Symphonic ST27S3, Service Manual

Page: 37 / 52

10-1 L6601PIN
IC PIN FUNCTIONS
IC111(TV Micro Computer)
Pin
No.
Signal Name Function
1 GND GND
2 N.U. Not Used
3 N.U. Not Used
4 N.U. Not Used
5 GND GND
6 VCC AL+5V
7 N.U. Not Used
8 FILT FILT
9 HLF Filter for CCD
10 VHOLD VHOLD
11 CVIN Input for Video Signal
12 RESET RESET
13
MCU RESET
OUT
RESET Signal Output
14 Y-SW OUT Composite Signal Output
15 GND GND
16 3.58 X'TAL 3.58MHz Crystal
17 C-APC CHROMINANCE APC
18
MCU 5.7REG
OUT Micro controller Control
Voltage Output
19 N.U. Not Used
20 N.U. Not Used
21 N.U. Not Used
22 VCC VCC
23 N.U. (GND)
24 CVBS IN2 Composite Signal Input 2
25 N.U. Not Used
26 CVBS IN1 Composite Signal Input 1
27 N.U. Not Used
28 5.7V REG OUT 5.7V Output
29 N.U. Not Used
30 N.U. Not Used
31 V REG VCC DC 8.7V Input
32 FSC OUT Clock Output 3.58MHz
33 N.U. Not Used
34 N.U. Not Used
35 N.U. Not Used
36 N.U. Not Used
37 V RAMP F/B V Ramp Feed Back
38 V RAMP OUT Vertical Output
39 V RAMP CAP V Ramp OSC Capacitor
40 8.7 VREG OUT DC 8.7V Output
41 N.U. Not Used
42 H VCO F/B H Vco Feed Back
43 AFC FILT Horizontal AFC Filter
44 GND GND
45 FBP IN Flyback Pulse Input
46 H-OUT H Pulse Output
47 VCC Vcc
48 VCC Vcc
49 VCC Vcc
50 R OUT Red Output
51 G OUT Green Output
52 B OUT Blue Output
53 ACL IB-Input
54 N.U. Not Used
55 N.U. Not Used
56 SDA
I2C-BUS Controller Interface
(Data)
57 N.U. Not Used
58 SCL
I2C-BUS Controller Interface
(Clock)
59 N.U. (GND)
60 STEREO-IN STEREO-IN
61 N.U. Not Used
62 VOLUME Volume
63 INPUTO EXT-H
64 A-MUTE-H Audio Mute
65 N.U. Not Used
66 KEY-IN 1 Key Input 1 (Main)
67 PROTECT-2 Power Supply Protection
68 PROTECT-1 Power Supply Protection
69 KEY-IN 2 Key Input 2 (Main)
70 RCV-IN Input For Remote Control
Pin
No.
Signal Name Function