Yamaha T3n Service Manual page 21

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• NJM4558M (TE2) (X5804A00)
Operational Amplifier
INT: IC601, 604-612
Output A 1
Inverting
2
Input A – +
Non-Inverting
3
+ –
Input A
Ground 4
• NJM431U (TE1) (X6770A00)
Variable Shunt Regulator
PAT: IC202, 203
REFERENCE
ANODE
(A)
• NJM79L06UA (TE1) (X7917A00)
Regulator -6V
INT: IC413
• UC3525AN (X5952A00)
Switching Regulator
PST: IC101
INV. INPUT 1
+DC Voltage
8
N.I. INPUT 2
Supply
7 Output B
SYNC 3
Inverting
6 OSC. OUTPUT 4
Input B
Non-Inverting
5 C 5
T
Input B
R 6
T
DISCHARGE 7
SOFT-START 8
REFERENCE (R)
CATHODE
(K)
+V
IN
16 V REF
GROUND
15 +V
IN
SYNC
14 OUTPUT B
R
13 V
C
C
12 GROUND
DISCHARGE
11 OUTPUT A
10 SHUTDOWN
COMPENSATION
9 COMPENSATION
INV. INPUT
N.I. INPUT
SOFT-START
SHUTDOWN
CATHOD
ANODE
•
COMMON
OUTPUT
INPUT
Free World of Manuals
OSC
V OUT
REF
16 4
NOR
Reference UVLO
15
Regulator Lockout
12
To Internal
circuitry
3
6
T
NOR
Flip
OSC
Flop
5
T
7
R
COM
S
9 PWM
Latch
Error
Amp S
1
V
REF
50 ∝A
2
8
3 k
10
5 k
• µPC4570G2-E1-A (X7351A00)
Dual Operational Amplifier
INT: IC602, 603
A OUTPUT V+
1 8
A
A -INPUT B OUTPUT
- +
2 7
B
A +INPUT B -INPUT
+ -
3 6
V- B +INPUT
4 5
NJM7815FA (XD853A00)
Regulator +15V
PST: IC105, 108, 109
T5n/T4n/T3n
13 V
C
11 OUTPUT A
14 OUTPUT B
INPUT
OUTPUT
GND
21