+B
IC303A 1/7
IC303E
FRONT MIX IC302B 3/5
IC316
IC501 5/3 7/1
TUNER (L/R)
3/5
TONE CONTROL
IC502 6/4
RY102 8/2 Q303, 304 LO/RO
SW351
MAIN A (L/R)
PA
Q110A/C Q114A/C -B SW351
0 0 0
0 0.1 4.1 4.9 0 0
0
1A 1 1Y 2
14 VDD 13 6A 12 6Y 11 5A 10 5Y 9 4A 8 4Y
7 5
FL/FR
0 0
6
4.9 2.5 4.9 2.5
4.9
IC808 : TC74HCUO4AF-TP1 Hex Inverters
1.7 1.6 4.0 0 3.4 3.4
0 3.9 0
3 1 0.3 2
3.4 4.7 4.6 0.3 0.1 4.8 4.8 4.8 3.9 0 3.9 3.9 0 2.5 3.6 0
A1 1 B1 2
14 VDD
4.9
13 B4 12 A4 11 Y4 10 B3 9 A3 8 Y3
5
0 3.9
DVD DIGITAL
5 4
1.7 1.7 1.7 0 0 0 2.5 0
A
B
C
D
E
F
G
DSP-AX620
H
s BLOCK DIAGRAM
1
See page E-68/J-66 (DSP)
1 T741 XL801 2 D743-746 S12
COAXIAL
IC808A IC808B CXA 125
IC801 YSS928
62 SDOB0
D/A CONVERTER
IC811A 3 IC815 AK4382 9 10 11 12 2 – 3 + 1 L (DAL)
DSP CONTROL from µ-COM
RY101
PHONES
See page E-70/J-68 (INPUT 2/2)
IC313 DAL/DAR BYL/BYR 6L/6R 90Hz HPF L/R 1/7 IC304A 2/6 IC320 1/7 L/R
BASS EXTENSION
PA : POWER AMP
0 –11.2 0
6
0
4 0 –11.8 5
7
0
FL
0 0 0 0 0 0 0 0 0 0 0 –11.3 –11.2 0 0 –11.3 –11.2 0 0
11.9
5 8 7
0
6
0
0
8
0
2
0
4 0 –11.8 3
1
0
RL
0 0 –11.3 –11.2 0
11.9
3 8 1
0
2
0 0
0 0
0
0
0 0 0 0 0 0 –11.3 –11.2
0
0
4
OUT1 1 –IN1 2 +IN1 3 –VCC 4 8 +VCC 7 OUT2 6 –IN2 5 +IN2
~ ~
4.9 4.7 0 3.9
~ ~ ~ ~ ~
0
D/A CONVERTER
0 4.9 0 4.9 0
–11.8
0 0
+ –
+ –
0 3.4
AC3D3
4.9
4.9
4.9
IC805 : TC74HC00AF Quad 2 Input NAND
IC317 3/5 1/7 RL/RR
RELAY DRIVER
Q137, 138, 139
5
MD/TAPE OUT (L/R) VCR 1 OUT (L/R) VCR 2/DVR OUT (L/R)
MAIN (L/R)
6CH INPUT
6L/6R
+5V -5V 3 Q310 – 315
IC319A 1 SW
1.8
1.1
L/R
0 0 1.7 1.7 4.9 4.9 0 0 0 –11.3
0
3
8
1
L
–11.2 0 0.7 0 0 0
0
0
~ ~
~ ~
~ ~
~
3
IC803 : PQ025EZ5MZP +2.5V Regulator
DC INPUT (VIN) 1 3 DC OUTPUT (VO)
4.9 1.4
OUTPUT EXPANSION
IC586
59
60
58 19 14 15
HP-RELAY SP-RELAY
XL501 10MHz XL581 IC588 VCR 1 25, 35 1, 11 IC587 IC581B VCR 2 DVR 21, 31 7, 17 5
VSEL
40 87-90 39 13
Q587
IC584C 51 7
MON
VDD
IC503 POWER DETECT /RESET Q510, 511
S12
45
3
MAIN CPU
IC501 µPD784217AGF DVD
43 40 VSS
MG
INPUT SELECTOR
IC682 V501
D-TV/CBL VCR 1 VCR 2 DVR VIDEO AUX
IC305 – 307
4
PHONO (L/R) CD (L/R)
AUDIO
SW501
BASS TREBLE VR501 VR502
IC311
FL/FR
MAIN B (L/R)
PHONO MM EQ
MUTE
6 GANG ELECTRIC VOLUME 0 – -99dB/0.5dB
–∞
CENTER : NONE IC304B C
(WITH LEVEL CONTROL)
+B
DVD (L/R) D-TV/CBL(L/R)
IC301 IC302A
C 6C
IC303B 5
IC315A 7 C
CENTER
Q305 C
PA
Q126A/C -B +B
RY104
MD/CD-R IN (L/R) VCR 1 IN (L/R) VCR 2/DVR IN (L/R) VIDEO AUX (L/R)
CD
DIGITAL INPUT
See page E-73/J-71 (POWER)
Q741 PRY MG
INPUT SELECTOR
SIGNAL DETECTOR
IC808C
CXDTA
9
IC811B 5 + 7 6 –
R (DAR) F1 F2 IC705 D723 +5D +5
OPTICAL
REC OUT SELECTOR
6
27
2
VIDEO AUX
28
AXD
3
CODEC
60 SDOB2 7
DOLBY DIGITAL /DTS DECODER
D/A CONVERTER
IC812 AK4527
DIGITAL OUTPUT
26
DUTY CORRECT REC OUT MD/CD-R
IC805, 806, 807 5 RSEL 6
0 0 2.5 2.5 2.5 2.5
0
0
0 0 0 0.7
5
0
–11.2
7 4
0
0
6
IC811, 813–817 : µPC4570G2 IC807 : NJM2904M-T1 Dual OP Amp
3.1 1.7 1.1 1.8
2.1 2.0
0 0 3.4 3.4 0 0 0 0 3.4 0 0 0 0.1 0
DSP PROGRAM SELECTOR
SW502
See page E-71/J-69 (OPE 2/2)
See page E-70/J-68 (OPE1/2)
E-42/J-40
E-43/J-41
6
A
B
C
D
E
F
G
H
I
J
K
L
M
N
DSP-AX620
s SCHEMATIC DIAGRAM (DSP)
1
Point q (Pin 1 of IC801) V : 2V/div, H : 50 nsec/div DC, 1 : 1 probe
IC703 OPTB OPTC OPTD 157 156 154
MD/CD-R DVD D-TV/CBL
SOUND FIELD PROCESSING/SPEAKER CONFIGURATION /VIRTUAL PROCESSING/HEAD-PHONE PROCESSING
G 61 SDOB1 IC815A 1 3 + – IC815B 7 5 + – IC816A 7 5 + – IC816B 1 3 + – IC817A 1 3 + – IC817B 7 5 + – C D722 IC701 SW G 25 FL IC702 FR IC704 -5 -12 +12
3
A/D CONVERTER
IC812 AK4527
ADR
-B +2.5 IC803 +5D2
See page E-73/J-71 (MAIN 2/2) See page E-72/J-70 (MAIN 1/2)