Sony CHC-CL1 / CHC-CL3 / HCD-CL1 / HCD-CL3 Service Manual ▷ View online
21
21
HCD-CL1/CL3
SECTION 7
DIAGRAMS
7-1. CIRCUIT BOARDS LOCATION
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
2
: nonflammable resistor.
•
1
: fusible resistor.
•
C
: panel designation.
For printed wiring boards.
Note:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
a
: Through hole.
•
: Pattern from the side which enables seeing.
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
E
: PB
a
: REC
J
: CD (Analog)
c
: CD (Digital)
• Abbreviation
AUS
: Australian model
MX
: Mexican model
TW
: Taiwan model
KR
: Korea model
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
• Indication of transistor
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
B
These are omitted.
C
E
AMP board
MAIN board
TRANS board
TC board
RING SW board
PANEL board
BACK LIGHT board
THERMAL board
VOL SEL board
SUB POWER board
MOTOR board
DRIVER board
TRAY SENSOR board
DISK SENSOR board
BD (CD) board
IN OUT SW board
22
22
HCD-CL1/CL3
7-2. BLOCK DIAGRAMS
CD SECTION
• Signal Path
: CD
:DIGITAL OUT (OPTICAL)
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
M102
SLED
MOTOR
15
16
M
M101
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
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
9
SCLK
2
SQCK
20
SCOR
66
XTAI
67
XTAO
CD-CLK
37
XLT
42
SQ-DATA-IN
32
SENS
36
SQ-CLK
33
SCOR
19
LDON
LDON
41
XRST
XRST
43
BU PWM 1
PWM1
28
BU PWM 2
PWM2
26
BU PWM 3
PWM3
24
CH2FO
CH2RO
CH3FO
CH3RO
CH4FO
CH4RO
CH2FI
CH2RI
CH3FI
CH3RI
CH4SI
A
MAIN
SECTION
IC551
+3.3V
REG.
Q102,D101
X101
16.9344MHz
+5V
+3.3V
CD-L
IC504
3
4 11
10
1
2 13
12
5
6 9
8
23
23
HCD-CL1/CL3
SYSCON SECTION
IC401(2/3)
MASTER CONTROL
4
74
73
39
77
1
89
2
3
45
44
79
78
97
95
94
46
47
10
11
15
13
55
57
90
53
60
X401
32.768kHz
32.768kHz
X402
16MHz
16MHz
9
7
4
2
M
91
2
48
49
50
52
5
7
6
LED
DRIVER
LED
DRIVER
LED
DRIVER
LED
DRIVER
LED
DRIVER
TC-MECHA
+5V
R REC
F REC
PACK
M 9V
PLAY SW
SENSOR OUT
BTRGM+
Q396-397
Q391-392
MOTOR
CONTROL
TRIGGER
MOTOR
CONTROL
S501
(TC-LID-SW)
B HALF/REC
CAPM-CNT1
B PLAY
B-SHUT
B TRG
TC LID
XC-IN
XC-OUT
X-IN
X-OUT
IC702
REMOTE
SENSOR
SENSOR
S701
S707
DISPLAY
S706
ROTARY
ENCODER
VOLUME
RING
SW
FUNCTION
KEY
FUNCTION
KEY
FUNCTION
KEY
S741-746
S718-724
S711-717
S747-750
S747-750
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)
LCD
DATA
DATA
SCK
SCK
STB
STB
+5V
+5V
VREF
Q701
Q702
D701
(POWER)
CL1: D771-776
CL3: D777-779
CL3: D777-779
(BACK LIGHT)
+5v
Q741-743
Q746
Q745
Q744
D741
D743
D745
D712
CD1
CD2
CD3
TAPE
•REC
•REC
IC701
LOADING MOTOR DRIVER
RIN
FIN
OUT1
OUT2
SIRCS
POWER KEY
DISPLAY KEY
VOL A
VOL B
KEY0
KEY1
KEY2
T-SENS1
T-SENS2
T-SENS3
OPEN
CLOSE
DISC-SENS
LCD DATA
LCD SCK
LCD STB
STB LED
BACK LIGHT
LED 1
LED 2
LED 3
LED 4
LOAD-OUT
LOAD-IN
S791
M721
(LOADING)
24
24
HCD-CL1/CL3
MAIN SECTION
: FM
: CD
• Signal Path
• R-CH is omitted due to same as L-CH.
: PB
: REC
+5.7V
TUNER UNIT
VIDEO
CD-L
36
IC201
SOUND PROCESSOR
Q201
35
REC
25
OUT
26
INBB
27
NFBB
28
FBB
ST-L
ST-R
ST-CLK
ST-D OUT
ST-D IN
ST-CE
TUNED
STEREO
ST MUTING
RDS-DATA
RDS-INT
R-CH
J101
L
VIDEO
(AUDIO)
IN
+
–
15
IC801
POWER AMP
14
11
12
10
IC401 (3/3)
MASTER CONTROL
72
STK-POWER
40
DBFB ON/OFF
70
HEAD PHONE
LINE MUTING
FRONT-RELAY
71
84
AC CUT
RESET
12
CDMD
37
TC
38
ST
39
CLK
DATA
LATCH
22 21 20
Q203
MUTING
SWITCH
R
SPEAKER
OVERLOAD
DET.
Q801
THP842
Q841,842
MUTING
SWITCH
SWITCH
Q971-973
THERMAL
DET.
Q881,882
RY801
RELAY
DRIVER
Q911
RELAY
DRIVER
R-CH
TM801
DRIVER
Q835
PROTECT
DC AMP
Q836-837
FAN
DRIVER
Q931-933
SWITCH
Q834
Q271
SWITCH
PROTECT
SWITCH
Q831-833
SWITCH
Q181,182
SWITCH
DA-MUTING
67
RESET
SWITCH
Q501
AMP-LAT
AMP-DATA
AMP-CLK
82
81
83
ST-CLK
ST-D IN
ST-D OUT
ST-CE
TUNED
STEREO
ST-MUTING
27
25
23
22
88
87
21
20
18
54
L
R
R-CH
(FAN)
J701
86
PROTECT
38
CD-POWER
STBY-RELAY
PHONES
DOLBY
TYPE B
BIAS
OSC
Q302,303
IC304
R-CH
L
R
3
1
IC302
4
REC/PB
EQ OUT(L)
T301
REC BIAS
ERASE HEAD
ERASE BIAS
46
48
B IN(L)
A IN(L)
16
PB-A/B
EQ IN(L)
38
36
RV301
REC LEVEL
39
REC OUT(L)
BIAS SW
TC-MUTING
AMS-IN
59 R/PB/PASS
65
61
68
BIAS
REC MUTING
ALC
69 TC-RELAY
58
+12V
Q301
R LIN(L)
43
PB
24
20
22
40
25
PB OUT(L)
LM ON/ OFF
BIAS ON/OFF
RM ON/OFF
ALC ON/OFF 15
PAS
DOL
P
R
REC/PB HEAD
X
IC301
DOLBY NR
DOLBY NR
RV304
REC
BIAS
33
28 27
MS
100
+
+
D953-956
D901
B+
SWITCH
Q106,109
Q104
REG.
CD +5V
IC911
+5.7V
REG.
D +5V
D108
T901
POWER
TRANSFORMER
T911
SUB
TRANSFORMER
+B
-B
+5.7V
REG.
IC105
3
1
A
AC IN
D+5V
R-CH
R-CH
R-CH
FEEDBACK
3
1
3
1
IC501
RESET
CD
SECTION
D957-960
D912-914
M +7V
+7V
REG.
IC103
3
1
A +9V
+9V
REG.
IC102
3
1
+10V
+10V
REG.
IC101
RY911
3
1
D961
D962
26
POWER AMP
E +5V
80
Q183
DETECT
+10V
MS OUT
7
5
+A
120V
220V
240V
CL1:
E,TW
CL1:
E,TW
CL1:
E,TW
CL1:
E,TW
EXCEPT
CL1:E,TW
EXCEPT
CL1:E,TW
EXCEPT
CL1:E,TW
CL1:
AUS
CL1:KR/CL3:KR
S943-1
S943-2
AEP,UK
AEP,UK
RDS-DATA
RDS-INT
REC-L
CL3
• Abbreviation
AUS
: Australian model
MX
: Mexican model
TW
: Taiwan model
KR
: Korea model
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