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T
UNER R
FROM
TUNER M
O
DULE
IN
PUT
SELECT
IO
N
CI
RCUI
T
(BY RELAY)
DI
SC L
DI
SC R
CD R
VI
DEO
R
AUX R
T
APE R
T
APE L
AUX L
VI
DEO
L
CD L
IC
3
3
CD4094
IC
3
1
NJU7313AL
CPU
CPU
ZONE
2 L
ZONE
2 R
PREAPM M
ODULE
AMP CI
RCUIT
IN
˄
˅
PREAMP M
ODULE
AMP CI
RCUIT
OUT
˄
˅
BASS
RT31
RT32
RT34
T
R
EBL
E
BALANCE
SW31
T
O
NE DEF
EAT
RT33
V
O
LUME
MU
TE
MU
TE
MU
TE
Q310
Q31
Q32
SUB O
U
T
CONTROL
SUB O
U
T
PRE-O
UT
L
PRE-O
UT
R
MA
IN
IN
R
MA
IN
IN
L
SO
F
T
CLI
PPI
NG
CONTROL CI
RCUI
T
S4
1
PO
WER AM
P
CI
RCUI
T L
CI
RCUI
T R
PO
WER AM
P
IC
3
3
CD4094
P
R
OTE
CTION
CI
RCUI
T
(I
C44,
UPC1237HA)
SPK B
SPK A
4
5
7
Q416
Q417
C1815
C1815
SPKA R
SPKB L
SPKA L
SPKB R
RL12/
1
JQX-115F
/0242HS4AF
RL12/
2
JQX-115F
/0
242HS4AF
CPU
IS
C CI
RCUI
T
(I
C43,
TL082D)
TR
IG
I-
V
M
IRROR
SOURCE
SCR
CI
RCUI
T
2
3
4
5
7
8
21
22
24
25
26
27
(13,
15,
16)
(1
,2
,3
)
(4,5,6,7,13,14)
11
12
VO
L
-
VO
L
+
VOLUM
E CONTROL
CI
RCUI
T
(REM
OT
E)
MU
TE
CI
RUI
T
ST
ANDBY (CPU)
JK41
AM
BER LED
CONTROL CI
RCUI
T
R467
PO
SI
ST
O
R
(80 DEGREE C)
R439
PO
SI
ST
O
R
(90 DEGREE C)
BLOCK DIAGRAM
H
EAD
PH
ON
E
FROM
TUNER M
O
DULE
T
UNER R
T
UNER L
CI
RCUI
T
CONTROL
CURRENT
CI
RCUI
T
CONTROL
CONTROL
- 9 -