Read Sony BMZ-K7D / CX-BK7 Service Manual online
CX-BK7
39
39
7-2.
BLOCK DIAGRAM – CHANGER/VIDEO Section –
VIDEO OUT
J502
S-VIDEO OUT
J510
• SIGNAL PATH
: VIDEO
: Y
: CHROMA
: COMPONENT VIDEO
DVD SYSTEM PROCESSOR
IC207
131
VDAC_0
150
DATA0 (DM)
151
DATA1 (FLR)
WIDE SWITCH
Q801, 802
183 SDCLK
179 SDEN
179 SDEN
XSAK
182 SDERROR
139 XIN
110 MREQ
SDEF
178 SDREQ
XSRQ
XDCK
SDDATA0 – SDDATA7
177 –174, 171 –168
SD0 – SD7
B
(Page 38)
27M
D
(Page 38)
XDCK, XSAC,
SDEF, XSRQ
SDEF, XSRQ
156 IEC958
C
(Page 38)
128
VDAC_1
125
VDAC_2
VIDEO SWITCH, 75
Ω DRIVER
IC802
2
SW1
EEPROM
IC204
MECHANISM CONTROLLER
IC901 (2/2)
5 DI
6 DO
3
CS
4 SK
4
SW2
J511
1
2
3
4
SWITCHING
IC902
SWITCHING
IC904
CE
WE
OE
BUS INTERFACE
IC216
PROGRAM ROM
IC206
1D1 – 1D10, 2D1 – 2D6
55, 54, 52, 51,49 – 47,
45 – 40, 38 – 36
57 – 60, 64 – 71, 75 – 78,
81 – 84, 88 – 95, 99 – 102
25 – 27,
60 – 66, 24, 21
1Q1 – 1Q10, 2Q1 – 2Q9
HA1 – HA3
HAD0 – HAD15
2, 3, 5, 6, 8 – 10, 12 – 17,
19 – 21, 23, 24, 26
DATA & ADDRESS BUS
DATA & ADDRESS BUS
22, 19 – 14, 11 – 3
2, 207, 206
2D7 – 2D9
HAD0 – HAD15
HA1 – HA3
HAD0 – HAD15
HA1 – HA3
HAD0 – HAD15
HA1 – HA3
34, 33, 31
26
CE
WE
28
OE
11
A3 – A21
195
HCS0
WEH.UDS
27
HREAD
25
A0 – A2
25 – 23
DQ0 – DQ15
29 – 36, 38 – 45
22 – 18, 8 – 1,48,
17, 16, 9, 10, 13
WE
128Mbit SD-RAM
IC203
DQ0 – DQ31
A0 – A9,
A10/AP, NC
MD0 – MD31
CS
WE
RAS
52
MCAS
18
CAS
51
MRAS
19
53
MWE
17
49
MCS0
20
56
MCLK
68
CLK
47
BA1
23
BS1
48
BA0
190
ALE
191
RST_SPC
162
CS (ZIVA_E2P)
165
WRITE_CTRL (ZIVA_E2P)
116
HIRQ2
22
BS0
56
1LE
29
2LE
37
DRVRDY
38
RST
32
CS_ZIVA
8
1
188
DRVRDY
36
DRVIRQ
184
HIRQ1
35
SCK_ZIVA
185
DRVCLK
33
SI_ZIVA
187
DRVRX
34
SO_ZIVA
186
DRVTX
79
I2C_SCL
160
I2C CL
78
I2C_SIO
161
I2C DA
OE
CE
COMPONENT
VIDEO OUT
DIGITAL OUT
OPTICAL
Y
P
B
/C
B
P
R
/C
R
MONITOR
DOUT
A
(Page 38)
122
VDAC_3
119
VDAC_4
VIDEO AMP, 75
Ω DRIVER
IC801
4 V IN
1 VIN1
3 VIN2
2 C IN
6 Y IN
12 CY IN
14 CB IN
16 CR IN
30
V OUTA
7
VOUT
31
V OUTB
33
C-OUT
27
Y OUTA
28
Y OUTB
24
CY OUTA
25
CY OUTB
21
CB OUTA
22
CB OUTB
18
CR OUTA
19
CR OUTB
LINE IN
VIDEO
J701 (1/2)
3
MUTE1
15
MUTE2
SW2
H
(Page 40)
SW1
I
(Page 40)
107
VS
MDQM0 – MDQM3
DQM0 – DQM3
62, 73, 86, 97
16, 71, 28, 59
MA0 – MA11
42 – 33, 45, 46
BUFFER
Q202
WC
R/B
SWITCHING
IC252
109
CDSEL
OPTICAL
TRANSCEIVER
IC604
STOCKER MOTOR DRIVE
IC721
M761
(STOCKER)
S702
ROTARY ENCODER
(STOCKER POSITION)
S711 (DISC INSERT (8/12cm))
S711 (ON : When disc insert)
S713 (ON : Play position)
S714 (ON : Play position (8cm disc only))
S715 (ON : When disc out from play position)
S717
S718 (OFF: In the Midst disc is moving between play position and stocker)
In the midst disc is moving between play position and stocker
ON : disc is play position side, OFF : disc is stocker side
ON : disc is play position side, OFF : disc is stocker side
S716 (ON : The moment disc in/out from stocker)
DISC INSERT
DETECT SENSOR
IC751
(AEP, UK, CIS)
2,4,5,7,8,10,11,13,74,76,77,79,
82,83,85,31,33,34,36,37,39,40,
82,83,85,31,33,34,36,37,39,40,
42,45,47,48,50,51,53,54,56
SWITCH
Q904
D+3.3V
37
I2C_DATA
56
MUTE_REQ
7
FIN
202 RESET
57
SYS_RESET
59
VIDEO_MUTE2
58
VIDEO_MUTE1
SWITCH
Q903
D+3.3V
38
I2C_CLK
82
I-SW1-A
75 O-ELV_POS
4 OUT1
5 OUT2
5 OUT2
9
FIN
87 O-ELV_NEG
ROLLER MOTOR DRIVE
IC711
M781
(ROLLER)
7
FIN
85 O-LOD_POS
4 OUT1
5 OUT2
5 OUT2
9
FIN
77 O-LOD_NEG
MODE MOTOR DRIVE
IC701
M771
(MODE)
7
FIN
76 O-SLD_POS
4 OUT1
5 OUT2
5 OUT2
9
FIN
86 O-SLD_NEG
1
90 I-ELV_E0
2
69 I-ELV_E1
3
67 I-ELV_E2
4
68 I-ELV_E3
G
S771
ROTARY ENCODER
(MODE)
1
88 I-SLD_E0
2
73 I-SLD_E1
3
89 I-SLD_E2
81 I-D_SENSOR
4
70 I-SLD_E3
G
LEVEL SHIFT
Q731
S713 (DISC IN (8/12cm))
79
I-SW2-A
S714 (DISC IN (8cm))
83
I-SW2-B
S715 (DISC OUT)
80
I-SW3
S716 (STOCKER IN/OUT)
78
I-SW4
S717 (DISC POSITION)
84
I-SW5-A
S718 (STOCKING)
74
I-SW5-B
M
M
M
SYSTEM CONTROLLER
IC901 (1/3)
: CD PLAY (DIGITAL OUT)
: DVD PLAY
DM, FLR, SLR, CSW
E
(Page 40)
XCK, BCK, LRCK
F
(Page 40)
MD, MC, ML
G
(Page 40)
FLR
DM
154
DATA (SLR)
SLR
155
DATA (CSW)
CSW
147
XCK
XCK
149
BCK
BCK
148
LRCK
LRCK
113
MDI
MD
114
MC
MC
115
ML
ML
: LINE IN (VIDEO)
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