Pioneer CB-A802, Service Manual

Page: 126 / 168

DVD-V8000
126
1 2 3 4
1 2 3 4
C
D
F
A
B
E
(6) CN115 (VKN1416) For spindle motor
(5) CN111 (VKN2045) For pickup connection
(7) CN1501 (AKM1277) For LCD module connection
(8) CN1502 (AKM1281) For LCD module connection
No. Pin Name I/O Pin Function No. Pin Name I/O Pin Function
1 GNDD
−
Ground 13 VRCOM O Monitoring voltage
2 VCC
−
+5 V power supply 14 VR780 O
−
−
−
−
Monitor diode VR for CD
3 B3 I PU-B3 input 15 GNDD Ground
4 B4 I PU-B4 input 16 LD(780) O 780 nm LD drive signal
5 780/650 I LD switching control signal 17 PD Monitoring voltage
6 C I Beam C input 18 LD(650) O 650 nm LD drive signal
7 OEICG O Gain control signal 19 GNDD Ground
8 A I Beam A input 20 VSHF Ground connection
9 B1 I PU-B1 input 21 TRKGDRV O Tracking inverting output
10 B2 I PU-B2 input 22 TRKGRTN O Tracking non-inverting output
11 VREF(2.5V) O Reference power supply 23 FOCSDRV O Focus non-inverting output
12 VR650 O Monitor diode VR for DVD 24 FOCSRTN O Focus inverting output
No. Pin Name I/O Pin Function No. Pin Name I/O Pin Function
1 A3 O Monitor output 7 H2- I Holl sensor input (-)
2 A2 O Monitor output 8 H3+ I Holl sensor input (+)
3 A1 O Monitor output 9 H3- I Holl sensor input (-)
4 H1+ I Holl sensor input (+) 10 GNDM
−
Ground
5 H1- I Holl sensor input (-) 11 V+5S
−
+5 V power supply
6 H2+ I Holl sensor input (+) 12 INSIDE I Slider position input
No. Pin Name I/O Pin Function No. Pin Name I/O Pin Function
1 VSS
−
Ground 4 RS O Code and data switching signal
2 VDD
−
+5 V power supply 5 R/XW O Read/write signal
3 VO
−
LCD display density adjustment 6 E O Enable signal
No. Pin Name I/O Pin Function No. Pin Name I/O Pin Function
1 DB0 I/O LCD data bus 6 DB5 I/O LCD data bus
2 DB1 I/O LCD data bus 7 DB6 I/O LCD data bus
3 DB2 I/O LCD data bus 8 DB7 I/O LCD data bus
4 DB3 I/O LCD data bus 9 BLA
−
Backlight anode
5 DB4 I/O LCD data bus 10 BLK
−
Backlight cathode