Block Diagram - Aiwa AV-DV75 Service Manual

BLOCK DIAGRAM

E TUNER C.B
A MAIN C.B
TUNER BLOCK
ST
PLL
TUNE/IFC
IC721
FM
PLL-CE
LC72131D
TM-BASS
IF/DET MPX
IC771
AM
DATA
LA1837
CLK
TUNER L
L OUT
FUNCTION
IC503
PHONO EQ
M62445AFP
R OUT
IC501
J501 (1/2) NJM2068MD TUNER
PHONO PHONO
CD VR IN (L)
AUX
VIDEO
CD VR IN (R)
J502
AUX
FUNCTION
IC502
J901 (1/2)
BU4052BCF
VIDEO 1
DVD/MD IN
MIC OUT
A
J902 (1/2)
B
VIDEO 2
LD/TV IN
J501 (2/2)
TAPE
MONITOR
VIDEO SW
IC901
J901 (2/2) BA7625
VIDEO 1
DVD/MD IN
J902 (2/2)
VIDEO 2
LD/TV IN
(OPTICAL)
C H/P C.B (1/2)
J501
VIDEO 3
(COAXIAL)
VIDEO/AUDIO
IN
J904 (1/2)
Q902
VIDEO 1
DVD OUT
J905 (1/2)
Q903
VIDEO 2
LD/TV OUT
J903 (1/2)
Q901
MONITOR
VIDEO OUT
REC OUT SW
IC902
J904 (2/2) BU4066BCF
VIDEO 1
DVD/MD OUT
J905 (2/2)
VIDEO 2
AV-A
LD/TV OUT
AV-B
J903 (2/2)
MONITOR
REC OUT
GRAPHIC
BBE
L IN L OUT
EQUALIZER
IC601
IC701
BA3880S
M62431AFP
TAPE
MONITOR SW
IC701
I GEQ C.B
TC4053BF
IC104
NJM2068MD
DIGITAL
INPUT
SURROUND
SOUND CODEC
VIDEO 1
IC115
A/D,D/A CONV.
GP1F37R
IC102
IC118
CS4226
J101 TC74HCU04
VIDEO 2
IC122
IC121
VIDEO 3
GP1F37R TC74HC00AF DOLBY AC-3
PROLOGIC
CLOCK DECODER
SW
IC101
YSS248
X101
10MHz
PORT1~5
5
SD0~2
3
SDI0 A
OVL/ERR B
C
Q401~403
G AC-3 C.B
11
SUB WOOFER
ON/OFF SW
IC117
IC108 IC120
M65849BFP
IC105(1/2) IC110
TC4053BF NJM2068MD
NJM2068MD NJM2068MD
DSP/
ECHO
IC107(1/2) IC112(1/2)
NJM2068MD NJM2068MD
R-CH
A B C
IC107(2/2)
NJM2068MD
CENTER SW
IC109
IC112(2/2)
TC4053BF
NJM2068MD
IC106
NJM2068MD
IC113
NJM2068MD
A B C
IC111
NJM2068MD
Q118
-VFL
-VFL
REG
Q116
HOLD
VM
Q103
+VCC
+VCC
REG
Q101
-VCC
CONT
-VCC
ST
TUNE/IFC
PLL-CE
T-BASE
µCON
DATA
IC103
CLK
µPD780028GF-027-3BA
STB
STB-31
ADO/CS
SDA
CS
SCK
SI
SO
DSP-CE
IC106 IC106
POWER
SYNC DET
VD
Q203~228
Q230~233,240
Q201
MUTE
FRONT
AMP
R-CH
Q202
MUTE
SURROUND
SURROUND VOL
MODE SELECT
IC119 IC145 Q303~326
TC4053BF M624396P Q330~333,340
Q301
MUTE
SURROUND
AMP
Q304
MUTE
CENTER/ Q402~417
S-WOOFER VOL Q420,421,440
IC146
CENTER
M624396P
AMP
Q401
MUTE
IC101
NJM4558MD
Q721
MUTE
DC DET
Q104
POWER
SW
S101
RY101
40HM
80HM RY102
FRONT/
SURROUND/
CENTER AMP
FRONT/
SURROUND/
D121
CENTER AMP
+VH
Q114,115
-VH
AC
DET
Q117
2 TIMES
DET
Q112,113
DC
RESET
DET
FIL1
Q105,106 Q107~109
D107
+VL
15W VM
FIL2
CUTOFF REG
Q102
-VL
-VCC
REG
12
B FRONT C.B
FL101
(DISPLAY)
IC101,102
BU4049BLF
LED
DRIVER
S110,112,114~116
S403
KEY1
KEY
MATRIX
S101,107~109
S111,113,401,402
KEY2 KEY
MATRIX
RE RE SW101
VOLUME
JOG2
JOG1
HP MUTE SW102
MULTY
C H/P C.B (2/2)
SW401
FUNCTION
J603
PHONES
S292 S291
RY281
B A
OFF
FRONT
L
SPEAKER A
4Ω/8Ω
ON
J201
FRONT
R
SPEAKER B
4Ω/8Ω
L
SURROUND
SPEAKER
8Ω
R
RY801
J301
CENTER
SPEAKER
RY481 4Ω/8Ω
J715
SUPER
WOOFER
PT101
J POWER C.B
T.F
D002-004 PT002
VS
F101
AC IN
RY001