Sony STR-DE625 - Fm Stereo/fm-am Receiver, Service Manual

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STR-DE625/V616
— 37 — — 38 —
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
—
O
O
O
O
O
I
O
O
I
—
I
—
—
I
—
O
O
O
O
I
O
I
I
—
I
O
O
I
I
I
I
I
—
I
O
I
I
I
—
O
O
O
O
O
—
I
O
O
I
Description
Power Supply (+5 V)
Video IC SW1
Video IC SW2
Video IC SW3
Ground through resister
S Mute
Not used (ground)
A-class mute
Dolby latch
System reset
System clock (4.19 MHz)
System clock (4.19 MHz)
= VSS (0 V)
Open
Ground
+5 V
Tone latch
Serial clock
Serial data
Serial latch
Auto stop
Tuner mute
Stereo
Tuner data in
A/D ground (0 V)
SIRCS input
Video IC SW4
Ground through resister
Version
A/D key 4
A/D key 3
A/D key 2
A/D key 1
A/D power supply (+5 V)
A/D reference voltage (+5 V)
Ground through resister
Ground
Ground
STOP
0 V
Direct pass relay
Surround relay
Center relay
Front relay
Mix/sub relay
+5 V
Protector in
Power relay
Bass boost
Speaker off
Pin Name
VDD
P37
P36/BUZ
P35/PCL
P34/TI2
P33/TI1
P32/TO2
P31/TO1
P30/TO0
RESET
X2
X1
IC (VPP)
XT2
P04/XT1
VDD
P27/SCK0
P26/SO0/SB1
P25/SI0/SB0
P24/BUSY
P23/STB
P22/SCK1
P21/SO1
P20/SI1
AVSS
P17/ANI7
P16/ANI6
P15/ANI5
P14/ANI4
P13/ANI3
P12/ANI2
P11/ANI1
P10/ANI0
AVDD
AVref
P03/INTP3
P02/INTP2
P01/INTP1
P00/INTP0/T10
VSS
P74
P73
P72
P71
P70
VDD
P127/FIP52
P126/FIP51
P125/FIP50
P124/EIP49
• IC103 uPD780208FGF (DISPLAY BOARD)
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
O
O
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
—
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
Description
Volume –
Ground
Ground
Ground
Power switch in
5.1/DVD input LED
Tone LED
Muting LED
Bass/Treble LED
Surround LED
Index LED
PHONO LED
TUNER LED
TAPE/MD LED
CD LED
TV/LD LED
Ground through resister
Ground through resister
Video LED
P1
P2
P3
P4
P5
P6
P7
P8
FIP pull down (–35 V)
P9
P10
P11
P12
P13
P14
P15
P16
P17
12G
11G
10G
9G
8G
7G
6G
5G
4G
3G
2G
1G
Pin Name
P123/FIP48
P122/EIP47
P121/FIP46
P120/FIP45
P117/FIP44
P116/FIP43
P115/EIP42
P114/FIP41
P113/FIP40
P112/FIP39
P111/FIP38
P110/FIP37
P107/FIP36
P106/FIP35
P105/FIP34
P104/FIP33
P103/FIP32
P102/FIP31
P101/FIP30
P100/FIP29
P97/FIP28
P96/FIP27
P95/FIP26
P94/FIP25
P93/FIP24
P92/FIP23
P91/FIP22
P90/FIP21
Vload
P87/FIP20
P86/FIP19
P85/FIP18
P84/FIP17
P83/FIP16
P82/FIP15
P81/FIP14
P80/FIP13
FIP12
FIP11
FIP10
FIP9
FIP8
FIP7
FIP6
FIP5
FIP4
FIP3
FIP2
FIP1
FIP0
3-16. IC Pin Function Description