Read Sony BMZ-K33 / CX-BK33 Service Manual online
CX-BK33
31
31
SECTION 7
DIAGRAMS
7-1. BLOCK DIAGRAM – CD Section –
OPTICAL
TRANSCEIVER
IC604
OPTICAL PICK-UP
BLOCK
(A-MAX.3)
PD1
PD2
I5-10
I1-6
LD
VC
VCC
7
5
3
1
2
4
VDD (3.3V)
GND
PD
VR
FOCUS
COIL
TRACKING
COIL
RF AMP
IC103
VC
27
A
6
B
7
C
8
D
9
E
10
F
11
LD
1
PD
2
MOTOR/COIL DRIVE
IC102
VO1+
52
VO1-
47
VO2+
56
VO2-
55
VO3+
2
VO3-
1
M102
(SLED)
M101
(SPINDLE)
VO4+
10
VO4-
5
F+
F-
T+
T-
35
IN1+
34
IN1-
32
IN2+
31
IN2-
27
IN3+
26
IN3-
24
IN4R
8
STBY
MDP
25
SRDR
30
SFDR
29
TRDR
32
TFDR
31
FRDR
34
FFDR
33
DIGITAL SERVO,
DIGITAL SIGNAL PROCESSOR
IC101
64
D OUT
RFAC
50
29
RFDCI
28
RFDC
16
FE
17
FEI
12
SW
TE_BAL
RFDC
43
FE
39
TE
41
SE
40
66
PCMD
26
RO
4
DATA
R-CH
6
CLOK
5
XLAT
77
SQCK
8
SCLK
15
SCOR
76
SQSO
2
XRST
O-DATA
52
O-CLOCK
55
O-XLT
60
O-SQCK
57
I-SCOR
21
I-SQSO
56
7
SENS
I-SENS
58
SYSTEM CONTROLLER
IC901 (1/3)
85
O-LOD_NEG
O-LOD_POS
O-SLD_POS
O-SLD_NEG
74
I-D_SENSOR
I-SW5-B
I-SW5-A
I-SW4
I-SW3
I-SW2-A
I-SW2-B
I-SW1-A
15
RF AC
18
TE
D/A CONVERTER,
MP3 DECODER
IC104
SDIO
12
23
LO
67
BCLK
BCKIA
13
65
LRCK
LRCKIA
14
71
XTAI
72
XTAO
XI
62
XO
63
5
MIDIO
STAND BY
6
MICK
7
MIACK
39
REQ
1
RESET
19
75
O-ELV_POS
O-ELV_NEG
IO-MIDIO
O-MP3STB
64
O-MICK
O-MICS
O-MILP
62
38
I-MIACK
37
O-MP3RST
19
3
5
I-MP3REQ
65
O-XRST
61
4
66
MICS
MILP
O-PWM3
49
O-PWM2
51
O-PWM1
47
O-LDON
59
73
88
89
70
19
RV101
X201
16.9344MHz
OUT1
FIN
OUT2
RIN
STOCKER MOTOR DRIVE
IC721
M761
(STOCKER)
M
7
9
4
2
87
77
OUT1
FIN
OUT2
RIN
ROLLER MOTOR DRIVE
IC711
M781
(ROLLER)
M
7
9
4
2
76
86
OUT1
FIN
OUT2
RIN
MODE MOTOR DRIVE
IC701
S771
ROTARY ENCODER (MODE)
M771
(MODE)
M
7
9
4
2
S713 (DISC IN (8/12cm))
S714 (DISC IN (8cm))
S715 (DISC OUT)
S716 (STOCKER IN/OUT)
S711 (DISC INSERT(8/12cm))
S717 (DISC POSITION)
S718 (STOCKING)
1
G
2
3
4
69
90
67
68
I-ELV_E3
I-ELV_E2
I-ELV_E1
I-ELV_E0
I-SLD_E3
I-SLD_E2
I-SLD_E1
I-SLD_E0
S702
ROTARY ENCODER
(STOCKER POSITION)
1
2
3
4
82
79
83
80
78
84
81
(ON : When disc insert)
S711
S713
S714
S715
S717
S718
(ON : When disc out from play position)
In the midst disc is moving
between play position and stocker
ON : disc is play position side
OFF : disc is stocker side
between play position and stocker
ON : disc is play position side
OFF : disc is stocker side
OFF: In the Midst disc is moving
between play position and
stocker
stocker
(ON : Play position)
(8cm disc only)
ON : Play position
S716
from stocker
ON : The moment disc in/out
G
AUTOMATIC
POWER CONTROL
Q101
E-F BALANCE
(1 TRACK JUMP)
M
M
CD-L
A
• SIGNAL PATH
: CD PLAY
: DIGITAL OUT
• R-ch is omitted due to same as L-ch.
LEVEL SHIFT
Q731
DISC INSERT
DETECT SENSOR
IC751
DIGITAL
OUT
(AEP, UK)
(Page 32)
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