DOWNLOAD Sony CMT-DC1 / HCD-DC1 Service Manual ↓ Size: 4.66 MB | Pages: 51 in PDF or view online for FREE

Model
CMT-DC1 HCD-DC1
Pages
51
Size
4.66 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cmt-dc1-hcd-dc1.pdf
Date
PREV: Sony NW-MS6 Service Manual

Sony CMT-DC1 / HCD-DC1 Service Manual ▷ View online

HCD-DC1
31
31
C905
C904
R902
RY901
C902
D902
D904
D903
C903
D905
C906
D906
D908
D907
C907
C916
C915
D911
D910
D912
D913
C913
C914
C910
R904
R905
D909
C908
C909
CN902
D917
T901
D915
Q901
CN901
C917
C911
C920
LF901
F902
JW921
JW908
JW923
T902
Q902
C918
F903
F904
D918
F901
F905
JW920
JW924
JW912
JW913
S901
R909
JW907
0.022
0.022
1k
0.022
1N5401
1N5401
1N5401
0.022
1N5401
0.022
2A02M
2A02M
2A02M
0.022
0.022
0.022
1SS133T-77
1SS133T-77
1SS133T-77
1SS133T-77
0.022
0.022
0.022
4.7k
47k
2A02M
0.022
0.022
9P
1SS133T-77
MTZJ-T-77-6.2B
KTC3205-Y-AT
2P
220
10V
47
16V
220
16V
T1.25AL
250V
2SC2785
-TP-FEK
10
10V
MTZJ-T-77-6.2B
T0.8AL
250V
3.3M
*
*
S2-GND
+22.5V
-22.5V
S1-GND
RELAY ON
-14V(S2)
+14V(S2)
RELAY 5V
BACKUP5V
*
*
NOT REPLACEABLE:
BUILT IN TRANSFORMER
MAIN POWER
TRANSFORMER
SUB POWER
TRANSFORMER
DRIVE
RELAY
(AC IN)
B+ SWITCH
230V
115V
COM
230V
115V
COM
110-120V
220-240V
VOLTAGE
SELECTOR
LINE FILTER
F903,904
*
T2AL 250V
T3.15AL 125V
(EXCEPT US,CND,MX)
(US,CND,MX)
(HK,MY,SP)
(EXCEPT HK,MY,SP)
(US,CND,MX)
T0.8AL 250V
T1.25AL 125V
(AEP,UK)
(HK,MY,SP)
(AEP,UK)
(US,CND,MX)
230V
120V
HK,MY,SP
EXCEPT
(HK,MY,SP)
HK,MY,SP
EXCEPT
(AEP,UK)
(HK,MY,SP)
(HK,MY,SP)
(AEP,UK)
(US,CND,MX)
230V
120V
(US,CND,MX)
(EXCEPT US,CND,MX)
(US,CND,MX)
(EXCEPT US,CND,MX)
(US,CND,MX)
(US,CND)
(CHASSIS)
6-16. SCHEMATIC  DIAGRAM  – POWER Board –
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(Page 25)
Ver 1.1
The components identified by mark 
0
 or dotted
line with mark 
0
 are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque 
0
 sont
critiques pour la sécurité.
Ne les remplacer que
par une pièce portant le numéro spécifié.
HCD-DC1
32
32
6-17.
IC  PIN  FUNCTION  DESCRIPTION
•
 MAIN BOARD   IC801   CXP83124A-050Q (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
TAPE-END
I
Tape end detect sensor input terminal    “H”: input when the tape end detected
2
RDS-IN
I
Serial data reading clock signal input from the RDS decoder (IC804)
3
REMOCON
I
Sircs remote control signal input from the remote control receiver (IC802)
4
MOT-CON
O
Capstan/reel motor on/off control signal output terminal    “H”: motor on
5
C-DATA/
TU-DATA      
O
Serial data output to the DSP/SSP (IC101) (at CD function)
PLL serial data output to the PLL IC (LC72137M) (at tuner function)
6
T-MODE
I
Head position detect switch input terminal    “L”: forward direction, “H”: reverse direction
7
REG-CON
O
Main system power supply on/off contorl signal output terminal    “H”: power on
8
C-CLK/TU-CLK
O
Serial data transfer clock signal output to the DSP/SSP (IC101) (at CD function)
PLL serial data transfer clock signal output to the PLL IC (LC72137M) (at tuner funcion)
9
JOG-C (BASS)
I
Jog dial pulse input from the rotary encoder (C phase input)    Not used (fixed at “L”)
10
SOL-CON
O
Trigger plunger on/off control signal output terminal    “H”: plunger on
11
C-SQCK
O
Subcode Q data reading clock signal output ti the DSP (IC110) (at CD function)
12
C-SQSO/
RDS-DATA
I
Subcode Q data input from the DSP (IC101) (at CD function)
RDS serial data input from the RDS decoder (IC804) (at tuner function)
13
TRAY-OPEN
O
Motor drive siganl output to the disc tray open/close motor driver (IC320)    “H”: active    *1
14
HOLD
O
Automatic power control hold signal output to the RF Amp (IC103) 
15
TRAY-CLOSE
O
Motor drive signal output to the disc tray open/close motor driver (IC309)    “H”: active    *1
16
JOG-D (BASS)
I
Jog dial pulse input from the rotary encoder (D phase input)    Not used (fixed at “L”)
17
TUNED
I
Tuning detection signal input from the LA1837M (IC1) (at tuner function)
18
SENSE2/
TU-COUNT
I
Internal status detection monitor input from the DSP (IC101)
(for MIRR, DFCT2, etc.) (at CD function)
PLL count data input from the PLL IC (LC72137M) (at tuner function)
19
C-LATCH/
TU-CE
O
Serial data latch pulse output to the DSP (IC101) (at CD function)
PLL serial chip enable signal output to the PLL IC (LC72137M) (at tuner function)
20
JOG-B
I
Jog dial pulse input from the rotary encoder (RV801 VOLUME) (B phase input)
21
JOG-A
I
Jog dial pulse input from the rotary encoder (RV801 VOLUME) (A phase input)
22
AMP-MUTE
O
Muting on/off control signal output to the power amplifier (IC101, 201)     “H”: muting on
23
JOG-G
I
Jog dial pulse input from the rotary encoder (G phase input)    Not used (fixed at “L”)
24
HP-CHK
I
Headphone jack IN/OUT check detection signal input terminal
25
TU-ON
O
Power supply on/off control signal output of the tuner section (FM +7.5V)
LED drive signal output of the TUNER/BAND indicator (D853)
“H”: tuner power on (LED on)
26
D. S. G.
O
LED drive signal output of the DSG (Dynamic Sound  Generator) indicator (D854)
“H”: LED on
27
CD-SYNC
O
LED drive signal output of the CD SYNC indicator (D856)    “H”: LED on
28
SCK
O
Serial data transfer clock signal output to the BD3861FS (IC323)
29
JOG-E
I
Jog dial pulse input from the rotary encoder (E phase input)    Not used (fixed at “L”)
Pin No.
Pin Name
I/O
Description
30
JOG-F
I
Jog dial pulse input from the rotary encoder (F phase input)    Not used (fixed at “L”)
31
JOG-H
I
Jog dial pulse input from the rotary encoder (H phase input)    Not used (fixed at “L”)
32
TC-SW
I
Half detect (side A and B) switch and cassette in detect switch input terminal (A/D input) 
33
TRAY-SW
I
Disc tray position detect switch (S1) input terminal (A/D input)
 “L”: close position,  “M”: open position,  “H”: moving
34
KEY3
I
Key input terminal (A/D input)    S813 to S816 (TUNER/BAND, TUNING +/-, FUNCTION
input)
35
KEY2
I
Key input terminal (A/D input)    S801 to S806 (I/1, CD u/x/M/m/Z keys input)
36
KEY1
I
Key input terminal (A/D input)
S807 to S812 (TAPE n N/x/M/m/X, CD SYNC keys input)
37
SIMUKE/TEST
I
Destination setting terminal (A/D input)
38
RESET
I
System reset signal input from the reset signal generator (IC803)    “L”: reset
For several hundreds msec. after the power supply rises,  “L”: is input, then it changes to “H”
39
EXTAL1
O
Main system clock input terminal (4.19MHz)
40
XTAL1
O
Main system clock output terminal (4.19MHz)
41
VSS
—
Ground terminal
42
XTAL2
O
Sub system clock output terminal (500kHz)    Not used (open)
43
EXTAL2
I
Sub system clock input terminal (500kHz)    Not used (fixed at “L”)
44
AVREF
I
Reference voltage (+5V) input terminal (for A/D conversion)
45
AVSS
—
Ground terminal (for A/D conversion)
46
VL
O
Liquid crystal display bias on/off control signal output terminal
47 to 49
VLC3 to VLC1
—
Power supply terminal for the liquid crystal display bias
50 to 53
COM0 to COM3
O
Common drive signal output to the liquid crystal display (LCD801)
54 to 85
SEG0 to SEG31
O
Segment drive signal output to the liquid crystal display (LCD801)
86
C-XRST/FM ON
O
Reset signal output to the DSP (IC101) and BA5974FP (IC102) (at CD function)
FM power supply ON/OFF control signal output to the tuner section (FM +7.5V
(at tuner function)
87
REC-MUTE
O
Recording muting on/off selection signal output to the Tape section
“H”: muting on, “L”: muting of
88
SDA
O
Serial data output to the BD861FS (IC323)
89
VDD
—
Power supply terminal (+5V)
90
NC
—
Not used (open)
91
VSS
—
Ground terminal
92
TX
O
Sub system clock output terminal (32.768kHz)
93
TEX
I
Sub system clock input terminal (32.768kHz)
94
CD-ON
O
Power supply on/off control signal output of the CD section (+5V)
LED drive signal output of the CD u indicator (D852)    “H”: CD power on (LED on)
95
REC/PB
O
Recording/playback selection signal output to the BA3126N (IC402)
“L”: playback mode, “H”: recording mode
96
L-MUTE
O
Line muting on/off selection signal output to the Tape section
“H”: muting on, “L”: muting off
97
AU-MUTE
O
muting on/off control signal output terminal    “H”: muting on
98
TC-ON
O
Power supply on/off control signal output of the cassette holder back light
LED drive signal output of the TAPE n N indicator (D855)    “H”: back light on (LED on)
99
WP
I
Wakeup control signal input terminal
100
C-SCOR
I
Subcode sync (S0+S1) detection signal input from DSP on the CD section (at CD function)
*1  Disc tray open/close motor control
AUX1
AUX2
USB
CD-C
TRAY-OPEN (pin qd)
“L”
“L”
“H”
“H”
AUDIO_SEL2 (pin qg)
“L”
“H”
“L”
“H”
Terminal
Mode
33
HCD-DC1
LEVEL SHIFT
INTERFACE
INTERFACE
INTERFACE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
20
21
22
23
24
25
26
27
28
19
18
17
16
15
F
R
R
F
F
R
R
F
R
R
F
F
MUTE
THERMAL
SHUTDOWN
VREFOUT
VREFIN
POWVCC
CH1FIN
CH1RIN
CH2FIN
CH2RIN
CH2OUTR
CH2OUTF
CH1OUTR
CH1OUTF
CAP
AIN1
CAP
AIN2
GND
PRFVCC
MUTE
POWVCC
CH4SIN'
CH4SIN
CH4BIN
CH3FIN
CH3RIN
CH3OUTR
CH3OUTF
CH4OUTR
CH4OUTF
CAP
AIN3
GND
TE
RFDC
CE
IGEN 
AVSS0 
ADIO 
AVDD0
CLTV
FILO
AVSS3
VSS
AVDD3
DOUT
VDD
PCO
FILI
ASYO
ASYI
RFAC
BIAS
SSTP
DFCT
MIRR
MDP
LOCK
FOK
SFDR
VSS
TEST
FRDR
FE
VC
COUT
SE
XTSL
TES1
SRDR
TFDR
FFDR
TRDR
2
1
70
71
68
69
66
67
64
65
62
61
63
73
74
72
75
76
77
78
79
80
4
XRST
3
SQCK
SQSO
5
9
8
7
6
56
60
53
54
55
59
57
58
51
52
48
49
50
47
44
45
46
43
41
42
XLAT
CLOK
SENS
SYSM
DATA
XUGF
XPCK
GFS
C2PO
WFCK
10 11 12 13 14 15 16 17 18 19 20
21
22
23
24
25
26
32
33
30
31
36
37
34
35
39
40
38
28
27
29
SPOA
ATSK
SCLK
VDD
SCOR
SPOB
XLON
XTAI
XVDD
EMPH
AVDD1
AOUT1
AIN1
XTAO
XVSS
AIN2
AOUT2
AVDD2
RMUT
LOUT2
LOUT1
BCK
LRCK
PCMD
LMUT
AVSS1
AVSS2
CPU
INTERFACE
SERVO AUTO
SEQUENCER
SERIAL IN
INTERFACE
OVER SAMPLING
DIGITAL FILTER
3rd ORDER
NOISE SHAPER
PWM
PWM
EFM
DEMODULATOR
TIMING
LOGIC
DIGITAL
OUT
D/A
INTERFACE
DIGITAL
PLL
ASYMMETRY
CORRECTION
CLOCK
GENERATOR
MIRR, DFCT,
FOK
DETECTOR
DIGITAL
CLV
SUBCODE
PROCESSOR
SERVO
INTERFACE
SERVO DSP
FOCUS
SERVO
TRACKING
SERVO
SLED
SERVO
PWM GENERATOR
FOCUS PWM
GENERATOR
TRACKING
PWM GENERATOR
SLED PWM
GENERATOR
16K
RAM
ERROR
CORRECTOR
INTERNAL BUS
A/D
CONVERTER
OPERATIONAL
AMPLIFIER
ANALOG SWITCH
• IC Block Diagrams
– CD Board –
IC101
CXD2587Q
IC102
BA5974FP-E2
34
HCD-DC1
APC PD AMP
APC LD AMP
RF SUMMING AMP
RF EQ AMP
FOCUS ERROR AMP
TRACKING
ERROR AMP
VC BUFFER
VCC
50
µ
A
VEE
VEE
VC
VC
VC
VC
VC
VC
VC
VC
VC
VC
VCC
VEE
VCC
VEE
VEE
VC
VCC
LC/PD
LD ON
HOLD SW
AGC CONT
RFTC
RF I
RF O
RFE
TE
FE
RF BOT
HOLD
AGC VTH
LD
PD
A
B
C
D
VEE
F
E
VC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
+
–
+
–
+
–
+
–
+
–
+
–
+ 
–
VCC
+
–
+
–
+
–
+
–
+ 
–
+ 
–
+ 
–
+ 
–
+
–
IC103
CXA2568M-T6
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