Ic Block Diagram （Icブロック図 - Yamaha T3n Service Manual

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T5n/T4n/T3n
I
IC BLOCK DIAGRAM （IC ブロック図）
• DS36276M (X2155A00)
Transceiver
CPUT: IC802
V
CC
RO 1 8
R
RE 2 7 DO/RI
DE 3 6 DO/RI
D
GND
DI 4 5
• NJM2068M-D (TE2) (X3505A00)
Dual Operational Amplifier
INT: IC402-407, 410, 414, 901-906
Output A
1 +V 8
Inverting
2 7
Input A - +
Non-Inverting
3 6
+ -
Input A
-DC Voltage Supply -V
4 5
• NJM13600M (TE2) (X5042A00)
Operational Amplifier
INT: IC409
AMP BIAS INPUT A 1 16
DIODE BIAS A 2 15
+INPUT A 3 14
–INPUT A 4 13
– + + –
A B
OUTPUT A 5 12
V– 6 11
BUFFER INPUT A 7 10
BUFFER OUTPUT A 8
20
• IR2110 (X2382A00)
Driver
PST: IC103,104
LO 1 14
VSS
COM 2 13
VCC 3 LIN
12
4
11 SD
VS 5 10 HIN
VB 6 9 VDD
HO 7
8
• NJM78L06UA (TE1) (X3620A00)
Regulator +6V
INT: IC412
+DC Voltage
Supply
Output B
Inverting
Input B
Non-Inverting
Input B
• YAC-526-EZE2 (X5574A00)
2ch high grade digital volume LSI
INT: IC408
AMP BIAS INPUT B
IN1
DIODE BIAS B
+INPUT B
REF1B
REF1A
–INPUT B
OUTPUT B
AVDD
V+
DGND
REF
BUFFER INPUT B
AVSS
DVSS
9 BUFFER OUTPUT B
REF2A
REF2B
IN2
V
9
DD
Q
R
S
V DD /V CC
HIN 10 LEVEL
SHIFT
SD 11
V DD /V CC
LIN 12
LEVEL
SHIFT
S
Q
R
V
SS 13
100 ohms
0 ~ -95dB
Vol B:
0 ~ +31.5dB
10 k-ohms
OPAmp
Vol A:
15 k-ohms
Zero
Crossing
Detector
Control
Register
S/P
Zero
Crossing Register
16
Detector
Vol A:
15 k-ohms
Vol B:
0 ~ +31.5dB
100 ohms
10 k-ohms
0 ~ -95dB
OPAmp
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UV
HV DETECT
R Q
LEVEL
R
PULSE
SHIFT
FILTER
S
PULSE
GEN
UV
DETECT
DELAY
VIN
VOUT
GND
OUT1
ZCEN1 1
ZCEN2 2
CSN 3
TE1 SDATAI 4
TE2
DGND 5
TE3
ZCEN1
REF 6
ZCEN2
DVSS 7
SDATAO (OpenDrain)
SCLK 8
SDATAI
SCLK
SDATAO 9
CSN
TE1 10
TE2 11
TE3 12
OUT2
6 V
B
7
HO
5 V
S
3
V
CC
LO
1
2 COM
24 IN1
23 REF1A
22 REF1B
21 OUT1
20 AVDD
19 AVSS
18 AVSS
17 AVDD
16 OUT2
15 REF2B
14 REF2A
13 IN2