Sony sTR-V200 Service Manual page 20

3-12. IC PIN FUNCTIONS
• IC201 uPD78044FGF-064-3B9
Pin No. Pin Name I/O
1 DIG7 O
2 DIG6 O
3 DIG5
O
4 O Fluorescent indicator tube drive
DIG4
5 DIG3 O
6
DIG2 O
7
DIG1 O
8 Power supply (+5V)
+5V —
9
S. CLK I System clock
10 S. DATA I System data
11
PLL. DATA I PLL data input from TU001
12 S. CE (LC7288) O Chip enable output
13 S. CE (LV1010) O Chip enable output
14
REAR-R I Input for model select (Connected to ground)
15 BRIDGE I Protector detect input
16 PROTECT I Protector detect input
17 RESET I System reset terminal
18 AUTO-STOP I Auto stop detect input
19 STEREO-IN I Stereo detect input
20 AVSS — Ground (Not used)
21 O Speaker relay drive
SP-RY
22 SURR-RY O Surround Relay
23 POWER-RY Power relay drive
O
24
AVSS — Ground
25
SIGNAL I A/D signal input terminal
26 A/D3 key input terminal
A/D3 I
27 A/D2 I A/D2 key input terminal
28
A/D1 I A/D1 key input terminal
29 AVDD — Power supply (+5V)
30 AV. REF — Reference voltage (+5V)
31 GND — Ground
32 NC — Not used (Open)
33 VSS — Ground
34 X1 I System clock (4.19MHz)
35 X2 O System clock (4.19MHz)
Mute drive output for µPD2581V (IC701)
36 IC. MUTE O
37 PROLOGIC O Plologic LED (Not used)
38 SIMULATED CINEMA STUDIO LED (Not used)
O
39 O HALL LED (Not used)
HALL
40 T. MUTE Tuner mute drive output
O
Function
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Pin Name I/O
Pin No.
41 VOLUME UP O Volume up
42 VOLUME DOWN O Volume down
43 STANDBY O Standby LED drive (Not used)
44 SYS. POWER I System power ON/OFF
45 RDS. DATA. IN I RDS data input (Not used)
46 RDS. CLK. IN I RDS clock input (Not used)
47 STOP I Stop signal input from NJM2103D (IC950)
48 VSS — Ground
49 SIRCS I Sircs signal input
50 POWER SW I Power switch input terminal
51 5.1ch LED — 5.1ch LED drive
52 +5V — Power supply (+5V)
53 I
BASS BOOST Bass boost LED drive
54 FUNC. MUTE O Line mute drive
SL MUTE SL mute drive
55 O
56 VERSION I Input for model select
57 I
K14 Key in 4
58 K13 I Key in 3
59 K12 I Key in 2
60 K11 I Key in 1
61 SR MUTE O SR mute drive
62 S15 O Not used
63 S14 O
64 S13 O
65 S12 O
66 S11 O
Fluorescent indicator tube drive
67 S10 O
68 S9 O
69 S8 O
S7
70 O
71 — Connect to –24V
VLOAD
S6 O
72
73 S5 O
74 S4 O
Fluorescent indicator tube drive
S3
75 O
76 S2 O
77 S1 O
78 DIG10 O
79 DIG9 O Fluorescent indicator tube drive
80 DIG8 O
Function
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