JVC KD-LX111R Service Manual page 7

KD-LX111R
2.Pin function (2/2)
Pin No. Symbol
36 RFGC
37 TEBC
38 SEL
39 AV
DD3
40 FMO
41 DMO
42 V
SS3
43 V
DD3
44 TESIN
45 XV
SS3
46 XI
47 XO
48 XV
DD3
49 DV
SS3
50 RO
51 DV
DD3
52 DVR
53 LO
54 DV
SS3
55 ZDET
56 V
SS5
57 BUS0
58 BUS1
59 BUS2
60 BUS3
61 BUCK
62 /CCE
63 /RST
64 V
DD5
NJM2904M (IC951) : Ope amp
1.Pin layout
A OUT 1
A -IN 2
A +IN 3
GND 4
1-22
I/O
O RF amplitude adjustment control signal output pin.
O Tracking balance control signal output pin.
O APC circuit ON/OFF signal output pin. At laser on,high impedance with
UHS="L" ,H output with UHS="H".
- Analog 3.3V power supply voltage pin.
O Feed equalizer output pin.
O Disc equalizer output pin.
- Digital GND pin.
- Digital 3.3V power supply voltage pin.
I Test input pin. Normally,fixed to "L".
- System clock oscillator GND pin.
I System clock oscilatoe input pin.
O System clock oscillator output pin.
- System clock oscillator 3.3V power supply voltage pin.
- DA converter GND pin.
O R-channel data forward output pin.
- DA converter 3.3V power supply pin.
- Reference voltage pin.
O L-channel data forward output pin.
- DA converter GND pin.
O 1 bit DA converter zero data detection flag output pin.
- Microcontroller interface GND pin.
I/O Microcontroller interface data I/O pins.
I Microcontroller interface clock input pin.
I Microcontroller interface chip enable signal input pin.At "L".
Bus0 to BUS3 are active.
I Reset signal input pin. At reset,"L".
- Microcontroller interface 5V power supply pin.
+
8 V
7 B OUT
6 B -IN
5 B +IN
Function
NJM2100M (IC821) : Operational Amp
A OUT 1
A
– +
A IN– 2
B
+ –
A IN+ 3
VEE 4
TC9490FA(3/3)
8 VCC
7 B OUT
6 B IN–
5
B IN+