Sony CMT-CP33MD / HCD-CP33 / HCD-CP33K Service Manual ▷ View online
33
0 dB=0.775 V
DECK SECTION
Tape
Signal
Used for
P-4-A100
10 kHz, –10 dB
Azimuth Adjustment
Note: Confirm each contents of this section first of all. If the results are
not satisfied, do the adjustment.
1.
Demagnetize the record/playback head with a head
demagnetizer.
demagnetizer.
2.
Do not use a magnetized screwdriver for the adjustments.
3.
After the adjustments, apply suitable locking compound to the
parts adjust.
parts adjust.
4.
The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
supply voltage unless otherwise noted.
5.
The adjustments should be performed in the order given in this
service manual. (As a general rule, playback circuit adjustment
should be completed before performing recording circuit
adjustment.)
service manual. (As a general rule, playback circuit adjustment
should be completed before performing recording circuit
adjustment.)
6.
The adjustments should be performed for both L-CH and R-
CH.
CH.
7.
Switches and controls should be set as follows unless otherwise
specified.
specified.
• Test Tape
Record/Playback Head Azimuth Adjustment
Procedure:
1.
Procedure:
1.
Mode: Playback
set
MAIN board
LINE OUT jack (PJ301)
L-CH, R-CH
LINE OUT jack (PJ301)
L-CH, R-CH
+
–
–
level meter
test tape
P-4-A100
(10 kHz, –10 dB)
P-4-A100
(10 kHz, –10 dB)
Screw
position
position
L-CH
peak
peak
within
1dB
1dB
Output
level
level
L-CH
peak
peak
R-CH
peak
peak
within
1dB
1dB
Screw
position
position
R-CH
peak
peak
2.
Turn the adjustment screw and check output peaks. If the peaks
do not match for L-CH and R-CH, turn the adjustment screw
so that outputs match within 1dB of peak.
do not match for L-CH and R-CH, turn the adjustment screw
so that outputs match within 1dB of peak.
3.
Mode: Playback
4.
Repeat step 1 to 3 in playback (REV) mode.
5.
After the adjustments, apply suitable locking compound to the
pats adjusted.
pats adjusted.
Adjustment Location:
MAIN
board
CN301
set
board
CN301
set
test tape
P-4-A100
(10 kHz, –10 dB)
P-4-A100
(10 kHz, –10 dB)
R-CH
oscilloscope
L-CH
R-CH
V
H
waveform of oscilloscope
in phase 45
° 90° 135° 180°
good
wrong
MAIN board
LINE OUT jack (PJ301)
L-CH
LINE OUT jack (PJ301)
L-CH
forward
reverse
34
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGARAMS
Note on Printed Wiring Board:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• b : Pattern from the side which enables seeing.
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• b : Pattern from the side which enables seeing.
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
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.
•
¢
: internal component.
• C : panel designation.
• U : B+ Line.
• V : B– Line.
• H : adjustment for repair.
• Voltages are taken with a VOM (Input impedance 10 M
• V : B– Line.
• H : adjustment for repair.
• 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.
• Signal path.
F
: TUNER
E
: TAPE PLAY
a
: TAPE RECORD
J
: CD PLAY (ANALOG OUT)
c
: CD PLAY (OPTICAL OUT)
• Abbreviation
AUS
: Australian model.
SP
: Singapore model.
MY
: Malaysia model.
TW
: Taiwan model.
HK
: Hong Kong model.
AR
: Argentine model.
CND : Canadian model.
AED
AED
: North European model.
KR
: Korean model.
TH
: Thai model.
JE
: Tourist model.
Note:
The components identi-
fied by mark
The components identi-
fied by mark
! or dotted
line with mark
! are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
! sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
SECTION 7
DIAGRAMS
HCD-CP33
35
35
1
IC306 qa
2
IC306 qd
3.0Vp-p
30.5
µsec
4.1Vp-p
62.5ns
• Waveforms
– MAIN Board –
– MAIN Board –
7-1. CIRCUIT BOARDS LOCATION
POWER board
MAIN board
LCD board
CONTROL(A) board
CONTROL(B) board
1
IC101 1, 2 (I, J)
(PLAY mode)
2
IC101 4 (A) (PLAY mode)
3
IC101 8, 9 (E, F)
(PLAY mode)
0.46Vp-p
0.1Vp-p
0.06Vp-p
4
IC121 qh (OSCI)
5
IC121 wj (LRCK)
6
IC121 wk (XBCK)
7
IC121 wl (FS256)
8
IC121 o; (FS4)
3.1Vp-p
22.581MHz
3.2Vp-p
44.1kHz
3.8Vp-p
2.822MHz
3.8Vp-p
11.29MHz
3.2Vp-p
176.4kHz
– BD (1/2) SECTION –
– BD (2/2) SECTION –
LOADING board
BD board
DIGITAL board
SW board
Note
CD block, tape deck block and
tuner pack are supplied with
the assembled block.
tuner pack are supplied with
the assembled block.
1
IC316 qd
2
IC202 8
3.4Vp-p
100nsec
3.6Vp-p
44.4nsec
– DIGITAL Board –
HCD-CP33
36
36
7-2. BLOCK DIAGRAM – BD Section –
• Signal Path
• R-CH is omitted
OPTICAL PICK-UP
BLOCK
(KMS-260A/K1NP)
A
B
C
D
E
F
LD
VC
GND
PD
APC
Q162,163
FOCUS
COIL
TRACKING
COIL
16
RF AMP
IC101
VC
3
A
4
B
5
C
6
D
7
E
8
F
9
APC
11
PD
10
IC152
MOTOR/COIL DRIVE
CH1FO
23
CH1RO
21
CH2FO
10
CH2RO
12
CH3FO
27
CH3RO
25
M
M102
SLED
MOTOR
CH4FO
6
CH4RO
8
M
M101
SPINDLE
MOTOR
F-
F+
T-
T+
19
CH1FI
18
CH1RI
14
CH2FI
15
CH2RI
29
CH3FI
30
CH3RI
3
CH4FI
16
PSB
SPFD
94
SRDR
91
SFDR
92
TRDR
85
FFDR
88
DIGITAL SIGNAL PROC.
IC121
DIGITAL SERVO
26
DADT
33
AUX
16
SWDT
12
APCREF
AUX1
67
DTRF
82
5
SWDT
A
CD
SECTION
(Page 37)
(Page 37)
(Page 37)
(Page 37)
(Page 37)
(Page 38)
DIN0
6
SCLK
7
XLAT
11
SQSY
12
DQSY
10
XRST
SWDT
35
SCLK
37
XLATCH
66
SQSY
27
DQSY
75
SCTX
72
MOTOR
DRIVE
2
4
10
9
M
IC153
LOADING
MOTOR
M103
TFDR
86
FRDR
89
J
J
2
I
I
1
LASER ON
Q101
HF
MODULE
HF MODULE SW
IC103,Q102-104
38
RF
RFI
57
36
BOTM
BOTM
64
37
PEAK
PEAK
63
34
FE
FE
66
35
ABCD
ABCD
65
26
TE
TE
75
28
SE
SE
74
32
ADFG
ADFG
78
17
SCLK
CKRF
81
18
XLAT
XLRF
80
20
FCONT
FCONT
79
HEAD
DRIVE
Q181,182
11
8
6
5
1
2
EFMO
100
DRIVE
OVER
WRITE
HEAD
HR901
OVER WRITE
HEAD
IC181
TX
15
19
DIN0
20
DIN1
25
ADDT
16
OSCI
27
XRCK
28
XBCK
SYSTEM CONTROL
IC316
IC123
7
3
1
MNT0
MNT0
82
2
MNT1
MNT1
81
3
MNT2
MNT2
80
4
MNT3
MNT3
79
9
SENS
SENS
78
8
SRDT
SRDT
36
14
XINT
XINT
73
2
VINL1
DATAO
18
DRAM
IC124
34
31
36
.
40
45
.
49
48
50
.
51
.
.
6
9
11
.
15
5
.
A0
A9
1
2
18
.
19
.
.
D0
D3
A0
A9
D0
D3
47
XWE
XWE
3
46
XRAS
XRAS
4
44
XCAS
XCAS
17
43
XOE
XOE
16
4
CH4RI
SPRD
93
13
RECP
APCREF
83
9
8
IC202
11
10
IC202
X201
22MHz
22
L3DATA
21
L3CLK
69
L3MODE
DATAI
19
BCK
16
WS
17
SYSCLK
12
L3DATA
15
L3CLK
14
L3MODE
13
A/D,D/A CONV.
IC201
4
VINR1
26
VOUTL
R-CH
B
TC
SECTION
MD IN1 L
DATA OUT L
C
TC
SECTION
LEVEL L
D
TC
SECTION
E
POWER
SECTION
3
LEVEL L
24
VOUTR
R-CH
4
LEVEL R
R-CH
88
SDA
30
IIC DATA
29
IIC CLK
IIC DATA
IIC CLK
12
S RST
18
P DOWN
RESET
P DOWN
13
XOUT
15
XIN
X701
10MHz
LDON
57
WR PWR
67
MOD
65
DIG RST
77
LD IN
54
LD OUT
55
6
MOTOR SW
Q350
LD LOW
56
EEPROM
IC171
87
SCL
5
6
VIDEO
AMP
S101,102
S601,602,604
63
LIMIT IN
58
REFLECT
59
PROTECT
53
PACK OUT
60
PB-P
74
REC-P
: MD PB
: MD REC
: PB(Digital out)
: REC(Digital out)
21
DOUT
(NON CONNECT)
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