Aiwa XR-EM50K, Service Manual

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Pin No. Pin Name I/O Description
83 NC - Not connected.
84 NC - Not connected.
85 KSCAN I Initial scan input.
86 O-MUTE O Mute signal output.
87 O-BIAS O Bias ON/OFF output.
88 O-TU_ON O Tuner power supply ON/OFF output.
89 AVSS - Connected to GND.
90 VDD2 - Digital power supply pin.
91 I-RDDA I RDS data input. <EZ only>
92 I-ST I Stereo/Mono control signal input.
93 I-TU/IFC I Tuner SD detection input/Tuner IF count input.
94 I-TMBASE I Reference clock input for timer switch.
95 O-PLL CE O Tuner PLL IC chip enable output.
96 O-PLL CLK O PLL IC clock output.
97 O-MA DATA O BD3881FV (VOL & FUNC) control data output.
98 O-REC O Cassette deck REC/PLAY control output.
99 O-POWER O Power control ON/OFF output.
100 NC - Not connected.
IC, LC78646E
Pin No. Pin Name I/O Description
1 SLCO O Slice level control output.
2 SLCIST I Connection terminal for current electricity setting of SLCO output.
3 EFMIN I RF signal input terminal.
4 RF O RF signal monitor terminal.
5 RFVDD - RF current electricity terminal.
6 RFVSS - RF grounding terminal. (Connected to 0 V)
7 FIN1 I A+C signal input terminal.
8 FIN2 I B+D signal input terminal.
9 TIN1 I E signal input terminal.
10 TIN2 I F signal input terminal.
11 VREF O VREF voltage output terminal.
12 REFI I Reference voltage setting terminal.
13 FE O FE signal monitor terminal.
14 TEC O TE signal LPF condenser connection terminal.
15 TE O TE signal monitor terminal. (Not used)
16 RFMON O RF internal signal monitor terminal. (Not used)
17 JITTC - Jitter detection condenser connection terminal.
18 ADAVDD - Servo A/D, D/A power supply terminal.
19 ADAVSS - Servo A/D, D/A grounding terminal. (Connected to 0 V)
20 TDO O Tracking control output terminal. D/A output.