Beko V30 Service Bulletin page 7

IC 301 (MSP 3400G) MULTI STANDARD SOUND PROCESSOR
Pin Connection
1 Not connected
2 Gnd
3 Gnd
4 Digital control input/output
5 Digital control input/output
6 Gnd
7 Standby
(in normal operation it must be high)
8 Not connected
9 SCL
10 SDA
11 Not connected
12 Not connected
13 Not connected
14 Not connected
15 Not connected
16 Not connected
17 ADR Bus Clock Output
18 Digital Circuitry Supply Voltage
19 Digital Circuitry Supply Ground
20 Not connected
21 Not connected (Ground)
22 Not connected (Ground)
23 Not connected (Ground)
24 MSP RESET input
25 Headphone sound output (R)
26 Headphone sound output (L)
27 Reference analog ground
28 Speaker output (R)
29 Speaker output (L)
30 Not connected
31 Not connected
32 Not connected
Pin Connection
1 Left In
2 Left In V
3 Mute
4 Right In V
5 Right In
6 Gnd
Pin Connection
1 Input A
2 Input B
3 Supply voltage
4 Output B
5 Gnd
Pin Connection
1 Demag
2 I sense
3 Control input
4 Gnd
Standby values are given in parenthesis
(*)
V DC
2.4-2.6
1.8-2.1
0.7
0.7
0.7
0.7
0.1-2.1
0.1-2.1
0.1-2.1
0.1-2.1
IC303, IC304 (TDA7263) Audio Output IC
V DC
1.6
1.6
15.3
1.6
1.6
IC501 (TDA835X) Vertical Deflection Output IC
V DC
0,98 (0)
0.94 (0)
14,7 (1.0)
7,55 (0,4)
0 (0)
IC601 (MC44608 AP) Power Supply IC
V DC
0.85 (0.0)
0.1 (0.32)
5 (5.5)
Pin
33 Scart 2 sound output (R)
0 34 Scart 2 sound output (L)
0 35 Reference analog ground
0 36 Scart 1 sound output (R)
0 37 Scart 1 sound output (L)
0 38 Volume capacitor Headphone
4.9 39 Analog Supply High Voltage (8V)
4.9 40 Volume capacitor Speaker
41 Ground for Analog Power Supply High
Voltage
42 Internal Analog Reference Voltage
2.4 43 Scart 4 input (L)
2.4 44 Scart 4 input (R)
2.4 45 Analog Shield Ground
4.9 46 CINCH - sound input (L)
47 CINCH - sound input (R)
48 Analog Shield Ground
49 Scart 2 sound input (L)
4.9 50 Scart 2 sound input (R)
0 51 Analog Shield Ground
52 Scart sound 1 input (R)
0 53 Scart 1 sound input (L)
0 54 A/D converter ref. Voltage
0 55 Mono sound input
4.9 56 Ground for Analog Power Supply Voltage
2.1 57 Analog Power Supply Voltage (5V)
2.1 58 IF input 1
0 59 IF Common reference for IF IN1/IN2
60 IF input 2
61 Factory test mode enable (ground)
62 Crystal oss. input
63 Crystal oss. output
0 64 Not connected (Ground)
Pin
7
8 Right out
9 VS
10 Left out
11
0 12 Left In
Pin
6 Vertical Flyback Supply Voltage
7 Output A
8 Guard Output
9 Feedback Input
Pin
5 Driver
6 VCC
7 Not connected
0 8 VI
Connection
Connection
Connection
Connection
V DC
3.7
3.7
0
3.7
3.7
8
0
3.7
3.7
3.7
0
3.7
3.7
0
3.7
3.7
0
3.7
3.7
2.5
3.7
0
4.9
1.5
1.5
0
0
2.3
2.3
0
V DC
0,5-0,9
14.2
28
13.9
0,5-0,9
0.6
V DC
45,6 (10,9)
7,64 (0,1)
0,3 (0)
7,9 (0)
V DC
2.1 (0.14)
12.3 (8.8)
-
116 (117)