Semiconductor Lead Identification - Toshiba FT-8000 Service Manual

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SEMICONDUCTOR LEAD IDENTIFICATION

Base Unit
D1 /D4 / D9 / D10 : 1N4148
D3 : HZ33-2
D11 : HZ6B2
D13 : HZ4B1
Anode
Cathode
Q1 : 2SC2714
Q2 / Q4 / Q6 / Q9 : 2SC1623
Q3 / Q10 : 2SC2712
Q12 : 2SA812(M)
B
E
C
B : Base
E : Emitter
C : Collector
IC1
LA8634VU
IC3
MC3361CDR2
D6 : MVR3338ST
Cathode
Anode
Q7 / Q8 / Q11 : 2SD471
E
C
B
IC5
MB89176PF
DTMF
1
RST
2
MDD0
3
MDD1
4
X0
5
X1
6
Vcc
7
XOUT
8
FCOUT
9
P27 / REF
10
P26
11
P25
12
IC4
IC6 :
PS2501
XC61CC2802PR / XC61AC2802F
1
4
2
3
24
36
P36 / INT2
35
P37 / BZ
34
P00 / L10
33
P01 / L11
32
P02 / L12
31
P03 / L13
30
P04 / L14
29
P05 / L15
28
P06 / L16
27
P07 / L17 / CR
26
P10
25
P11
V
V
V
OUT
IN
SS

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