Sanyo DC-DV610KR Service Manual page 61

IC BLOCK DIAGRAM & DESCRIPTION
IC601 BA5937AFP(Power Driver)
28
THERMAL
DOWN
D
x2
1
PIN NO. NAME
1
2
3
4
5
6
7
8
9
10
11
12 OUT2-2
13 OUT2-1
14
IC362 TC4011BF(NAND)
B4
VDD A4
14 13 12
1 2 3
A1 B1 X1
A
B
27 36 25 24
x2 x2
D D
LEVEL
SHUT
SHIFT
LEVEL
SHIFT
+
-
D
x2
2 3 4 5
DESCRIPTION
OUT-1 DRIVER CH1 (-)
OUT-2 DRIVER CH1 (+)
IN 1-1 DRIVER CH1
IN 1-2 DRIVER CH1 GAIN
NC NOT USED
NC NOT USED
MUTE CH1,4 MUTE CONTROL
GND GND
NC NOT USED
VCC2 VCC(CH2)
NC NOT USED
DRIVER CH2 LOARDING (+)
DRIVER CH2 LOARDING (-)
GND SUB STRAIGHT GND
X4 X3 B3 A3
11 10 9 8
4 5 6 7
X2 B2 A2 VSS
x
x = A • B
23 22 21
VCC(CH1,4) VCC(CH3)
+ -
-
-
+
+
MUTE
CH1,4
6 7 8
PIN NO. NAME
15 REV
16 FWD
17 OUT3-1
18 OUT3-2
19 LD IN
20 IN 3
21 VCC3
22 VCC1
23 Vref IN
24 IN 4-2
25 IN 4-1
26 OUT4-2
27 OUT4-1
28 GND
IC363 BA7755A(Audio Head Switcher)
1
- 73 -
20 19 18 17
x2 x2
D D
FWD
LEVEL
SHIFT
VOLTAGE
CTRL
D
VCC(CH2)
x2 x2
9 10 11 12
DESCRIPTION
LOARDING REV
LOARDING FWD
DRIVER CH3 (-)
DRIVER CH3 (+)
LOARDING
DRIVER CH3
VCC(CH3)
VCC(CH1,4)
BIAS
DRIVER CH4 GAIN
DRIVE CH4
DRIVER CH4 (+)
DRIVER CH4 (-)
SUB STRAIGHT GND
2 3 4 5
16 15
REV
LOGIC
D
13 14