Aiwa AV-DV75 HC User manual

STEREO AV RECEIVER
AV-DV75
S/M Code No. 09-994-324-8N2
EZ
SERVICE MANUAL
DATA

1211
BLOCK DIAGRAM
TUNER C.B
FM
MW
LW
TUNER BLOCK
PLL
IC721
LC72131D
IF/DET MPX
IC771
LA1837
ST
TUNE/IFC
PLL-CE
TM-BASS
DATA
CLK
TUNER L
MAIN C.B
PHONO
J501 (1/2)
CD
AUX
J502
J901 (1/2)
VIDEO 1
DVD/MD IN
J902 (1/2)
VIDEO 2
LD/TV IN
FUNCTION
IC502
BU4052BCF
PHONO EQ
IC501
NJM2068MD
B
FUNCTION
IC503
M62445AFP
L OUT
TUNER
PHONO
CD
AUX
VIDEO
DATA
CLK
LATCH(STB)
R OUT
VR IN (L)
VR IN (R)
J501 (2/2)
TAPE
MONITOR
J901 (2/2)
VIDEO 1
DVD/MD IN
J902 (2/2)
VIDEO 2
LD/TV IN
J501
VIDEO 3
VIDEO/AUDIO
IN
VIDEO C.B (1/2)
J904 (1/2)
VIDEO 1
DVD OUT
J905 (1/2)
VIDEO 2
LD/TV OUT
J904 (2/2)
VIDEO 1
DVD/MD OUT
J905 (2/2)
VIDEO 2
LD/TV OUT
Q902
Q903
J903 (1/2)
MONITOR
VIDEO OUT
Q901
J903 (2/2)
MONITOR
REC OUT
REC OUT SW
IC902
BU4066BCF
VIDEO SW
IC901
BA7625
AV-A AV-B
AV-A
AV-B
AV-A AV-B
A
AV-B
REC OUT
MIC OUT
TAPE
MONITOR SW
IC701
TC4053BF
GRAPHIC
EQUALIZER
IC701
M62431AFP
GEQ C.B
STB 31
CLK
DATA
L IN L OUT
BBE
IC601
BA3880S
DIGITAL
INPUT
VIDEO 2
J101
DOLBY DIGITAL C.B
IC115
GP1F37R
(COAXIAL)
VIDEO 1
(OPTICAL)
IC122
GP1F37R
VIDEO 3
IC118
TC74HCU04
SURROUND
SOUND CODEC
A/D,D/A CONV.
IC102
CS4226
IC104
NJM2068MD
L OUT
ADO/CS
DOLBY AC-3
PROLOGIC
DECODER
IC101
YSS248
CLOCK
SW
IC121
TC74HC00AF
X101
10MHz
PORT1~5 5
SD0~2 3
SDI0
OVL/ERR
SDA SCK
SI
CS
SCK
SO SI
A
B
C
IC105(1/2)
NJM2068MD
IC107(1/2)
NJM2068MD
SUB WOOFER
ON/OFF SW
IC108
TC4053BF
ABC
CENTER SW
IC109
TC4053BF
ABC
IC107(2/2)
NJM2068MD
Q401~403
IC111
NJM2068MD
IC113
NJM2068MD
IC112(2/2)
NJM2068MD
IC110
NJM2068MD
IC112(1/2)
NJM2068MD
DSP/
ECHO
IC117
M65849BFP
CLK
DATA
DSP-CE
SURROUND
MODE SELECT
IC119
TC4053BF
R-CH
IC120
NJM2068MD
IC101
NJM4558MD
Q401
MUTE
MUTE
Q721
CENTER/
S-WOOFER VOL
IC146
M624396P
Q301
MUTE
MUTE
Q304
SURROUND VOL
IC145
M624396P
SURROUND
AMP
CENTER
AMP
Q402~417
Q420,421,440
Q303~326
Q330~333,340
Q201
MUTE
MUTE
Q202
FRONT
AMP
Q203~228
Q230~233,240
R-CH BA
S292 S291
OFF
ON
VIDEO C.B (2/2)
PHONES
J603
SW401
FUNCTION
LFRONT
SPEAKER A
4Ω/8Ω
R
SURROUND
SPEAKER
8Ω
J301
CENTER
SPEAKER
4Ω/8Ω
J715
FRONT
SPEAKER B
4Ω/8Ω
J201
L
R
SUPER
WOOFER
µCON
IC103
µPD780028GF-027-3BA
ST
TUNE/IFC
PLL-CE
T-BASE
DATA
CLK
STB
STB-31
ADO/CS
SDA
CS
SCK
SI
SO
DSP-CE
SW102
MULTY
SW101
VOLUME
RE
JOG2
JOG1
HP MUTE
KEY
MATRIX
S101,107~109
S111,113,401,402
KEY
MATRIX
S110,112,114~116
S403
RE
KEY2
KEY1
LED
DRIVER
IC101,102
BU4049BLF
FL101
(DISPLAY)
FRONT C.B
AC IN
PT002D002-004
RY001
VS
POWER C.B
PT101
T.F
FIL1
FIL2
F101
+VH
-VH
+VL
-VL
D107
D121
S101
RY102
RY101
40HM
80HM
VM
REG
Q107~109
15W
CUTOFF
Q105,106
-VFL
REG
Q118
-VCC
REG
Q102
-VCC
CONT
Q101
+VCC
REG
Q103
DC
DET
Q112,113
2 TIMES
DET
Q117
Q114,115
RESET
Q116
-VFL
HOLD
VM
+VCC
-VCC
FRONT/
SURROUND/
CENTER AMP
FRONT/
SURROUND/
CENTER AMP
IC106
NJM2068MD
DC DET
IC106
POWER SYNC DET
IC106
VD
POWER
AC
DET
IC851
BU1920FS
RDS

1615
SCHEMATIC DIAGRAM-1 (MAIN 1/2)

1817
1234567
A
B
C
D
E
F
G
H
I
J
K
WIRING-2 (AC/PT) SCHEMATIC DIAGRAM-2 (AC/PT)

2019
SCHEMATIC DIAGRAM-3 (MAIN 2/2)

2423
SCHEMATIC DIAGRAM-4 (FRONT)

2827
SCHEMATIC DIAGRAM-5 (TUNER)
TU +B
SW
TO MAIN C.B CN506
TO MAIN C.B CN503
TU +B
SW
RF AMP
LW VTADJ
LW TRACKING ADJ.
MW
TRACKING
ADJ.
,
J802
ANTENNA
MW/LW
LOOP
FM 75Ω
(COAXIAL)
MW IF ADJ.
DC BALANCE/MONO DISTORTIONADJ.
TUNER C.B
RDS
DATA
AMP
FM/AM
IF DET./MPX/
DECODER
BAND SWITCH
BAND
SWITCH BAND
SWITCH

3231
SCHEMATIC DIAGRAM-6 (DOLBY)

3635
SCHEMATIC DIAGRAM-7 (HP/VIDEO/GEQ)