SERVICE MANUAL
DVD VIDEO PLAYER
SD-K615
FILE NO. 810-200204
SD-3805
SD-2805
MAY, 2002
3-12
BLOCK DIAGRAMS
1. Overall Block Diagram
M
M
DISC
SPINDLE
MOTOR
LOADING
MOTOR
DECK MECH ANI SM
CD: A,B, E, F
DVD: A,B,C,D,
DVD; RF
CD: A,B, E, F
DVD: A,B,C,D,
DVD; RF
PICK
UP
IC203
DRAM
16bit
16M
IC201
HDC25D811B
DSP II
IC501
PANTERA
IC901
GMS812012
FL DISPLAY
KEY Input
REMOCON
RECEIVER
6MHz
X-TAL
Pb
IC301
CPLD
I/O PORT 72
IC305
SDRAM
64M
IC305
EEPROM
IC2M1
KA3031
MOTOR
DRIVER
IC2A1
HD153702TF
RF
ICDATA
[00:15]
ICADD
[0:8]
LOADING
FOCUS,TRA CK IN G,SLED
SPI ND L E
MI RR,TZC,PI,TE
FE,DFECT_ IN
RFO
SCLK,SDATA
SCOR,SQCK,SQSO
XLAT,E_STI,E_ENB,E_DR
RF_XLAT , LDON
IC401
CS4391
2DAC
XIO1,XIO2
,XIO10
F_CLK
F_OUT
PCMCLK
SPINDLE_FG
MSDATO
MDP1
FOK
DEFECT
DSP_SENSE
LOCK
E_SOUT
ZISENB
/XRST
DA C_RST
16
:9,PAL_SW,AUTO_SW,MIC_ON
Y_SEL
/A_MUTE
/DAC_CS1
/DAC_CS2
V_MUTE
DAC_CLK
DAC_OUT
ADCCLK
ACT_MUTE , LOAD_OPEN , LOAD_CLOSE
MIRR
AD[00:19]
PSEN B
FLD
/FLD_CS
FLD_CLK
FLD_OUT
/FLD_CS
COMM_CLK
COMM_OUT
CPLD
EE_CS , EE_CLK , EE _OUT
F_IN
IC306
FLASH
ROM
F_IN
/MRESET
/FLASH_CS , /RDPWE O
LA0
LA1
LA2
LA3
AD[04:19]
MD[00:31]
MCLK2
CKE
MA[00:10]
MA12,13
/CS0
/RAS
/CAS
/WE
DQM0`3
REQP
SDCLKI , PSYNC
DVD[1:7]
DSP_INT
SENSE
/DSP_CS
LRCK
DAC-CS
AOUT3
L
Composi te
FILTER
Y
Pr
SW602
Video SW
CVBS/Pr/R , C/Pb/, Y/G
Y
C
L/R
-VF
AC 120V,
60Hz
POWER
BOARD
-VF
-27VA
+8V
+5.2VA
+5V_D
+5V_A
+12V_A
+3.3V_M
AD[0:7]
LADD4~5 , LA0~3
AD[00:15]
MDP,FDO,TDO,FMO,MON
OPEN_SW
CLOSE_SW
LIMIT_SW
CPLD
SBA D D ,
27MHz
X-TAL
33.8688MHz
X-TAL
+3.3V
+3.3V_MI
POWER_CTL
/SRST
R
AMP
3-13
2. Power(SMPS) Block Diagram
5V_D
5V_A
-27VA
VF+
RECTI FIER
LINE FILTER
SWITCHING TR
TRANS
FEED B.
REG(8V)
8V
5.2VA
VF-
RECTIFIER(FLD)
RECTIFIER(9V)
RECTIFIER(5.2V)
LPF
LPF
RECTIFIER(14V)
LPF
12V_A
AC120V
PWR ON/OFF
REG(3.3V)
REG(3.3V)
3.3V_MI, 3.3V
3.3V,3.3V_M
RECTIFIER(3.8V) LPF
REG
(12V)
3-14
88
SENS, FOK, SLD_FG,
MSDAT0, DEFECT,DSP_SENSE
IC2M1
KA3031
SpindleMotor,LoadingMotor ,
Actuator Driver
CD: A,B,C,D / E, F
44
44
MIRR,TZC
88
55
33
33
SQSO, SQCK,
SCOR
SCOR
66
XLAT, S_CLK, S_DATA
UCOM
I/F
focus, tracking, loading, sled
Spindle
M/D
PICK
UP
MCK
IC201
HDC25D811B
CD / DVD DSP
DVD SERVO
IC2A1
HD153702TF
RF Signal
Processor
FDO,TDO,FMO
Load open/close(loading control)
UCOM
I/F
DVD: A,B,C,D,
FE,TE,PI,SBADD
44
DVD/CD RF
IC203
SDRAM
16
9
ICADDR[0:8]
ICDATA[00:15]
DO[0:7]
AO[0:5]
DVD_DATA[0:7]
MON,MDP
SPINDLE_FG
MPEG
I/F
22
DSP_CS, /WR, /RD33
88
3. RF/CD DSP/DVD DSP/DVD SERVO Block Diagram
3-15
4. Audio Block Diagram
IC401
CS4391
Audio DAC
IC402
LPF & Buffer
NJM4580D
OP AMP
L
R
U-COM
I/F
A_0WT3
/SRST
DAC
COMM_DATA
COMM_CLK
DAC_CS
LRCK
DA_BCK
DA_XCK
L
R
MPEG
I/F
3-16
5. MPEG Block Diagram
IC501
PANTERA
IC301
CPLD
I/O PORT 72
IC305
SDRAM
64M
IC502
EEPROM
IC3F1
FLASH
MEMORY
AD[0:7] 8
DSP
I/F
DVD[0:7]
8
LA[0:3]
4
SCLK,SDATA
SQCK,SQS0
REQP
SDCLK1,PSYNC
DSP_INT
SENSE
/DSP_CS
AD[00:19]
RF &
MOTOR
I/F
MIRR
LDON
S
C
L
K
,
S
D
A
T
A
EE_CS
F_IN
32
MD[00:31]
MCLK2
CKE
MA[00:10]
MA12,13
/CS0
/RAS/
/CAS
/WE
/DQM[0:3]
SPINDLE_FG
LA[0:3]
4
AD[00:15]
16
AUDIO
I/F
DA_DATA
DA_BCK,DA_LRCK,DA_XCK
DAC_L0,DAC_L1
DAC_RST
A/V
JACK
I/F
C/R(B)
CVBS/G(R)
Y/B(G)
CVBS
V_MUTE,16:9
ZISENB
/RD
/PWED
3-17 3-18
NOTES) Warning
NOTES) Parts that are shaded are critical
NOTES) With respect to risk of fire or
NOTES) electricial shock.
R1A1
56(2W)
SD-3805/2805/K615
'02. 03. 19 R14140A
CIRCUIT DIAGRAM
1. POWER(SMPS) CIRCUIT DIAGRAM
NOTE :
1. Shaded( ) parts are critical for safety. Replace only
with specified part number.
2. Voltages are DC-measured with a digital voltmeter
during Play mode.
Oscillation abnormal
Digitron no Power
3.3V line dead.
No Power
8V line dead
5V_A/5V_D, No Power
No Power
3-19 3-20
5 6
Spindle Servo Loop
RF SIGNAL
Focus Servo Loop
Tracking Servo Loop
Sled Servo Loop
WAVEFORM
D201
D202
R284
R283
SD-3805/2805/K615
'02. 03. 19 R14135A
2. DVD DSP CIRCUIT DIAGRAM
DVD/CD picture
audio abnormal
µ-com
Interface adress
CD/DVD picture
audio abnormal
Focus Servo
fail
Tracking
Servo fail
Scratched
Disc abnormal
Sled Servo fail
DRAM Control
Disc Detect
Error
Spindle Servo fail
3-21 3-22
3. DRIVE & RF CIRCUIT DIAGRAM
4
18
19
20
21
1
6
2
3
21
18
20
19
WAVEFORM
Spindle Servo Loop
Turn Table Loop
Focus Servo Loop
Tracking Servo Loop
Sled Servo Loop
SD-3805/2805/K615
R2R3
R2R1 0
R2R4
'02. 03. 19 R14133A
Turntable
not operate
DVD laser
not operate
CD laser
not operate
Tray Loading
Speed control
Turn table
speed control
Actuator spindle
sled not operate
CD laser
not operate
Tracking Servo fail
Servo fail
Focus
Servo fail
3-23 3-24
10
7
9
13
8
11
12
WAVEFORM
OPTICAL/COAXITAL OUT
Y/Pb/Pr(Component)
Y.c(S-VHS)
Audio L/R OUT
CVBS
SD-3805/2805/K615
HB
150
'02. 03. 19 R14134A
4. PANTERA CIRCUIT DIAGRAM
No Power on
No Power 1.8V
Audiuo DAC Interface
System not operate
System not working or
Digitron not display.
Not memoried setup
menu
3-25 3-26
• WAVEFORMS
IC2A1 Pin 42, Focus Error IC2A1 Pin 41
Tracking Error
IC501 Pin 114
Component Y
IC2A1 Pin 41
VBR TRACKING Error
IC2A1 Pin 57,
RF
IC201 Pin 88, SLED Drive(FMO)
IC2A1 Pin42, Focus Error(in Focus Search)
IC201 Pin 83, Focus Drive(FDO)
IC501 Pin 118, Composite IC501 Pin 112, Chrominance
(Super video out Mode)
Tek
Stop :
2.50MS/s
4 Acqs
M20.0µs
2 Apr 1999
14:47:27
Glitch
Ch1
Ch3
500mV
[T ]
T
3
IC501 Pin 114, Luminance
(Super video out Mode)
Tek
Stop :
1 00kS/s
3290 Acqs
M 500µs
CH1
280/mV
Edge Slope
Type
<Edge>
Source
Ch1
Coupling
DC
Level
280mV
Mode
&
Holdoff
3
Ch3
1.00V
[ T ][ T ]
Slope
T
IC501 Pin 99,
PANTER MAIN
IC501 Pin 112
Component Pb
IC501 Pin 110
Component Pr
TURN(+)(-) from Motor Drive
Reverse turn, IC301 6, 8
Sensor 1 (disc position)
Sensor 2 (disc ready),
IC301 78,89
TURN(+)(-) Signal from µ-com
TE/TZC After tracking
servo ON (Play mode),
IC2A1 36, IC2A4 7
TURN(+)(-) from Motor Drive
Forward turn
TE/TZC Before tracking
servo ON
TZC/MIRR (Search mode)
IC2A4 7, IC2A1 27
TE/SLD(+) Search mode
(outter
& inner),
IC2A1 36, IC2M1 28
3-27 3-28
5. MEMORY CIRCUIT DIAGRAM
17
17
16
16
WAVEFORM
SD-3805/2805/K615
'02. 03. 19 R14136A
4.7K
Program download fail
Digitron abnormal
Not power on
Not memoried
setup Menu
“No Disc” display
Tray not open/close
Tray not closed
Digitron all not display and
system not operate
Turntable
not operating
Pick-up not initial
operating
Disc number
detect error
3-29 3-30
6. TIMER & KEY CIRCUIT DIAGRAM
*OPTION A
*OPTION B
0.1µF
SD-3805/2805/K615
SD-3805
OPTION A
OPTION B
O
MENU
ENTER
O
MENU
ENTER
X
ZOOM
E.A.M
SW903
SW902
SD-2805 SD-K615
'02. 03. 19 R14138B
System not
operate
System not
operate
Remocon
not operate
3-31 3-32
7. A/V CIRCUIT DIAGRAM
SD-3805/2805/K615
'02. 03. 19 R14137B
3-33 3-34
8. JACK CIRCUIT DIAGRAM
SD-3805/2805/K615
C615
470µF/6.3V
C613
1000µF/6.3V
'02. 03. 19 R14139D
T/W
3-35 3-36
LEVEL(V)
MODE
PIN NO.
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
3.18
1.3
1.4
1.8
1.5
0
1.5
1.4
1.6
3.1
0.7
0.15
0.15
0
0
1.7
1.4
0
1.5
1.6
0
1.6
0
3.1
1.7
1.4
3.1
1.5
0.15
0
0.7
1.5
1.8
2
3.1
2.9
2.2
2.9
0
0
0
1.6
3.1
1.6
1.5
0
1.4
0
1.5
1.7
1.2
3.1
LEVEL(V)
MODE
PIN NO.
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
1.6
1.4
1.5
0
1.6
1.4
1.5
1.4
3.1
1
1.5
0.005
0.5
0.003
1.58
0
3.1
1.2
1.2
1.2
1.2
3.1
1.65
1.8
1.5
1.5
3.1
3.1
0.001
3.1
3.7
0
3.1
3.1
1.8
0.004
3.1
0
0
0
1.8
3.1
0
0
0
0
2.1
2.1
LEVEL(V)
MODE
PIN NO.
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
0
0.8
0.9
1.3
3.1
0.78
0
1.26
0.08
1.2
2
0
3.1
3.1
3.1
3.1
0
1.8
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
0
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
3.1
1.8
1.5
3.1
0
LEVEL(V)
MODE
PIN NO.
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
3.1
3.1
3.1
3.1
3.1
3.1
3.1
0
3.1
3.1
3.1
1.5
3.1
0
3.1
3.1
3.1
3.1
3.18
0.086
3
2.4
2.3
0
0
3.1
0
0.017
1.8
3.1
3.1
0
3.18
1.3
3.1
3.1
3.1
0
2.3
3.1
0.001
3.1
3.1
3.1
1.6
3.1
3.18
0.018
1.8
3.19
2.69
1.5
2.9
2.59
0
LEVEL(V)
MODE
PIN NO.
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
2.29
2.08
2.29
2.29
2.49
3.1
2.39
2.45
1.5
0
1.52
0
1.61
1.6
3.1
1.6
1.6
1.5
0
1.6
1.4
1.5
LEVEL(V)
MODE
PIN NO.
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
4.4
0
0
0
3.2
0
0
0
0
0
0
3.2
3.2
0
0
0
0
0
0
0
0
0
0
0
0
3.2
0
0
0
0
0
0
0
2.2
0
0
0
3.2
0
0
0
0
2.2
0
3.2
2.4
3.2
2.3
0
0
3.2
1.7
3.1
LEVEL(V)
MODE
PIN NO.
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
0
0
0
3.2
0
0
0
0
0
0
0
0
0
0
3.2
0
3.2
3.2
0
0
3.2
0
1.5
0
4.4
0
0
0
3.2
0
0
3.2
0
4.4
3.2
2.6
3.2
3.2
3.2
3.2
0
3
0
3.2
3.2
4.7
0
PANTERA MEMORY
IC301IC501
LEVEL(V)
MODE
PIN NO.
DSP
IC201
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
3
3
3
3
3
3
3
3
0
3.08~3.1
2.97~3.1
3~3.1
3~3.1
3~3.1
3~3.1
3~3.1
3~3.1
3.24
0.2~0.3
0.3
0.41~1
0.41~1
0.41~1
3.24
0.4~1
0.4~1
0.4~1
0.4~1
0.4~1
0.4~1
0
3~3.1
3~3.1
3~3.1
3~3.1
0
1.597
0
0
12.3mV
3.24
3.24
3.24
0.5~1.6
0.5~1.6
0.5~1.6
0.15~1
0
3.2
0
0.3~1
0.2~1
0
LEVEL(V)
MODE
PIN NO.
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
5.19
0
0
0
1.698
1.97
0
3.24
0
3.24
0
0
0
0
3.24
0
3.25
0
3.24
0
0
0.8
2mV~1.459
0.795
0.795
2.17
2.13
3.27
0
1.99
2.19
0
0
1.989
2.08
1.987
1.645
0.834
2.43
1.628
1.648
2.42
1.636
1.649
0
0
1.649
3.28
3.27
2.05
2.07
1.2~1.39
3.23
0
3.24
LEVEL(V)
MODE
PIN NO.
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
3.24
0
0
0
0
0
0
0
0
0
0
3.23
1.59~1.63
3.23
3.23
0
3.24
3.23
0
0
3.28
3.28
3.28
0
0
3.24
3.24
0
1.699
1.906
0
0
0
3.23
2.48~2.17
0
0
0
0
0
172mV
2.47~2.56
0
3.23
0
1.58~1.62
0
3.23
3.23
0
0
0
2.72
3.27
3.27
• CIRCUIT VOLTAGE CHART
3-37 3-38
LEVEL(V)
MODE
PIN NO.
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
2.08
2.15
2.16
1.636
0
2.04
0
0
3.15
3.25
3.26
3.25
0
3.24
3.24
2.27~1.97
0.22~0.18
1~1.3
0
0
0
0
3.26
1.3~1.27
3.25
1.58
1.53
1.52
0
0.52
1.5~1.6
0.63~0.68
2.7~2.8
2.7~2.8
185mV~1V
2.4~2.9
17mV~1V
17mV~1V
17mV~1V
17mV~1V
17mV~1V
2.8
1.618
3.23
3.23
LEVEL(V)
MODE
PIN NO.
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
3.1V
2.5~3.7
2
3.4
2.5
NC
NC
1.2V
2.78V
3.0~3.6
3.0~3.6
2.7V
1.9V
5.18V
5.18V
0~3.8V
0V~4V
3.3V
5.2V
0
0V
5.18V
2.2V~3.5
2.2V
3.4~3.8V
2.2~2.6
0V
5V
0.4V
4V
2.4V
2.4V
2.4~2.6V
2.4V~2.6V
2.4V~2.6V
2.4V~2.6V
2.4V
LEVEL(V)
MODE
PIN NO.
54
55
56
57
58
59
60
61
62
63
64
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
33
34
35
36
37
38
39
40
41
42
43
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
0V
0V
5V
0V
2.16
2.22
2.16
2.16
2.16
2.15
0
2.58
2.16
2.16
2.22
2.23
2.25
0
0
2.25
0
0
0
0
0
0
8
3.73
3.73
3.73
3.73
3.82
3.61
0
0
4.68
2.78
0
3.7
3.75
3.84
3.6
8.01
1.94
0~1.94
1.94
0
LEVEL(V)
MODE
PIN NO.
DEIVE&RF
IC2A1
IC2M1
44
45
46
47
48
8.01
2.16
0
7.96
2.1
3-39 3-40
PRINTED CIRCUIT DIAGRAMS
1. MAIN P.C.BOARD
LOCATIONGUIDE
(BOTTOM SIDE)
(TOP SIDE)
3-41 3-42
LOCATION GUIDE
2. AV JACK P.C.BOARD
LOCATION GUIDE
4. FRONT P.C.BOARD
LOCATION GUIDE
NOTES) Warning
NOTES) Parts that are shaded are critical
NOTES) With respect to risk of fire or
NOTES) electricial shock.
3. SMPS P.C.BOARD
MEMO MEMO
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