Aiwa AV-DV75 HC Service Manual page 11

BLOCK DIAGRAM
MIC C.B
J601
DELAY AMP
MIC1
MIC AMP
IC601(2/2)
IC601(1/2)
Q601
NJM4558
NJM4558
J602 DELAY
MIX
MIC2
TUNER BLOCK
STEREO
TUNE/IFC
PLL IF/DET MPX
TM-BASS
IC721 IC771
FM PLL-CE
LC72131D LA1837
DATA(M)
CLK(M)
RDS
TUNER ON
AM
IC851*6
TUNER L
BU1920FS
R-CH
MAIN C.B
J501(1/2)
FUNCTION
IC503
PHONO
PHONO EQ M62445AFP
R-CH
IC501(1/2) TUNER ON
J502
NJM2068MD
TUNER
L OUT
PHONO
CD
R OUT
R-CH
CD L-CH
VR IN (L)
AUX
VR IN (R)
AUX VIDEO
K-CON
R-CH FUNCTION
K-CON
IC502(1/2)
TUNER
AC3 KARAOKE
BU4052BCF
J901(1/2)
PHONO
L-CH
R-CH CD R-CH
BBE2
VIDEO 1
AUX
BBE1
DVD/MD IN
R-CH
VIDEO
TAPE MONITOR
A
MIC MIX OUT-L
B
J902(1/2)
MIC MIX OUT-R
VIDEO 2
LD/TV IN
R-CH
J501(2/2)
TAPE
MONITOR
R-CH
J901(2/2)
VIDEO 1
DVD/MD IN
J902(2/2)
VIDEO 2
LD/TV IN
VIDEO SW
J501
IC901
VIDEO 3 BA7625
AUDIO IN
R-CH
VIDEO 3
VIDEO IN
VIDEO C.B (1/2)
REC OUT SW
IC902(1/4,2/4)
BU4066BCF
J904 (2/2)
VIDEO 1
DVD/MD OUT R-CH
AV-A
REC OUT
AV-B
J905 (2/2) CONTOROL
Q904-907
VIDEO 2
LD/TV OUT
R-CH
R-CH
J903 (2/2)
MONITOR
REC OUT
R-CH
J904 (1/2) Q902
VIDEO 1
DVD OUT
Q903
J905 (1/2)
VIDEO 2
LD/TV OUT
J903 (1/2) Q901
JR905
MONITOR
VIDEO OUT
FRONT C.B
Q111
RESET
HOLD
RESET
LED DRIVER
IC101,102
MIC
BU4049BLF
FIL1 DISPLAY
P1-35,G1-11
FIL2 FL101
Q107,109 BIAS
Q106
POWER
VD Q119
STEREO
MUTE
DATA(M)
CLK(M)
STB(M)
FL-CH
FR-CH
FL-CH
FR-CH
LEVEL
R-CH
CONTROL
D601,602
R-CH
R-CH
L-CH
BBE
IC601
BA3880S
TAPE MONITOR SW
IC701(1/2)
R-CH R-CH
TC4053BF
IC104
NJM2068MD
DIGITAL
INPUT
SURROUND
SOUND CODEC
VIDEO 1
IC115
A/D,D/A CONV.
(OPTICAL) GP1F37R
IC102
IC118 CS4226
J101 TC74HCU04
VIDEO 2
(COAXIAL)
IC122
IC121
VIDEO 3
GP1F37R
TC74HC00AF DOLBY AC-3
PROLOGIC
CLOCK DECODER
SW
IC101
YSS248
X101
10MHz
PORT1~5
5
SD0~2
3
A
SDI0
B
OVL/ERR
C
Q401~403
DOLBY DIGITAL C.B
-VL
11
RE
JOG1
µCON
JOG2
IC103
µPD780028GF-027-3BA
KEY2
KEY1
SYNC DET
Q113
K-SCAN
SCAN
Q119
MUTE
OSD/KEY CON
C.B
Q651
KEY
CONTROL
IC650
M65847AFP
SURROUND
MODE SELECT
IC651(2/3)
TC4053BF
IC116
IC114
F-L (1/2)
R-CH
SUB WOOFER IC114
F-R
ON/OFF SW (2/2)
IC108
IC105(1/2)
TC4053BF
NJM2068MD
SURROUND
SELECT MODE SELECT
IC117
IC110
SW
M65849BFP
NJM2068MD
DSP/
ECHO
IC107(1/2) IC112(1/2)
NJM2068MD IC120
NJM2068MD
NJM2068MD
A B C
IC107(2/2) R-CH
NJM2068MD
CENTER SW
IC109
IC112(2/2)
TC4053BF
NJM2068MD
IC106
NJM2068MD
IC113
NJM2068MD
A B C
IC111
NJM2068MD
VM
+VCC
-VCC
-VCC
REG
Q101,
Q102,
Q999
Q118
-VFL
-VFL
REG
VIDEO C.B (2/2)
SW101
VOLUME
SW401
FUNCTION
SW102
MULTY
S110,112,114-116 S403
KEY KEY
MATRIX MATRIX
S101, S401,402
S102,103
KEY KEY
S107-109 MATRIX MATRIX
S111,113
GEQ C.B
Q203,205,207,209,
211,213,215,217
FL-CH FL-CH FRONT
GRAPHIC
FR-CH Q201 L AMP
EQUALIZER
FR-CH FR-CH
MUTE
IC701
M62431AFP
FR-CH,
Q228 SL-CH,
+REG SR-CH,
C-CH
Q219,221,222
+REG FR-CH
Q227
MUTE
Q220,225,226
-REG FR-CH
Q240 FR-CH
HOLD
HOLD
FR-CH
DET
Q223,224
OVERHEAT
FR-CH
SURROUND VOL DET
IC145(1/2)
Q303,305,307,309,
M624396P
311,313,315,317
SL-CH SURROUND
L AMP
Q301
MUTE
CONT1
Q327
MUTE
Q319,321,322
+REG SR-CH
SR-CH
Q320,325,326
-REG SR-CH
Q340
HOLD
HOLD
SR-CH
Q323,324
DET
OVERHEAT
SR-CH
DET
CENTER VOL
SR-CH
IC146(1/2)
Q402-417,
M624396P
420,421,440
IC119
TC4053BF
CENTER
AMP
Q401
MUTE
Q418
MUTE
Q440
HOLD
HOLD
DET Q414,415
OVERHEAT
DET
C-CH S-WOOFER VOL
CONT2 IC146(2/2)
IC101(1/2)
M624396P
NJM4558MD
SW-CH
Q721
MUTE
POWER
RY101
Q111
4Ω
RY102
S101 VM
Q110
8Ω
D121
+VH
FRONT/
SURROUND/
-VH
CENTER
+VL
AMP
-VL
Q105
Q103 Q106-109
D107
+VL
+VCC VM
REG
REG
-VL
Q114,115
D108,109
Q116
AC
RESET MUTE
DET
Q117
Q112,113
2 TIMES
DET
12
FR-CH J603
PHONES
SPKR C.B
J201
JW403
J901
S291(1/2)
S292(1/2)
A
L
ON OFF ON OFF
B A
B
FRONT
SPEAKERS
4Ω/8Ω
FR-CH
A
R
ON OFF ON OFF
A
B
B
S292(2/2) S291(2/2)
J301
J902
JW424
L
SURROUND
SPEAKER
8Ω
SR-CH
R
JW445
CENTER
SPEAKER
4Ω/8Ω
J715
J715
SUPER
WOOFER
PT C.B
RY001
Q001
AC IN
PT101
F102
F101
T.F
SW101
120V
|
FIL1
220V-230V
FIL2 |
240V
D002-004 PT002
Q002,003
VS VS
REG