Arcam DiVA AVR200 - Multi Channel and Tuner Board IC Block Diagrams

SURROUND SOUND RECEIVER
AA
AA
VV
VV
RR
RR
22
22
00
00
00
00
- 47 -
MULTI CHANNEL BOARD
U605-U611: NE5532
AMPLIFIER 1
OUTPUT
INVERTING
INPUT
NON-INVERTING
INPUT
V –
AMPLIFIER 2
V +
OUTPUT
INVERTING
INPUT
NON-INVERTING
INPUT
1
2
3
4
8
7
6
5
+ – – +
ROM BOARD
U1001: LM393D
1
OUTPUT 1
2
IN1(-)
3
IN1(+)
-
+
4
GND
8
V
CC
7
OUTPUT 2
6
IN2(-)
5
IN2(+)
-
+
S-VIDEO BOARD
U401: BA7623
VIDEO BOARD
U410: BA7623
GND
IN1
IN2
IN3
OUT1
OUT2
OUT3
VCC
1
2
3
4
8
7
6
5
75W
driver
75W
driver
75W
driver
S-VIDEO BOARD
U404, U405: TEA2014A
18GROUND EXTERNAL VIDEO INPUT
2775Ω VIDEO OUTPUT SUPPLY VOLTAGE
36INTERNAL VIDEO INPUT SWITCHED VIDEO OUTPUT
45NOT TO BE USED SWITCHING INPUT
S-VIDEO BOARD
M402: BA7625
VIDEO BOARD
U404: BA7625
1MONITOR OUT 16 IN1
2GND 15 CTL A
3IN5 14 VOUT1
4GND 13 VCC
5IN4 12 IN2
6CTL E 11 CTL B
7INT3 10 VOUT 2
8CTL D 9 CTL C
6dB
LOGIC
LOGIC
6dB