Harman Kardon FL8385 Service Manual page 30

FL8385
MN662790RAS1
Pin Descriptions (continued)
Pin No. Symbol
33 TE
34 RFENV
35 VDET
36 OFT
37 TRCRS
38 RFDET
39 BDO
40 LDON
41 PLLF2
42 TOFS
43 WVEL
44 ARF
45 I
REF
46 DRF
47 DSLF
48 PLLF
49 VCOF
50 AV
51 AV
52 EFM
or CK384
53 PCK
54 VCOF2
55 SUBC
56 SBCK
57 V
58 X1
59 X2
60 V
BYTCK or
61
TRVSTOP
62 CLDCK
63 FCLK
64 IPFLAG
65 FLAG
I/O
I Tracking error signal input.
I RF envelope signal input.
I Vibration detection signal input.
I Offtrack signal input.
I Track cross signal input.
I RF detection signal input.
I Dropout signal input.
O Laser ON signal output.
I/O PLL loop filter characteristic selection pin.
O Tracking offset adjustment or DSL balance output(D/A output).
O Double-speed status signal output.
I RF signal input.
I Reference current input pin.
I DSL bias pin.
I/O DSL loop filter pin.
I/O PLL loop filter pin.
I/O VCO loop filter pin.
I Power supply for analog circuits (DSL, PLL, D/A converter output, and A/D
DD2
converter).
I Ground for analog circuits (DSL, PLL, D/A converter output, and A/D
SS2
converter).
O EFM signal output. EFM output when IOSEL is "H" level.
Commands permit switching among the above three outputs.
O PLL derived clock or DSL balance output. f
or DSLB
I/O VCO loop filter pin.
O Subcode serial output.
I Serial clock input for subcode serial output.
I Ground for oscillator circuit.
SS
I Crystal oscillator circuit input/output pins. f=16.9344 MHz, 33.8688 MHz.
O Crystal oscillator circuit output/output pins. f=16.9344 MHz, 33.8688 MHz.
I Oscillator circuit power supply.
DD
When IOSEL is "H" level, byte clock signal output.
O
When IOSEL is "L" level, traverse stop signal output. "H" level: stop mode.
O Subcode frame clock signal output pin. (f
O Crystal frame clock signal output. (f
O Interpolation flag signal output. "H" level: interpolation.
O Flag signal output.
Function Description
•Crystal oscillator 16.9344-MHz clock output when I
•OSEL is "L" level.
•384 f
output from signal processing block. (During
s
variable-pitch operation, this is the VCO clock.)
PCK
CLDCK
=7.35 kHz)
FCLK
30
harman/kardon
(analog input)
(analog input)
"H" level: vibration detected.
"H" level: offtrack.
(analog input)
"L" level: detected.
"H" level: dropout.
"H" level: ON.
"H" level: double-speed.
=4.3218 MHz.
=7.35 kHz)
FL8380