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DVD-C940/DV-C6680
Q Q
3 7 6 3 1 5 1 5 0
SCHEMATIC DIAGRAM (MONO 6/10)
1
2
3
4
5
Back-end
Host Processor
A
B
C
D
E
To Diagram
F
7601
G
STi5588
H
D7
148
DATA7
T E
L
1 3 9 4 2 2 9 6 5 1 3
D6
147
DATA6
146
DATA5
D5
I
D4
145
DATA4
144
DATA3
D3
D2
143
DATA2
142
DATA1
D1
D0
141
DATA0
M4
138
RAS1n_OR_HOLDREQ
RAS1ND
3V2
M4
RWN
3V2
130
READNOTWRITE_OR_DMAACK
128
WE0n
J
BE0n_FUR
3V2
BE1n_FUR
3V2
129
WE1n
M4
139
CAS0n_OR_HOLDACK
CAS0ND
3V2
M4
CAS1ND
3V2
140
CAS1n_OR_DMAREQn
M5-191
134
CE1n
CSL_FUR
3V2
M4-130
CE1
3V2
133
CE2n
M4-131
CE_ROMN
3V
132
CE3n
CSn
K
M4
3V2
135
RAS0n_OR_CE4n
RAS0ND
M4
117
OEn
OEND
3V
M5-192
ST_CLK
1V8
118
CPU_RAM_CLK
L
M2-71
BE_DATA
16
B_DATA
0V8
M
M2-69
BE_WCLK
3V
20
B_WCLK
M2-70
BE_BCLK
17
B_BCLK
1V6
M2-76
BE_FLAG
0V
18
B_FLAG
19
B_SYNC
M2-56
BE_SYNC
0V
M2-55
BE_V4
0V
21
B_V4
22
NRSS_OUT
N
O
+3V3ST
F616
P
To
Back-end SDRAM
w w w
Q
and Service Interface
Not applied to these models
V
vtg measured in STOP MODE
1
2
3
4
5
46
6
7
8
9
10
11
*
4602
F913
+3V3ST
EMI Bus
+3V3ST
0V
SYSTEM
MEMORY interface
PORT 0 I/O
USE
uP ST20cpu
Audio
A/V/Sub
MPEG
Video
DECODER
demultiplexer
Subpicture
2
I S
SDRAM CONTROLLER
ADDRESS
DATA
SMI Bus
x
a o
6
7
8
9
10
11
.
i
http://www.xiaoyu163.com
The first digit of a component indicates the component type.
1xxx : Connector
2xxx : Capacitor
12
13
14
15
16
17
+3V3ST
+3V3ST
*
*
*
*
*
Q
Q
3
7
PORT 1 I/O
PORT 2 I/O
PORT 3 I/O
PORT 4 I/O
JTAG
Subpicture
decoder
AGNDB
u 1 6 3
y
12
13
14
15
16
17
http://www.xiaoyu163.com
2
4
8
9
9
3xxx : Resistor
5xxx : Coil
4xxx : SMD jumper
6xxx : Diode
18
19
20
21
22
23
24
*
VDDSTA
DCU TESTLANDS
+3V3ST
F601
3626
3631
3K3
F911
F604
3629
100R
3K3
3632
3630
3V2
F912
F605
3K3
100R
3633
VDDA_PCM
48
1V8
33R
VSSA_PCM
49
VDD_PLL
122
1V8
6
3
1
5
1
5
0
8
9
IRQ
VSS_PLL
123
F621
DAC_PCMOUT1
53
0V
F622
54
DAC_PCMOUT2
0V
SCLK
51
0V3
F623
AC3
PCM_OUT0
52
0V
F624
AUDIO
PCM_CLK
55
2V
F625
LPCM
DECODER
LRCLK
56
1V5
F626
MPEG1/2
SPDIF_OUT
57
1V5
F627
*
DTS
*
RES ARRAY
F628
3638-D
4
5
ADC_SCLK
103
2V2
ADC_LRCLK
104
0V3
F629
3
6
KARAOKE
ADC_DATA
105
0V3
106
ADC_PCMCLK
F630
2
7
F631
1V6
1
8
OPTION
100R
R_OUT
27
1V2
G_OUT
26
0V6
VIDEO
B_OUT
25
1V2
C_OUT
33
0V7
ENCODER
CVBS_OUT
34
0V4
Y_OUT
32
0V4
AGNDB
5602
BLM11
2638
5603
100p
BLM11
m
c o
18
19
20
21
22
23
24
.
* Components having special characteristics are marked Z and
must be replaced with parts having specifications equal to those
originally installed.
* Schematic diagram is subject to change without notice.
2
8
9
9
7xxx : IC, Transistor, FET
9xxx : Wire jumper
25
26
2601 D14
F646 M25
2603 F17
F647 F16
2604 F18
F648 F16
2605 F22
F649 F16
2606 F22
F650 F16
2607 F23
F651 F16
A
2608 F23
F652 F17
2609 G24
F653 F17
2610 G24
F654 F17
2612 J24
F655 E17
2613 J24
F656 G9
2614 J24
F900 E17
2615 M24
F901 E17
B
2616 M24
F902 E18
2617 N24
F903 E18
2618 N24
F904 E18
2619 O4
F905 E18
2620 O4
F906 E18
2621 O5
F907 E18
2622 O5
F908 D14
C
2623 O6
F909 F14
2624 O6
F911 F24
2625 O7
F912 G24
2626 P14
F913 C8
2627 P15
2628 P15
D
2629 P16
2630 P16
2631 P17
2632 P17
2633 O17
2634 P17
2635 P18
E
2636 P18
2637 Q19
2638 O24
3600-D C17
3604 D11
3605 D12
F
3606 D17
3607 D17
M8-110,
3608 D18
PCM_CeLf_FUR
M10-110
3609 H23
2609
3611 E11
M8-111,
3612 F12
22p
PCM_LsRs_FUR
M10-111
3613 E12
G
2610
3614 E17
3616-D F16
22p
3621 F18
M7-112,
3649
PCM_CLK_ST
M9-112
3622 E14
3623 E14
0R1
3624 F20
LRCLK_FUR
M8-188
3625 F14
H
3626 F21
PCM_LeRi_FUR
M8-189
3627 G9
SCLK_FUR
M8-190
3628 F9
3629 F21
2
4
9
8
3630 G21
2
9
9
3631 F23
3632 G23
I
SCLK0
M7-113
3633 G24
3634 I24
PCMOUT0
M7-114
3635 I24
3636 I24
3638-D K23
SPDIF
M7-116
3642 O20
J
3643 O21
3644 O20
3645 P20
3646 P21
3647 P13
3648 F12
3649 G24
KOKSCLK
M7-117
K
4600 F14
4602 C8
KOKLRCLK
M7-118
4605 C14
M7-119
KOKDATA
4606 D14
4607 C19
M7-120
KOKPCMCLK
4608 C19
F641
M7-121
5600 E23
R_OUT
L
F642
G_OUT
M7-122
5601 E22
F643
M7-123
B_OUT
5602 O18
F644
C_OUT
M7-124
5603 P18
F645
M7-125
CVBS_OUT
7601 G2
F646
Y_OUT
M7-126
F601 F20
F602 F11
M
F603 F12
F604 F20
F605 G20
F606 G22
F607 G23
F608 D11
F609 D12
N
F610 O20
F611 O20
F612 O20
F613 O21
F614 P18
F615 P18
F616 P4
O
F617 E14
F621 I22
F622 J22
F623 J22
F624 J22
AGNDS
F625 J22
P
F626 J22
F627 J22
F628 K23
F629 K23
F630 K23
F631 L23
F637 E14
Q
F641 L25
F642 L25
F643 L25
F644 L25
F645 L25
25
26
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