Pioneer DVR-233-S Service Manual page 65

5
No. Pin Name
PF0
41
42 PF1
43 PF2
44 PF3
45 PF4
46 PF5
47 PF6
48 PF7
49 SI2P0/SO2
50 SI2P1/SI2/SB2
51 SI2P2/SCK2
52 SI2P3/SCK2O
53 PWM1
54 PWM0
55 VDD2
56 VSS2
57 PO0
58 PO1
59 PO2
60 PO3
61 PO4
62 PO5/CKO
63 PO6/T6O
64 PO7/T7O
65 P20/INT4/T1IN/TOCLP/TOHCP/INT6 STATCHG
66 P21/INT4/T1IN/TOCLP/TOHCP
67 P22/INT4/T1IN/TOCLP/TOHCP/HCTR CSYNCIN
68 P23/INT4/T1IN/TOCLP/TOHCP
69 P24/INT5/T1IN/TOCLP/TOHCP/INT7 MRST
70 P25/INT5/T1IN/TOCLP/TOHCP
71 P26/INT5/T1IN/TOCLP/TOHCP
72 P27/INT5/T1IN/TOCLP/TOHCP
73 P30/PWM4
74 P31/PWM5
75 P32/UTX1
76 P33/URX1
77 P34/UTX2
78 P35/URX2
79 P36
80 VDDODA
5
6
Signal Name I/O
LET O Letter-box output superimposed signal
SQU O Squeese output superimposed signal
RGBSEL O Input RGB selection
XTUMODE O
S1 O S1/S2 selection signal
XLPTHRU O
PSMUTE O
O
XAVLTH Through selection of AV.Link communication line
NC O
NC O
NC O
RFTHRU O RF through selection of tuner
NC O
FANCTRL O
Rotaion speed control of radiating fan
−
VDD2
−
GND
Main board power control
P_CONT2 O
MUTECTL O
Equaliser selection of slicer input video
EPGEXT O
TUON O Power control for tuner section
SWVION O Power control for tvideo section
P_CONT O Power control for whole system
FLON O Power control for FL tube
XP_SAVE O
I Detection of audio multi-plex status change of MSP
Input audio for Just Clock
J_CLOCK I
I C-sync for Auto-Rec
XCHECKER I Detection of attaching the unit checker
Detection of abnormality of Main Board power
I
AVLIN I Input line of NexTViewLink
NC O
BLANKIN I
DVD indicator
LEDDVD O
LEDHDD O HDD indicator
TXD1 O Transmission for RS232-C terminal
Reception for RS232-C terminal
RXD1 I
Reservation
TXD2 O
Reservation
RXD2 I
HS_TTOM O Handshaking of sys con
−
VDDODA
6
7
Function
SYS → Tuner
DVR-231-S
7
8
Active
A
B
C
D
E
F
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8