Aiwa XR-EM52 Service Manual page 43

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