Block Diagram - Changer/Video Section - Aiwa CX-BK7 Service Manual

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