Aiwa HV-GX950 K Service Manual page 48

OEC7035A
Pin No. Pin Name
51 POWER ON L
52 NC
53 ONE TOUCH PB
54 PELI CTL
55 NC
56 NC
57 A.MUTE-H
58 T.A.MUTE-H
59 TAB SW
60 NC
61 SD
62 CAP ON
63 CG-CS
64 FLD-CS
65 FLD-D OUT
66 FLD-D IN
67 FLD-CLK
68 CG-DATA
69 NC
70 CG-CLK
71 IIC-CLK
72 IIC-SDA
73 32K MONI
74 Hi-Fi MUTE
75 V-REC-ST
76 PICTURE CTL
77 CAP-CTL
78 CYL-CTL
79 REEL-S
80 REEL-T
81 NC
82 P.FAIL
83 NC
84 C SYNC
85 CFG
86 DPG
87 DFG
88 AMP VSS
89 AMP V.OUT
90 AMP V.IN
91 CTL-
92 CTL+
93 CTL SW OUT
94 CTL AMP IN
95 AMP C
96 CTL VSS
97 CTL AMP OUT
98 CTL VCC
99 A VCC
100 NC
IC DESCRIPTIONS
I/O
O For control the user power switch ON/OFF.
O Not used.
O Control the LED for the ONE TOUCH PLAYBACK.
I Control the 21 pin IC output.
O Not used.
O Not used.
O This pin output the HIGH to mute the sound at the switching point
between E-E and V-V during the special playback.
O Not used.
I Input of TAB SW.
I Not used.
O Not used.
O Control the Capstan Motor rotation direction.
O Output the CS signal of character generator IC.
I User switch for the auto start ON/OFF.
O Timing output of data transmission and receiving with FIP driver.
I Receiving of Key switch data from FIP driver.
O Indication data and mode transmission to FIP driver.
O Output the Data of OSD.
I Not used.
O Output the Clock of OSD.
O Clock output to Hi-Fi IC.
I/O DATA input/output to Hi-Fi IC.
O Output 32.768KHz monitor(16.384KHz output) to check the clock.
O Control the Hi-Fi IC.
O Control the Head Amp for video and Hi-Fi audio.
O Output pulse to control the Y/C IC for sharpness.
O Output servo of the capstan motor.
O Output "L" when fast forwarding or rewinding.
I Input terminal of reel sensor supply.
I Input terminal of reel sensor take up.
- Not used.
I Input for the detection of power interruption.
- Not used.
I Input Compound synchronized signal.
I Input terminal for Capstan FG signal detection.
I Input terminal for Drum PG signal detection.
I Input terminal for Drum FG signal detection.
- Ground.
O Output the Analogue Amp standard voltage.
I Input the Analogue Amp standard voltage.
I/O Input and output terminal of CTL AMP.
I/O Input and output terminal of CTL AMP.
O Output terminal of CTL AMP positive.
I Input terminal of CTL AMP.
- Ground.
- Connect the VSS.
I/O Output terminal of CTL AMP circuit.
- 5V.
- Voltage terminal for general circuit.
I Not used.
Description
F-2