Pioneer DV-2850-S, Service Manual

Page: 70 / 84

DV-2850-S
70
1 2 3 4
1 2 3 4
C
D
F
A
B
E
No. Pin Name I/O Pin Function No. Pin Name I/O Pin Function
1 AGND – Analog ground
2 DVDA I AC coupled input path A
3 DVDB I AC coupled input path B
48 TDI I
Serial interface port 3 data-out
Version AD input port 4
GPIO
4 DVDC I AC coupled input path C
5 DVDD I AC coupled input path D
49 TMS I
Serial interface port 3 data-in
Version AD input port 5
GPIO
6 DVDRFIP I AC coupled DVD RF signal input RFIP
7 DVDRFIN I AC coupled DVD RF signal input RFIN
50 TCK I
Serial interface port 3 clock pin
Version AD input port 6
GPIO
8 MA I DC coupled main-beam RF signal input A
9 MB I DC coupled main-beam RF signal input B
51 TDO I
Serial interface port 3 chip-select
Version AD input port 7
GPO
10 MC I DC coupled main-beam RF signal input C
11 MD I DC coupled main-beam RF signal input D
52 DVDD18 – 1.8V power pin for internal digital circuitry
12 SA I DC coupled sub-beam RF signal input A
53 IOA2 I/O Microcontroller address 2/IO
13 SB I DC coupled sub-beam RF signal input B
54 IOA3 I/O Microcontroller address 3/IO
14 SC I DC coupled sub-beam RF signal input C
55 IOA4 I/O Microcontroller address 4/IO
15 SD I DC coupled sub-beam RF signal input D
56 IOA5 I/O Microcontroller address 5/IO
16 CDFON I CD focusing error negative input
57 IOA6 I/O Microcontroller address 6/IO
17 CDFOP I CD focusing error positive input
58 IOA7 I/O Microcontroller address 7/IO
18 TNI I 3 beam satellite PD signal negative input
59 HIGHA0 I/O Microcontroller address 8
19 TPI I 3 beam satellite PD signal positive input
60 IOA18 I/O Flash address 18/IO
20 MDI1 I Laser power monitor input
61 IOA19 I/O Flash address 19/IO
21 MDI2 I Laser power monitor input
62 DVSS – 3.3V Ground pin for internal digital circuitry
22 LDO2 O Laser driver output
63 APLLCAP I APLL External Capacitance connection
23 LDO1 O Laser driver output
64 APLLVSS – Ground pin for sudio clock circuitry
24 SVDD3 – Analog power 3.3V
65 APLLVDD3 – 3.3V Power pin for audio clock circuity
25 CSO O Central servo/Positive main beam summing output
66 IOWR# I/O Flash write enable, active low/IO
26 RFLVL O RFRP low pass, or Negative main beam summing output
67 A16 O Flash adress 16
27 SGND – Analog ground
68 HIGHA7 I/O Microcontroller address 15
28 V2REFO – Reference voltage 2.8V
69 HIGHA6 I/O Microcontroller address 14
29 V20 I/O Reference voltage 2.0V
70 HIGHA5 I/O Microcontroller address 13
30 VREFO I/O Reference voltage 1.4V
71 HIGHA4 I/O Microcontroller address 12
31 FEO O Focus error monitor output
72 HIGHA3 I/O Microcontroller address 11
32 TEO O Tracking error monitor output
73 DVDD3 – 3.3V power pin for internal digital circuitry
33 TEZISLV I/O TE Slicing Level
74 HIGHA2 I/O Microcontroller adress 10
34 OP_OUT O Op amp output
75 HIGHA1 I/O Microcontroller adress 9
35 OP_INN I Op amp negative input
76 IOA20 I/O Flash adress 20/IO
36 OP_INP I Op amp positive input
77 IOCS# I/O Flash chip select, active low/IO
37 DMO O Disk motor control output. PWM output
78 IOA1 I/O Microcontroller adress 1/IO
38 FMO O Feed motor control. PWM output
79 IOOE# I/O Flash output enable, active low/IO
39 TROPENP/WM O Tray PWM output/Tray open output
80 DVDD3 – 3.3V power pin for internal digital circuitry
40 PWMOUT1 O 1
st
General PWM output, or Version AD input9
81 AD0 I Microcontroller address/data 0
41 TRO O Tracking servo output. PDM output of
tracking servo compensator.
82 AD1 I Microcontroller address/data 1
83
AD2
I Microcontroller address/data 2
42 FOO O Focus servo output. PDM output of
focus servo compensator
84
AD3
I Microcontroller address/data 3
85
DVSS
– 1.8V Ground pin for internal digital circuitry
43 DVSS – 1.8V Ground pin for internal digital
86
AD4
I Microcontroller address/data 4
44 NC – –
87 AD5 I Microcontroller address/data 5
45 NC – –
88 AD6 I Microcontroller address/data 6
• MPEG/MICON/RF-AMP CPU
Pin Function
MT1389FE/C2-L (DVD MT ASSY : IC4002)
46 DVDD3 – 3.3V power pin for internal digital circuitry
47 FG(Diogital pin) – Motor Hall sensor input, or Version AD input 8
89 IOA21 I/O
Flash address 21/IO
While External FLASH size <= 2MB:
Version AD input port 0, or
GPIO
90 ALE I/O Microcontroller address latch enable