Block Diagram - Denon AVR-1804 Service Manual

BLOCK DIAGRAM

DIR
DIGITAL OUT
LC89057W-VF4
64fs
RBCK(17)
OPTICAL_1
fs RLRCK(20)
OPTICAL_2
DEMODULATION
OPTICAL_3 DATA
256fs RMCK(16)
INPUT
&
OPTICAL_4
Selector Lock Detect Selector
RDATA(21)
COAXIAL
XMCK
CCLK
DIGITAL IN TC9274-011 TC9273-004
REC_SWITCHIG INPUT_SWITCHIG CLATCH
ANALOG IN
FROM MICOM CIN
COUT
PHONO
CD
CDR/TAPE
DVD/VDP
TV/DBS
VCR1
VCR2
V.AUX
TUNER
(JAPAN ONLY)
ADC
ANALOG OUT
CDR/TAPE OUT
VCR1 OUT
VCR2 OUT ADC
+
MULTI OUT
+
HPF
+
L/R SUM
BUFF
L
- -
R
E3 ONLY
EX_FL
EX_FR
EX_SL
6CH_INPUT
EX_SR
EX_C
EX_SW
IF FILTER IF FILTER
FM
FM ANT
FRONTEND
IF AMP
AM ANT
AM TUNING
LOOP FILTER PLL CIRCUIT
FROM u-COM
Y
CB
CR
TV/DBS
LINE_1
LINE_2
LINE_3
Y
CB
DVD/VDP CR
LINE_1
LINE_2
LINE_3
D-VIDEO INPUT
JAPAN ONLY
ROM RAM
512K X 8 64K X 16
BUFFER
74LV244
64fs
TCLK2(47)
64fs TCLK1(65)
RCLK1(68)
DIGITAL AUDIO DECODER
fs
RFS1(69)
MELODY 32
fs
PF6(41)
256fs RCLK0(61)
TCLK0(57)
DR1(67)
DR0(60)
FL/FR/C/SL/SR/SW/SB
CONTROL PORT CLOCK
+
VOLUME
SERIAL DATA
DIGITAL
I/O PORT
DAC
FILTER
VOLUME
+
+
VOLUME
DIGITAL
DAC
FILTER
VOLUME
+
DIGITAL
FILTER
+
VOLUME
DIGITAL
DAC
FILTER
VOLUME
+
DIGITAL
FILTER
VOLUME
+
DIGITAL
DAC
FILTER
MUTE
CODEC VOLUME
AD1837
CXA1511M
IN
RMC IN/OUT
RMC GND
DVD/VDP
TV/DBS
COMP-VIDEO
INPUT VIDEO SWITCH
BA7626
FM & AM
C-VIDEO INPUT
VIDEO SWITCH BA7626
IF IC
DVD/VDP
TV/DBS
VCR-1
VCR-2
MPX IC
V.AUX
L.P.F
VIDEO SWITCH BA7626
MUTING
INH
VCR1 OUT
VCR2 OUT
S-VIDEO INPUT VIDEO SWITCH BA7626
DVD/VDP
TV/DBS
VCR-1
VCR-2 VIDEO SWITCH BA7626
V.AUX
INH
VCR-1 OUT
VCR-2 OUT
D-VIDEO OUTPUT
RESONATOR KEY_MATRIX
12MHz
TUNER PLL u-COM FLT DRIVER
DATA CXP740096 DATA
DIGITAL AUDIO
CONTROL DATA
AUDIO SWITCHING
TC9164
ANA_IN
ANA_HFP
DSP_FL
- -
EX_FL
ANA_IN
ANA_HFP
-
DSP_FR
-
EX_FR
SL
EX_SL
SR
EX_SR
SW F SUM CENTER
EX_C
SW
- -
EX_SW
+5.6V
OUT
RMC DATA
+5.6V (Y,CB,CR SWITCHING SAME)
IC1008
C-VIDEO DET
1
15
IC1001
2
Q1017
2 IC606
3
15 13 4
LC74781 IC1008
15
1 OSD 5
Q1022
IC1007 L601
NJM2509V M5-MT
Y/C Y/C
MIX ÝÂ×î
S-VIDEO DET
Q1012
C Y C Y
1
IC1004
15
2
Y
+5V
IC1001
C
5 3 13 12 13 12
IC1001 IC1008
IC1004
4 14 14
Q653
Q656 Q1014
MONITOR OUT MONITOR OUT
5
FL DISPLAY
FL DRIVER
LC75721NE 16-ST-42GNK
TONE
POWER AMP
TC9184
VOLUME
TC9482
TONE DFT CON.
+
KIC9459
MUTE
-36V
FLT
AVR
MAIN +B
RELAY B+
MAIN -B
FUNCTION,OP AMP
TUNER
7805 7815
+5V (A/D POWER)
FUNCTION,OP AMP
7915
+5V (DSP PART PWR)
7805
CODEC
VIDEO POWER
7805
LOW DROP
DSP
2.5V
FILAMENT AC
DIR
3.3V
DSP u-COM
7805
FL DRIVER
AVR-1804/884 / AVC-1880 5
SPEAKER OUT
+
FRONT A L
-
+
FRONT A R
-
SPK A
+ +
FRONT B L
-
+ +
FRONT B R
-
SPK B
+
+
SURR L
-
+ +
SURR R
-
+ +
CENTER
-
H/P OUT
SW
PRE OUT
+ +
-
SURR BACK/MULTI
+
-
RELAY