JVC RC-BM5 Service Manual page 32

RC-BM5
ST24C01 (IC302) : Serial access 1K(128x8) EEPROM
1. Terminal layout
A0 1 8
A1 2 7
A2 3 6
V SS
4 5
TDA1308 (IC704) : Class AB stereo headphone driver
1. Terminal layout
1 8 V DD
OUTA
INA(neg) 2 7 OUTB
TDA 1308
INA(pos) 3 6 INB(neg)
V SS 4 5 INB(pos)
TDA7073 (IC502/IC503) : Dual BTL power driver
1. Terminal layout
IN1- 1 16
IN1+ 2 15
n.c. 3 14
n.c. 4 13
Vp 5 12
IN2+ 6 11
IN2- 7 10
n.c. 8 9
1-32
2. Pin function
Pin No. Symbol I/O
V CC
1
WC
2
SCL
3
SDA
4
5
6
7
8
2. Block diagram
1
OUTA
2
INA(neg)
3
INA(pos)
4
V SS
2. Block diagram
OUT1+
n.c.
GND1 1
DISC MOTOR
2
OUT1-
OUT2-
3
n.c.
4
5 VDD
GND2
6
OUT2+
7
SLIDE MOTOR
8
Function
A0 I Chip enable input
A1 I Chip enable input
A2 I Chip enable input
Vss - Ground
SDA I/O Serial data adress input/output
SCL - Serial clock
WC - Write control (W version)
VCC - Supply voltage
3. Pin function
Pin No. Symbol I/O
1 OUTA
8
V DD
2 INA(neg)
3 INA(pos)
7
OUTB
4 Vss
6
5 INB(pos)
INB(neg)
5
INB(pos)
6 INB(neg)
7 OUTB
8 VDD
3. Pin function
Pin No. Symbol I/O
1 IN1-
16 2 IN1+
3 n.c.
15
4 n.c.
14
5 Vp
13
6 IN2+
7 IN2-
8 n.c.
9 OUT2+
12
10 GND2
11
11 n.c.
10
12 OUT2-
9
13 OUT1-
14 GND1
15 n.c.
16 OUT1+
Function
O Output A
I Inverting input A
I Non-inverting input A
- Negative supply
I Non-inverting input B
I Inverting input B
O Output B
- Positive supply
Function
I Negative input 1
I Positive input 1
- Not connect
- Not connect
- Positive supply voltage
I Positive input 2
I Negative input 2
- Not connect
O Positive output 2
- Ground 2
- Not connect
O Negative output 2
O Negative output 1
- Ground 1
- Not connect
O Positive output 1