Ic Block Diagram - Yamaha PC4800N Service Manual

IC BLOCK DIAGRAM

NJM4558M(T1) (IG103520)
●
PC9500M IN10: IC601, IC602, IC603,
IC604, IC605, IC606
PC4800M IN5: IC601, IC602, IC603,
IC604, IC605, IC606
NJM2068MD-T1 (XJ553A00)
●
PC9500M IN10: IC402, IC403, IC404,
IC405, IC406, IC407
PC4800M IN5: IC402, IC403, IC404,
IC405, IC406, IC407
M5238AFP (XL669A00)
●
PC9500M IN10: IC401
PC4800M IN5: IC401
OP AMP
+DC Voltage
Output A 1 8
Supply
Inverting
2 7 Output B
Input A
- +
Inverting
Non-Inverting
3 6
+ - Input B
Input A
Non-Inverting
Ground 4 5
Input B
TC9413AP (X2101A00)
●
PC9500M IN10: IC408
PC4800M IN5: IC408
VOLUME
V 1 16
SS
OUT 2 15
IN 3 14
L-ch
NC 4 13
A-GND 5 12
CS1 6 11
GND 7 10
CK 8 9
（IC ブロック図）
TC7W14FU
PC9500M IN10:
PC4800M IN5:
INVERTER
1A 1
3Y 2
2A 3
GND 4
SG3525AN (X2383A00)
●
PC9500M PS10: IC101
PC4800M PS5: IC101
REGULATOR
INV. INPUTN 1
N.I. INPUT 2
SYNC 3
OSC. OUTPUT 4
C 5
T
R 6
T
DISCHARGE 7
SOFT-START 8
V
DD
2
OUT
OUT
IN 3
L-ch
IN
NC 4
R-ch
NC
5
A-GND
A-GND
CS1 6
CS2
GND 7
STB
CK 8
DATA
XN883A00
( )
●
IC804
IC804
8 Vcc
7 1Y
6 3A
5 2Y
V
16
REF
V
REF
+V
15
IN
OSC. OUTPUT
14 OUTPUT B
SYNC
13 V
C
R
12 GROUND
DISCHARGE
C
11 OUTPUT A
10 SHUTDOWN
COMPENSATION
9 COMPENSATION
INV. INPUTN
N.I. INPUT
V V
SS DD
1 16
L-ch R-ch
Data latch Data latch
circuit circuit
Shift register (13bit)
Level Level
shift shift
circuit circuit
Strobe generation circuit
PC9500N/PC4800N
DS36276M (X2155A00)
PC9500M IN10: IC802
PC4800M IN5: IC802
TRANSCEIVER
V
CC
RO 1 8
R
RE 2 7 DO/RI
3 6
DE DO/RI
D
DI 4 5 GND
REFERENCE
16
REGULATOR
FLIP/
4
FLOP
3
A
6
T
7
5
T
B
9 PWM
50µA
1
5K
5K
E/A
2
15
OUT
IN
14
R-ch
13 NC
12 A-GND
CS2
11
10 STB
9
DATA
15
+V
IN
13 V
C
11
OUTPUT A
14 OUTPUT B
12 GROUND
8 SOFT-START
10 SHUTDOWN
17