BOARD
NALAN-9079 SD-17 ETHERNET
(E-CONTROL)
6
DTC-9.8
A B C D
BLOCK DIAGRAMS-2
VIDEO SECTION
1
VIDEO BOARD
COMPONENT VIDEO NAVD-9052 (SD-3) Video Switch
Q2201 C-DET
Y NJW1321
. MMP
IN 1 CB 6dB
Y
.
CR 6dB
Y
.
IN 2 CB 6dB CB
.
CR
2 6dB
Y
.
IN 3 CB 6dB CR
.
CR 6dB
Video Amp
Q2006-2011 Q2012,Q2013
74HC4051 NJM2587
HDAPY
Y
COMPOSITE VIDEO
MAIN HDAPB
LPF(12MHz) CB
6dB DRV
DVD
HDAPR
CR
VCR/DVR
CBL/SAT Z2
LPF(6MHz)
3 6dB DRV
GAME/TV
AUX 1
AUX 2
(FRONT)
S VIDEO INPUT MAIN
LPF(12MHz)
C Y 6dB DRV
S-DET
DVD
C Y
MMP
VCR/DVR
Z2
LPF(6MHz)
C Y 6dB DRV
CBL/SAT
4 Z2 S-DET
C Y
GAME/TV
MMP
MAIN
C Y LPF(12MHz)
AUX 1 6dB DRV
C Y
AUX 2
(FRONT)
Z2
BPF(140K-6MHz)
6dB DRV 6dB DRV
Q2014
MM1512
Y/C Mix
NOTE
MMP is short for MAIN MICROPROCESSOR.
5
Refer to SCHEMATIC DIAGRAM-3, 13, 14 and 19 (SD-3, SD-13, SD-14 and SD-19)
for video and HDMI signal waveforms.
DTC-9.8
E F G H
Video Amp
Q2206 COMPONENT VIDEO
NJM2586A 100MHz -3dB
Y
6dB
CB MONITOR OUT 1
6dB
6dB
CR
VMUT
MMP
Q2207 NJM2586A 100MHz -3dB Y
6dB MONITOR OUT 2
CB / ZONE 2 OUT
6dB
HDBPY
6dB
HDBPB
HDBPB
CR
VMUT
MMP
CR
CB
Y
24MHz MAX
Video Amp
Q2012,Q2013
HDMI BOARD NJM2587
NAHDM-9114 12MHz MAX
Y
(SD-11 TO SD-15) CVBS
HDBCV
LPF(12MHz)
6dB DRV
CB HDBSC
Y LPF(12MHz)
6dB DRV
HDBSY
CR C LPF(12MHz)