Akai DV-R3110SS, Руководство по обслуживанию

Страница: 31 / 47

IC BLOCK DIAGRAMS & IC PINS DESCRIPTION
IC605 PT2322-S
6-CHANNEL
VOLUME CONTROL
&
MUTE
T
O
N
E
C
O
N
T
R
O
L
T
O
N
E
C
O
N
T
R
O
L
6-CHANNEL OUTPUT
VOLUME TRIM
3D 3D
TONE
DEFEAT
TONE
DEFEAT
TONE
CONTROL
ON
TONE
CONTROL
ON
3 12
2 13
1 14
28 15
27
26
25
16
CTRE_FR
RCMID1_FR
RCMID2_FR
RCBAS1_FR
RCBAS2_FR
CTRE_FL
RCMID1_FL
RCMID2_FL
RCBAS1_FL
RCBAS2_FL
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
O
U
T
_
F
L
O
U
T
_
S
L
O
U
T
_
C
T
O
U
T
_
S
U
B
O
U
T
_
S
R
O
U
T
_
F
R
S
C
L
V
C
C
FL
SL CT
SUB SR FR
IN
_
F
L
IN
_
S
L
IN
_
C
T
G
N
D
V
R
E
F
IN
_
S
U
B
IN
_
S
R
IN
_
F
R
I C
CONTROL
UNIT
2
GND
SDA
1
1
1
0
9 8 7 6 5 4
57
U27 LD1117S
U28 LD1117S33
Thermal
Limit
+
-
+
Current
Limit
GND (FIXED OUTPUT)
ADJ. (ADJUSTABLE OUTPUT)
V
IN
V
OUT
Substrate
U9 XC61AN1902MR
+
-
Vref
V
OUT
V
SS
V
IN
U17 K4S161622D
A
d
d
re
s
s
R
e
g
is
te
r
R
o
w
B
u
ff
e
r
R
e
fr
e
s
h
C
o
u
n
te
r
Bank Select
R
o
w
D
e
c
o
d
e
r
C
o
l.
B
u
ff
e
r
L
R
A
S
L
C
B
R
Data Input Register
512K x 16
512K x 16
S
e
n
s
e
A
M
P
Column Decoder
Latency & Burst Length
Programming Register
I/
O
C
o
n
tr
o
l
O
u
tp
u
t
B
u
ff
e
r
LWE
LDQM
DQI
Timing Register
LDQM
LCAS
LRAS LCBR LWE
LWCBR
CLK CKE CS RAS CAS
L(U)DQM
WE
CLK
ADD
LCKE
58
IC302 TC74HC373AF
D D D D D D D D
Q Q Q Q Q Q Q Q
L L L L L L L L
D0 D1 D2 D3 D4 D5 D6 D7
Q1 Q0 Q2 Q3 Q4 Q5 Q6 Q7
LE
QE
1Pin
2Pin
GND
Vcc
OUT
VCC
3Pin
Vref
+
-
U3 BA033FP
U22, U23, U24 NJM4580E
1
2
3
4
7
6
5
8 V +
B
B
B
B +IN
+IN
OUT
OUT
-IN
-IN
A
A
A
A
V -
R10 R4
R5
R6
R1
R15
R16
R20
R19
R2
R7 R22 R18
R3
R14
Q18
Q7
Q11
Q4
Q13
Q10
Q6
Q5
Q1 Q14
Q2
Q3
D1
Q12
R8
Q8
R9
Q9
R13
C1
D3
D2
Q15
Q18
Q17
R17
R21
R12
R11
(1)
(3)
(2)
INPUT
OUTPUT
COMMON
U29 BA17805FP
2
12
10
7
6
1
1
9
3
1
5
4
+
+
1
1
AMP2
AMP1
8
IN2
OUT2
400ohm
400ohm
20kohm
20kohm
PRE-GND PW-GND
OUT1
IN1
RIP-FIL
VCC
IC601, IC602, IC603 TA8258H