Samsung MAX-DN55, Service Manual

Page: 7 / 75

Reference Information
Samsung Electronics 9-5
33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9 8 7 6 5 4 3 2
Mode data3 out controlled by micom Limit switch/sled position sensor input pin0 Sled motor position sensor input pin 1 Te
st pin (L : normal H : test)
Counter clock Focus servo lock signal output pin Tr
acking servo lock signal output pin
0 : 1BIT 1 : 8BIT System reset signal input pin Micom chip select pin Micom data/address select pin Micom write clock signal input pin Micom read clock signal input pin Micom data pin 0 Micom data pin 1 Micom data pin 2 Micom data pin 3 Micom data pin 4 Micom data pin 5 Micom data pin 6 Micom data pin 7 Internal status monitor pin Servo logic & ROM VDD power supply pin System clock signal input pin System clock signal output pin Clock out (33.9688MHz) to DSP Servo logic & ROM VSS power supply pin Clock output pin for subcode data read Subcode data input pin Ti
ming detection input pin for subcode data r
ead
Motor ON signal input pin Lock signal input pin Direct jump control (for 1 track jump)
1
MDOUT3
SSTOP/PSO
PS1
TEST
COUT
FLKB TLKB
PSB
RSTB
CSB DAB
MWRB
MRDB
MDA
TA
0
MDA
TA
1
MDA
TA
2
MDA
TA
3
MDA
TA
4
MDA
TA
5
MDA
TA
6
MDA
TA
7
SENSE
DVDD
XI
XO
XOUT DVSS SQCK
SQSI
SCOR
SMON
LOCK
DIRC
FUNCTION
PIN NAME
I/O
O
I I I
O O O
I I I I I I
I/O I/O I/O I/O I/O I/O I/O I/O
O P
I
O O P O
I I I I I
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35
Focus OK signal input pin PLL frequency detect control input pin Laser diode ON signal output pin Defect Detection signal input pin Mirror signal input pin PLL hold signal from micom Servo interrupt monitor pin PLL logic block VDD power supply pin PLCK Frequency lock detect output (H : Lock L : Unlock) Latched EFM output signal PLL logic block VSS power supply pin Resistor pin for VCO GAIN Gain adjust resister for frequence detector Gain adjust resister for phase detector Control voltage for VCO Input for hysteresis control of FD output (for test) EFM offset adjustment pin Tracking zero cross output pin Servo CPU VDD power supply pin EQ control signal EFM signal for test EFM signal Asymmetric input signal for DVD Asymmetric input signal for CD RF input signal Servo CPU VSS power supply pin Analog block VSS power supply pin Spindle error input pin Reference voltage input pin Tr
acking error signal input pin
34
FOKB
FDCTL
LDONB
DFCT
MIRR
PLLHD
INTO_224
PVDD
PLCK
PLLLOCK EFMRTD
PVSS
RVCO
RFD RPD
VCTL
MAGICO
EFMOA
TZCO
SVDD
EQCTL
EFMI
EFMO
LPFDVD
LPFCD
RFI
SVSS AVSS
SME VREF
TE
FUNCTION
PIN NAME
I/O
I I
O
I I I
O P O O O P
I I I I I I
O P O
I
O
I I I
P P
I I I
72 71 70 69 68 67 66
Focus error signal input pin RF envelope input pin Tilt in (reserved) Analog block VDD power supply pin Tilt out (reserved) Depth variation control signal output pin Tracking balance signal output pin Focus balance signal output pin
65
FE
ENV TIL
TI
AVDD
TIL
TO
DVCTL
TBAL FBAL
FUNCTION
PIN NAME
I/O
I I I
P O O O O
80 79 78 77 76 75 74 73
Sled motor drive signal output pin Spindle motor drive signal output pin Focus actuator drive signal output pin Tr
acking actuator drive signal output pin
TE signal for tracking zero cross input pin Mode data 0 out controlled by micom Mode data 1 out controlled by micom Mode data 2 out controlled by micom
SLD
SPD FOD TRD
TZCA
MDOUT0 MDOUT1 MDOUT2
FUNCTION
PIN NAME
I/O
O O O O
I
O O O