Video Processor Part - Onkyo HTR-990 Service Manual

A B
SCHEMATIC DIAGRAM/ BLOCK DIAGRAM-18
DSP AUDIO SECTION
PART-18
1
U0040 BAHDM-0684
2
3
4
5
C
DIR/DAC/MPU PART
PART-6
P8001B P8002B
GNDHD
D E
Model No.
TX-NR(A)579,TX-NR(A)609,HT-RC360,DTR-20.3,DTR-30.3,HT-R690,HT-R990
SCHEMATIC DIAGRAM (Part-18) DSP AUDIO SECTION
P8003B P8004
GNDHD
NET/USB PART
Control signal
Audio signal
PART-20
Video signal
DIGSDI
DIGSDO
DIGCLK
ARM_SOMI
ARM_SIMO
ARM_SCLK
USB0_OC_DET
ETH_INT
ACP_RST
ACP_CS
ETH_RESET
VMSDI
VMSDO
VMCLK
VMPU
VMRST
VMRDY
PART-14
POFF2
USB0_OC_DET
ETH_INT
DIRINT0
DACCS
DAC_CS2
TP40
DIGMUT
DAC_CS3
TP41
USB1_OC_DET
TP42
DACRST
USB1_VBUSEN
TP43
GND_ARM
44/48
TP44
TP45
TP46
ACP_RST TP34
ACP_CS
Z2DACMUT
TP48
TP49
DIR_RST
DIR_CS
TP50
ARM_CS
TP31
TP32
DACMUT
ARM_RDY
HDMIINT
TP35
TP33
ETH_RESET
TX-NR579/ TX-NA579/ HT-R690/ HT-R990
F G
PCMLR_TX
PCMLRCK_TX
PCMBCK_TX
AUX_V
GNDV_AUX
CEC
HDMI_FLR
HDMI_LRCK
HDMI_BCK
HDMI_MCK
HDMI_SPDIF
ARC_SPDIF
PCMSLR_DR1
HDMISPF_DL2
PCMCSW_DL1
PCMSBLR_DR2
VDD_MPU3.3V
TP96
BOOT3 R5 K2 R3208 270 ADSP_MCK
GPIO5_3/BOOT3 AHCLKX1
B4
R3212 22
GPIO2_15
L2 R3215 220 BCKDIR_HDMI
ACLKR1
R3218 22 C4 L3 R3219 220 LRCKDIR_HDMI
GPIO3_12 AFSR1
R3221 47 ADSP1_SD4
T3 ADSP1_SD0
AXR1_0
R3225 22 N12 R2 ADSP1_SD1
GPIO0_8 AXR1_1
R3227 47 T14 P2 R3226 ADSP1_SD2
GPIO0_9 AXR1_2
R14 P1 47x4 ADSP1_SD3
GPIO0_10 AXR1_3
R3229 47 P16 N2 R3230 220 SDOUTDIR_HDMIFLR
GPIO0_11 AXR1_4
P14 N1 R3232 220 HDMI_SLR
GPIO0_12 AXR1_5
N16 M4 RSVD0
TP36
GPIO0_13 AXR1_6
N14 M3 HDMI_SPDIF
R3236 47 R3237 220
GPIO0_14 AXR1_7
M16 M2 HDMI_CSW
R3239 220
GPIO0_15 AXR1_8
M1 R3241 220 HDMI_SBLR
AXR1_9
N3 R3242 220 LRCKDIR_HDMI
AXR1_10
R3244 47 T9 T4
GPIO1_0 AXR1_11
R3247 120 ADSP1_BCK
DSP2_IRQ N9 K3 L3203
MMZ1608Y601BT
GPIO1_3 ACLKX1
DSP2_RST T10 K4 R3251 47 ADSP1_LRCK
GPIO1_4 AFSX1
DSP2_CS R10
GPIO1_5
R3254 47 P10
GPIO1_6
R3256 #47 N10
GPIO1_7
T11
R3257 47 MMZ1608Y601BT
GPIO1_8
DSP2_BSY R11 B5 MCK_NET_256fs
R3260 39
GPIO1_9 AHCLKX0
DSP2_BTM N8 C5 L3209 R3262 220 BCK_NET
GPIO1_10 ACLKX0
R3264 47 P11 D5 R3265 39 LRCK_NET
GPIO1_11 AFSX0/BOOT10
R3267 47 N11 L4 R3268 39 AMUTE0
GPIO1_12 AMUTE0 TP37
DBG/AUDIO P8 P12 R3271 39 DATA_NET
GPIO1_13 AXR0_14
R3272 47 R8
GPIO1_14
DGSEL1 R12
GPIO1_15
A5 R3274 39 NET_SPDIF
TP38
AXR2_0
DGSEL2 T12
GPIO2_0
R3276 L16
47
GPIO2_1
N7
R3277 22
GPIO2_2
M14
R3278 47
GPIO2_9
DIG/NETUSB L1
GPIO4_11
R3280 47 D4
AMUTE1/GPIO4_14
VDD_MPU3.3V
H
VIDEO
PROCESSOR
PART-17
HDMI PART
PART-16
Q3201
TC74VHC157FT L3201
INPSEL R3201 330 1 16 BLM18PG181SN1D
SELECT VCC
HDMI_LRCK 2 15
R3202 330
1A ST
ADSP1_LRCK R3206 330 3 14
1B 4A
PCMLRCK_TX R3207 47 4 13
1Y 4B
HDMI_BCK 330 5 12
R3209 2A 4Y
ADSP1_BCK 330 6 11 R3216 330 HDMI_FLR
R3210
2B 3A
PCMBCK_TX 47 7 10 330 ADSP1_SD0
R3211 R3213
2Y 3B
8 9 47 PCMLR_TX
R3214
GND 3Y
GNDHD