Akai DV-R4100VSS Service Manual page 34

IC802, IC802 BA05ST
VCC REFERENCE
2
VOLTAGE
CTL
1
GND
3
IC605 BD3814FV
1
INP1
2
INN1
MASTER
- +
VOLUME
OUT1 3
0~-95dB
1dB/step, MUTE
AGND1 4
INP2 5
INN2 6 Ri=20KΩ
- +
7
OUT2
AGND2
8
Ri=20KΩ
9
INSW
AGND3 10
Ri=20KΩ
11
INSR
12
AGND4
INSL
13
Ri=20KΩ
14
AGND5
INC 15
AGND6 16
BASS
INFR
17
Ri=20KΩ
18
AGND7
INFL 19
TREBLE
Ri=20KΩ
20
VEE
U17, U18 LD1117S33C
U19 LD1117S
-
+ OUT
4
+
C
5
40 AGND10
39
VCC
38 AGND9
37 CL
36 DA
35 MUTE
34 DGND
33 AGND8
IC601, IC602, IC603 TA8258H
32
OUTSW
8
31 OUTSR
30
OUTSL
2
IN2
29
OUTC
1
OUTFR
28
1
27
OUTFL
400ohm
26 BNF2L
3
PRE-GND
25 BNF1L
400ohm 20kohm
5
24 BNF2R
1
23
BNF1R
4
22
TNFL
IN1
21 RIP-FIL
TNFR
6
63
-
Thermal
Limit
+
Current
Limit
GND (FIXED OUTPUT)
ADJ. (ADJUSTABLE OUTPUT)
IC302 PT6254LQ
11
+
OUT2
VDD1
12
AMP2
VDD2
/INH
20kohm
PW-GND
10
OSC
VDD
VSS
AMP1 7
OUT1
+
VCC
9
IC503 BU4551BF
V
IN
W
1 1
X
0 2
X 3
1
X 4
Y 5
Y
6
0
V
EE 7
8
Vss
+
U1 TL3472CD/R
V
OUT
1OUT
Substrate
1IN-
1IN+
V /GND
CC-
COM1 COM2 COM3 COM4
COMMON
DRIVER
CLOCK
GENERATOR
64
16 V
DD
15 W
0
W
1
X W
0 0
14
W
X W
1
13 Z
Z
X
Y Z
1
12
Z
1
Y Z
0 0
V
EE Y
1
Z
11
0
CONTROL
Y
10
1
CONTROL
9
1
8 V
CC+
2OUT
2
7
2IN-
3
6
2IN+
4
5
SG51 SG50 SG13 SG12/P12 SG2/P2 SG1/P1
SEGMENT DRIVER & LATCH
SHIFT REGISTER
ADDRESS
DETECTOR
CLK CE
DI