Read Sony CMT-EH12 / HCD-EH12 Service Manual online
HCD-EH12
14
14
HCD-EH12
SECTION 7
DIAGRAMS
7-1. BLOCK DIAGRAM – CD SERVO Section –
OPTICAL
PICK-UP BLOCK
(KSM-213CDP)
CH2OUTF
CH2FIN
FOCUS/TRACKING COIL DRIVER,
SLED/SPINDLE MOTOR DRIVER
IC402
12
6
CH2OUTR
11
CH1OUTR
13
CH1OUTF
14
CH3OUTF
17
CH3OUTR
18
SL–
SL+
TRK–
TRK+
FCS–
FCS+
2-AXIS
DEVICE
PD
LD
B
A
D
C
F
E
M402
(SLED)
M
CH4OUTF
16
CH4OUTR
15
CH2RIN 7
CH1RIN 5
CH1FIN 4
CH3FIN 23
CH3RIN 22
OPIN+ 2
CH4IN 24
OPOUT 27
FFDR
45
PD
67
F
51
E
50
D
60
C
59
B
58
A
57
LD
66
FRDR
46
TRDR
44
TFDR
43
SFDR
41
SRDR
42
MDP
38
SP–
SP+
M401
(SPINDLE)
M
CD DSP
IC201
SYSTEM CONTROLLER
IC701 (1/3)
XTAI 109
XTAO 108
SSTP 39
X201
16.9344MHz
S201
(LIMIT)
CD D +3.3V
CD
RFACO
AOUT1 112
AOUT2 117
70
RFACI
71
XRST
8
MUTE
20
XTACN 7
ACK-MP3 15
SO2
50
A
AUTOMATIC
POWER CONTROL
Q321
P76
34
P25
2
OCU0
11
IREQ-MP3 10
REQ-MP3 14
XLAT-MP3 13
CLK2 90
SC3
6
IC1
10
OCU1
12
SC2
49
DATA2 12
SCOR 26
AN7
43
SO3
5
SI3
7
SENS 20
XLAT 16
CLOK 11
DATA 89
SO0
31
SC0
30
TMCK
8
SI0
29
R-CH
• SIGNAL PATH
: CD PLAY
• R-ch is omitted due to same as L-ch.
AMP-STBY
B
(Page 16)
(Page 16)
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