DOWNLOAD Sony CHC-TB10 / CHC-TB20 / HCD-TB20 Service Manual ↓ Size: 12.26 MB | Pages: 70 in PDF or view online for FREE

Model
CHC-TB10 CHC-TB20 HCD-TB20
Pages
70
Size
12.26 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
chc-tb10-chc-tb20-hcd-tb20.pdf
Date
PREV: Sony SS-MF600H Service Manual

Sony CHC-TB10 / CHC-TB20 / HCD-TB20 Service Manual ▷ View online

29
29
7-2. Block Diagrams
CD Section
• Signal Path
: CD
:DIGITAL OUT
OPTICAL PICK-UP
BLOCK
(A-MAX.3)
PD1
PD2
I5-10
I1-6
LD
VC
SW
VCC
+5V
GND
PD
VR
LD
DRIVE
Q101
RF AMP
DIGITAL
OUT
(OPTICAL)
IC103
VC
27
VFC
25
A
6
B
7
C
8
D
9
E
10
F
11
LD
1
PD
2
IC102
MOTOR/COIL DRIVE
CH1FO
14
CH1RO
13
12
11
17
18
M
SLED
MOTOR
15
16
M
SPINDLE
MOTOR
F+
F-
T+
T-
2
CH1FI
3
CH1RI
5
6
24
23
25
MDP
26
SRDR
29
SFDR
28
TRDR
31
TFDR
30
FRDR
33
FFDR
32
DIGITAL SIGNAL PROCESSOR
D/A CONVERTER
IC101
DIGITAL SERVO
60
D OUT
72
L OUT
75
R OUT
R-CH
R-CH
RFAC
51
28
RFDCO
15
RFAC
16
FE
18
TE
12
SW
17
FEI
29
RFDCI
RFDC
43
FE
39
TE
41
SE
40
5
DATA
DATA
7
CLOK
CLK
6
XLAT
XLT
1
SQSO
8
SENS
27 SSTP
3
XRST
20
MUTING
MASTER CONTROL
IC401(1/3)
CD DATA
35
CD MUTE
66
9
SCLK
2
SQCK
20
SCOR
66
XTAI
67
XTAO
CD CLK
37
XLT
36
SQ DATA IN
32
SENS
56
SQ CLK
33
SCOR
19
LDON
LDON
Q301-304
54
60
28
26
24
XRST
XRST
BU PWM 1
PWM1
BU PWM 2
PWM2
BU PWM 3
PWM3
CH2FO
CH2RO
CH3FO
CH3RO
CH4FO
CH4RO
CH2FI
CH2RI
CH3FI
CH3RI
CH4SI
A
MAIN
SECTION
IC351
+3.3V
REG.
Q102,D101
X101
16.9344MHz
CD D+5V
+3.3V
CD-L
Q305
Q281,283
MUTE
SWITCH
• R-ch is omitted due to same as L-ch.
(Page 30)
30
30
HCD-TB20
MAIN Section
: FM
: CD
: PB
: REC
• Signal Path
• R-ch is omitted due to same as L-ch.
+5.6V
TUNER UNIT
IND1
CD-L
6
4
IC201
SOUND PROCESSOR
IC601
REC PB AMP
Q211
REC
18
OUT
BB B1
ST-L
ST-R
ST-CLK
ST-D OUT
ST-D IN
ST-CE
TUNED
STEREO
ST MUTING
RDS-DATA
RDS-INT
R-CH
J201
L
MD/
VIDEO
IN
3
+
–
10
4
12
84
3
IC801
POWER AMP
IC401 (3/3)
MASTER CONTROL
STK POWER
50
LINE MUTE
71
INB1
5 INC1
INA1
CLK
DATA
22 21
Q941
MUTING
SWITCH
R
SPEAKER
OVERLOAD
DET.
Q801
R-CH
Q841,THP841
MUTING
SWITCH
Q971
OVERHEAT
DET.
Q881,882
RY801
RELAY
DRIVER
Q911
RELAY
DRIVER
R-CH
TM801
DRIVER
Q835
SWITCH
Q842
DC DET
Q836,837
SWITCH
Q834
PROTECT
SWITCH
Q831
SWITCH
Q945,946
Q947
AMP-DATA
AMP-CLK
87
88
ST CLK
ST DIN
ST DOUT
ST CE
TUNED
STEREO
ST-MUTE
27
25
23
22
57
34
21
2
18
L
R
SWITCH
Q832,833
R-CH
J771
86
PROTECT
65
CD-POWER
STAND BY RELAY
PHONES
BIAS
OSC
Q642,643
Q680,681
R-CH
L
R
7
9
IC602
4
REC/PB
REC OUT(L)
T601
REC BIAS
ERASE HEAD
ERASE BIAS
37
39
13
B IN(L)
A IN(L)
A/B
REC IN(L)
PB OUT(L)
7
8
5
15
11
10
RV652
REC LEVEL
EQ
ALC
43
TC-RELAY
42
BIAS
44
ALC
14
39
TC MUTE
41
REC MUTE
A+9V
Q639-641
P
R
REC/PB HEAD
RV653
REC
BIAS
D953-956
D901
B+
SWITCH
Q101,102
CD +5V
CDM +3.3V
TCM +3.3V
RDS +3.3V
D +5V
T901
POWER
TRANSFORMER
T911
SUB
TRANSFORMER
+B
-B
+5.7V
REG.
IC102
3
1
A
AC IN
R-CH
R-CH
R-CH
FEEDBACK
CD
SECTION
D957-960
D912-914
M +7V
LDE +7V
+7V
REG.
IC153
3
1
+5.6V
REG.
IC911
3
1
TA +9V
TC +9V
+9V
REG.
IC152
3
1
MICON +3.9V
+4V
REG.
IC101
3
1
TCM +10V
ST +10V
+10V
REG.
IC151
RY911
3
1
D961
D962
D101
POWER AMP
82
HP DETECT
16
17
8
BB A1
120V
220V
240V
S943-1
F903
E
F902
F901
S943-2
220V
120V
AEP,UK
AEP,UK
RDS-DATA
RDS-INT
REC-L
3
4
120V
220V
240V
AEP,UK
F901
120V
220V
240V
Mexican
F901
120V
220V
240V
Korea
F902
11
R-CH
85
FRONT RELAY
SWITCH
20
12
3
1
AC CUT
RESET
RESET
SWITCH
Q501
IC501
RESET
(Page 29)
31
31
SYSTEM CONTROL Section
IC401(2/3)
MASTER CONTROL
4
74
73
45
51
48
49
47
67
68
53
52
97
95
94
69
70
10
11
15
13
59
38
90
58
40
X402
32.768kHz
X401
16MHz
9
7
4
2
M
91
2
71
72
76
77
5
7
6
LED
DRIVER
LED
DRIVER
LED
DRIVER
LED
DRIVER
TC-MECHA
TCM+3.3V
R REC
F REC
PACK
M +10V
PLAY SW
SENSOR OUT
TRGM+
Q321,323
Q322,324
MOTOR
CONTROL
TRIGGER
MOTOR
CONTROL
S401
(TC LID)
TC HALF/REC
CAPM-CONT
TC PLAY
TC SHUT
TC TRG
TC LID
XCIN
XCOUT
XIN
XOUT
IC701
REMOTE
SENSOR
S700
S701
DISPLAY
S702
ROTARY
ENCODER
VOLUME
RING
SW
FUNCTION
KEY
FUNCTION
KEY
FUNCTION
KEY
S730-741
S710-714
S720-727
IC751
Q701
IC731
IC732
IC733
SUB TRAY 1
HEIGHT SENSOR
SUB TRAY 2
HEIGHT SENSOR
SUB TRAY 3
HEIGHT SENSOR
S742
(OUT)
S741
(IN)
(DISC IN DETECT)
LCD777
DATA
DATA
SCK
SCK
STB
STB
Q701
Q760
D701
(POWER)
D760-763,
D765-767
(BACK LIGHT)
LED+7v
Q740-742
Q745
Q744
D741
D742
D743
D746
DISC1
TAPE
•REC
IC701
LOADING MOTOR DRIVER
RIN
FIN
OUT1
OUT2
SIRCS
POWER KEY
DISPLAY KEY
VOL A
VOL B
KEY1
KEY2
KEY3
T SENS1
T SENS2
T SENS3
OPEN
CLOSE
DISC SENS3
LCD DATA
LCD SCK
LCD STB
STB LED
BACK LIGHT
LED CONT
LED1
LED2
LOAD OUT
LOAD IN
S728
DISC2
DISC3
M721
(LOADING)
32
32
HCD-TB20
7-3. Schematic Diagram  BD Section
J
0.01
0.022
680
220k
33k
2.4k
(Page 38)
IC B/D
• See page 50 for Waveforms.
• See page 52 for IC Block Diagram.
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