Diagrams; Block Diagram - Servo Section - Sony MEX-R5 Service Manual

MEX-R5
SECTION 5
Q Q
3 7 6 3 1 5 1 5 0

DIAGRAMS

5-1. BLOCK DIAGRAM – SERVO Section –
OPTICAL PICK-UP BLOCK
KHS-340B
RFP
RFN
A
B
C
D
A +5V
RV2
E SIGNAL
COMPARATOR
E IC4 (1/2)
A +5V
RV1
F SIGNAL
COMPARATOR
IC4 (2/2)
F
AUTOMATIC POWER
LD DVD CONTROL (FOR DVD)
Q1
AUTOMATIC POWER
LD CD CONTROL (FOR CD)
Q5
PD
VC
VC
LIMIT SWITCH
T E
L 1 3 9 4 2 2 9 6 5 1 3
GAIN SW
MODE SW
DVD ON SWITCH
VR DVD
Q4
CD ON SWITCH
VR CD
Q3
Q2
FCS+ 35 VO1+
FCS– 34 VO1–
TRK+ 31 VO2–
TRK– 32 VO2+
SLED MOTOR A+ 29 VO3+
SLED MOTOR A– 28 VO3–
SLED MOTOR B+ 26 VO4+
SLED MOTOR B– 25 VO4–
10 U1
COIL U
11 U2
COIL V 6 V1
7 V2
COIL W 2 W1
3 W2
HALL U+ (H1+) 14 HU+
HALL U– (H1–) 15 HU–
HALL V+ (H2+) 16 HV+
HV–
HALL V– (H2–) 17
HALL W+ (H3+) 18 HW+
HALL W– (H3–) 19 HW–
HALL_BAIS– 13 HB
w w w
MEX-R5
DVD
ANALOG FRONT-END
IC1
2 RFIP
RFAC 11 14 RF AC
1 RFIN
PE 38 32 PI
54 MA
FE 39 29 FE
53 MB
TE 36 30 TE
52 MC
TEIN 33 13 TZC
51 MD
SIGM 35 33 AMPMNT
SDATA 30 7 SDT
58 TRP
SCLK 29 8 SCK
SDEN 31 6 SEN
DFT 26 10 DEFCT
MIRR 25 9 MIRR
57 TRN
44 LDDVD
43 PDDVD
41 LDCD
40 PDCD
XRST 28 214 RF_RST
46 VREF
LMT_SW
47
210 GAINSW
215 CD/DVD
COIL/MOTOR DRIVE
IC2
IN1 42 39 FSCON
IN2 43 41 TSCON
31 SE
IN3 44 40 STA
IN4 45 38 STB
3 SPWM1
COMPARATOR
INSP 46
IC11 4 SPWM2
FG 47 5 FG
RESET SIGNAL
STBY 24 GENERATOR
x a o
IC3
y
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DVD PROCESSOR
IC6
PA0 129
CN601
1
DIGITAL
SPDIFOUT0 203
OUTPUT
D/A CONVERTER
IC302
DOWNMIX 202 2 DATA OUTL 7
DACCLK 206 16 SCK VCOM 10
LRCLK 205 3 LRCK
DOCLK 207 1 BCK OUTR
MD 143 13 MD
MC 144 14 MC
ZEROR 11
ML 145 15 ML
Q Q
3 7 6
XO 55
X1
36.864MHz
XI 56
SD-RAM
IC7
DQ0 – DQ15 A0 – A11
2, 4, 5, 7, 8, 10, 11, 13, 42, 22 – 26,
44, 45, 47, 48, 50, 51, 53 29 – 35
89 – 92, 95 – 98, 63 – 68,
101 – 108 71 – 74, 76, 78
MD0 – MD15 MA0 – MA11
D +1.5V
u 1 6 3
.
20 20
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2 4
8 9 9
VIDEO SELECT,
75 OHM DRIVER
IC701
CN301 (1/3)
15
4 VIN VSAG 30
VIDEO
12 CYIN CYOUT 25
3 15
MUTE1,
MUTE2
DIFFERENCIAL
DVD-L
AMP
IC303
R-CH
8
Z_MUTE
• R-ch is omitted due to same as L-ch.
3 1 5 1 5 0 8 9 2
• SIGNAL PATH
: DVD/CD (VIDEO)
: DVD/CD (AUDIO)
: OPTICAL OUTPUT
FLASH MEMORY
IC10
A0 – A16,
DQ7 – DQ0 DQ15_A-1
44, 42, 40, 38, 1 – 10,
20 21 38 19 18 17 16 39 15
35, 33, 31, 29 16 – 25, 48, 45
167 – 164, 148 – 158, 170,
77 75 85 81 83 84 86 87 88
162 – 159 172 – 179, 181, 182
HDATA0 – HDATA7 HADR10 – HADR31
m
c o
2
8 9 9
FRONT
VIDEO OUT
G (Page 21)
A (Page 21)
B (Page 21)
C (Page 21)
4 9 8 2 9 9
11 28 14 12
RESET
D
(Page 21)
180 168 169 125
RXD
E (Page 22)
RXD 198
TXD
TXD 197
CTS
CTS 196
RTS
RTS 195
AMUTE
F
AMUTE 142 (Page 21)