Aiwa AV-DV95, Service Manual, Page: 11 / 36

12 11
BLOCK DIAGRAM
FM
AM
TUNER BLOCK
PLL
IC721
LC72131D
IF/DET MPX
IC771
LA1837
STEREO
TUNE/IFC
PLL-CE
TM-BASS
DATA(M)
CLK(M)
TUNER L
TUNER ON
TUNER ON
MAIN C.B
OSD/KEY CON
C.B
*2
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(1/2)
BU4052BCF
PHONO EQ
IC501(1/2)
NJM2068MD
MIC AMP
IC601(1/2)
NJM4558
B
FUNCTION
IC503
M62445AFP
L OUT
TUNER
PHONO
CD
L-CH
L-CH
L-CH
L-CH
AIN1L
AIN1R
AOUT1
AOUT2
AOUT3
AOUT4
AOUT5
AOUT6
RX3
SCLK
LRCK
SDOUT1
SDIN1
SDIN2
SDIN3
CLKOUT
RX4
RX2
RX1
AUX
VIDEO
DATA(M)
CLK(M)
STB(M)
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
AUDIO IN
VIDEO 3
VIDEO 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
Q904-907
J903 (2/2)
MONITOR
REC OUT
REC OUT SW
IC902(1/4,2/4)
BU4066BCF
REC OUT
CONTOROL
VIDEO SW
IC901
BA7625
AV-A AV-B
AV-A
AV-B
AV-A AV-B
A
AV-B
REC OUT-L
MIC MIX OUT-L
MIC MIX OUT-R
TAPE MONITOR
BBE1
BBE2
SW ON/OFF
AC3 KARAOKE
K-CON
K-CON
TAPE MONITOR SW
IC701(1/2)
TC4053BF
FL-CH
FL-CH
FR-CH
FL-CH
R-CH R-CH
SL-CH
SR-CH
C-CH
SW-CH
R-CH R-CH
STB(M) CLK(M)
DATA(M)
BBE
IC601
BA3880S
LEVEL
CONTROL
D601,602
DIGITAL
INPUT
VIDEO 2
J101
DIGITAL C.B
IC101
QP1F37R
(COAXIAL)
VIDEO 1
(OPTICAL)
(OPTICAL)
(OPTICAL)
VIDEO 3
IC104(1,2/6)
TC74HCU04
RESET
Q112,114
+5V REG
IC112
NJM7805FA
OSC
X101
OSC
X102
IC102
QP1F37R
IC103
QP1F37R
CD
SURROUND
SOUND
CODEC
A/D,D/A
CONV.
IC105
CS4226
IC201(1/2)
NJM2068MD
C42-CS TAPE-ATT C42-CDOUT CDIN SCK
DOLBY
DIGITAL
DTS
IC111
CS4926
128KB ROM
IC109
LH28F400BVE-TL85
ADDRESS GEN
IC106,107
74VHC574
C49-CS INTREQ C49-CDOUT C49-RESET CDIN SCK
AMP
IC203(1/2)
NJM2068MD
AMP
IC108(1/2)
NJM2068MD
AMP
IC110(2/2)
NJM2068MD
LPF
IC202(1/2)
NJM2068MD
IC208(1/2)
NJM2068MD
LPF
IC204(1/2)
NJM2068MD
LPF
IC205(2/2)
NJM2068MD
DSP/ECHO
IC301
M65849BFP
CLK(M) DATA(M) DSP-CE
SURROUND
MODE SELECT
IC207(2/3)
TC4053BF
FL-FR
IC206
NJM2068MD
IC101(1/2)
NJM4558MD
Q401
MUTE
MUTE
Q721
Q301
MUTE
SURROUND VOL
IC145(1/2)
M624396P
SURROUND
L AMP
CENTER
AMP
Q402-417,
420,421,440
Q303,305,307,309,
311,313,315,317
Q201
MUTE
Q203,205,207,209,
211,213,215,217
B
A
S292(1/2)
S291(1/2)
OFF ON OFF ON
VIDEO C.B (2/2)
PHONES
J603
SW401
FUNCTION
A
FRONT
SPEAKERS
4
Ω
/8
Ω
B
SURROUND
SPEAKER
8 Ω
CENTER
SPEAKER
4
Ω
/8
Ω
J715
L
R
J715
SUPER
WOOFER
SW102
MULTY
SW101
VOLUME
JOG2
JOG1
KEY
MATRIX
KEY
MATRIX
KEY
MATRIX
S101,
S102,103*2
S107-109
S111,113
S110,112,114-116
RE
KEY2
KEY1
LED DRIVER
IC101,102
BU4049BLF
DISPLAY
FL101
FRONT C.B
AC IN
PT002 D002-004
RY001
VS
PT C.B
SPKR C.B
*2
PT101
T.F
FIL1
FIL2
F101
+VH
-VH
+VL
+VL
-VL
-VL
D107
D108,109
D121
S101
Q110
RY102
RY101
4
Ω
8
Ω
VM
VM
REG
Q105*4
Q106-109
-VFL
REG
Q118
-VCC
REG
Q101,
Q102*4,
Q999*3
+VCC
REG
Q103
MUTE
Q112,113
2 TIMES
DET
Q117
Q114,115
RESET
Q116
-VFL
HOLD VM
+VCC
-VCC
FRONT/
SURROUND/
CENTER
AMP
FIL1
FIL2
SYNC DET
Q106
VD
POWER
AC
DET
RDS
IC851*6
BU1920FS
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
JR905*3
OSD
IC101
LC74763M
OSD/KEY CON C.B
*4
OSD-CE OSD-CLK OSD-DATA
MIC C.B
*2
Q101
Q102-104
FL-CH
FR-CH
SL
SL-CH
C-CH
SW-CH
CONT1
FL-FR
SL-CH
SW-CH
SR-CH
SR-CH
C-CH
FR-CH
FR-CH
TUNER
PHONO
CD
R-CH R-CH
R-CH
R-CH
R-CH
AUX
VIDEO
Q204
Q201,202
ATT
DSP SW
Q206
Q103,104
FR-CH
FR-CH
SELECT
IC209(1/3)
TC4053BF
SW ON/OFF
IC207(1/3)
TC4053BF
SURROUND
MODE SELECT
IC651(2/3)*2
TC4053BF
KEY
CONTROL
IC650
M65847AFP
Q651*2
CENTER VOL
IC146(1/2)
M624396P
S-WOOFER VOL
IC146(2/2)
M624396P CONT2
GRAPHIC
EQUALIZER
IC701
M62431AFP
GEQ C.B
STB-31 CLK(M)
DATA(M)
FL-CH
FR-CH FL-CH
FR-CH
FR-CH,
SL-CH,
SR-CH,
C-CH
FR-CH
FR-CH
FR-CH
FR-CH
FR-CH
FRONT
L AMP
µ
CON
IC103
µ
PD780028GF-027-3BA
Q111
B A
SR-CH
S292(2/2)
S291(2/2)
OFF ON OFF ON
A
B
L
R
J201*1
J901*2
J301*1
J902*2
Q001
VS
REG
Q002,003
RY281(1/2)*4
JW403*3
RY801(1/2)*4
JW424*3
RY481(1/2)*4
JW445*3
MUTE
Q104*4
FR-CH
HOLD
FR-CH
SR-CH
Q228
+REG
Q219,221,222
+REG
SR-CH
Q319,321,322
+REG
FR-CH
Q220,225,226
-REG
SR-CH
Q320,325,326
-REG
RY001
PT101
T.F
F102
F101
SW101
120V
|
220V-230V
|
240V
Q227
MUTE
SR-CH
Q327
MUTE
Q418
HOLD
DET
Q240
SR-CH
HOLD
HOLD
DET
Q340
Q111*2
OVERHEAT
DET
Q223,224
SR-CH
OVERHEAT
DET
Q323,324
HOLD
HOLD
DET
Q440
OVERHEAT
DET
Q414,415
S401,402
KEY
MATRIX
S403
MIC1
J601
MIC2
J602
DELAY AMP
IC601(2/2)
NJM4558
DELAY
MIX
Q601
STEREO
TUNE/IFC PLL-CE TM-BASS DATA(M) CLK(M) STB(M) STB-31 DSP-CE C42-CS TAPE-ATT C42-CDOUT CDIN SCK C49-CS INTREQ C49-CDOUT C49-RESET OSD-CE OSD-CLK OSD-DATA DSP SW
POWER
CONT1 CONT2 MUTE MIC
Q107,109
BIAS
HOLD
MIC
RESET
RESET
Q111
SCAN
Q113
MUTE
Q119
MUTE
Q119
P13 P14
P13,14,20-30
P1-35,G1-11
K-SCAN
PT002
*2
*1
NOTE
*1 : U, EZ model only
*2 : HC model ony
*3 : HC, EZ model only
*4 : U model only
*5 : U, HC model only
*6 : EZ model only
+
-