Symphonic SC724FDF Service Manual page 74

24″ color tv/dvd/vcr
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Pin
IN/
Signal
No.
OUT
Name
Capstan Motor FWD/REV
66 OUT C-F/R
Control Signal
D-REC-L/
67 OUT
Recording/Playback Output
PLAY-H
68 OUT YCA-SDA
YCA IC Control Data
69 OUT YCA-CS
YCA IC Control Chip Select
70 OUT YCA-SCL
YCA IC Control Clock
E2PROM/CHROMA IC Tuner
71 OUT SCL
Communication Clock
IN/
E2PROM/CHROMA IC Tuner
72
SDA
OUT
Communication Data
73
-
NU
Not Used
74
IN C-SYNC
C-Sync Input
75
-
NU
Not Used
Capstan Motor Control
76 OUT C-CONT
Signal
77 OUT D-CONT
Drum Motor Control Signal
P-SAFETY
Power Supply Failure
78
IN
3
Detection 3
79
-
NU
Not Used
Take Up Reel Rotation
80
IN T-REEL
Signal
81
-
NU
Not Used
82 OUT LD-CONT
Loading Motor Control Signal
83
-
NU
Not Used
Power Voltage Down
84
IN P-DOWN
Detector Signal
85
-
NU
Not Used
86
-
NU
Not Used
Capstan Motor Rotation
87
IN C-FG
Detection Pulse
88
-
GND
GND (AMP)
89
-
NU
Not Used
90
IN D-PFG
Drum Motor Pulse Generator
91
-
NU
Not Used
AMP-
92 OUT
Standard Voltage Input
VREF- IN
93
-
C
C
IN/
94
CTL (-)
CTL (-)
OUT
IN/
95
CTL (+)
CTL (+)
OUT
96
-
AMPC
AMPC
CTL-AMP-
97 OUT
Control Amp Output
OUT
98
-
P-ON+5V
Power Supply for AMP
Function
100
1-15-2
Pin
IN/
Signal
No.
OUT
Name
99
-
AL+5V
A/D, D/A Standard Voltage
P-SAFETY
Power Supply Failure
IN
1
Detection 1
Function
T2107PIN

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