Sony CHC-CV40 / HCD-CV40 Service Manual ▷ View online
29
29
HCD-CV40
7-2. Block Diagrams
–
–
CD Block –
OPTICAL PICK-UP
BLOCK
(A-MAX.3)
PD1
PD2
I5-10
I1-6
LD
VCC
+4.5V
GND
PD
LD
DRIVE
Q101
RF AMP
IC103
VC
27
A
6
B
7
C
8
D
9
E
10
F
11
LD
1
PD
2
IC102
MOTOR/COIL DRIVE
VOL1+
47
VOL1-
52
VOL2+
55
VOL2-
56
F+
F-
T+
T-
35
IN1+
34
IN1-
32
IN2+
31
IN2-
27
IN3+
26
IN3-
23
IN4
8
STBY
MDP
133
SRDR
138
SFDR
137
TRDR
141
TFDR
140
FRDR
143
FFDR
142
DSP
IC505
RFDC
160
17
FEI
28
RFDCO
16
FE
18
TE
29
RFDCI
12
SW
FE
164
TE
162
SE
163
203
AUD BCK
205
AUD XCLKO
30
GPIO14
206
CLKA
207
CLKB
X502
29MHz
149
XTAI
150
XTAO
X501
33.8688MHz
7
C OUT
RFAC
173
15
RFAC
26
RFC
201
AUD DTO0
204
AUD LRCK
SWITCH
Q102
1
2
M
M102
(SLED)
5
10
M
M101
(SPINDLE)
VO3+
VO3-
V04+
VO4-
B
A
MAIN
SECTION
VC
VFC
25
VR
FE
RFDC
LDON
XTSL
189
GPIO9
24
SW
SSTP
135
• Signal Path
• R-ch is omitted due same as L-ch.
: CD
: VIDEO
5
1
6
C
AMP
8
10
5
1
Y
AMP
IC304
VIDEO
OUT
J341
DATA
2
D/A CONV
IC504
7
L OUT
8
R OUT
29
GPIO13
26
GPIO11
LRCK
3
BCK
1
MCLK
16
DATA
13
CLK
14
LAT
15
R-CH
SWITCH
Q581
5
VDD
6
VCC
A+5V
1
2
IC102
28
GPIO12
DI
12
D/A CONV
IC506
13
AO1
LCK
11
LD
10
RST
4
2
AO2
5
AO4
6
AO5
3
AO3
9
AO6
FE
RFDC
LDON
IC507
IC508
BUFFER
Q301
6
Y OUT
6
3
SYNC
SEP
IC301
11
10
IC302
IC303
8
5
VIDEO
BUFF
IC307
6
2
Q370
13
GPIO0
14
15
16
18
19
VIDEO MUTE
MAIN
SECTION
SI
SO
SYS CLK
SYS RQ
SYS OK
SYS CS
SYS RST
1
3
IC202
+2.5V
1
3
IC201
+3.3V
D+5V
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
CD L
BUFFER
Q302
+3.3V
REG
+2.5V
REG
+4.5V
+4.5V REG
Q201
DRAM
ROM
30
30
HCD-CV40
– MAIN Block –
R-CH
BIAS
OSC
Q642,643
+8V
ERASE
HEAD
REC/PB
HEAD
PB/REC EQ AMP
IC601
B IN
37
REC OUT
10
5
PB OUT
7
REC IN
ST DOUT
23
ST CLK
27
ST CE
22
14
MUTE
11
ALC
SYSTEM CONTROL
IC401
ST DIN
25
L
R
MD (VIDEO)
IN
J201
A
CD
SECTION
IND1
6
18
L OUT
CLK
22
SOUND PROCESSOR
IC201
J771
PHONES
R CH
R CH
L
R
L
R
SPEAKER
LIQUID
CRYSTAL
DISPLAY UNIT
FUCTION
KEY
IC701
S720-727
D701
(POWER ON)
TUNER UNIT
ST L
ST R
R-CH
ST D OUT
ST D IN
ST CLK
ST CE
STMUTE
R-CH
ST MUTE
21
RV653
T601
REC BIAS
Q639-641
15
REC MUTE
MECHA BLOCK
REC L
PLAY
REC R
PACK
END SENSOR
TRG M+
TRIGGER
DRIVE
Q322,324
M +10V
MOTOR
DRIVE
Q321,323
TC MUTE
39
ALC
80
REC MUTE
41
TC PLAY
38
TC HALF/REC
91
TC SHUT
90
TC TRG
58
CAPM CONT
59
X401
16MHz
INC1
5
INA1
3
INB1
4
16
BB A1
66
CD MUTE
88
AMP CLK
DATA
21
CD L
81
LINE MUTE
84
STK POWER
5
LCD DATA
LCD777
51
BACK LIGHT
7
LCD SCK
6
LCD STB
3
LCD RS
BACK LIGHT
SWITCH
Q760
D760,763
D765-767
4
SIRCS
FUCTION
KEY
S730-741
95
KEY2
FUCTION
KEY
S710-714
97
KEY1
74
POWER KEY
S700
I /
LED
DRIVE
45
STB LED
49
LED CONT
Q701
3
1
82
STBY RELAY
RESET
SWITCH
Q501
12
RESET
IC501
1
3
20
AC CUT
D953-956
T901
MAIN
TRANSFORMER
D912-914
RELAY
DRIVE
AC IN
D901
POWER AMP +B
POWER AMP -B
T911
SUB
TRANSFORMER
D957-960
1
3
IC102
1
3
IC152
TA +9V
TC +9V
1
3
IC153
Q911
RY911
EVER +5.6V
94
KEY3
65
CD POWER
SCOR
19
: FM
• Signal Path
: PB (TAPE)
: REC (TAPE)
SQ CLK
33
XLT
36
CD DATA
35
SWITCH
Q301-304
LDON
54
VOLUME
ENCODER
S702
52
VOLUME B
53
VOLUME A
CD ON
SWITCH
Q101,103
: CD
R CH
10
XC IN
B
CD
SECTION
VIDEO MUTE
XRST
60
SQSO
32
CD CLK
37
SI
SO
SYS CLK
SO
SYS CLK
SYS RQ
SYS OK
SYS CS
SYS CS
SYS RST
TC LID
40
S401
(TC LID)
CLOSE
70
S741
(IN)
OPEN
69
S742
(OUT)
IC731
T SENS1
71
IC732
T SENS2
72
IC733
T SENS3
76
IC701
9
4
7
2
LOAD OUT
67
LOAD IN
68
M
M721
LOADING
STEREO
34
TUNED
57
TUNED
STEREO
MUTE CONT
Q281,283
MUTE
Q305
87
AMP DATA
25
R OUT
R CH
REC
8
17
BB A2
RV652
REC LEVEL
BIAS
42
REC
BIAS
9
4
7
IC602
TC RELAY
43
Q680,681
FAN
MIC
J785
MIC LEVEL
RV722
IC785
POWER AMP
IC801
10
11
11
12
3
4
MUTE
Q971
3
6
1
IC785
7
MIC
2
MUTE
Q941
SWITCH
Q211
SWITCH
Q947
SWITCH
Q945,946
85
FRONT RELAY
OVER LOAD
DET
Q801
OVERHEAT
DET
Q841,TH842
SWITCH
Q842
DC DET
Q836,837
R CH
DRIVER
Q835
RELAY
DRIVE
Q881,882
RY801
FAN DRIVE
Q931, 932
TM801
Q832
Q833
PROTECT
SWITYCH
Q831
SWITCH
Q834
RING
SWITCH
S728
LED+7V
D741
DISC1
DISC2
TAPE
REC
DISC3
D742
D743
D746
LED
DRIVE
47
LED2
Q744
LED
DRIVE
48
LED1
Q745
73
DISPLAY KEY
DISPLAY
S701
11
XC OUT
15
X IN
13
X OUT
X402
32.768kHz
IC751
DISC SENS3
77
Q701
86
PROTECT
50
HP DETECT
1
3
IC911
220V
120V
1
3
TCM +10V
ST +10V
D961
D962
1
3
M +7V
LED +7V
µCOM +3.9V
CD D+5V
IC101
D101
CDM +3.3V
TCM +3.3V
RDS +3.3V
CD A+5V
IC151
240V
220V
120V
120V
F903
S943-1
83
FAN CONT
S943-2
F902
F901
Q740-742
LOADING
MOTOR
DRIVER
SUB TRAY1
HEIGHT SENSOR
SUB TRAY2
HEIGHT SENSOR
SUB TRAY3
HEIGHT SENSOR
DISC IN
DETECT
SWITCH
REMOTE
CONTROL
RECEIVER
RESET
+5.7V
REG
+9V
REG
+7V
REG
+3.9V
REG
+10V
REG
+4V
REG
• R-ch is omitted due same as L-ch.
31
31
HCD-CV40
7-3. Printed Wiring Board – BD Board –
• See page 28 for Circuit Boards Location.
I C 1 0 3
I C 1 0 2
M 1 0 1
M 1 0 2
T P
( D V C )
T P
( R FA C )
T P
( T E )
3 3
•
: Uses unleaded solder.
32
32
HCD-CV40
7-4. Schematic Diagram – BD Board –
• See page 52 for Waveforms. • See page 52 for IC Block Diagrams.
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