Block Diagram -Cd Section - Sony CDX-3900R Service Manual

Q Q
3 7 6 3 1 5 1 5 0
3-2. BLOCK DIAGRAM — CD SECTION —
OPTICAL PICKUP
KSS-720A
A
A 5
C
C
7
B
B 6
I-V
D
D
8
CONV.
E
E
11
F
F 10
PD
PD 4
LD
LD
LD
DRIVE 3
Q101
TRACKING/FOCUS COIL DRIVE
SLED/SPINDLE/LOADING MOTOR DRIVE
10
FOCUS
COIL
11
T E
L 1 3 9 4 2 2 9 6 5 1 3
8
TRACKING
COIL
9
M902
6
SLED
7
MOTOR
M901
12
SPINDLE
13
MOTOR
M903
5
LOADING
4
MOTOR
04
w w w
.
RF AMP, LD APC,
ERROR AMP DIGITAL SIGNAL PROCESSOR
IC1
RF RFO RFAC EFM
16
61
EQ DEM
54
RFDC
FOCUS
ERROR
FE FE
14 50
TRACKING TE TE
13 52
ERROR
SE
51
LD ON
LD
22
AMP
HOLD SW 21
AGC CONT 20
IC7
FFDR
FOCUS
22 42
COIL
FRDR
DRIVE 21 43
TRACKING TFDR
25 40 SERVO
COIL
TRDR CTL
DRIVE 24 41
SLED SFDR
31 38
MOTOR
SRDR
32 39
DRIVE
SPINDLE
MDP
MOTOR 18 35
DRIVE
LOADING
1
MOTOR
2
DRIVE
MUTE 1 34
MUTE 2 35
CD 5V
CD 6V
x a o
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DIGITAL SERVO,
IC501
TUNER
LOUT1
A
92 CD L
D/A D/A
SECTION
LOUT2
I/F CONV. 95
R-CH
CD SYSTEM CONTROL
DIGITAL LOCK
34 46 LOCK
CLV
SQSO
SI2
6 49
SUB
SQCK
CODE SCK2
7 48
SCOR
PROCESS
SCOR
24 64
MD2 73 71 MD2
XRST 11 CD RST
21
DATA 13 CD DATA
67
XLAT 14 68 CD XLAT
SCLK 17 45 SCLK
CLOK 15 65 CD CKO
SENS 16 SENS
57
GFS 22 GFS
55
FOK 32 54 FOK
XTALI 86
X2
Q Q 16MHz
XTALO 87 3 7 6 3
SW4 SSTP
11
(LIMIT)
SW1
10 D SW
(DISC IN)
SW3 IN SW
64
(LOAD IN)
SW2
63 SELF SW
(SELF)
69 LM EJ
66 LM LOD
SLED –
40
DRIVE ON
70
20 LD ON
22 HOLD
AGC CONT
23
POWER
CD ON
CONT 18
Q365
POWER
CONT 17 CDM ON
Q363
5V REG 6V REG 11V REG
BATT
Q364 Q362 Q361
u 1 6 3
.
21 21
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9 9 8
TUNER
B
ATT
(Page 22) SECTION
(Page 22)
SYSTEM CONTROL
IC5 IC501 (1/3)
A MUT 19 58 ATT
OPEN 6 12 DOOR SW
(KEY BOARD)
20 UNI CKI
BUS CLK 51 UNI CKO
19
BUS SI 52 UNI SO
18
BUS SO 53 17 UNI SI
BUS ON 61 3 BUS ON
RESET 30 SYS RST
11
BU IN 60 BU IN
77
90 RSTX
86 HSTX
IC652
X IN 31 1 RESET 3 BU 5V
SW503
X1
(RESET)
10MHz
1 X OUT 32 5 1 5 0 8 9 2 4
BATT (H)
CHECK BATT
Q701
BATT (L)
CHECK BATT
Q702,703
• Signal path
:CD
m
c o
CDX-3900R/4000R/4000RX
2
9 9
9 8 2 9 9