Toshiba DVR610 Service Manual - Page 77

Ic Pin Function Descriptions - dvd vcr recorder

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IC PIN FUNCTION DESCRIPTIONS < VCR Section > IC1501 (SYSTEM CONTROL MICROPROCESSOR) Pin IN/ Signal No. OUT Name Function 1 IN P-DOWN -H Power Voltage Down Detector Signal 2 IN READY/ BUSY Ready/Busy Communication Control with Main Micro Controller 3 IN T-REEL Take Up Reel Rotation Signal 4 - NU Not Used 5 IN REMOTE Remote Control Sensor 6 OUT DISPLAYENA FL Display Driver IC Enable Control Output Signal 7 OUT DISPLAYDATA FL Display Driver IC Data Control Output Signal 8 OUT DISPLAYCLK FL Display Driver IC Clock Control Output Signal 9 - NU Not Used 10 - NU Not Used 11 - NU Not Used 12 - NU Not Used 13 - NU Not Used 14 OUT S-CLOCK Communication of Clock with VCR Micro Controller 15 IN S-DATAIN 16 OUT S-DATAOUT 17 IN/ IIC-BUSOUT SDA 18 OUT IIC-BUSSCL Communication of Data to VCR Micro Controller Communication of Data from VCR Micro Controller IIC BUS Serial Data IIC BUS Serial Clock 19 OUT YCA-SCL YCA IC Serial Clock 20 OUT YCA-SDA YCA IC Serial Data 21 OUT YCA-CS YCA IC Chip Select 22 IN RECSAF-SW Recording Safety SW Detect (With Record tab = "L"/ Without Record tab = "H") 23 OUT RF-SW Video Head Switching Pulse 24 OUT D-V SYNC Dummy V-sync Output 25 IN RESET System Reset Signal (Reset="L") 26 OUT LM-FWD/ REV Loading Motor FWD/ REV Output 27 OUT P-ON-L Power On Signal to Low Pin IN/ Signal No. OUT Name Function 28 - NU Not Used 29 OUT D-REC Delayed Record Signal 30 OUT Hi-Fi-HSW VCR31 OUT AUDIO- MUTE 32 OUT C-F/R Hi-Fi Audio Head Switching Pulse VCR Audio Mute Control Signal Capstan Motor FWD/REV Control Signal (FWD="L"/ REV="H") 33 OUT C-CONT Capstan Motor Control Signal 34 OUT D-CONT Drum Motor Control Signal 35 - NU Not Used 36 - VDD Power Supply 37 OUT OSCO 38 IN OSCI Main Clock Output 14.31818MHz Main Clock Input 14.31818MHz 39 - GND Ground 40 IN XI Main Clock Input 41 OUT XO Main Clock Output 42 IN SXI Operation Mode Selecting Input Signal 43 OUT PWR-SW DVD Power Supply Control Signal 44 IN SYSRESET System Reset Signal (Reset="L") 45 OUT REGCONT2 Power Regulator Control Signal 46 OUT REGCONT1 Power Regulator Control Signal 47 OUT VIDEOOUT Composite Video Signal Output 48 - GND Ground 49 IN VIDEO-IN Composite Video Signal Input 50 IN C-SYNCIN Composite Synchronized Pulse 51 - VDD2 Power Supply 52 IN AFCC Low Pass Filter Input Signal For AFC 53 OUT AFCLPF Low Pass Filter Output Signal For AFC 54 OUT VIDEOMUTE Video Mute Control Signal 55 OUT OUTPUTSELECT Output Select (DVD="L"/ VCR="H") 56 - NU Not Used 1-16-1 E9KGAPIN

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1-16-1
E9KGAPIN
IC PIN FUNCTION DESCRIPTIONS
< VCR Section >
IC1501
(SYSTEM CONTROL MICROPROCESSOR)
Pin
No.
IN/
OUT
Signal
Name
Function
1
IN
P-DOWN
-H
Power Voltage Down Detector
Signal
2
IN
READY/
BUSY
Ready/Busy Communication
Control with Main Micro
Controller
3
IN
T-REEL
Take Up Reel Rotation Signal
4
-
NU
Not Used
5
IN
REMOTE
Remote Control Sensor
6
OUT
DISPLAY-
ENA
FL Display Driver IC Enable
Control Output Signal
7
OUT
DISPLAY-
DATA
FL Display Driver IC Data
Control Output Signal
8
OUT
DISPLAY-
CLK
FL Display Driver IC Clock
Control Output Signal
9
-
NU
Not Used
10
-
NU
Not Used
11
-
NU
Not Used
12
-
NU
Not Used
13
-
NU
Not Used
14
OUT S-CLOCK
Communication of Clock with
VCR Micro Controller
15
IN
S-DATA-
IN
Communication of Data to
VCR Micro Controller
16
OUT
S-DATA-
OUT
Communication of Data from
VCR Micro Controller
17
IN/
OUT
IIC-BUS-
SDA
IIC BUS Serial Data
18
OUT
IIC-BUS-
SCL
IIC BUS Serial Clock
19
OUT
YCA-SCL
YCA IC Serial Clock
20
OUT
YCA-SDA
YCA IC Serial Data
21
OUT
YCA-CS
YCA IC Chip Select
22
IN
REC-
SAF-SW
Recording Safety SW Detect
(With Record tab = ”L”/
Without Record tab = ”H”)
23
OUT
RF-SW
Video Head Switching Pulse
24
OUT
D-V
SYNC
Dummy V-sync Output
25
IN
RESET
System Reset Signal
(Reset=”L”)
26
OUT
LM-FWD/
REV
Loading Motor FWD/ REV
Output
27
OUT
P-ON-L
Power On Signal to Low
28
-
NU
Not Used
29
OUT
D-REC
Delayed Record Signal
30
OUT
Hi-Fi-H-
SW
Hi-Fi Audio Head Switching
Pulse
31
OUT
VCR-
AUDIO-
MUTE
VCR Audio Mute Control
Signal
32
OUT C-F/R
Capstan Motor FWD/REV
Control Signal (FWD=”L”/
REV=”H”)
33
OUT
C-CONT
Capstan Motor Control Signal
34
OUT
D-CONT
Drum Motor Control Signal
35
-
NU
Not Used
36
-
VDD
Power Supply
37
OUT OSCO
Main Clock Output
14.31818MHz
38
IN
OSCI
Main Clock Input
14.31818MHz
39
-
GND
Ground
40
IN
XI
Main Clock Input
41
OUT
XO
Main Clock Output
42
IN
SXI
Operation Mode Selecting
Input Signal
43
OUT PWR-SW
DVD Power Supply Control
Signal
44
IN
SYS-
RESET
System Reset Signal
(Reset=”L”)
45
OUT
REG-
CONT2
Power Regulator Control
Signal
46
OUT
REG-
CONT1
Power Regulator Control
Signal
47
OUT
VIDEO-
OUT
Composite Video Signal
Output
48
-
GND
Ground
49
IN
VIDEO-IN
Composite Video Signal Input
50
IN
C-SYNC-
IN
Composite Synchronized
Pulse
51
-
VDD2
Power Supply
52
IN
AFCC
Low Pass Filter Input Signal
For AFC
53
OUT AFCLPF
Low Pass Filter Output Signal
For AFC
54
OUT
VIDEO-
MUTE
Video Mute Control Signal
55
OUT
OUTPUT-
SELECT
Output Select (DVD=”L”/
VCR=”H”)
56
-
NU
Not Used
Pin
No.
IN/
OUT
Signal
Name
Function