JVC KD-SH77R Service Manual page 21

2. Pin function (2/2)
No. Symbol
I/O
26 RFCT I
27 RFZI I
28 RFRP I
29 FEI I
30 SBADTEI I
31 TEI I
32 TEZI I
33 FOO O
34 TRO O
35 VREF -
36 RFGC O
37 TEBC O
38 SEL O
39 AVDD3 -
40 FMO O
41 DMO O
42 VSS3 -
43 VDD3 -
44 TESIN I
45 XVSS3 -
46 XI I
47 XO O
48 XVDD3 -
49 DVSS3 -
50 RO O
51 DVDD3 -
52 DVR -
53 LO O
54 DVSS3 -
55 ZDET O
56 VSS5 -
57 BUS0 I/O
58 BUS1 I/O
59 BUS2 I/O
60 BUS3 I/O
61 BUCK I
62 /CCE I
63 /RST I
64 VDD5 -
RFRP signal center level input pin.
RFRP signal zero-cross input pin.
RF ripple signal input pin.
Focus error signal input pin.
Sub-beam adder signal input pin.
Tracking error input pin. Inputs when tracking servo is on.
Tracking error signal zero-cross input pin.
Focus equalizer output pin.
Tracking equalizer output pin.
Analog reference power supply voltage pin.
RF amplitude adjustment control signal output pin.
Tracking barance control signal output pin.
APC circuit ON/OFF signal output pin.
Analog 3.3V power supply voltage pin.
Feed equalizer output pin.
Disc equalizer output pin.
Digital GND pin.
Digital 3.3V power supply voltage pin.
Test input pin.
System clock oscillator GND pin.
System clock oscillator input pin.
System clock oscillator output pin.
System clock oscillator 3.3V power supply voltage pin.
DA converter GND pin.
R-channel data foward output pin.
DA converter 3.3V power supply pin.
Reference voltage pin.
L-channel data forward output pin.
DC converter GND pin.
1 bit DA converter zero data detection flag output pin.
Microcontroller interface GND pin.
Microcontroller interface data I/O pins.
Microcontroller interface data I/O pins.
Microcontroller interface data I/O pins.
Microcontroller interface data I/O pins.
Microcontroller interface clock input pin.
Microcontroller interface chip enable signal input pin.
Reset signal input pin.
Microcontroller interface 5V power supply pin.
Function
KD-SH77R/KD-SH55R
1-21