Samsung DVD-907, Service Manual, Page: 18 / 146

IC Descriptions
6-7 Samsung Electronics
Amplifier (for low pass filter)output
TEST0
/HSO
/UHSO
EMPH
LRCK
V
SS
BCK
AOUT
DOUT
MBOV
IPF
SBOK
CLCK
V
DD
V
SS
DATA
SFSY
SBSY
SPCK
SPDA
COFS
MONIT
VDD
TESIO0
P2V
REF
SPDO
POOS
PDO
TMAXS
TMAX
LPFN
LPFO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
For test mode
Playback speed mode flag ouput
Playback speed mode flag output
Emphasis flag output of sub-code Q
data(H:emphasis ON,L:emphasis OFF)
Channel clock(44.1kHz)output
Digital ground
Bit clock(1.4122MHz) output
Audio data output
Digital Out output
Buffer memory over signal output
Compensation flag output
CRCC judging result output of sub-code Q
data(result OK:H)
Clock I/O
(for sub-code P to W data reading)
D power supply
Digital ground
Sub-code P to W data output
Playback system frame synchronous signal
output or Servo system internal register data
Read clock output
Sub-code block synchronous output or
Servo system internal register data latch pulse
output
Processor status signal Read clock
(176.4kHz)output
Processor status signal output
Correction system frame clock(7.35khz) output
LSI internal signal monitor output
D power supply
Test I/O
2VREF terminal for PLL system
VCO center frequency shift output
Phase difference signal output between
EFM signal and PLCK signal
(at 8 times speed operation)
Phase difference signal output between EFM
signal and PLCK signal
TMAX detection result output
TMAX detection result output
Amplifier (for low pass filter)
inverting input
Wide use I/O port
PV
REF
VCO
REF
VCOF
AV
SS
SLCO
RFI
AV
DD
RFCT
RFZI
RFRP
FEI
SBAD
TSIN
TEI
TEZI
FOO
TRO
V
REF
RFGC
TEBC
FMO
FVO
DMO
2V
REF
SEL
FLGA
FLGB
FLGC
FLGD
V
DD
V
SS
IO0(FMOP)
IO1(FMON)
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
VREF terminal for PLL system
VCO center frequency reference level
Filter terminal for VCO
Analog system ground
Data slice level making DAC output
RF signal input
Analog system power supply
RFRT signal center level input
RFRT zero cross input
RF ripply signal input
Focus error signal input
Sub-beam addition signal input
Input terminal
(in case of tracking of mode)
Tracking error input
Input for tracking error, zero cross
Focus equalizer output
Tracking equalizer output
Analog reference power supply
RF amplitude adjustment control signal output
Tracking balance control signal output
Feed equalizer output
Speed error signal of feed search EQ output
Disc equalizer output
Analog reference power sypply (2x V
REF
)
APC circuit ON/OFF signal output
External floag output
(for monitoring internal signal)
External floag output
(for monitoring internal signal)
External floag output
(for monitoring internal signal)
External floag output
(for monitoring internal signal)
D power supply
Digital ground
Wide use I/O port
NAME FUNCTION PIN NAME FUNCTION PIN
PIN ASSIGNMENT