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Model
CMT-CPZ1 HCD-CPZ1
Pages
79
Size
5.01 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
cmt-cpz1-hcd-cpz1.pdf
Date

Sony CMT-CPZ1 / HCD-CPZ1 Service Manual ▷ View online

17
HCD-CPZ1
SECTION  4
TEST  MODE
[COMMON  TEST  MODE]
• This mode is used to check operations of Amplifier.
Procedure:
1. Press the
I/
1 key to turn the power ON.
2. Press three keys of [DSGX] and x (CD) and [PUSH ENTER]
JOG simultaneously.
3. When the COMMON test mode is activated, “s” blinks on
the liquid crystal display.
4. Turn the [BASS]  knob counterclockwise, “TONE MIN” is
displayed on the liquid crystal display. Turn the [BASS] knob
clockwise, “TONE MAX” is displayed on the liquid crystal
display.
Turn the [TREBLE]  knob clockwise or counterclockwise,
“TONEFLAT” is displayed on the liquid crystal display.
Turn the [VOLUME] knob counterclockwise, “VOL MIN” is
displayed on the liquid crystal display. Turn the [VOLUME]
knob clockwise, “VOL MAX” is displayed on the liquid crystal
display.
5. To release this mode, press the
I/
1 key.
[PANEL  TEST  MODE]
• This mode is used to check the liquid crystal display, LED,
model, destination, software version and key.
Procedure:
1. Press the
I/
1 key to turn the power ON.
2. Press three keys of [DSGX],  [DISPLAY]  and x (CD)
simultaneously.
3. Liquid crystal display and LEDs are all turned on.
4. When you want to enter the model, destination and version display
mode, press the [PLAY MODE/DIRECTION/TUNING MODE] key.
The model and destination are displayed alternately on the
liquid crystal display.
5. Each time [PLAY MODE/DIRECTION/TUNING MODE] key is
pressed, the display changes starting from MC version, GC
version, CD version, CDD version, CDMA version, CDMB
version, BDA version, BDB version, ST version, TA version,
TM version, and TC version this order, and returns to the MC
version display on the liquid crystal display.
6. Press the [REPEAT/FM MODE] key, the key check mode is
activated.
7. In the key check mode, the liquid crystal display displays “K0”.
Each time a key is pressed, “K” value increases. However,
once a key is pressed, it is no longer taken into account.
8. When [FUNCTION] key is pressed while the version numbers
are being displayed except model and destination, year, month
and day of the software creation display. When [FUNCTION]
key is pressed again, the display returns to the software version
display. When [PLAY MODE/DIRECTION/TUNING MODE] key
is pressed while year, month and day of the software creation
are being displayed, the year, month and day of creation of
the software versions are displayed on the liquid crystal display
in the same order of version display.
9. To release this mode, press three keys in the same manner as
step 2, or disconnect the power cord.
[COLD  RESET]
• The cold reset clears all data including preset data stored in
the RAM to initial conditions. Execute this mode when
returning the set to the customer.
Procedure:
1. Press the
I/
1 key to turn the power ON.
2. Press three keys of
I/
1 ,  [DISPLAY]  and x (TAPE)
simultaneously.
3. The liquid crystal display becomes blank instantaneously, and
the set is reset.
[SHIP  MODE (NO  MEMORY  CLEAR)]
• This mode moves the optical pick-up to the position durable
to vibration. Use this mode when returning the set to the
customer after repair.
Procedure:
1. Press the
I/
1 key to turn the power ON.
2. Press the [FUNCTION] key to select “CD”.
3. Press three keys of [DSGX], x (CD) and
  + simulta-
neously and the ship mode is set.
[SHIP  MODE (MEMORY  CLEAR)]
• This mode moves the optical pick-up to the position durable
to vibration. Use this mode when returning the set to the
customer after repair.
Procedure:
1. Press the
I/
1 key to turn the power ON.
2. Press the [FUNCTION] key to select “CD”.
3. Press three keys of [DSGX], x (CD) and
  – simulta-
neously.
4. After the “STANDBY” display blinks, “LOCK” is displayed
on the liquid crystal display, and the ship mode is set.
[CD  SLOT  LOCK  MODE]
• This mode is used to unable to take sample disc out of disc
slot in the shop.
Procedure:
1. Press the
I/
1 key to turn the power ON.
2. Press the [FUNCTION] key to select “CD”.
3. While pressing the Z (CD) key, press the x (CD) key for
5 seconds.
4. The message “LOCKED” is displayed on the liquid crystal
display and the disc slot is locked. (Even if pressing
the Z (CD) key, the message “LOCKED” is displayed on
the liquid crystal display and the disc slot is locked)
5. To release from this mode, pressing the Z (CD) key, press
the x (CD) key for 5 seconds.
6. The message “UNLOCKED” is displayed on the liquid crystal
display and the disc slot is unlocked.
[CD  SERVICE  MODE]
• This mode can run the CD sled motor freely. Use this mode,
for instance, when cleaning the optical pick-up.
Procedure:
1. Press the
I/
1 key to turn the power ON.
2. Press the [FUNCTION] key to select “CD”.
3. Press three keys of [PLAY MODE/DIRECTION/TUNING MODE],
M L and x (CD) simultaneously.
4. Press the M L key to move the optical pick-up to outside
track, or press the l m key to inside track.
5. Press the
CD
 u key, “LD OFF” is displayed and laser diode
is turned off. Each time
CD
 u key is pressed, laser diode
ON/OFF seitch is performed.
6. To release this mode, press the
I/
1 key.
[CD  ERROR  CODE  MODE]
• This mode can be used for error display of CD section.
Procedure:
1. Press the
I/
1 key to turn the power ON.
2. Press the [FUNCTION] key to select “CD”.
3. Press three keys of [PLAY MODE/DIRECTION/TUNING MODE],
 + and x (CD) simultaneously.
Note:
Error code is not displayed on the liquid crystal display.
18
HCD-CPZ1
[CD  SERVO  TEST  MODE]
This mode used to ckeck operation of optical pick-up.
Procedure:
1. Press the
I/
1 key to turn the power ON.
2. Press the [FUNCTION] key to select “CD”.
3. Press three keys of [PLAY MODE/DIRECTION/TUNING MODE],
l m and x (CD) simultaneously.
4. When the CD servo test mode is activated, optical pick-up
moves.
[CD  POWER  MANAGE]
This mode is for switch the CD power supply on/off. Even if this
state pulls out AC plug, it is held.
Procedure:
1. Press the
I/
1 button to turn the power on.
2. Press the [FUNCTION] button to select CD function.
3. Press the
I/
1 button again to turn the power off (standby).
4. While pressing the x (CD) button, press the
I/
1 button.
5. It turns power on and display “CD POWER”, then display
“ON” or “OFF”.
[CHANGE-OVER  THE  AM  TUNING  INTERVAL]
(Singapore and Korean models)
The AM tuning interval can be changed over 9 kHz or 10 kHz.
Procedure:
1. Press the  
I/
1  button to turn the power on.
2. Press the [TUNER, BAND]  button to select TUNER (AM)
function.
3. Press the  
I/
1  button again to turn the power off (standby).
4. While pressing the [TUNING +] button, press the  
I/
1  button.
5. It turns power on and display “STEP 9kHz” or “STEP 10kHz”,
and thus the tuning interval is changed over.
Ver. 1.1
HCD-CPZ1
19
19
HCD-CPZ1
SECTION  5
MECHANICAL  ADJUSTMENTS
SECTION  6
ELECTRICAL  ADJUSTMENTS
Screw
position
L-CH
peak
within
1dB
Output
level
L-CH
peak
R-CH
peak
within
1dB
Screw
position
R-CH
peak
PRECAUTION
1. Clean the following parts with a denatured alcohol-moistened
swab:
record/playback heads
pinch rollers
erase head
rubber belts
capstan
idlers
2. Demagnetize the record/playback head with a head de-
magnetizer.
3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, apply suitable locking compound to
the parts adjusted.
5. The adjustments should be performed with the rated power
supply voltage unless otherwise noted.
TORQUE  MEASUREMENT
0 dB=0.775 V
DECK  SECTION
Procedure:
1. Mode:  Playback
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.
set
HP/MD board
PHONES jack
(J982)
+
level meter
test tape
P-4-A063
(6.3 kHz, –10 dB)
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.
3. Mode:  Playback
4. After the adjustments, apply suitable locking compound to
the pats adjusted.
Adjustment Location: Record/Playback/Erase Head
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)
Meter reading
3.06 N • m to 6.96 N • m
31 to 71 g • cm
(0.43 – 0.98 oz • inch)
0.19 N • m to 0.58 N • m
2 to 6 g • cm
(0.02 – 0.08 oz • inch)
3.06 N • m to 6.96 N • m
31 to 71 g • cm
(0.43 – 0.98 oz • inch)
0.19 N • m to 0.58 N • m
2 to 6 g • cm
(0.02 – 0.08 oz • inch)
6.96 N • m to 14.02 N • m
71 to 143 g • cm
(0.98 – 1.99 oz • inch)
9.80 N • m
100 g or more
(3.53 oz or more)
9.80 N • m
100 g or more
(3.53 oz or more)
Mode
FWD
FWD
back tension
REV
REV
back tension
FF/REW
FWD tension
REV tension
Torque meter
CQ-102C
CQ-102C
CQ-102RC
CQ-102RC
CQ-201B
CQ-403A
CQ-403R
Tape
Signal
Used for
P-4-A063
6.3 kHz, -10 dB
Azimuth Adjustment
Checking Location:
+
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
I/
1 button to turn the power ON, and press
the Z (CD) button to open the CD disc tray.
3. Set disc (YEDS-18) on the tray and press the
CD
 u button
to playback.
4. Confirm that oscilloscope waveform is as shown in the figure
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 
±
 0.4 Vp-p
TP
(VC)
TP
(RFACI)
IC201
– BD Board (Conductor Side) –
CD  SECTION
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 MW impedance.
4.
Clean the object lens by an applicator with neutral detergent when the
signal level is low than specified value with the following checks.
5.
Check the focus bias check when optical pick-up block is replaced.
FOCUS  BIAS  CHECK
forward
reverse
HCD-CPZ1
20
20
HCD-CPZ1
SECTION  7
DIAGRAMS
7-1. 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
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 UNIT
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
END SW
R REC
F REC
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-ch is omitted due to same as L-ch.
: CD PLAY (DIGITAL)
: TAPE PLAY
: TAPE REC
: TUNER
(AEP, UK, East European models)
(Page 21)
(Page 21)
(Page 21)
(Page 21)
Ver. 1.1
Page of 79
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