Pin Description Of Ic; Circuit Description - Kenwood RXD-655 Service Manual

Port No. Port Name
56 FPB
57 MIC IN
58 MP3 LED
59 DESTOUT
60 STANDBY LED
61 KARAOKE LATCH
62 NO USE/MPEG POW
63 RDS RST
64 RDS RDDA
65 RDS RDCL
66 RDS READY
P22~P19
67~70
DEST3~DEST0
71~78 P18~P11
79 VLOAD
80~89 P10~P1
90~100 G11~G1

2. Pin Description of IC

2-1 Focus/Tracking/Spin/Sled Driver : M63001FP (CD Section IC2)
Port No. Port Name
1 TO
2 FD
3 NC
4 FO+
5 FO-
6 TR+
7 TR-
8~14 GND
15 SL-
16 SL+
17 SLDO
18 VCC
19 STANDBY
20 VREF
21 MUTE
22 GND
23 VCC
24 VCC2
25 SPD
26 SP+
27 SP-
28 VCC3
29~35 GND
36,37 NC
38 M-
39 M+
40 VCC4
41 LDM-
42 LDM+

CIRCUIT DESCRIPTION

I/O
I DECK REVERSE RECORDING SWITCH INPUT
- OPEN
- OPEN
O DISCRIMINATION PORT FOR DESTINATION
O STANDBY LED CONTROL
- OPEN
- CONNECTED TO GROUND
O RDS RAM RESET
I RDS TRANSMIT DATA INPUT
O RDS CLOCK
I READY DATA INPUT
O FL DISPLAY CONTROL PORT
I DESTINATION INPUT PORT
O FL DISPLAY CONTROL PORT
- FL DRIVER POWER SUPPLY(-30V)
O FL DISPLAY SEGMENT CONTROL PORT
O FL DISPLAY GRID CONTROL PORT
I/O
I CH2 inverted input.
I CH1 inverted input.
O Unused.
O CH1inverted output.
O CH1 non-inverted output.
O CH2 inverted output.
O CH2 non-inverted output.
- GND
O CH3 non-inverted output.
O CH3 inverted output.
I CH3 inverted input.
- Power supply 1 (CH1, CH2, CH3).
I STANDBY signal input.
- CH1~CH4 reference voltage input.
I Mute signal input (CH6).
- GND
- Connected to power supply.
- Power supply 2 (CH4).
I CH4 inverted input.
O CH4 inverted output.
O CH4 non-inverted output.
- Power supply 3 (CH5).
- GND
O Unused.
O CH6 non-inverted output.
O CH6 inverted output.
- Power supply 4 (CH6).
I CH6 inverted input.
I CH6 non-inverted input.
RXD-655/755
Function
Function
11