Kenwood RXD-M35 Service Manual page 8

RXD-M35
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Pin No. Pin Name
71 PROTECT
72 A_MUTE
73 SP. RERAY
74 EEP SDA
75 EEP SCL
76 ENC A
77 ENC B
78 LED. RED
79 LED. GRN
80 NCS
6. Pin Description of IC's
6-1 CD RF AMP : AN8399SA-E1 (IC201)
Pin No. Pin Name
1 PD
2 LD
3 VCC
4 RF
5 RF OUT
6 RF IN
7 LDRCTL
8 CAGC
9 ARF
10 CEA
TE
L 13942296513
11 RF ENV
12 CSBDO
13 BDO
14 COFTR
15 OFTR
16 NRFDET
17 GND
18 SLPSW
19 VREF
20 TEN
21 TEOUT
22 FEN
23 FEOUT
24 GCTL
25 FBAL
26 TBAL
27 E
28 F
29 D
30 B
31 C
32 A
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CIRCUIT DESCRIPTION
I/O
O Detection input port for protection circuit H = PROTECTION ON
O Audio muting control output. H = OFF L = ON
O Unused.
I/O EEPROM data input and output.
O EEPROM clock output.
I Rotary encoder input (up).
I Rotary encoder input (down).
O Control port of standby/timer LED(red). L = ON
O Control port of standby/timer LED (yellow). L = ON
O CS signal output to LCD driver IC.
I/O
I APC Amp input.
O APC Amp output.
- Power supply.
I RF amp inverting input.
O RF addition amp output.
I AGC amp input.
- LD reference voltage control.
- AGC loop filter connection.
O AGC output.
- Capacitance connection for RF HPF-Amp.
O 3T-ENV output.
- Capacitance connection for RF dark side envelope detection.
O BDO output.
- Capacitance connection for RF bright side envelope detection.
O OFTR output.
O NRFDET output.
- GND
- Sleep mode control (connected to ground).
O VREF output.
I TE. Amp inverting input.
O TE. Amp output.
I FE. Amp inverting input.
O FE. Amp output.
O Gain & APC control.
O F. BAL control.
O T. BAL control.
I Tracking signal input 1.
I Tracking signal input 2.
I Focus signal input 4.
I Focus signal input 2.
I Focus signal input 3.
I Focus signal input 1.
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Description
Description
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9 4 2 8
0 5 8 2 9 9 4 2 8
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