JVC TV-13142 Service Manual page 28

TV-13142
TV-13142W
SYSCON PCB OEC7059A (IC1001)
PIN NO. PIN NAME
53 OSD VCC
54
55
56
57
58
59
60 OSD OUT 1
61 CENTER LED
62
63
64
65
66 V REC START H
67
68
69
70
71
72
73 FF/REW-L
74 JUST CLOCK
75
76 CAPSTAN PWM
77 DRUM PWM
78 CAPSTAN FULL
79
80
81 VCR MUTE
82
83 EXT MUTE
84 CA/MA SEL
85 POWER FAIL
86
87 CAPSTAN FG
88
89 DRUM FG
90 DRUM PG
91 AMP VREFOUT
92 AMP VREFIN
93
94
95
96
97 CTL AMP OUT
98
99 ANALOG VCC
100 DEW(mono)
100 STEREO SEL(HiFi)
･ The assignment for Pin 100 is varies according to the SET which is MONO or Hi-Fi.
It is used for DEW terminal in MONO and STEREO SEL terminal in Hi-Fi.
28
IC DESCRIPTION
I / O
- 5V
HLF - Filter connection for HLF.
VHOLD - Condenser connection for VHOLD.
CVIN I Composite Video input terminal.
NUA - Ground.
H SYNC I Input terminal for H-SYNC.
V SYNC I Input terminal for V-SYNC.
O Blanking output terminal of OSD.
O CENTER indication LED output.
B O Color signal blue output.
G O Color signal green output.
R O Color signal red output.
NC O Not used.
O On control of A/V recording (Whole width erase) circuit.
NC O Not used.
SDATA O DATA terminal for serial communication.
CS O Output terminal to permit serial communication.
SCLK O CLOCK terminal for serial communication.
CLK 1 O CLOCK terminal for I2C BUS communication.
DATA 1 I/O DATA terminal for I2C BUS communication.
O The output terminal of to that switches the frequency characteristic of CTL by the circuit bill
outside.
I Not used.
VOLUME O PWM output of volume control.
O PWM output of Capstan control.
O PWM output of Cylinder control.
O Output the HIGH during the acceleration force of capstan motor at SLOW mode.
REEL S I Not used.
REEL T I Input terminal of reel sensor take up.
O Mute signal of audio mute. (VCR)
TV MUTE O Mute signal of audio mute. (TV)
O Not used.
O Not used.
I Input for the detection of power interruption.
IIC OFF I When input "L" the I2CBUS communication is stopped.
I Input terminal for CAPSTAN FG signal detection.
AMP VSS - Ground.
I Input terminal for DRUM FG signal detection.
I Input terminal for DRUM PG signal detection.
O Condenser connection for AMP-VREFOUT.
I Condenser connection for AMP-VREFIN.
C I Condenser connection for C.
CTL- I/O Input and output terminal of Control Head.
CTL+ I/O Input terminal of Control Head.
AMP C - Condenser connection for AMP C.
O Output terminal for amp out.
AMPVCC - 5V
- 5V
I Input terminal for the detection with the dew of the cylinder.
I Input terminal for the judgement of voice reception condition.
DESCRIPTION