Sony CMT-101 / HCD-101 / TC-TX101 Service Manual ▷ View online
— 14 —
SECTION 5
DIAGRAMS
5-1.
CIRCUIT BOARDS LOCATION
PRE board
POWER IC board
POWER board
BD board
HP board
SENSOR board
SWITCH board
PANEL board
VOL SEL board
EJECT board
FUNCTION board
MOTOR board
SP TM board
RELAY board
TRANS board
RDS board
POSISTOR board
HCD-101
5-2.
BLOCK DIAGRAM
FLUORESCENT
INDICATOR TUBE
CN410
J402
ANTENNA
1
FM
4
AM
19
ST-R
22
STEREO
21
TUNED
20
MUTE
9
DO
8
CL
6
CE
7
DI
17
ST-L
12
19
L OUT
E
TB401
TUNER UNIT
R-CH
J401
VIDEO/
1
1
CNJ401(1/3)
CNJ402(1/3)
5
4
15
14
2
1
15
PD1
11
A
10
B
9
C
3
IC401
INPUT SELECT
IC404(1/2)
BUFFER
IC430
BUFFER
DBFB
6
8
9
R-CH
2
1
13
Q401
9V
IC422
SURROUND
SWITCH
REC OUT
SWITCH
IC402
CONTROL
Q421
SURROUND
SWITCH
12
14
11
10
35
13
9
A B
EFFECT
SWITCH
SWITCH
IC423
Q424
MUTE
MUTE
SWITCH
Q420,422
Q425
MUTE
L IN
18
CK
10
31
RFO
2
R OUT
R-CH
IC424
VOL LOUDNESS
IC801
POWER AMP
STAND-BY
SWITCH
Q802,803
RELAY
DRIVE
Q804
STAND-BY
SWITCH
Q801
RY801
+
+
R-CH
R-CH
PHONES
SPEAKER
TM801
J660
2
2
J401(2/3)
J402(2/3)
TAPE
MD
OUT
STAND-BY
SWITCH
Q805
DELAY
IC802
3
1
D+5.6V
POWER ON
SWITCH
Q821
CUTOFF
SWITCH
Q820,822
ANA -9V
SIN
2
5
F.A
IC410
8BIT S/P CONV
6
F.B
7
F.C
16
SURR
14
F.A
15
F.B
9
AUB1
8
AUB2
13
ST POWER
10
CD POWER
CK
3
LAT
4
12
POW
LD DRIVE
Q101,102
A
D
C
B
F
K
B+
OPTICAL PICK-UP BLOCK
(KSS313A)
LASER ON
DIODE
VR
FOCUS
COIL
TRACKING
COIL
2-AXIS
DEVICE
FCS+
FCS
TRK+
TRK
A
C
B
D
F
E
PD
LD
FOCUS
GAIN
TRACKING
GAIN
FOCUS
BIAS
RV102
RV103
RV101
PD2
36
F
38
E
39
LD
33
PHD
34
FEI
2
TEO
42
TEI
44
FEO
1
23
C OUT
21
DATA
24
SENS
20
XLT
19
CLK
25
FOK
37
FE BIAS
22
IC101
RF AMP,
FOCUS/TRACKING,
SLED SERVO
TRACKING
COIL
DRIVE
FOCUS
COIL
DRIVE
SLED
MOTOR
DRIVE
SPINDLE
MOTOR
DRIVE
FL701
9
R-CH
18
17
12
11
26
27
1
2
M
M
SLED
MOTOR
SPINDLE
MOTOR
SLED
M102
M101
14
15
16
19
25
4
7
MOTOR DRIVE
TRACKING/FOCS
COIL DRIVE
SLED/SPINDLE
IC102
XRESET
TAO
13
FEO
6
FEM
7
SLO
16
TAM
12
SLM
15
IC103
DIGITAL SIGNAL
PROCESSOR
RF
14
CN IN
55
SE IN
54
FOK
1
DATAO
56
XLTO
57
CLKO
59
MDP
3
SPOD
63
S101
LIMIT SW
21
PCMD
22
BCLK
20
LRCK
34
XTAI
6
XTO
DATA
2
BCLK
3
LRCK
1
CKO
4
16
L OUT
13
R OUT
5
XTI
28
MLAT
27
CLOK
26
DATA
IC104
DIGITAL FILTER
D/A CONVERTER
X101
16.9344MHz
51
DATA
53
CLOK
52
XLAT
39
D OUT
11
XRST
XRST
XRST
50
47
SQCK
43
SCOR
52
SQSO 46
49
SENS
STB
12
DATA
11
IC701
SYSTEM CONTROL
TA MUTE
47
TA DATA
6
TA CLOCK
7
SP LATCH
8
ST D OUT
3
ST CE
5
ST CLK
4
ST D IN
45
TU MUTE
50
TUNED
43
STEREO
44
2
AU BUS OUT
DF LATCH
21
CD DATA
18
CD CLOCK
17
DSP LATCH
20
SQCLK
22
SCOR
36
SUBQ
24
SENS
19
9
7
M
LOADING
MOTOR
M103
2
4
LM2
LOAD IN
49
LOAD OUT
48
X1
12
IC105
LOADING MOTOR
DRIVE
LM1
X2
11
5MHz
X701
TA LATCH
9
39
AU BUS IN
41
SIRCS
Q404
8
6
4
5
9
3
AUB CONTROL
IC403
FAN
DRIVE
Q823,824
FAN
8
L
L
J402(3/3)
J401(3/3)
9
11
AUB
AC
AC
8
9
11
AUB
AC
AC
IC901
CD
DIGITAL OUT
3
2
1
AC
AC
SW+5V
1
3
REMOTE
CONTROL
RECEIVER
IC751
10
RESET
Q701
RESET
SWITCH
38
AC CUT
27
DISC DET
IC850
RESET
NON
BACK-UP 5V
XT1
15
XT2
14
32.76kHz
X702
88
80
78
53
.
99
89
100
T0
Q701
BUFFER
F1 F2
T1
T11
S0
S34
26
DISC SET
32
KEY0
33
KEY1
S1
DISC SET
POWER
S2
DISC DET
S761
EJECT
S755
DBFB
S751
VOL
S752
VOL +
S753
FUNCTION
S754
PLAY/
S762
STOP
S763
REW/AMS
S764
FF/AMS
S765
BAND
S766
PAUSE
LOAD IN
49
LOAD IN
49
PLAY/PAUSE
D751
Q921
SWITCH
IC933
REG
F2
F1
AC
AC
3
1
D904
F901
AC IN
D903
D902
Malaysia, Singapore, Hong Kong,
Tourist MODEL
Tourist MODEL
AEP, UK, German MODEL
D905
T901
IC932
REG
3
1
IC931
REG
3
1
Q924
SWITCH
IC941
REG
3
1
Q931
CD SW+5V
Q910,911
SWITCH
D901
D703
D704
L701
L901
POW B+
POW B-
SW D +5V
SW A +5V
CDP +7V
ST +12V
(TUNER)
D+5.6V
(IC701)
(IC701)
NON BACK-UP 5V
(IC701)
BACK-UP
(IC701)
ANA +9V
ANA -9V
D +5V
16
L
L
L
L
IN
OUT
PC
FM
AM
19
DET
2
16
4
IC601
RDS
IC602
BUFFER
AEP,German,
UK MODEL
RDS DATA
42
RDS CLK
37
240V
120V
S901
: FM
: MD
: VIDEO/PC
: TAPE
SIGNAL PATH
: REC
: CD
: DIGITAL OUT
• R-CH : Same as L-CH
TAPE
MD
IN
OPTICAL
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
I/O
—
O
O
O
O
O
O
O
O
I
O
I
—
O
I
—
O
O
I
O
O
O
—
I
—
I
I
I
I
I
I
I
I
—
—
I
I
I
I
—
I
—
I
I
I
—
O
O
O
O
Description
Power supply (+5V)
AU_BUS output
Tuner pack (TB401) serial data output
Tuner pack (TB401) clock output
Tuner pack (TB401) latch output
Data output to electronic VOL (IC424) serial-to-parallel conversion IC (IC410)
Clock output to electronic VOL (IC424) serial-to-parallel conversion IC (IC410)
Latch output to serial-to-parallel conversion IC (IC410)
Latch output to electronic VOL (IC424)
SYSTEM RESET
Main clock oscillator output (5MHz)
Main clock oscillator input (5MHz)
Connected to Vss
Watch oscillator output (32.768 kHz)
Watch oscillator input (32.768 kHz)
Positive power supply (+5V)
CD clock output
CD data output
CD DSP sense input
CD DSP latch output
CD D/A latch output
CD Sub Q clock output
(Not used)
Sub Q data input
Ground
CDM chucking sensor
CDM disc sensor
CDM disc sensor
CDM disc sensor
CDM disc sensor
Identification input of destination
Key input
Key input
Built-in A/D converter analog power supply (+5V)
Built-in A/D converter reference voltage input (+5V)
DSP SCOR input
DSP clock input
AC power off detection
AU_BUS input
Ground
SIRCS remote control input
(Not used)
Tuner pack (TB401) TUNED input
Tuner pack (TB401) STEREO input
Tuner pack (TB401) DATA input
Positive power supply (+5V)
TA mute output
CDM 50 load output
CDM 50 load input
Tuner pack (TB401) mute output
Pin Name
D+5V
AUB OUT
ST DATA OUT
ST CLOCK
ST LATCH
TA DATA OUT
TA CLOCK
LATCH (S.P)
LATCH (VOL)
RESET
X2
X1
D.GND
XT2
XT1
D+5V
CD CLOCK
CD DATA
SENSE
DSP LATCH
DF LATCH
SQCLK
(OPEN)
SUBQ
AD.GND
DISC SET
DISC DET
LOAD END
DISC IN
DISC 8/12
DEST
KEY0
KEY 1
AD+5V
AD+5V REF
SCOR
RDS.CLOCK
AC.CUT
AUB IN
D.GND
SIRCS
RDS.DATA
TUNED
STEREO
ST DATA
D+5V
TA.MUTE
LOAD OUT
LOAD IN
ST.MUTE
5-13. IC PIN FUNCTION
• IC701 µPD780206GF-023-3BA
— 42 —
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
—
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
Description
CD PLAY LED output
CD PAUSE LED output
FL tube segment output
FIP controller pull-down resistor is connected here (–27V)
FL tube segment output
FL tube grid output
Pin Name
PLAY LED
PAUSE LED
S34
S33
S32
S31
S30
S29
S28
S27
S26
S25
S24
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
S11
S10
S9
VG–27V
S8
S7
S6
S5
S4
S3
S2
S1
S0
T11
T10
T9
T8
T7
T6
T5
T4
T3
T2
T1
T0
— 43 —
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