A
B
C
D
E
F
G
H
1
2
3
4
5
6
DSP-AX2
■
PRINTED CIRCUIT BOARD (Foil side)
E-50/J-48
1
36
37
72
73
108
109
144
1
24
48
25
1
15
16
30
1
15
16
30
1
15
16
30
1
15
16
30
1
15
16
30
16
30
1
15
1
8
5
4
1
8
5
4
1
8
5
4
1
8
5
4
1
8
5
4
1
8
5
4
1
8
5
4
1
8
5
4
1
8
5
4
1
8
5
4
1
8
5
4
1
8
5
4
1
16
9
8
16
9
1
8
16
9
1
8
16
9
1
8
16
9
1
8
3
4
4
B
A
J only
R, T, B, G only
IN
OUT
CD
PAHONO
MAIN
SURROUND
SUBWOOFER
/CENTER
AUDIO
MD/TAPE
IN
OUT
CD-R
6CH INPUT
TO : F AMP (1)
W501
#501
THM
FA
N
PRI
PR
O
FR
E
FL
+12
-12
+5V
+5D1
+5D2
-5V
PRV
#502
TO : F AMP (1)
W502
RR
RL
FL
E
C
DA
L
E
E
-5V
+5D1
+12
SDD
/ICD
DMT
NC
RC
FR
SW
E
DA
R
E
ADR
ADL
+5D2
-12
CSY
SDM
SCK
INT928
FROM : DSP
I/E
SDTN
SCKN
AXV
AXY
AXC
VSY
CEB
CES
+5V
-5V
AXE
FROM : VIDEO (1)
FR
OM :
OPERA
TION (4)
AXV
AV
E
AXY
AV
E
AXC
MG
PSW
+5M
KEY1
/FLR
CEM0
RM+
+5V
REM
KEY0
SDTN
SCKN
CEM1
RM-
FROM : OPERATION (1)
FROM : OPERATION (7)
VRA
VRB
MG
FROM : F AMP (7)
PR
Y
+MB
MG
RM-
RT
S
MG
BOO
T
+5V
RM+
+5M2
/RES
CTS
TXD
RXD
FROM : VIDEO (6)
FROM : OPERATION (4)
AXR
AXE
AXL
REB
REC
MG
-12
TO
R
E
TO
L
HPR
E
HPMT
REA
+5M
/BEC
+12
TIR
TIL
E
HPL
/HPI
FROM : OPERATION (2)
LI
RI
C
RL
E
PR
O
SP
A
SPE
LCD
E
E
RC
RR
FPRI
PRI
SPB
LC
FROM : MAIN (1)
E
E
E
E
SW
RR
FL
LO
RO
LI
RI
C
RL
RC
FR
FROM : VIDEO (3)
E
DVR
DVL
TVR
TVL
CBR
CBL
STR
STL
V1R
E
E
V1L
V1RR
V1RL
V2R
V2L
V2RR
V2RL
ZTR
ZTL
E
FROM : VIDEO (5)
FUNCTION P.C.B.
(Lead Type Device)
Point
e
(Pin 20 of IC26)
V : 2V/div, H : 50 nsec/div
DC, 1 : 1 probe
0V
Point
r
-A (+MB : Emitter of Q506)
Point
r
-B (/RES : Collector of Q507)
V : 5V/div (+ MB), V : 1V/div (/RES)
DC, 1 : 1 probe, H : 1 sec/div
0V
0V
+ MB
/RES
AC CORD ON
AC CORD OFF
Ref. No.
Location
D502
C3
D503
C2
D508
C3
D509
C2
D510
C4
D511
C4
D512
C4
D513
C4
D514
C2
D515
C2
D516
D3
D517
B4
D518
D3
Ref. No.
Location
IC501
G4
IC502
F3
IC503
G2
IC504
F3
IC505
G2
IC506
G4
IC507
G4
IC508
F4
IC511
F4
IC512
E4
IC513
E3
IC514
E4
IC515
E4
IC516
D4
IC517
D4
IC518
D4
IC519
D4
IC520
D4
IC521
D4
IC522
D3
IC523
D4
IC524
D4
IC525
D4
IC526
C3
IC527
C4
IC528
C2
●
Semiconductor Location
Ref. No.
Location
Q505
C3
Q506
C2
Q507
C3
Q508
C4
Q509
C4
Q514
D4
Q516
D4
Q518
D3
Q519
D3
Q520
D3
Q521
D3
Q522
E4
Q523
D4
Q524
E3
Q525
C3
Q526
C3
Q527
C3
Q528
C3
Q529
C3
Q530
C3
Q531
C3
Q532
C3
Q533
B4
Q534
B4
Q535
C3
Q536
C3
Q537
D3
Q538
D3
Q539
D3
Q540
D3
Q543
E3
Q544
D3
Q545
E3
E-51/J-49