Read Sony HCD-EC50 Service Manual online
18
18
HCD-EC50
HCD-EC50
6-1. BLOCK DIAGRAM — BD/DRIVER SECTION —
Q669,670
Q671,672
Q665,666
Q667,668
A
MAIN
SECTION
(Page 20)
M1
+
-
+
-
M
SCOR
P67/AN7/INT2
XLAT-MP3
P35/IC1
IREQ-MP3
P74/SDA/SC2
DATA-MP3
P30/SO3
CLK-MP3
P31/SC3
ACK-MP3
P75/SCL/SO2
REQ-MP3
P37/OCU1
M-MUTE
Former
Former : BD83S board suffix-11
(distributed original service manual)
New
New : After BD83S board suffix-12
(distributed SUPPLEMENT-2)
(distributed SUPPLEMENT-2)
P41/LED1
P43/LED3
P45/LED5/TOT0
P44/LED4
P47/LED7/TOT2
P46/LED6/TOT1
P51/TIN1
P52/TIN2/PPGO
P53/PPG1
P42/LED2
P50/TINO
P36/OCU0
P54/SI0
P55/SC0
P33/TMCK
P56/SO0
P26
P76
SENS
CLOCK
XLAT
DATA
XRST
XTACN
SW3
SW1
SW7(CHACK)
SW8(OPEN)
SW2
SW6(CLOSE)
SW5(STOC)
OPTICAL PICK-UP
BLOCK
(KSM-213DCP/C2NP)
AUTOMATIC
POWER
CONTROL
Q321
+1.7V
+3.3V
LD
GND
FOCUS
COIL
F+
F
T+
T
SP+
SP
SL+
SL
TRACKING
COIL
IC402
S201
(LIMIT)
X201
16.9344MHz
+3.3V
SL/SP MOTOR
DRIVER
MOTOR
DRIVE
IC201
RF AMP,DSP,MP3
12
6
11
13
14
VR
PD
16
15
18
17
4
23
2
20
MUTE
CH2OUTF
CH1FIN
CH1RIN
CH2FIN
CH3FIN
OPIN+
CH2OUTR
CH1OUTR
CH1OUTF
CH4OUTF
CH4OUTR
CH3OUTR
CH3OUTF
M
M
M401
(SPINDLE)
M402
(SLED)
VCC
VC
A
B
C
D
E
F
DETECTOR
A
B
E
50
F
51
LD
66
PD
67
TFDR
43
SSTP
39
FFDR
45
SFDR
41
MPD
M-MUTE
38
XTACN
XRST
DATA
XLAT
CLOCK
117
AOUT2
112
AOUT1
108 XTAO
109 XTAI
57
58
C
59
D
60
SENS
XTACN
XRST
DATA
XLAT
CLOCK
SENS
13
XLAT-MP3
REQ-MP3
REQ-MP3
CD-L
CD-R
XLAT-MP3
TRDR
44
22
CH3RIN
SRDR
42
CH2RIN
FRDR
46
5
3.3V
+1.8V
IC202
CD MECHANISM DECK
BLOCK
SYSTEM CONTROLLER
IC701
(1/2)
7
3
1
ACK-MP3
ACK-MP3
12
15
7
89
16
11
20
26
8
DATA2
DATA-MP3
90
CLK2
CLK-MP3
10
IREQ-MP3
IREQ-MP3
SCOR
SCOR
+1.8
REG
REG
3.3V
+1.8V
IC203
5
1
3
+1.8
REG
REG
43
10
49
5
6
50
12
11
28
27
22
26
20
25
19
18
29
30
8
31
3
34
21
14
FOCUS/TRUCKING
COIL DRIVER
MOTOR
DRIVE
M2
M
MOTOR
DRIVE
24
23
MOTOR
DRIVE
Q661-664
VM9V
CD
MOTOR
CONTROL
: CD
• Signal Path
Ver. 1.4
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