Diagrams; Block Diagram - Servo/Video Section - Sony MEX-DV1000 Service Manual

MEX-DV1000/DV2000
SECTION 5

DIAGRAMS

5-1. BLOCK DIAGRAM – SERVO/VIDEO Section –
OPTICAL PICK-UP BLOCK
KHS-360A
RF+
RF–
A
B
C
D
A+5V
RV2
E SIGNAL
OFFSET
COMPARATOR
E IC2 (1/2)
A+5V
RV1
F SIGNAL
OFFSET
COMPARATOR
F IC2 (2/2)
AUTOMATIC POWER
LD (DVD) CONTROL (FOR DVD)
Q5
Q12
AUTOMATIC POWER
LD (CD) CONTROL (FOR CD)
Q3
Q11
PD
VC
VC
LIMIT SWITCH
GSW
MSW
DVD ON SWITCH
VR (DVD)
Q4
Q1
CD ON SWITCH
VR (CD)
Q2
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC1
FCS+ 35 VO1+
IN1 42
FCS– 34 VO1–
TRK+ 31 VO2–
IN2 43
TRK– 32 VO2+
SLED MOTOR A+ 29 VO3+
IN3 44
SLED MOTOR A– 28 VO3–
SLED MOTOR B+ 26 VO4+
IN4 45
SLED MOTOR B– 25 VO4–
COIL U 10 U1
11 U2
COIL V 6 V1
INSP 46
7 V2
COIL W 2 W1
3 W2
HALL U+ (H1+) 14 HU+
HALL U– (H1–) 15 HU–
HALL V+ (H2+) 16 HV+
FG 47
HALL V– (H2–) 17 HV–
HALL W+ (H3+) 18 HW+
HALL W– (H3–) 19 HW–
HALL_BAIS– 13 HB STBY 24
MEX-DV1000/DV2000
DVD PROCESSOR D/A CONVERTER
IC4 IC6
193 RFP
194 RFN
196 A
198 B
201 C AMCLK 134 5 SCK
203 D ABCLK 132 7 BCK
ALRCLK 131 8 LRCK
IDGPCIO0 125 4 MD/SDA
ICGPCIO0 124 3 MC/SCL
AIN2 130 2 MS/ADR
206 E
AMUTE 138
A/D CONVERTER
IC7
AIN1 136 12 DOUT
208 F
15 SCIK
11 BCK
10 LRCK
215 DVD_LD
VIDEO AMP
IC701
214 CD_LD DAC6 (CVBS) 181 4 VIN
MUTE
1
213 DVD_MD
212 CD_MD
VIDEO AMP
IC702
209 VC
4 VIN
137 HOME
221 OP_GAIN MUTE
222 CD_DVD 1
XO 159
X1
27MHz
XIN 160
SD-RAM
IC10
238 FO_DRV
DQ0 – DQ15
A0 – A11
2, 4, 5, 7, 8, 10,
231 TR_DRV 23 – 26,
11, 13, 42, 44, 45,
29 – 34, 22, 35
47, 48, 50, 51, 53
237 STA
236 STB
234 SP_DRV
120, 118, 115, 112,
77, 75, 72, 70,
108, 105, 102, 100
69, 71, 73, 76,
98, 101, 104, 106,
79, 83, 81, 85
110, 114, 116, 119
RAMADD0 – RAMADD11
RAMDAT0 – RAMDAT15
246 FG
244 DRV_XSTBY
FL
VO5 FL 20
VO6 FR 19 R-CH
LS
VO3 LS 22
VO4 RS 21 R-CH
CEN
VO1 C 27
SUB
VO2 W 26
ZERO2 28
AIN_L
VINL 1
VINR 2 R-CH
(DV1000)
CN302 (1/4)
VIDEO OUT
6
VOUT 2
FRONT VIDEO OUT
VMUTE_F
8
VOUT 2 REAR VIDEO OUT
VMUTE_R
DQ0 – DQ14,
DQ15/A-1
A0 – A20
29, 31, 33, 35, 38,
25 – 18, 8 – 1,
20 21 38 37 19 18 17 16 39 15
40, 42, 44, 30, 32, 34,
48, 17, 16, 9, 10
36, 39, 41, 43, 45
58, 57, 55, 54, 52,
51, 46, 42, 36, 33,
49, 47, 45, 26, 24,
87 86 96 64 89 90 91 93 94 28, 25, 20, 48, 44, 39,
22, 19, 17 – 15, 13,
35, 31, 27, 23, 18
14, 43, 40, 37, 29
MEMDAT0 – MEMDAT15
MEMADD0 – MEMADD20
18 18
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: DVD/CD PLAY (AUDIO)
: DVD/CD PLAY (VIDEO)
VMUTE_F
VMUTE_R
SW1
(CHUCKING END)
SW2
(SELF)
SW3
(DISC IN)
+5.5V
REGULATOR
IC103
D101 D102
LOADING
M1
M
MOTOR DRIVE
(LOADING)
IC102
(DV2000)
FLASH MEMORY
IC11
11 28 26 12
SWITCHING
IC9
MEMADD0
5 6 D+3.3V
MEMADD1
2 1
7 3 BUFFER
IC8
32 53 56 11 157
DUPRD1 241
DUPTD1 242
EN 248
REQ 247
FL, LS, CEN, SUB, AIN_L
A
(Page 19)
A_MUTE
B
(Page 19)
SYSTEM CONTROLLER
IC501 (1/3)
75 Z_MUTE
54 A_MUTE
56 VMUTE_F
55 VMUTE_R
53 DSW
51 SELFSW
52 INSW
B/U B+
71 LOAD
72 EJECT
50 M_RESET
33 MSTR-TX
34 MSTR-RX
37 M_CTS
36 M_RTS