Ic Block Diagrams - Sony HCD-ED2 - Compact Disc Deck Receiver Service Manual

HCD-ED2

6-16. IC BLOCK DIAGRAMS

• BD Board
IC101 CXD2587Q
60 59 58 57 56 55 54 53
ERROR
DIGITAL DIGITAL
CORRECTOR
OUT PLL
16K
RAM
LRCK 61
D/A EFM
PCMD 62
INTERFACE DEMODULATOR
63
BCK
EMPH 64
XVDD 65
XTAI 66
TIMING
XTAO 67 LOGIC
XVSS 68
AVDD1
69
AOUT1 70
AIN1 71
SUBCODE
PROCESSOR
LOUT1 72
PWM PWM
AVSS1 73
AVSS2 74
3rd ORDER
LOUT2
75 NOISE SHAPER
SERVO
INTERFACE
AIN2 76
OVER SAMPLING
AOUT2 77
DIGITAL FILTER
SERVO AUTO
AVDD2 78
SEQUENCER
RMUT
79 SERIAL IN
INTERFACE
LMUT 80
CPU
INTERFACE
1 3 4 7
2 5 6 8
IC103 CXA2568M-T6
VCC
APC PD AMP
VCC
VEE
HOLD 1
VEE
AGCVTH
2 VREF
APC LD AMP
3
LD
VC
VCC
PD 4
VC
A 5
VEE
B 6
RF SUMMING AMP RF_EQ_AMP
VC VC
C 7
D
8
ERROR AMP
VC
FOCUS
VEE
9 VEE
VC
VC
F 10
E
11
VC
TRACKING
VC
ERROR AMP
VC BUFFER
VCC
VC 12
VC
VEE
VC
52 51 50 49 48 47 46 45 44 43 42 41
ASYMMETRY
CORRECTION
OPERATIONAL
AMPLIFIER
ANALOG SWITCH
A/D
CONVERTER
CLOCK
GENERATOR
SERVO DSP PWM GENERATOR
FOCUS FOCUS PWM
SERVO GENERATOR
TRACKING
TRACKING
PWM GENERATOR
SERVO
SLED SLED PWM
SERVO GENERATOR
DIGITAL
CLV
MIRR, DFCT,
FOK
DETECTOR
9 10 11 12 13 14 15 16 17 18 19 20
• POWER AMP Board
IC505 LA5617
24 VCC
23 LC/PD
22 LD_ON
CURRENT CURRENT
ON/OFF ON/OFF
LIMITER LIMITER
21 HOLD_SW
AGCCONT
20
(50%/30%
VMUTE VCC
OFF)
RF_BOT
19
VREF
VCC
ERROR
VREF
AMP ~ _ 1.8V
RFTC
18
17 RF_1
16 RFO
RFE 2 3 4 5 6 7 8
15 1
FE
14
TE
13
• FUNCTION Board
IC301 M62442
40 39 38
40 SE
39 FE
38 VC
VOLIN2 41
FOUT2 42
F6F2 43
F5F2 44
37 XTSL
36 TES1 F4IN2 45
TEST
35
F4O2 46
VSS
34
33 FRDR
F4F2 47
32 FFDR
31 TRDR
F3IN2 48
30 TFDR
29 SRDR
F3O2 49
28 SFDR
27 SSTP
F3F2 50
26 MDP
25 LOCK
F2IN2 51
24 FOK
F2O2
52
23 DFCT
22 MIRR
F2F2 53
COUT
21
F1IN2 54
F1O2 55
F1F2 56
RECB2 57
SW6-2
RECA2
58
SW5-2
20K 20K
DOUT2 59
10K
KEYIN2 60
LPFO 61
62
LPFIN
LROUT 63
START
CIRCUIT
INF2 64
VREF
65 66 67
OVER HEAT
PROTECT
ERROR
AMP
9 10
28 28
37 36 35 34 33 32 31 30 29 28 27 26 25
SW6-1
SW5-1
20K 20K
10K
SW12-2
SW2-2 SW2-1
68 69 70 71 72 73 74 75 76 77 78 79 80
• RELAY Board
IC650, 651 SN74HC74ANS
14 13 12 11 10 9 8
VCC
PR
D Q
CK
Q
CLR
PR
D Q
CK Q
CLR
GND
1 2 3 4 5 6 7
24 VOLIN1
23 FOUT1
22 F6F1
21 F5F1
20 F4IN1
19 F4O1
F4F1
18
17 F3IN1
16 F3O1
15 F3F1
14 F2IN1
13 F2O1
12 F2F1
11 F1IN1
10 F1O1
9 F1F1
8 RECB1
RECA1
7
6 DOUT1
5 KEYIN1
4 DELAYOUT
3
DELAYIN
2 MICIN
1 INF1