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Yamaha DSP-AX620 Service Manual: Pin Connection Diagram

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DSP-AX620

PIN CONNECTION DIAGRAM

ICs
NJM78L05A-T3
NJM79M05FA
NJM79M12FA
1:OUTPUT
1:COMMON
2:COMMON
1
2:INPUT
2 3
3:INPUT
3:OUTPUT
TC74HC00AF
NJM2904M-T1
µPC4570G2
TC74HCU04AF-TP1
TC74VHCT08AF
TK15420MTL
TC74HC164AF-EL
5
8
8
4
14
1
1
LC74781-9798
12
24
30
1
Transistors
2SA933S (Q, R)
2SC1740S (R, S)
2SD1915F (S, T)
DTC114ES
B
C
DTC144ES
E
2SA1037K (Q, R, S)
2SC3326 (A, B)
DTA144EK
C
B
Diodes
1SS133
MTZJ10.0C
MTZJ12.0C
1T2
1SS270A
MTZJ13.0A
1N4002S
MTZJ30.0A
MTZJ4.7C
MTZJ6.8B
Cathode
39
NJM7805FA
NJM7812FA
1: OUTPUT
2: COMMON
3 2
3 2
3: INPUT
1
1
AK4382-VT-E2
LA7104M
LA7108M-TLM
CS3310-KSR
TC74HC4051AFEL
9
16
8
7
1
MSM514260C-60JS
LC78211
LC78213
15
40
1
2SA893A (D, E)
2SA949 (O, Y)
2SA1015 (Y)
2SC535 (A, B, C)
2SC1815 (Y)
2SC1890A (D, E)
2SC2240 (GR, BL)
2SC2878 (A, B)
2SA1708 (S, T)
2SA1770 (S, T)
2SC4488 (S, T)
2SC4614 (S, T)
2SD1991A (Q, R, S)
E
1SS355
RB501V-40
UDZS5.1B
UDZS6.2B
UDZS6.8B
Anode
UDZS7.5B
UDZS5.6B
UDZS9.1B
Cathode
µPC29M33T-E1
PQ025EZ5MZP
4
1: VIN
1: INPUT
2: VC
1
5
2: GND
3: VO
3: OUTPUT
4: NC
1 2
3
4: GND
5: GND
LA7109
19
34
18
36
44
1
µPD784217AGF
80
21
81
20
100
1
1
2SK246 (Y)
E
C
B
S
G
D
2SB1565 (E, F)
2SD2396 (J, K)
B
C
E
D2SBA20
S1VB20
S5VB20
Anode
+
TC74HCU04AP
TC74HC4053AP
7
16
1
14
1
AK4527VQ
LC75725E
48
33
33
23
49
22
12
64
1
11
1
16
YSS928
120
51
121
50
160
31
1
30
2SA1695 (O, P, Y)
2SC4468 (O, P, Y)
B
C
E
B
C
E
8
8
32
17
81
80
41
40

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