Sony CMT-CPZ3 / HCD-CPZ3 Service Manual ▷ View online
HCD-CPZ3
HCD-CPZ3
17
17
SECTION 5
ELECTRICAL ADJUSTMENTS
Note:
1. CD Block is basically constructed to operate without adjustment.
2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated.
3. Use an oscilloscope with more than 10 MΩ impedance.
4. Clean the object lens by an applicator with neutral detergent when the
signal level is low than specifi ed value with the following checks.
5. Check the focus bias check when optical pick-up block is replaced.
FOCUS BIAS CHECK
+
–
BD board
TP (RFACI)
TP (VC)
oscilloscope
(DC range)
Procedure:
1. Connect oscilloscope to TP (RFACI) and TP (VC) on the BD
board.
2. Press the [
?
/
1
] button to turn the power ON, and press the
[FUNCTION] button to select “CD”.
3. Insert the disc (YEDS-18) and press the [CD u] button to
playback.
4. Confi rm that oscilloscope waveform is as shown in the fi gure
below. (eye pattern)
A good eye pattern means that the diamond shape (◊) in the
center of the waveform can be clearly distinguished.
VOLT/DIV: 200 mV
TIME/DIV: 500 ns
level:
0.9 r 0.4 Vp-p
Checking Location:
TP
(VC)
TP
(RFACI)
IC201
– BD Board (Conductor Side) –
DECK SECTION
Tape
Signal
Used for
P-4-A063
6.3 kHz, -10 dB
Azimuth Adjustment
0 dB = 0.775V
1. Demagnetize the record/playback head with a head
demagnetizer.
2. Do not use a magnetized screwdriver for the adjustments.
• Test Tape
RECORD/PLAYBACK HEAD AZIMUTH ADJUSTMENT
Note: Remove the cover (azimuth) before this adjustment.
Procedure:
1. Mode: Playback
set
HP/MD board
PHONES jack
(J982)
+
–
level meter
test tape
P-4-A063
(6.3 kHz, –10 dB)
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.
Screw
position
L-CH
peak
within
1dB
Output
level
L-CH
peak
R-CH
peak
within
1dB
Screw
position
R-CH
peak
3. Mode: Playback
set
test tape
P-4-A063
(6.3 kHz, –10 dB)
oscilloscope
V
H
waveform of oscilloscope
in phase
45° 90° 135° 180°
good
wrong
HP/MD board
PHONES jack
(J982)
4. After the adjustments, apply suitable locking compound to the
pats adjusted.
Adjustment Location: Record/Playback/Erase Head
forward
reverse
FM TUNE LEVEL CHECK
signal
generator
set
Procedure:
1. Turn on the set.
2. Input the following signal from signal generator to FM antenna
input directly.
Carrier frequency : A = 87.5 MHz, B = 98 MHz, C = 108 MHz
Deviation
: 75 kHz
Modulation
: 1 kHz
ANT input
: 35 dBu (EMF)
Note: Use 75 ohm coaxial cable to connect signal generator and the set.
You cannot use video cable for checking.
Use signal generator whose output impedance is 75 ohm.
3. Set to FM tuner function and tune A, B and C signals.
4. Confi rm “TUNED” is lit on the display for A, B and C signals.
When the selected station signal is received in good condition,
“TUNED” is displayed.
TUNER SECTION
CD SECTION
HCD-CPZ3
HCD-CPZ3
18
18
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM - CD SERVO/TAPE DECK/TUNER Section -
OPTICAL
PICK-UP BLOCK
(KSM-215DCP)
CH2OUTF
CH2FIN
FOCUS/TRACKING COIL DRIVER,
SLED/SPINDLE MOTOR DRIVER
IC402
12
6
CH2OUTR
11
CH1OUTR
13
CH1OUTF
14
CH3OUTF
17
CH3OUTR
18
SL–
SL+
TRK–
TRK+
FCS–
FCS+
2-AXIS
DEVICE
PD
LD
B
A
D
C
F
E
M402
(SLED)
M
CH4OUTF
16
CH4OUTR
15
CH2RIN 7
CH1RIN 5
CH1RIN 5
CH1FIN 4
CH3FIN 23
CH3RIN 22
OPIN+ 3
CH4IN 24
OPOUT 27
FFDR
45
PD
67
F
51
E
50
D
60
C
59
B
58
A
57
LD
66
FRDR
46
TRDR
44
TFDR
43
SFDR
41
SRDR
42
MDP
38
SP–
SP+
M401
(SPINDLE)
M
CD DSP
IC201
SYSTEM CONTROLLER
IC301 (1/3)
XTAI 109
XTAO 108
SSTP 39
X202
16.9344MHz
S201
(LIMIT)
D +3.3V
CD-L
DOUT
RFACO
101
AOUT1 112
AOUT2 117
70
RFACI
71
XRST
8
MUTE
20
XTACN 7
SSTB-MP3 85
ACK-MP3 15
MP3 ACK
87
B
TAPE REC-L
D
TAPE PB-L
C
TUNER-L
AUTOMATIC
POWER CONTROL
Q321
MP3 SSTB
3
CD XTACN
82
CDM SW1 (OPEN)
77
CDM SW2 (CLOSE)
76
CDM LOAD OUT
79
CDM LOAD IN
80
CD XRST
83
IREQ-MP3 10
REQ-MP3 14
XLAT-MP3 13
CLK2 90
MP3 CLK
7
MP3 XLAT
85
MP3 REQ
86
MP3 IREQ
84
DATA2 12
SCOR 26
CD SCOR
19
MP3 DATA OUT
5
MP3 DATA IN
6
SENS 20
XLAT 16
CLOK 11
DATA 89
CD DATA
35
CD CLK
37
CD XLAT
88
CD SENS
36
TUNED IN
25
ST DATA OUT
23
ST DATA IN
22
ST CLK
21
ST CE
24
RDS INT
18
STEREO
55
ST MUTE
2
RDS DATA
26
S701
(OUT)
S702
(CHUCK)
OPTICAL
TRANSCEIVER
IC981
CD
DIGITAL
OUT
R-CH
REC/PB SWITCH
Q601, 602
Q681, 682
REC/PB SWITCH
Q680, 681, 688
BIAS OSC
T601
REC BIAS
SWITCH
Q639, 640
A +9V
BIAS OSC
Q642, 643
ERASE
HRPE601
(REC/PB/ERASE)
L-CH
R-CH
R-CH
REC/PB EQ AMP, ALC
IC601
BIN (R)
36
REC OUT (R)
10
ALC ON/OFF
11
RECMUTE ON/OFF
15
MUTE ON/OFF
14
A/B (REC RETURN ON/OFF)
13
PB OUT (R) 5
REC IN (R) 7
TUNER (FM/AM)
L OUT
R OUT
CE
R-CH
TUNED
STEREO
ST MUTE
DI
DO
CLK
RDS DATA
RDS INT
AM
ANTENNA
FM ANT
AM ANT
ANT GND
ANT GND
FM 75:
COAXIAL
A
TAPE MECHANISM
DECK BLOCK
CAPSTAN/REEL
MOTOR DRIVE
Q692, 694
TRIGGER
PLUNGER DRIVE
Q691, 693
M
M
(CAPSTAN/REEL)
(DECK-A)
TRGM+
M+10V
(Serial No. 5138501 or smaller)/
CAPM+ (Serial No. 5138502 or larger)
END SW
(Serial No. 5138501 or smaller)/
TC END SW (Serial No. 5138502 or larger)
R REC
(Serial No. 5138501 or smaller)/
R-REC (Serial No. 5138502 or larger)
F REC
(Serial No. 5138501 or smaller)/
F-REC (Serial No. 5138502 or larger)
91
TC END SW
27
TC TRIG
28
TC CAPM CNT1
PLAY SW
31
TC PLAY
38
TC REC MUTE
34
TC LINE MUTE
32
BIAS ON/OFF
33
TC PB/REC SW
39
ALC
92
TC HALF/REC SW
M
LOADING
MOTOR DRIVE
IC701
M701
(LOADING)
PACK
SIGNAL PATH
: CD PLAY (ANALOG)
R-FK is omiWWeG GXe Wo same as L-FK.
: CD PLAY (DIGITAL)
: TAPE PLAY
: TAPE REC
: TAPE PLAY
: TAPE REC
: TUNER
(Serial No. 5138501 or smaller)
TC HALF. REC SW
(Serial No. 5138502 or larger)
HALF REC
SWITCH
Q695, 696
(Page 19)
(Page 19)
(Page 19)
(Page 19)
Ver. 1.1
HCD-CPZ3
HCD-CPZ3
19
19
6-2. BLOCK DIAGRAM - MAIN Section -
MUTING
Q414
: TAPE PLAY
: TAPE REC
: TAPE REC
: CD PLAY
: TUNER
51 50
54
HP DET
A
TUNER-L
C
TAPE PB-L
B
CD-L
D
TAPE REC-L
MUTING
Q413
J860
L
R
SPEAKER
R-CH
R-CH
J982
R-CH
R-CH
PHONES
J981
ANALOG
IN
AMP SI
AMP SC
52
LINE MUTE
MUTING
CONTROL
Q401, 402
R-CH
53
HP MUTE
MUTING
CONTROL
Q403, 404
Signal Path
: AUX IN
R-ch is omitted due to same as L-ch.
R-CH
X701
12.288MHz
31 DATA
30 BCK
29 LRCK
30 BCK
29 LRCK
11
OUTL1
9
OUTL2
6
OUTR1
4
OUTR2
36
XFSIIN
STREAM PROCESSOR
IC705
1 LIN
2 RIN
12
DOUT
11
BCK
10
LRCK
15
SCKI
44
S-MASTER DATA
21
SCDT
43
S-MASTER SHIFT
22
SCSHIFT
42
S-MASTER LATCH
23
SCLATCH
41
S-MASTER NSP MUTE
18
NSPMUTE
47
S-MASTER SOFT MUTE
19
SOFTMUTE
48
S-MASTER PG MUTE
20
PGMUTE
49
S-MASTER OVF
25
OVF FLAGL
24
OVF FLAGR
40
S-MASTER INIT
27
INIT
A/D CONVERTER
IC701
OSC BUFFER
IC703
OSC
BUFFER
IC709
INPUT SELECT,
ELECTRICAL VOLUME
IC501
B1
A1
A1
D1
C1
7
5
5
11
9
OUT1
17
18
SI
SC
22
SEL1 2
X702
49.152MHz
48
XFSOIN
2 BP
17 AP
26
OUTA
25
OUTA
29
OUTB
30
OUTB
POWER DRIVER
IC707
R-CH
R-CH
R-CH
R-CH
46
S-MASTER RST
4
/RST
45
S-MASTER SD
13
/SD
PROTECT
DETECT
Q701
DC
DETECT
Q702, 703
SYSTEM CONTROLLER
IC301 (2/3)
7
6
6
1
2
2
5
3
2
4
+
–
+
–
–
+
–
HEADPHONE
AMP
IC502
R-CH
(Page 18)
(Page 18)
(Page 18)
(Page 18)
HCD-CPZ3
HCD-CPZ3
20
20
6-3. BLOCK DIAGRAM - PANEL/KEY/POWER SUPPLY Section -
SEG1 – SEG37
COM1 – COM4
64-61
1-37
LED DRIVE
Q901
D901
72
LED DRIVE
Q903
TAPE
Y
D903
LED TAPE 65
LED DRIVE
Q902
D902
LED TUNER 66
LED DRIVE
Q905, 906
CD
u
D904
LED CD 67
D301
D202
D501
D302
D203 – 205
D34
D33
100
POWER RELAY ON/OFF
RECT
D992 – 995
LED STAND BY
STANDBY
TUNER
BAND
56
LCD ON/OFF
SUB POWER
TRANSFORMER
T991
RY990
F1
(AC IN)
S901 – 906
10
11
X301
32.768kHz
15
13
X302
16MHz
XCIN
XCOUT
XIN
XOUT
RELAY DRIVE
Q991
RY991
20
AC CUT
12
RESET
RESET
SWITCH
Q301
LINE FILTER
T1, 2
RECT
D1
SWITCHING
Q11
SWITCHING
Q12
+9V
REGULATOR
IC203
RESET SIGNAL
GENERATOR
IC302
+7V
REGULATOR
IC201
LCD +3.3V
P
-COM +3.3V
S-MASTER
+3.3V
D +3.3V
A +3.3V
ADC +5V
+4V
REGULATOR
IC991
+4V
REGULATOR
IC202
+9V
REGULATOR
IC205
+12V
REGULATOR
IC200
LED DRIVE
Q411, 412
81
CD POWER ON/OFF
B+ SWITCH
Q409, 410
B+ SWITCH
Q407, 408
D951, 952
(LCD BACK LIGHT)
68 VOLUME A
74 WAKE UP KEY
69 VOLUME B
ROTARY
ENCODER
RV903
VOLUME
70 FOLDER A
97 KEY0
S907 – 912
95 KEY1
S913 – 919
94 KEY2
71 FOLDER B
ROTARY
ENCODER
RV904
PUSH
ENTER
89 TREBLE
ROTARY
ENCODER
RV902
TREBLE
90 BASS
ROTARY
ENCODER
RV901
BASS
D303
4 SIRCS
59 LCD DATA
60 LCD SCL
61 LCD CE
60 LCD SCL
61 LCD CE
REMOTE CONTROL
RECEIVER
IC901
58
57
56
57
56
LIQUID
CRYSTAL
DISPLAY
LCD951
LCD DRIVER
IC951
DATA
SCL
CE
58 LCD MODE
57 LCD INH
57 LCD INH
59
60
60
MODE
INH
SYSTEM CONTROLLER
IC301 (3/3)
POWER CONTROL
IC11
+28V
+7V
+5V
REGULATOR
IC204
+9V
HEADPHONE AMP
+9V
TC +9V
B+ SWITCH
Q450
D502
D +2.5V
+12V
MAIN POWER
TRANSFORMER
T31
16
VG (H)
18
VD
1
VSENSE
12
VG (L)
8
VC1
2 F/B
9
OCP
RECT
D31
RECT
D32
ISOLATOR
PH11
(JOG)
+2.5V
REGULATOR
IC202
S-MASTER
+1.8V
+1.8V
REGULATOR
IC704
1
AC DET
15
VS
(Serial No. 5138502 or larger)
Ver. 1.1
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