JVC HR-XV1EU-R Service Manual page 34

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VCR PCB OEC7079D (IC3001)
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
SUB_DATA_OUT
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
1-30
IC DESCRIPTIONS
Pin Name
I/O
O
Control the LED display module(SEG2)
LEM-SEG2
LEM-SEG3
O
Control the LED display module(SEG3)
O
Control the LED display module(SEG4)
LEM-SEG4
O
Control the LED display module(SEG5)
LEM-SEG5
O
Control the LED display module(SEG6)
LEM-SEG6
O
Control the LED display module(SEG7)
LEM-SEG7
LEM-SEG8
O
Control the LED display module(SEG8)
O
Control the LED display module(SEG9)
LEM-SEG9
Control the LED display module(SEG10)
LEM-SEG10
O
Initial setting is FLD : FLD POWER ON/OFF terminal.
Control the LED display module(GRID1)
LEM-GRID1
O
Initial setting is FLD : VCR LED for a drive.
LEM-GRID2
O
Control the LED display module(GRID2)
LEM-GRID3
O
Control the LED display module(GRID3)
LEM-GRID4
O
Control the LED display module(GRID4)
LEM-GRID5
O
Control the LED display module(GRID5)
O
Output the Data of Submicom.
I
Input the Data of Submicom.
SUB_DATA_IN
O
Output the Clock of Submicom.
SUB_CLK
CG-DATA
O
Output the Data of OSD IC.
CG-CS
O
Output the CS signal of OSD IC.
CG-CLK
O
Output the Clock of OSD IC.
IIC-CLK
O
Clock output to IIC.
IIC-SDA
I/O
DATA input/output to IIC.
32K MONI
O
Output 32.768KHz monitor(16.384KHz output) to check the clock.
Hi-Fi MUTE
O
Control the Hi-Fi IC.
V-REC-ST
O
Control the Head Amp for video and Hi-Fi audio.
PICTURE CTL
O
Output pulse to conrol the Y/C IC for sharpness.
CAP-CTL
O
Output servo of the capstan motor.
CYL-CTL
O
Output pulse to conrol the drum motor.
REEL-S
I
Input terminal of reel sensor supply.
REEL-T
I
Input terminal of reel sensor take up.
TAB SW
I
Input of TAB SW .
P.FAIL
I
Input for the detection of power interruption.
N.C.
I
Not used.
C SYNC
I
Input Compound synchronized signal.
CFG
I
Input terminal for Capstan FG signal detection.
N.C.
O
Not used.
DFPG
I
Input terminal for compounded PG and FG signal of Drum motor.
AMP VSS
-
Ground.
AMP V.OUT
O
Output the analogue Amp standard voltage.
AMP V.IN
I
Input the analogue Amp standard voltage.
CTL-
I/O
Input and output terminal of CTL AMP.
CTL+
I/O
Input and output terminal of CTL AMP.
CTL SW OUT
O
Output terminal of CTL AMP positive.
CTL AMP IN
I
Input terminal of CTL AMP.
AMP C
-
AC Ground of CTL AMP.
CTL VSS
-
Connect the VSS.
CTL AMP OUT
I/O
Output terminal of CTL AMP circuit.
AMP VCC
-
5V.
A VCC
-
Voltage terminal for general circuit.
MESECAM-M/
I
Distinction input terminal of MESCAM and SQPB.
SQPR-H
Description

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