Diagrams; Block Diagram - Main Section - Sony CDX-5V661 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
4-1. BLOCK DIAGRAM – MAIN Section –
B+ VCC
22
(+5V)
VC
27
VC
A A
6
A
B B
B 7
C C
C 8
D D
9
A
B
C
D
RF AMP,
FOCUS/TRACKING
ERROR AMP A
OPTICAL
IC201 (1/2)
B
PICK-UP
C
BLOCK
(KSS-660C)
D
A
B
C
D
E
10
E
F
F 11
AUTOMATIC
POWER LD APC
LD 1
CONTROL AMP
Q201, 207, 208
PD
T E
PD L 1 3 9 4 2 2 9 6 5 1 3 2
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC301
F+ OUTIR
F+ 16
F– OUT1F
F– 18
T– OUT2R
T– 20
T+ OUT2F
T+ 22
SLED (+) OUT4F
39
M101
M M
SLED
SLED (–) OUT4R
MOTOR
41
SPINDLE (–) OUT3R
45
M102
M M
SPINDLE
SPINDLE (+) OUT3F
MOTOR
43
S2
(HOME)
S1
(LIMIT)
w w w
.
SECTION 4

DIAGRAMS

DVC
14
B+
DVCC
13 RF AMP,
(LOCAL +3.3V)
FOCUS/TRACKING ERROR AMP
IC201 (2/2)
RFAC RFAC
AC SUM RFAC
SUMMING 4 SWITCH 3 EQ
VCA
AMP Q202
23 24 25
E-F
CE
SUMMING 20
AMP
SWITCH
ON/OFF
Q210
RFDC
RFDCO
SUMMING 28
AMP
ROM/RW
SWITCH
Q209
FOCUS
ERROR FE
16
SUMMING
AMP
SWITCH
Q206
TRACKING
TE
ERROR 18
AMP
Q670
ROM/RW
SW
12 SWITCH
Q204
IN1R FRDR
13
IN1F FFDR
14
IN2R TFDR
24
IN2F TRDR
25
PRE DRIVE
&
CONTROL
LOGIC
IN4R SRDR
36
IN4F SFDR
37
IN3+ MDP
2
IN3– C176/MDS
8
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8
VC
63 VC
SIGNAL
RFAC
15 71 PROCESSOR
BLOCK
CE
59
MIRR
MIRROR, DEFECT MIRROR,
33
SWITCH DEFECT,
DFCT
34
Q690, 691 FOK
RFDC
58
VC
FE
62
OP AMP,
A/D
CONVERTER
TE
COMPRESSION
60
SE
61
FOK
FOK
SWITCH 35
Q671
FRDR FRDR
Q Q
51
3 7 6 3
FFDR FFDR
50
TFDR TFDR
48
SERVO
TRDR TRDR
49 BLOCK
SRDR SRDR
47
DIGITAL SIGNAL PROCESSOR,
SFDR SFDR
46
DIGITAL SERVO PROCESSOR,
D-RAM CONTROLLER
MDP MDP
43
IC601
C176
/MDS
MDS
44
37 27 26 25 24 23 22 21 17 15 14 12 9 8 81
46 47 48 49 50 51 52 54 31 63 61 55 56 57 66
45 FOK
LENS FOCUS
SWITCH 42 FOLOCK
Q672
ESP/NORMAL
SWITCH 70 RF SW
Q205
43 R/RW SW
107 MDP
71 MDS
40 OPH
41 LMT IN
u 1 6 3
.
39 39
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CDX-5V661/5V661A/5V661D/5V661S
2 4
9 9 8
AOUT1
LINE AMP
99
IC760
L.P.F
AOUT2
102 R-CH
DAC
MUTING
LRMU
13 DRIVE
Q700 – 702
D-RAM
IC602
D0 – D3 D0 – D3
VIBRATION
A0 – A10 A0 – A10
MEMORY
CONTROLLER/
EXPANDER
XRAS
113 5 RAS
XWE
114 4 WE
XCAS
119 23 CAS
1 5 1 5 0 8 9 2 4
XOE
120 24 CE
XTAI 93
X601
16.934MHz
XTAO 94
78
32 69 77 37 78 109 122 97 101
SYSTEM CONTROLLER
IC801 (1/2)
m
c o
2
9 9
CN181
8
AUDIO LEFT
10
AUDIO RIGHT
R-CH
MUTING
Q720
R-CH
B+
(µCOM 3.3V)
CONTROL
D851
7
CONT VOLT
VOLTAGE
SWITCH
Q850, 851
D861
TO
DIMMER
D863 HEAD
DIMMER 6
SIG
UNIT
INT. SWITCH
Q852
IC870
5
DATA IN
3
DATA OUT
BUFFER
Q862
9 8 2 9 9
4
DATA CLK
BUFFER
Q863
D181
1
B+
CN182
3
B+
A
4
(Page 40)
• R-CH : R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: CD (PLAY)