Samsung DVD-739, Руководство по обслуживанию

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Reference Information
Samsung Electronics 2-3
17 16 15 14 13 12 11 10
9 8 7 6 5 4 3 2
CD optical main beam A AC coupling input port for RF CD optical main beam B AC coupling input port for RF CD optical main beam C AC coupling input port for RF CD optical main beam D AC coupling input port for RF DVD optical main beam A AC coupling input port for RF DVD optical main beam B AC coupling input port for RF DVD optical main beam C AC coupling input port for RF DVD optical main beam D AC coupling input port for RF RF AMP I/O buffer bias resistance connection port RF EQ bias resistance connection port Analog block bias resistance connection port CAP connection port for RF EQ center voltage CD optical sub beam E input port for SERVO CD optical sub beam F input port for SERVO DVD optical main beam A input port for SERVO DVD optical main beam B input port for SERVO DVD optical main beam C input port for SERVO
1
ACD
BCD CCD
DCD
ADVD
BDVD CDVD
DDVD
RREFBF RREFEQ
RREF
VREFEQ
E
F
ADVD1 BDVD1 CDVD1
FUNCTION
PIN NAME
I/O
I I I I I I I I
- -
O
I I I I I
-
38 37 36 35 34
FE Input port for AMP GAIN setting Input port for TE AMP GAIN setting TE AMP output port Bias resistance port for PDLIMIT Input port for ABCD AMP GAIN setting
FEN TEN
TE
PDLIMTRES
ABCDN
FUNCTION
PIN NAME
I/O
I I
O
- I
28 27 26 25 24 23 22 21 20 19
DVD optical main beam D input port for SERVO CD optical main beam F input port for SERVO CD optical main beam F input port for SERVO CD optical main beam F input port for SERVO CD optical main beam F input port for SERVO Power voltage input port for analog part CAP connection port for analog part center voltage, Use at other block CAP connection port for focus auto offset (OPEN) ON/OFF connection port for auto offset block (L : auto offset adjustment H : serial offset adjustment) BANDGAP voltage input port for ALPC DVD optical laser diode driving voltage output port
18
DDVD1
ACD1 BCD1 CCD1 DCD1 AVCC
VREF
A
FOFST
OFSTHOLD
VREFLP_BGI
LDODVD
I I I I I
-/O
O
I
O
I
P
32 31 30 29
DVD optical laser monitor diode voltage input port CD optical laser diode driving voltage output port CD optical laser monitor diode voltage input port Power GND port for analog part
PDDVD
LDOCD
PDCD
AGND
I
O
I
P
33
FE AMP output port
FE
O
ABCD AC coupling input port for SERVO monitor
ABCDI
I
48 47 46 45 44 43 42 41 40
ABCD AMP output port Peak hold time constant setting RC connection port for RF envelope detect Bottom hold time constant setting RC connection port for RF envelope detect RF envelope detect output port Power GND input port for digital circuit Focus OK comparing level input port Focus OK comparator output port (L: FOCUS OK) Peak hold time constant connection port SERVO defect max. time setting Peak hold time constant connection port PLL defect min. time setting
39
ABCD ENVP ENVB
ENV
DGND FOKTH
FOKB
DFCT_CP1 DFCT_CP2
O
- -
O
I
O
- -
P
62 61 60 59 58 57 56 55 54 53 52 51 50 49
Output port of peak detector for defect AC coupling input port for defect Power voltage input port for digital circuit Resistance connection port for PLL defect comparat- ing level setting Resistance connection port for SERVO defect com- parating level setting Defect output port for SERVO Defect output port for PLL Power voltage input port for DPD TE Mirror output port BCA output port Resistance connection port for 3BTE offset DPD EQ (A+C) output port DPD EQ (B+D) output port DPD defect waveform output port (MONITOR)
CC1 CC2
DVCC
DVCTTH2
DFCTTH1
DFCT1 DFCT2
DPDVCC
MIRR
BCA
TE3OFST
DPDEQ1 DPDEQ2
FAUL
TOUT
O P
- - I
O O P O O
-
O O O
64
DPD TE MUTE control port (H : MUTE) DPD TE PLL variable input port
63
DPDMUTE
PLLCTL
I I
FUNCTION
PIN NAME
I/O
FUNCTION
PIN NAME
I/O
87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65
DPD TE PLL variable bias resistance
Power GND input port for DPD TE CAP connection port for DPD TE center Bias resistance connection port for delta block Data input port Clock input port Data enable input port OSC time constant input port for auto offset block Reset input port for auto offset block (L : RESET) BCA FIL
TER1
BCA FIL
TER2
RF ripple center voltage output port for mirror Bottom hold time constant RC connection port for RFCT generation Peak hold time constant RC connection port for RFCT generation RF ripple AMP output port for mirror RF ripple AMP GAIN input port for mirror RF ripple offset control port for mirror Bottom hold time constant RC connection port for RFCT generation Peak hold time constant RC connection port for RFCT generation Input port for MIRR signal generation Power voltage input port for RF EQ RF EQ output port BCA comparating level control port
TE1RES
DPDGND VREFDPD
RREFDL
Y
DA
TA
CLOCK
STB
OSC
RESET
BCAI
BCAO
RFCT
CB2 CP2
RFRP
RFRPN
MROFST
CB1 CP1
MIRRI
EQVCC RFEQO BCA
TH
I P
O
- I I I I I
O O
- -
O
I I - - I P
O
I
91 90 89
RF
AGCO input port for RF EQ
RF AGC AMP output port AGC time constant CAP connection port When AGC is “HOLD”, AGC voltage input port
88
EQIN
RF
AGCO
AGCC
AGCI
I
O
- I
95 94 93 92
Power GND input port for RF EQ
AGC level control voltage input port RF bottom hold time constant RC connection port for RF AGC RF peak hold time constant RC connection port for RF AGC
EQGND
AGCLEVEL
AGCB
AGCP
P I - -
100
99 98 97 96
Bias resistance connection port for RF EQ frequency setting RF EQ boost gain control voltage input port RF EQ peak frequency control voltage input port RF EQ boost, peak frequency gain control port corre- sponding to wideband PLL (PLLG. PLLF resistance internal design) RF EQ control port (When No. PLLG isn’
t adjusted,
apply DC CTL voltage.)
RDPF
EQG EQF
PLLGF
VZOCTL
- I I I I