Onkyo TX-SR876 - AV Receiver User manual

TX-SR876/SA876
SERVICE MANUAL
Ref. No. 4094
082008
AV RECEIVER
MODEL TX-SR876
MODEL TX-SA876
TX-SR876 Black, Golden and Silver models
TX-SA876 Golden model
220-240V AC, 50Hz
220-240V AC, 50/60Hz
B MMP, S MMP, B MMB, S MMB
G MMT
RC-690M
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.
B MDC, S MDD, GMDT 120V AC, 60Hz
220-240V AC, 50/60HzG MMR
INPUT SELECTOR
LISTENING MODE
ON STANDBY
GNITUMYALPSID
RC- 690 M
G
U
I
D
E
E
X
I
T
PREV
CH
DIMMER
CDR/MD
SAT TAPE/AMP
SLEEP
MACRO
REMOTE MODE
SUBTITLE AUDIO
REPEAT
PLAY MODE
--
/
---
10 11 12
VIDEO OFFOPEN/CLOSE
TV
TV CH
TV VOL
PLAYLIST RANDOM
DVD
AUX1AUX
2
GAME/TV
CBL/SATVCR/DVR
D. TUN
CD TUNER TAPE
PHONO
VCRVCR DVDDVD HDDHDD
S. RESTORE
REC
ENTER
TEST TONE
AUDIO SEL
CH SEL
SURR
DIRECT THX PURE A
STEREO
LEVEL
+
LEVEL
-
L NIGHT
ALL ST
T
O
P
M
E
N
U
M
E
N
U
VOL
CH
DISC
ALBUM
TV
VCR
CABLE DOCK
DVD
RECEIVER
CD
+
-
123
ZONE 3
ZONE 2
INPUT
+
-
+10 0
CLEAR
123
456
789
S
E
T
U
P
R
E
T
U
R
N
Re-EQ
TX-SR876

EXPLODED VIEWS-1
TX-SR876/SA876
TX-SR876/SA876
U42
DC,DD type
Note-1
(MB Type)
Note-3
Note-1:
Note-1
Note-2
Note-2
Note-2:
Note-3:
U43
A133
A128
A132
A150
A069
x 4 pcs.
A070
x 4 pcs.
P6800
x 18 pcs.
A008
x 3 pcs.
A008
x 3 pcs.
A008
x 3 pcs.
A008
x 2 pcs.
A008
x 15 pcs.
A008
x 2 pcs.
A008
x 2 pcs.
A008
x 2 pcs.
A402
x 6 pcs.
A406
x 3 pcs.
A321
x 2 pcs.
A113
A008
x 5 pcs.
A068
x 4 pcs.
A075
x 3 pcs.
A076
x 4 pcs.
A037
x 51 pcs.
A037
x 8 pcs.
A037
x 2 pcs.
A037
x 2 pcs.
A037
x 5 pcs.
A037
x 2 pcs.
A037
x 4 pcs.
A114
x 2 pcs.
A094
x 2 pcs.
A078
x 3 pcs.
A066
A400
A022
A411
A410
A137
A270
A086
A049
A205
A219A239
A223
A037
A037
A221
A209
A211
A213
A215
A259
A311
A313
A315
P9008
DT,MP,MB,MT type
DT,MP,MB,MT,
SA876 type
A207
A217
A201
A261
A008
A253
A251
A255
A301
A303
A281
A104
A100
A110
P101
P2801
P7501
U33
U38
U41
U39
U34
U35
U36U40
A022
F2501
F2502
U14 U017
U06
U09
U10
U26
U31
U32
A120
U11
U13
U12
U25
U28
U27
U07
U08
U30
P101
F9100
F9000
F9101
F9102
A116
A118
A067
A106
A096
A092
A090
A098
A008
A105
A139
Refer to <Fig-1> in
EXPLODED VIEWS-2

EXPLODED VIEWS-2
TX-SR876/SA876
TX-SR876/SA876
A008
x 3 pcs.
A033
A038
A039
x 2 pcs.
A001
U04
U05
T901
A022
A021
A021
A058
A062 A048
A022
Q6093
Q6083
Q6063
Q6053
Q6051
Q6081
Q6061
Q6091
Q6056
Q6066
Q6086
Q6096
Q6084
Q6094
Q6054
Q6064
Q6082
Q6092
Q6052
Q6062
Q6095
Q6085
Q6065
Q6055
Q6090
Q6080
Q6060
Q6050
A015
A001
A022 A022
U37
A040
A049
F9301
P062
P061
A044
A014
A120 F6601
F6603
F6602
F6604
A120
A005
x 4 pcs.
A007
x 4 pcs.
A011
x 2 pcs.
A008
x 4 pcs.
A008
x 3 pcs.
A008
x 2 pcs.
A025
U03
U01
U18
U23
U21
U19
U24
U20
U22
U02
U16
U17
A008
x 7 pcs.
A060
x 2 pcs.
A042
x 4 pcs.
A090
x 4 pcs.
A018
A004
A008
A046
x 4 pcs.
A056
x 4 pcs.
A008
x 2 pcs.
A120
A120
A008
x 2 pcs.
A008
x 6 pcs.
A008
x 2 pcs.
Q6080A
x 2 pcs.
Q6050A
x 2 pcs.
A008
x 2 pcs.
A005
x 4 pcs.
A007
x 4 pcs.
A009
x 12 pcs.
A009
x 16 pcs.
<Fig-1>
A064

BLOCK DIAGRAMS-1
AUDIO SECTION
TX-SR876/SA876TX-SR876/SA876
A
1
2
3
4
5
BCDEFGH
SPDIF
RX0
RX5
MCH SR
RX6
RX7
DAC_FL DAC_SL DAC_SR DAC_SBR DAC_SBL
V_OUT_L V_OUT_R
DAC_FR
DAC FL
MIX L
MIX R
DAC FR
DAC_CT DAC_SW
MCH C
DAC C
MCH SW
DAC SW
MCH SL
MAIN L
MAIN R
DAC SL
DAC CT2 DAC SW2 MCH_SBR MCH_SBL MCH_SR MCH_SL MCH_SW MCH_CT
CENTER
SURROUND LEFT
SURROUND RIGHT
ZONE2 RIGHT
VCR/DVR OUT
TAPE OUT
SURROUND BACK
FRONT RIGHT
FRONT LEFT
- FRONT RIGHT(BTL) +
- FRONT LEFT(BTL) +
TAPE
VCR/DVR IN
CBL/SAT
GAME/TV
DVD
OUT
IN 1-4
ch3
ch4
ch14
SURROUND BACK
or Bi-AMP LEFT
or Bi-AMP RIGHT
OPTICAL IN 1
DIGITAL IN
(FRONT)
COAX IN 2
COAX IN 1
HDMI
C
SBL
HDMI
I/F
FLASH ROM
SD_RAM
I2S
DSD
FL
FR
SL
SR
+20dB
SW2
I2S
I2S
DSD
PHONO
OPTICAL IN 2
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
ZONE2 LEFT
SBR
L
FRONT
SURR
SURR
BACK
R
SUBWOOFER
CENTER
L
R
L
R
CD
(DC,DD Type Only)
SW
R
L
R
L
ZONE2 PREOUT/LINEOUT
TONE
Q4204 R2S15211FP
0dB FIX
ZONE3 PREOUT/LINEOUT
ADC
-6dB -6dB
Q3041
CS42516
MAIN B
Z2
Z3
C2
RL
FL
FR
C
SW
SL
SR
SBL
SBR
Q4305
NJU7313A
HEADPHONES
(DVD audio,etc)
Q4306
NJU7311A
0dB
Video REC
0dB -6dB
-6dB
Q4405
CS3318
VIDEO IN
AUX 2
AUX 1
Q4029
TC94A46CFG
ch13
ch12
ch11
ch10
ch9
ch8
ch2
RIAA
XM
Sirrus
MAIN A
DIR
TONE
0dB FIX
NJU7313A
ch7
ch6
ch5
Q4304
NJU7312A
NJU7312A
0dB FIX
0dB FIX
1
2
3
SETUP MIC
3
2
1
OPTICAL OUT
.
COAX IN 3
MULTI CHANNEL INPUT
FL
FR
C
SW
SL
SR
SBL
SBR
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
PCM1796
DAC
PCM1796
DAC
Q3701 Q3721 Q3741 Q3761 Q3781
PCM1796
DAC
PCM1796
DAC
PCM1796
DAC
TC74VHC157FT MULTIPLEXER
.
.
. .
I2S/DSD
MULTIPLEXER
TC74VHC157FT
Q3001
TC74VHC157FT
<Note>
Refer to SCHEMATIC DIAGRAM-9 and -21 (SD-9 and SD-21)
for digital audio signal waveforms.
DSP BLOCK
SD-10, 11
2nd DSP Q3501 TMS320D788E001BRFP266
(SD-11)
1st DSP Q3401 TMS320D790E001BZDH300
(SD-10)
3rd DSP Q3601 TMS320D707E001BRFP250
(SD-11)
Analog Switch Array
Analog Switch
HDMI BOARD
NAHDM-9114
SD-15 to 19
Analog Switch
Analog Switch
Analog Switch
Volume
Audio Selector, Volume, Tone
SPEAKER TERMINALS
7 CH
POWER
AMPLIFIERS
PRE OUT
RS-232
TRANCEIVER
RS-232
Q3031 ICL3221E
RI
RI
Q7001
M3087BFKBGP
MAIN MICROPROCESSOR
INTERFACE
IR OUT
IR IR IN
NAVD-9052 SD-6
NADG-9074 SD-9
12V TRIGGER
OUT ZONE 2
12V TRIGGER
CONTROL
REMOTE
SENSOR
TUNER UNIT
HD RADIO:
DC,DD Type only
AM LOOP
ANTENNA
FM
ANTENNA
(TX-SA876 Only)
TUNER L
R
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC

BLOCK DIAGRAMS-1
AUDIO SECTION
TX-SR876/SA876
A
1
2
3
4
5
BCDEFGH
SPDIF
RX0
RX5
MCH SR
RX6
RX7
DAC_FL DAC_SL DAC_SR DAC_SBR DAC_SBL
V_OUT_L V_OUT_R
DAC_FR
DAC FL
MIX L
MIX R
DAC FR
DAC_CT DAC_SW
MCH C
DAC C
MCH SW
DAC SW
MCH SL
MAIN L
MAIN R
DAC SL
DAC CT2 DAC SW2 MCH_SBR MCH_SBL MCH_SR MCH_SL MCH_SW MCH_CT
CENTER
SURROUND LEFT
SURROUND RIGHT
ZONE2 RIGHT
VCR/DVR OUT
TAPE OUT
SURROUND BACK
FRONT RIGHT
FRONT LEFT
- FRONT RIGHT(BTL) +
- FRONT LEFT(BTL) +
TAPE
VCR/DVR IN
CBL/SAT
GAME/TV
DVD
OUT
IN 1-4
ch3
ch4
ch14
SURROUND BACK
or Bi-AMP LEFT
or Bi-AMP RIGHT
OPTICAL IN 1
DIGITAL IN
(FRONT)
COAX IN 2
COAX IN 1
HDMI
C
SBL
HDMI
I/F
FLASH ROM
SD_RAM
I2S
DSD
FL
FR
SL
SR
+20dB
SW2
I2S
I2S
DSD
PHONO
OPTICAL IN 2
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
ZONE2 LEFT
SBR
L
FRONT
SURR
SURR
BACK
R
SUBWOOFER
CENTER
L
R
L
R
CD
(DC,DD Type Only)
SW
R
L
R
L
ZONE2 PREOUT/LINEOUT
TONE
Q4204 R2S15211FP
0dB FIX
ZONE3 PREOUT/LINEOUT
ADC
-6dB -6dB
Q3041
CS42516
MAIN B
Z2
Z3
C2
RL
FL
FR
C
SW
SL
SR
SBL
SBR
Q4305
NJU7313A
HEADPHONES
(DVD audio,etc)
Q4306
NJU7311A
0dB
Video REC
0dB -6dB
-6dB
Q4405
CS3318
VIDEO IN
AUX 2
AUX 1
Q4029
TC94A46CFG
ch13
ch12
ch11
ch10
ch9
ch8
ch2
RIAA
XM
Sirrus
MAIN A
DIR
TONE
0dB FIX
NJU7313A
ch7
ch6
ch5
Q4304
NJU7312A
NJU7312A
0dB FIX
0dB FIX
1
2
3
SETUP MIC
3
2
1
OPTICAL OUT
.
COAX IN 3
MULTI CHANNEL INPUT
FL
FR
C
SW
SL
SR
SBL
SBR
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
PCM1796
DAC
PCM1796
DAC
Q3701 Q3721 Q3741 Q3761 Q3781
PCM1796
DAC
PCM1796
DAC
PCM1796
DAC
TC74VHC157FT MULTIPLEXER
.
.
. .
I2S/DSD
MULTIPLEXER
TC74VHC157FT
Q3001
TC74VHC157FT
<Note>
Refer to SCHEMATIC DIAGRAM-9 and -21 (SD-9 and SD-21)
for digital audio signal waveforms.
DSP BLOCK
SD-10, 11
2nd DSP Q3501 TMS320D788E001BRFP266
(SD-11)
1st DSP Q3401 TMS320D790E001BZDH300
(SD-10)
3rd DSP Q3601 TMS320D707E001BRFP250
(SD-11)
Analog Switch Array
Analog Switch
HDMI BOARD
NAHDM-9114
SD-15 to 19
Analog Switch
Analog Switch
Analog Switch
Volume
Audio Selector, Volume, Tone
SPEAKER TERMINALS
7 CH
POWER
AMPLIFIERS
PRE OUT
RS-232
TRANCEIVER
RS-232
Q3031 ICL3221E
RI
RI
Q7001
M3087BFKBGP
MAIN MICROPROCESSOR
INTERFACE
IR OUT
IR IR IN
NAVD-9052 SD-6
NADG-9074 SD-9
12V TRIGGER
OUT ZONE 2
12V TRIGGER
CONTROL
REMOTE
SENSOR
TUNER UNIT
HD RADIO:
DC,DD Type only
AM LOOP
ANTENNA
FM
ANTENNA
(TX-SA876 Only)
TUNER L
R
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC

BLOCK DIAGRAMS-1
AUDIO SECTION
TX-SR876/SA876
A
1
2
3
4
5
BCDEFGH
SPDIF
RX0
RX5
MCH SR
RX6
RX7
DAC_FL DAC_SL DAC_SR DAC_SBR DAC_SBL
V_OUT_L V_OUT_R
DAC_FR
DAC FL
MIX L
MIX R
DAC FR
DAC_CT DAC_SW
MCH C
DAC C
MCH SW
DAC SW
MCH SL
MAIN L
MAIN R
DAC SL
DAC CT2 DAC SW2 MCH_SBR MCH_SBL MCH_SR MCH_SL MCH_SW MCH_CT
CENTER
SURROUND LEFT
SURROUND RIGHT
ZONE2 RIGHT
VCR/DVR OUT
TAPE OUT
SURROUND BACK
FRONT RIGHT
FRONT LEFT
- FRONT RIGHT(BTL) +
- FRONT LEFT(BTL) +
TAPE
VCR/DVR IN
CBL/SAT
GAME/TV
DVD
OUT
IN 1-4
ch3
ch4
ch14
SURROUND BACK
or Bi-AMP LEFT
or Bi-AMP RIGHT
OPTICAL IN 1
DIGITAL IN
(FRONT)
COAX IN 2
COAX IN 1
HDMI
C
SBL
HDMI
I/F
FLASH ROM
SD_RAM
I2S
DSD
FL
FR
SL
SR
+20dB
SW2
I2S
I2S
DSD
PHONO
OPTICAL IN 2
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
+29dB
ZONE2 LEFT
SBR
L
FRONT
SURR
SURR
BACK
R
SUBWOOFER
CENTER
L
R
L
R
CD
(DC,DD Type Only)
SW
R
L
R
L
ZONE2 PREOUT/LINEOUT
TONE
Q4204 R2S15211FP
0dB FIX
ZONE3 PREOUT/LINEOUT
ADC
-6dB -6dB
Q3041
CS42516
MAIN B
Z2
Z3
C2
RL
FL
FR
C
SW
SL
SR
SBL
SBR
Q4305
NJU7313A
HEADPHONES
(DVD audio,etc)
Q4306
NJU7311A
0dB
Video REC
0dB -6dB
-6dB
Q4405
CS3318
VIDEO IN
AUX 2
AUX 1
Q4029
TC94A46CFG
ch13
ch12
ch11
ch10
ch9
ch8
ch2
RIAA
XM
Sirrus
MAIN A
DIR
TONE
0dB FIX
NJU7313A
ch7
ch6
ch5
Q4304
NJU7312A
NJU7312A
0dB FIX
0dB FIX
1
2
3
SETUP MIC
3
2
1
OPTICAL OUT
.
COAX IN 3
MULTI CHANNEL INPUT
FL
FR
C
SW
SL
SR
SBL
SBR
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
L
R
PCM1796
DAC
PCM1796
DAC
Q3701 Q3721 Q3741 Q3761 Q3781
PCM1796
DAC
PCM1796
DAC
PCM1796
DAC
TC74VHC157FT MULTIPLEXER
.
.
. .
I2S/DSD
MULTIPLEXER
TC74VHC157FT
Q3001
TC74VHC157FT
<Note>
Refer to SCHEMATIC DIAGRAM-9 and -21 (SD-9 and SD-21)
for digital audio signal waveforms.
DSP BLOCK
SD-10, 11
2nd DSP Q3501 TMS320D788E001BRFP266
(SD-11)
1st DSP Q3401 TMS320D790E001BZDH300
(SD-10)
3rd DSP Q3601 TMS320D707E001BRFP250
(SD-11)
Analog Switch Array
Analog Switch
HDMI BOARD
NAHDM-9114
SD-15 to 19
Analog Switch
Analog Switch
Analog Switch
Volume
Audio Selector, Volume, Tone
SPEAKER TERMINALS
7 CH
POWER
AMPLIFIERS
PRE OUT
RS-232
TRANCEIVER
RS-232
Q3031 ICL3221E
RI
RI
Q7001
M3087BFKBGP
MAIN MICROPROCESSOR
INTERFACE
IR OUT
IR IR IN
NAVD-9052 SD-6
NADG-9074 SD-9
12V TRIGGER
OUT ZONE 2
12V TRIGGER
CONTROL
REMOTE
SENSOR
TUNER UNIT
HD RADIO:
DC,DD Type only
AM LOOP
ANTENNA
FM
ANTENNA
(TX-SA876 Only)
TUNER L
R
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC
+6dB
VLSC

BLOCK DIAGRAMS-2
VIDEO SECTION
TX-SR876/SA876TX-SR876/SA876
A
1
2
3
4
5
BCDEFGH
CBL/SAT
VCR/DVR
AUX 1
DVD
GAME/TV
MONITOR OUT
VCR/DVR OUT
MONITOR OUT
VCR/DVR OUT
ZONE2 OUT
AUX 2
(FRONT)
CBL/SAT
VCR/DVR
AUX 1
DVD
GAME/TV
AUX 2
(FRONT)
C
YC
YC
Y
C
YC
YC
Y
CB1
CR1
Y2
CB2
CR2
CR3
Y3
CB3
Y1
IN 1
IN 2
IN 3
Y
CB
CR
C
CB
CR
Y
Y
CB CR
CVBS
Y
C
HDBSC
Y
CVBS
HDBPY
HDBPB HDBPB
24MHz MAX
HDMI BOARD
(NAHDM-9114, SD-15 to 19)
VIDEO BOARD (NAVD-9052, SD-6)
CY
CY
HDBCV
12MHz MAX
HDBSY
MONITOR OUT
C-DET
MAIN
MAIN
Z2
Z2
NOTE
MMP is short for MAIN MICROPROCESSOR.
S-DET
Z2 S-DET
LPF(12MHz)
LPF(12MHz)
LPF(12MHz)
LPF(6MHz)
Y
CB
CR
MAIN
Z2
Q2201
NJW1321
74HC4051
VMUT
Q2012,Q2013
NJM2587
Q2012,Q2013
NJM2587
Q2014
MM1512
BPF(140K-6MHz)
LPF(6MHz)
HDAPY
HDAPB
HDAPR
HDACV
HDASC
HDASY
Q2206
NJM2586A 100MHz -3dB
LPF(12MHz)
LPF(12MHz)
LPF(6MHz)
LPF(6MHz)
LPF(12MHz)
BPF(140K-6MHz)
6dB DRV
DRV
MMP
6dB DRV
6dB DRV
6dB DRV
DRV6dB
6dB DRV
.
6dB
.
6dB
.
.
6dB
6dB
6dB
.
.
6dB
6dB
6dB
6dB
6dB DRV
6dB DRV
75
75
75
75 75 75
6dB DRV
6dB DRV
6dB DRV
6dB DRV
6dB
MMP
MMP
MMP
S VIDEO INPUT
COMPOSITE VIDEO
COMPONENT VIDEO
<Note>
Refer to SCHEMATIC DIAGRAM-6, -17, -18 and -21 (SD-6, SD-17, SD-18 and SD-21)
for video and HDMI signal waveforms.
Video Switch
Video Amp
Y/C Mix
Video Amp
Video Amp
Q2027
NJU7312AM
VCL VDATA VSTB
Analog switch
MMP
S VIDEO OUTPUT
COMPOSITE VIDEO
COMPOSITE VIDEO
COMPONENT VIDEO

BLOCK DIAGRAMS-2
VIDEO SECTION
TX-SR876/SA876
A
1
2
3
4
5
BCDEFGH
CBL/SAT
VCR/DVR
AUX 1
DVD
GAME/TV
MONITOR OUT
VCR/DVR OUT
MONITOR OUT
VCR/DVR OUT
ZONE2 OUT
AUX 2
(FRONT)
CBL/SAT
VCR/DVR
AUX 1
DVD
GAME/TV
AUX 2
(FRONT)
C
YC
YC
Y
C
YC
YC
Y
CB1
CR1
Y2
CB2
CR2
CR3
Y3
CB3
Y1
IN 1
IN 2
IN 3
Y
CB
CR
C
CB
CR
Y
Y
CB CR
CVBS
Y
C
HDBSC
Y
CVBS
HDBPY
HDBPB HDBPB
24MHz MAX
HDMI BOARD
(NAHDM-9114, SD-15 to 19)
VIDEO BOARD (NAVD-9052, SD-6)
CY
CY
HDBCV
12MHz MAX
HDBSY
MONITOR OUT
C-DET
MAIN
MAIN
Z2
Z2
NOTE
MMP is short for MAIN MICROPROCESSOR.
S-DET
Z2 S-DET
LPF(12MHz)
LPF(12MHz)
LPF(12MHz)
LPF(6MHz)
Y
CB
CR
MAIN
Z2
Q2201
NJW1321
74HC4051
VMUT
Q2012,Q2013
NJM2587
Q2012,Q2013
NJM2587
Q2014
MM1512
BPF(140K-6MHz)
LPF(6MHz)
HDAPY
HDAPB
HDAPR
HDACV
HDASC
HDASY
Q2206
NJM2586A 100MHz -3dB
LPF(12MHz)
LPF(12MHz)
LPF(6MHz)
LPF(6MHz)
LPF(12MHz)
BPF(140K-6MHz)
6dB DRV
DRV
MMP
6dB DRV
6dB DRV
6dB DRV
DRV6dB
6dB DRV
.
6dB
.
6dB
.
.
6dB
6dB
6dB
.
.
6dB
6dB
6dB
6dB
6dB DRV
6dB DRV
75
75
75
75 75 75
6dB DRV
6dB DRV
6dB DRV
6dB DRV
6dB
MMP
MMP
MMP
S VIDEO INPUT
COMPOSITE VIDEO
COMPONENT VIDEO
<Note>
Refer to SCHEMATIC DIAGRAM-6, -17, -18 and -21 (SD-6, SD-17, SD-18 and SD-21)
for video and HDMI signal waveforms.
Video Switch
Video Amp
Y/C Mix
Video Amp
Video Amp
Q2027
NJU7312AM
VCL VDATA VSTB
Analog switch
MMP
S VIDEO OUTPUT
COMPOSITE VIDEO
COMPOSITE VIDEO
COMPONENT VIDEO

BLOCK DIAGRAMS-2
VIDEO SECTION
TX-SR876/SA876
A
1
2
3
4
5
BCDEFGH
CBL/SAT
VCR/DVR
AUX 1
DVD
GAME/TV
MONITOR OUT
VCR/DVR OUT
MONITOR OUT
VCR/DVR OUT
ZONE2 OUT
AUX 2
(FRONT)
CBL/SAT
VCR/DVR
AUX 1
DVD
GAME/TV
AUX 2
(FRONT)
C
YC
YC
Y
C
YC
YC
Y
CB1
CR1
Y2
CB2
CR2
CR3
Y3
CB3
Y1
IN 1
IN 2
IN 3
Y
CB
CR
C
CB
CR
Y
Y
CB CR
CVBS
Y
C
HDBSC
Y
CVBS
HDBPY
HDBPB HDBPB
24MHz MAX
HDMI BOARD
(NAHDM-9114, SD-15 to 19)
VIDEO BOARD (NAVD-9052, SD-6)
CY
CY
HDBCV
12MHz MAX
HDBSY
MONITOR OUT
C-DET
MAIN
MAIN
Z2
Z2
NOTE
MMP is short for MAIN MICROPROCESSOR.
S-DET
Z2 S-DET
LPF(12MHz)
LPF(12MHz)
LPF(12MHz)
LPF(6MHz)
Y
CB
CR
MAIN
Z2
Q2201
NJW1321
74HC4051
VMUT
Q2012,Q2013
NJM2587
Q2012,Q2013
NJM2587
Q2014
MM1512
BPF(140K-6MHz)
LPF(6MHz)
HDAPY
HDAPB
HDAPR
HDACV
HDASC
HDASY
Q2206
NJM2586A 100MHz -3dB
LPF(12MHz)
LPF(12MHz)
LPF(6MHz)
LPF(6MHz)
LPF(12MHz)
BPF(140K-6MHz)
6dB DRV
DRV
MMP
6dB DRV
6dB DRV
6dB DRV
DRV6dB
6dB DRV
.
6dB
.
6dB
.
.
6dB
6dB
6dB
.
.
6dB
6dB
6dB
6dB
6dB DRV
6dB DRV
75
75
75
75 75 75
6dB DRV
6dB DRV
6dB DRV
6dB DRV
6dB
MMP
MMP
MMP
S VIDEO INPUT
COMPOSITE VIDEO
COMPONENT VIDEO
<Note>
Refer to SCHEMATIC DIAGRAM-6, -17, -18 and -21 (SD-6, SD-17, SD-18 and SD-21)
for video and HDMI signal waveforms.
Video Switch
Video Amp
Y/C Mix
Video Amp
Video Amp
Q2027
NJU7312AM
VCL VDATA VSTB
Analog switch
MMP
S VIDEO OUTPUT
COMPOSITE VIDEO
COMPOSITE VIDEO
COMPONENT VIDEO

BLOCK DIAGRAMS-3
HDMI SECTION
TX-SR876/SA876TX-SR876/SA876
A
1
2
3
4
5
BCDEFGH
HDASY
HDAPR
HDAPB
HDAPY
HDACV
HDASC
SDA_VDVE
SCL_VDVE
INT_VD
VD_RST
OERX
VDOFF
HDBSY
HDBCV
HDBSC
HDBPR
HDBPB
HDBPY
SCL_VDVE
RST_VE
SDA_VDVE
OEDECTH
VSYNC
HSYNC
FIELD/DE
Y(P10-19)ITU656
CR(P20-29)
CB(P0-09)
LLC
RTC
OEDEC
SCL_RX
SDA_RX
RX_RST
MUTEOUT
INT_RX
SCDT
DDCSDA1
DDCSCL1
VD_SCK
VD_SI
VD_STB
VSYSRST
VD_SO
TXMUTE
RXMUTE
CEC_IO
VSYNC
VOCLK
HSYNC
FIELD/DE
HSYNC
VSYNC
CR(P0,9)
Y(0,9)
CB(0,9)
VICLK
VIFLD1
VIDEN1
27MHz
CR(O26-O35)
Y(O14-O23)
CB(O2-O11)
CR(O24-O35)
CB(O0-O11)
Y(O12-O23)
FIELD/DE
HSYNC
MCLK
Y
VSYNC
ICDK
CR
CB
SD0_3
LRCK_HDMI
BCK_HDMI
SCL_TX SDA_TX
RST_TX INT_TX
ODDC_SDA
ODDC_SCL
HPLGDET
HDMI_POW
OETX
OERXTH
CR
Y
CB
TXDB
RXDB
RESET
VSPREQ/BOOT
+3.3VHD
+3.3VHD
+3.3VHD
OE444
OEEN
PRODDC1
HPR_R1
VIDEO BOARD
NAVD-9052
Q8701
MPD70F3716GC
VIDEO MICROPROCESSOR
TO MAIN
MICROPROCESSOR
TO MAIN
MICROPROCESSOR
Q8405
SN74CB3Q3305
HDMI RECIEVER
Q8501
SiI9135
256 Mbit SDRAM X4
EVNODD
TO DSP BOARD
U8001
VX-50
IP conversion
Scaler & OSD
U8031
128 Mbit
FLASH MEMORY
HDMI INPUT
MULTIPLEX
Q8101
AD8196
VIDEO DECODER
R0X2
R0X1
R0X0
R0XC
PRESET
SCDT
INT
CSDA
CSCL MUTEOUT
MCLKOUT
MCLKIN
SCK
WS
SD0-7
SPDIF
Y(O12-O23)
CB(O0-O11)
CR(O24-035)
DE
HSYNC
VSYNC
ODCK
W1 VICLK1
U5 VICNTL0_VS
V3 VICNTL1_HS
/RESET
Y24
TXDB/DATA16
Y23
RXDB
Y21
TXDA
Y22
RXDA
Y26
TWIBDAT
U21
TWIBCLK
Y25
TWIADAT
V21
TWIACLK
U22
VOFIELD
VODAT(20,29)
VODAT(10,19)
VODAT(0,9)
V22
VOACT
W24
VOHS
W23
VOVS
W26
VOCLK
FLASH_CS(0,1) PCI_CBE(1.3) PCI_AD(0-31) GPIO(16,22)
W2 VICNTL3_DEN
V4 VICNTL2_FIELD
VIDAT(0,9)
VIDAT(10,19)
VIDAT(20,29)
AB11 REFCLK
DSCL0
DSDA0
R0PWR5V
R1X2
R1X1
R1X0
R1XC
DSCL1
DSDA1
R0PWR5V
Q8901
ADV7320
VIDEO ENCODER
1RTC
2LLC
3VSYNC
4HSYNC
5FIELD/DE
8Y(P10-19)
21 SDA 22 SCLK
33 RESETB
9
10
11
HDBSC
12
HDBCV
13
HDBSY
14
HDBPR
15
HDBPB
16
HDBPY
Q8800
ADV7401
71 HDASY
75 HDASC
73 HDACV
76_77 HDAPY
74 HDAPB
72 HDAPR
3INTREQ
19_81 SDA1_2 16_82 SCLK1_2
78 RESET
Y(P10-19)
CB(P0-P9)
CR(P20-29)
98
FIELD/DE
4
HC/CS
99
VS
36
LLC
15
SFL/SYNCOUT
11OE
11OE
D2+/-
D1+/-
D0+/-
CK+/-
CERemote
DDC CLK
DDC DATA
+5V
HP DET
D2+/-
D1+/-
D0+/-
CK+/-
CERemote
DDC CLK
DDC DATA
+5V
HP DET
HDMI IN 1 HDMI IN 2 HDMI IN 3 HDMI IN 4
D2+/-
D1+/-
D0+/-
CK+/-
CERemote
DDC CLK
DDC DATA
+5V
HP DET
D2+/-
D1+/-
D0+/-
CK+/-
CERemote
DDC CLK
DDC DATA
+5V
HP DET
1K
47K
Q8175
BR24L02FV-W
5SDA
6SCL
7WP
8VCC 1
A0
2
A1
3
A2
4
GND
0
47K
5.6K
5.6K 0
Q8174
47K
11OE
R8514
33
1
1OE
+3.3V
Q8401
Sil9134
IDCK
VSYNC
HSYNC
DE
D16-23
D0-7
D8-15
SD0-3
WS
SCK
MCLK
SPDIF
DSDCLK
DSDDA
INT
RESET#
CSCL CSDA
HPD
DSDA
DSCL
TXC+/-
TX0+/-
TX1+/-
TX2+/-
HDMI TRANSMITTER
Q8451
Sil9134
HDMI TRANSMITTER
4.7K
4.7K
+3.3V
47K
+3.3V
3
2
1
+13VS
Q8305
S-812C50BUC
1
SW
2
GND
3
NC
4
VO
5
VIN
2K
2K
4.7K
104Z
10K
4.7K
10K
10K
4.7K
104Z
10K
10K
10K
4.7K
AUX_D0
AUX_D1
AUX_D2
AUX_D3
IN/P_D0
IN/P_D1
IN/P_D2
IN/P_D3
AUX_C0
AUX_C1
AUX_C2
AUX_C3
IN/P_C0
IN/P_C1
IN/P_C2
IN/P_C3
AUX_B0
AUX_B1
AUX_B2
AUX_B3
IN/P_B0
IN/P_B1
IN/P_B2
IN/P_B3
AUX_A0
AUX_A1
AUX_A2
AUX_A3
IN/P_A0
IN/P_A1
IN/P_A2
IN/P_A3
I2C_SCL
I2C_SDA
RESET
AUX_COM1
AUX_COM0
AUX_COM3
AUX_COM2
AUX_COM1
AUX_COM0
AUX_COM3
AUX_COM2
ON0/OP0
ON1/OP1
ON2/OP2
ON3/OP3
ON0/OP0
ON1/OP1
ON2/OP2
ON3/OP3
TC74VCX162827FT X2
20 bit BUS BUFFER
TC74VCX162827FT X2
20 bit BUS BUFFER
TC74VCX162827FT X2
20 bit BUS BUFFER
TC74VCX162827FT X2
20 bit BUS BUFFER
16 bit BUS BUFFER
1
1OE
TC74VCX162244 X2 1
1OE
HDMI OUT
MAIN HDMI OUT
SUB
D2+/-
D1+/-
D0+/-
CK+/-
CERemote
DDC CLK
DDC DATA
+5V
HP DET
SN74CB3T3306DCT
11OE
21A
52A
4GND 6
2B
3
1B
7
2OE
8
VCC
DDCSDA2
DDCSCL2
+3.3VHD
PRODDC2
HPR_R2
1K
47K
Q8155
BR24L02FV-W
5SDA
6SCL
7WP
8VCC 1
A0
2
A1
3
A2
4
GND
0
47K
5.6K
5.6K 0
Q8154
47K
SN74CB3T3306DCT
11OE
21A
52A
4GND 6
2B
3
1B
7
2OE
8
VCC
DDCSDA3
DDCSCL3
+3.3VHD
PRODDC3
HPR_R3
1K
47K
Q8125
BR24L02FV-W
5SDA
6SCL
7WP
8VCC 1
A0
2
A1
3
A2
4
GND
0
47K
5.6K
5.6K 0
Q8124
47K
SN74CB3T3306DCT
11OE
21A
52A
4GND 6
2B
3
1B
7
2OE
8
VCC
DDCSDA4
DDCSCL4
+3.3VHD
PRODDC4
HPR_R4
1K
47K
Q8105
BR24L02FV-W
2 kbit EEPROM
5SDA
6SCL
7WP
8VCC 1
A0
2
A1
3
A2
4
GND
0
47K
5.6K
5.6K 0
Q8104
BUS Switch
47K
SN74CB3T3306DCT
11OE
21A
52A
4GND 6
2B
3
1B
7
2OE
8
VCC
Q8151
AD8196
I2C_SCL
I2C_SDA
RESET
16 bit BUS BUFFER
TC74VCX162244
HDMI BOARD
(NAHDM-9114, SD-15 to 19)
VIDEO BOARD
NAVD-9052
ODDC_SDA
ODDC_SCL
HPLGDET
HDMI_POW
SCL_TX
SDA_TX
RST_TX INT_TX
+3.3V
4.7K
4.7K
+3.3V
47K
+3.3V
3
2
1
+13VS
Q8355
NJM2860F3-05
1
CONT 2
GND
3
BYP
4
VO
5
VIN
2K
2K
IDCK
VSYNC
HSYNC
DE
D16-23
D0-7
D8-15
SD0-3
WS
SCK
MCLK
SPDIF
DSDCLK
DSDDA
INT
RESET# CSCL
CSDA
HPD
DSDA
DSCL
TXC+/-
TX0+/-
TX1+/-
TX2+/-
HDMI Transmitter
D2+/-
D1+/-
D0+/-
CK+/-
CERemote
DDC CLK
DDC DATA
+5V
HP DET
<Note>
Refer to SCHEMATIC DIAGRAM-17, -18 and -21
(SD-17, SD-18 and SD-21) for HDMI signal waveforms.
2 kbit EEPROM
2 kbit EEPROM
2 kbit EEPROM
BUS Switch
BUS Switch
BUS Switch
BUS Switch
HDMI INPUT
MULTIPLEX