Block Diagram - Denon AVR-785 Service Manual

BLOCK DIAGRAM

DIGITAL OUT
OPTICAL
LC89057W-VF4
DIGITAL IN
COAXIAL
OPTICAL 1
INPUT
OPTICAL 2 Selector
X-TAL
12.288MHZ
TC9273-004
REC_SWITCHIG
ANALOG IN
BD3811K1
CD
AUX
DVD/VDP
TV/DBS
VCR
CDR/TAPE
ANALOG OUT
CDR/TAPE
VCR
FRONT IN
+ +
OPTICAL 3
LR
V.AUX L/R
V.AUX VIDEO L
MULTI OUT
R
E3 ONLY
ANALOG IN
TUNER
FL
FR
C
6CH_INPUT
SW
SL
SR
TUNER PART
FM
FM ANT
FRONTEND
AM ANT
LOOP FILTER
DSP
ROM
128k X 8
DIGITAL AUDIO DECODER
ADSP-21266
RAM
128k X 8
RDATA(21)
DAI_P20(94)
SLRCK(23)
DIR DAI_P11(78)
SBCK(22)
DAI_P12(79)
CLKIN
256fs
DeModulate
DATA
64fs
&
Selector X-TAL
Lock Detect fs
25MHZ
ADIN
XMCK
(24)
ASDATA
CONTROL PORT CLOCK
FROM AUDIO
MICOM DIRERR
CCLK DIGITAL
VOLUME DAC
FILTER
CLATCH
CIN
COUT
BSE
DIGITAL
VOLUME DAC
SELCLK FILTER
ERRMUTE SERIAL DATA
DACRST I/O PORT
DIGITAL
VOLUME DAC
FILTER
SDOUT
- +
DIGITAL
VOLUME DAC
FILTER
DIGITAL
ADC DIGITAL
FILTER DAC
VOLUME
FILTER
DIGITAL
DAC
DIGITAL VOLUME
FILTER
ADC
FILTER
AUDIO CODEC
AD1837 DIGITAL
VOLUME DAC
FILTER
-
DIGITAL
VOLUME DAC
FILTER
INPUT SELECTOR & VOLUME
DVD/VDP
TV/DBS
VCR
<AVC1590 ONLY>
VCR OUT
MONITOR OUT
DVD/VDP
TV/DBS
VCR
IF FILTER IF FILTER
FM & AM VCR OUT
IF AMP
IF IC MONITOR OUT
MPX IC
RMC IN
AM TUNING
RMC OUT
PLL CIRCUIT L.P.F
DVD/VDP
TV/DBS
MUTING
VCR
FROM u-COM
MONITOR OUT
AVC1590 / AVR1905 BLOCK DIAGRAM
RESET(121) RESONATOR
SPICS(122)
SPICLK(125)
FROM
MISO(126) MICOM
MOSI(127)
FLAG3(98)
FLAG2(97)
TUNER PLL
FLAG1(16)
DATA
FLAG0(15)
74LVX157MCT SELECTOR
SW F
MUTE
MIXING
+ - -
+ - -
+
+
+
+ - -
+
+
+6V
VIDEO INPUT
74HC4053 OSD 74HC4053
MUTE
VIDEO SWITCH
BA7626
74HC4053
Y/C MIX
S-VIDEO INPUT
NJM2274
Y/C
TC90A69F
SEPARATE
VIDEO SWITCH
BA7626*2 ( C, Y )
DATA IN (REMOCON) SEPARATE
Y/Cb/Cr
TA1270
CXA1511M
+5.6V(CPU)
COMPONENT,D-VIDEO VIDEO INPUT
Q0,Q1
Y Y
Cb Cb
VIDEO SWITCH
BA7625*1,BA7626*2
Cr Cr
( Y, B-Y, R-Y )
9
KEY_MATRIX
12MHz
FL DRIVER
LC75721NE
MICOM FLT DRIVER
CXP740096 DATA
+
DTS-ES/DD-EX/PL IIX
PART DATA
+
BD3811K1
+
ANA_IN
DSP_FL
EX_FL
ANA_IN
+
DSP_FR
EX_FR
CENTER
+
EX_SL
SL
EX_SR
+
SR
EX_C
+
SW
EX_SW
+
SBL
MULTI_L
2CH-VOLUME IC
BD3812F
SBR
MULTI_R
7806
VIDEO
VIDEO
7906
VIDEO -VKK
7809
MICOM, FLT DRV
RMC_IN/OUT
7805
DSP
+1.2V
DIR
+3.3V
ENCODER
FILAMENT AC
7805
CODEC
RELAY
+5V
7805
A/D POWER
OP AMP
7815
INPUT/VOL
TUNER
7812
INPUT/VOL
OP AMP
7915
MAIN +B
MAIN -B
AVR-1905/785 AVC-1590
16-ST-66GNK
FL DISPLAY
L
GND H/P OUT
R
+ +
FL
-
SPK A
+
FR
-
+ +
FL
-
SPK B
+
FR
-
+ +
CENTER
-
SPEAKER OUT
+ +
SURR L
-
+ +
SURR R
-
+ +
SBL
-
+ +
SBR
-
FR
PRE OUT
FL
MUTE SW
C
SR
SL
SBR
SBL
AC CORD
AC OUTLET