Block Diagram - Aiwa AV-DV95 Service Manual

BLOCK DIAGRAM

MIC C.B
*2
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 DATA(M)
PHONO EQ M62445AFP
R-CH
CLK(M)
IC501(1/2) TUNER ON
J502 STB(M)
NJM2068MD
FL-CH
TUNER
L OUT
FR-CH
PHONO
CD
R OUT
R-CH
CD L-CH FL-CH
VR IN (L)
FR-CH
AUX
VR IN (R)
AUX VIDEO
K-CON
R-CH FUNCTION
K-CON
IC502(1/2)
TUNER
AC3 KARAOKE
BU4052BCF
J901(1/2)
PHONO
SW ON/OFF
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
J905 (1/2) Q903
VIDEO 2
LD/TV OUT
Q901
J903 (1/2)
JR905*3
MONITOR
VIDEO OUT
OSD/KEY CON C.B
*4
Q102-104
OSD
Q101
IC101
LC74763M
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
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
DIGITAL C.B
IC201(1/2) LPF
NJM2068MD IC202(1/2)
L-CH
NJM2068MD
AIN1L
FL-CH
Q204
AOUT1
DIGITAL
ATT
INPUT
AOUT2 FR-CH
R-CH R-CH AIN1R
SL-CH
VIDEO 1 IC101
AOUT3
RX3
QP1F37R
(OPTICAL)
LPF
IC104(1,2/6) AOUT4 SR-CH
IC204(1/2)
J101 TC74HCU04
NJM2068MD
AOUT5 C-CH
VIDEO 2 RX4
(COAXIAL) SW-CH
AOUT6
LPF
VIDEO 3
IC102
SW ON/OFF
RX2 IC205(2/2)
QP1F37R
(OPTICAL)
NJM2068MD IC207(1/3)
TC4053BF
CD IC103
RX1 OSC
QP1F37R
(OPTICAL)
X102
OSC
SURROUND
X101
SOUND SCLK
CODEC LRCK DOLBY
RESET
A/D,D/A SDOUT1 DIGITAL
Q112,114
SDIN1
CONV. DTS
Q201,202
SDIN2
IC105 IC111
SDIN3
+5V REG CS4226 CS4926
IC112 CLKOUT
NJM7805FA
Q103,104
11
RE
JOG1
µCON
JOG2
IC103
µPD780028GF-027-3BA
KEY2
KEY1
SYNC DET
Q113
K-SCAN
SCAN
Q119
MUTE
OSD/KEY CON
C.B
*2
Q651*2
KEY
CONTROL
IC650
M65847AFP
SURROUND
MODE SELECT
IC651(2/3)*2
TC4053BF
SELECT
SURROUND
FL-FR
IC209(1/3)
AMP MODE SELECT
IC206
TC4053BF Q111*2
IC203(1/2) IC207(2/3)
DSP/ECHO NJM2068MD
TC4053BF
NJM2068MD
IC301
FL-CH
+ FL-FR
M65849BFP
FR-CH
-
SL
FR-CH
FR-CH
SR-CH
IC208(1/2)
NJM2068MD
SL-CH
AMP
C-CH
IC108(1/2)
NJM2068MD
SW-CH
AMP
IC110(2/2) SR-CH
NJM2068MD
ADDRESS GEN
IC106,107
74VHC574
128KB ROM
IC109
LH28F400BVE-TL85
VM
+VCC
-VCC
-VCC
REG
Q101,
Q102*4,
Q999*3
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*2
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 L AMP
Q201
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
IC146(1/2) SR-CH
Q402-417,
M624396P
420,421,440
C-CH CENTER
AMP
Q401
MUTE
Q418
MUTE
Q440
HOLD
HOLD
DET Q414,415
OVERHEAT
DET
Q206
S-WOOFER VOL
CONT2 IC146(2/2)
IC101(1/2)
M624396P
NJM4558MD
SW-CH
Q721
MUTE
Q104*4
POWER
RY101
Q111
4Ω
RY102
S101 VM
Q110
8Ω
D121
+VH
FRONT/
SURROUND/
-VH
CENTER
+VL
AMP
-VL
Q105*4 FIL1
Q103 Q106-109 FIL2
D107
+VCC VM +VL
REG REG
VS
-VL
Q114,115 D108,109
Q116
AC
RESET MUTE
DET
Q117
Q112,113
2 TIMES
DET
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
12
J603
FR-CH
PHONES
SPKR C.B
*2
JW403*3
J201*1
J901*2
S291(1/2)
S292(1/2)
A
L
ON OFF ON OFF
B A
B
RY281(1/2)*4 FRONT
SPEAKERS
FR-CH 4Ω/8Ω
A
R
ON OFF ON OFF
B A
B
S292(2/2) S291(2/2)
JW424*3
J301*1
J902*2
L
RY801(1/2)*4
SURROUND
SPEAKER
8Ω
SR-CH
R
JW445*3
CENTER
SPEAKER
4Ω/8Ω
RY481(1/2)*4
J715 J715
SUPER
WOOFER
PT C.B
RY001 *1
Q001
PT101
F101
AC IN
T.F
D002-004 PT002
Q002,003
VS
REG
RY001
*2
F102
PT101
F101
T.F
SW101
120V
PT002
|
220V-230V
|
240V