Block Diagram - Bd Section - Sony HCD-CP33 Service Manual

HCD-CP33
7-2. BLOCK DIAGRAM – BD Section –
HR901
OVER WRITE
HEAD
OPTICAL PICK-UP
BLOCK
(KMS-260A/K1NP)
VC
I
J
A
B
C
D
E
F
LD APC
Q162,163
GND
PD LASER ON
Q101
HF
MODULE
F-
FOCUS
COIL
F+
T-
TRACKING
COIL
T+
16
M102
SLED
MOTOR
M101
SPINDLE
• R-CH is omitted
MOTOR
• Signal Path
: PB(Digital out)
: REC(Digital out)
: MD PB
: MD REC
DIGITAL SIGNAL PROC.
IC181
1
8 OVER 100
HEAD
WRITE
DRIVE 11 2
HEAD
Q181,182
6 DRIVE 5 15
RF AMP
IC101
3 VC RF 38 57
1 67
I AUX 33
2 J BOTM 36 64
4 A PEAK 37 63
5 65
B ABCD 35
6 C
FE 34 66
7 D
75
TE 26
8 E
SE 28 74
9 F
78
ADFG 32
11 APC
SWDT 16 82
SCLK 17 81
XLAT 18 80
FCONT 20 79
10 PD APCREF 12 83
HF MODULE SW
IC103,Q102-104
MOTOR/COIL DRIVE
IC152
23 CH1FO CH1FI 19 88
21 CH1RO CH1RI 18 89
10 86
CH2FO CH2FI 14
12 CH2RO CH2RI 15 85
27 CH3FO CH3FI 29 92
M
25 CH3RO CH3RI 30 91
6 94
CH4FO CH4FI 3
M
8 CH4RO CH4RI 4 93
PSB 16
DIGITAL SERVO
IC121
DIN0 19
EFMO DIN1 20
TX
ADDT 25
DADT 26
XBCK 28
RFI
XRCK 27
IC202 IC202
AUX1
9 8 11
BOTM
PEAK
X201
ABCD
IC123
7 3 22MHz
OSCI 16
FE
TE
DOUT 21 (NON CONNECT)
SE
SQSY 11
ADFG DQSY 12
DTRF MNT0 1
CKRF MNT1 2
XLRF MNT2 3
FCONT MNT3 4
APCREF XINT 14
SENS 9
SRDT 8
SWDT 5
SCLK 6
XLAT 7
49
.
FFDR D0 48
.
D3 50
.
DRAM
FRDR 51
IC124
34 6
1
TFDR
.
31 9
. .
A0 A0 D0 2
.
36 11
TRDR A9 A9 D3 18
.
40 15
. .
19
45 5
SFDR
XWE 47 3 XWE
SRDR XRAS 46 XRAS
4
XCAS 44 17 XCAS
SPFD XOE 43 16 XOE
SPRD
XRST
10
RECP 13
IC153
2 10
M103
MOTOR
LOADING M
DRIVE
MOTOR
4 9
6
MOTOR SW
Q350
36 36
A/D,D/A CONV.
IC201
18 DATAO VINL1 2
19 DATAI VINR1 4
BCK
16
17 WS
VOUTL 26
10
12 SYSCLK
VOUTR 24
SYSTEM CONTROL
IC316
L3DATA 22 15 L3DATA
L3CLK 21 14 L3CLK
27 SQSY
L3MODE 69 13 L3MODE
75 DQSY
82 MNT0
MNT1
81
80 MNT2 LEVEL L 3
79 MNT3
LEVEL R 4 R-CH
73 XINT
SENS
78 IIC DATA 30
36 SRDT IIC CLK 29
35 SWDT
37
SCLK
S RST 12
66 XLATCH
P DOWN 18
XOUT 13
X701
10MHz
XIN 15
SDA 88 5
EEPROM
IC171
SCL 87 6
72 SCTX
57 LDON
67
WR PWR
65 MOD
77 DIG RST
S101,102
S601,602,604
54 LD IN LIMIT IN 63
VIDEO
REFLECT 58
AMP
55 LD OUT PROTECT 59
PACK OUT 53
PB-P 60
56 LD LOW REC-P 74
DIN0
CD
A
SECTION
(Page 37)
MD IN1 L
B TC
SECTION
(Page 37)
R-CH
DATA OUT L
TC
C
SECTION
(Page 37)
R-CH
LEVEL L
TC
D
SECTION
IIC DATA (Page 37)
IIC CLK
RESET
POWER
E
P DOWN
SECTION
(Page 38)