JVC UX-M55 Service Manual page 25

Pin No. Symbol
31 CCE
32 BUCK
33 BUS0
34 BUS1
35 BUS2
36 BUS3
37 TRAY IN(SLOUT)
38 TRAY OUT(SLIN)
39 SLT
40 CLT(SLEND)
41 N.C.
42 RDS DATA
43 STEREO
44 POWER DETECT
45 AD K3
46 AD K2
47 AD K1
48 VAREF
49 (BOOT)
50 V
SS
51 V
DD
52~91 SEG39~SEG0
92~95 COM3~COM0
96 VLC
97 PLL DATA
98 PLL CLK
99 PLL PERIOD
100 V
DD
TA7291S (IC702) : Bridge driver
1.Terminal Layout
1 2 3 4 5 6 7
I/O
O Servo DSP chip enable output
O Servo DSP clock output
I/O Servo DSP command and data I/O
I/O Servo DSP command and data I/O
I/O Servo DSP command and data I/O
I/O Servo DSP command and data I/O
O Tray open/close outputs for current sensor drawer type mechanism.
O
I CD pick up position input: L if pick up is in inner side.
I Current sensor input
- Not connected
I BU1923F(RDS demodulator) interface data input
I Stereo input pin for tuner stereo indication
I Power down detection
I Panel key analog input
I Panel key analog input
I Panel key analog input
- Analog reference voltage input
I Control input for writing MCU program area via ICU interface.
- GND (0V)
- VDD (+5V)
O LCD segment outputs (Pin 55 and 56: Not connect)
O LCD common outputs
- LCD drive power supply
I/O TC9257P (PLL) interface
O TC9257P (PLL) interface
O TC9257P (PLL) interface
- VDD (+5V)
2.Pin function
Pin No.
1 IN2(M-)
2 Vcc
3 OUT2
4 NC
8 9
5 GND
6 Vs
7 OUT1
8 Vref
9 IN1(M+)
Function
Symbol I/O
I Input terminal
- Supply voltage terminal for logic
O Output terminal
- Not connect
- Ground terminal
- Supply voltage terminal for motor driver
O Output terminal
- Supply voltage terminal for control
I Input terminal
Function
UX-M55
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