Sanyo CDP-150 User manual

i
IFILE NO. -I
Service Manual Portable Compact
Disc Player CDP-I 50 (XE )
[:$;
(SP)
(AU)
Specifications
(CD Player Section )
Frequency Responce . .
Wow&Flutter .......
Sampling Frequency .
DIA Converter .......
Error Correction Method
Pick-up ............
Laser output .........
20-20,000 Hz
Below measurable
limits
44.1 kHz
1-bit
CIRC
Optical 3-beam
Semi-conductor laser
(790 nm wavelerrgth)
Continuous wave:
max. 0.5 mW
PRODUCT CODE
142 989 02 (XE)
142 989 03 (UK)
142 989 04 (SS)
142 989 05 (SP)
142 989 06 (AU)
(General )
Maximum Output
(stereo headphone) . . . 15 mw +15 mw
Power Supply
No.
AC Adaptor . . . . . . . . . AC :230 V, 50 Hz (XE/UtVSP)
AC :240 V, 50 Hz (AU)
AC :11 5/230 V, 50/60 t-iz (SS)
DC . . . . . . . . . . . . . . . . 3V:Using two “AA” batteries
3V:Using the rechargeable
nickel-cadmium battery (only SS/SP)
Dimensions ......... Approx. 142( W)x35(H )x160(D) mm
Weight . . . . . . . . . . . . . Approx. 320 g (Without batteries,
main unit only)
Specifications subject to change without notia%.
REFERENCE No. SM580552

i
LASER BEAM SAFETY PRECAUTIONS
.Pick-up that emits alaser beam is used in this CD player.
CAUTION :
USE OF CONTROLS OR ADJUSTMENTS
OR PERFORMANCE OF PROCEDURES
OTHER THAN THOSE SPECIFIED
HEREIN MAY RESULT IN HAZARDOUS
RADIATION EXPOSURE
LASER OUTPUT ........0.5 mW Max. (CW)
WAVELENGTH ...........790 nm
NOTES (ACCESSORIES &CONNECTION)—
1.
2.
3.
4.
.....................................................
~AC adaptor :@ I@:
.............................................. II
11’ /)
@@7@
G
CAUTION-INVISIBLE !MER RADIATION
WHEN OPEN AND lNlEi3LOCKS DEFEATED.
AOVARSEL-USiNLIG USER STEALING VED ABNING,
NdRSIXKEFMEDSAF6RYDEREERuDE AF FUNICTION,
IVARNING-OSYNLIG LMER STRAINING NiR
DENNA DELiROPPNAOocHSPF.RRiRURKOppLAO. I
STRALENiR FARUG
vORSICHT -UNSICHTSARE U. SEFiSTRAHLUNGTRffl AUS,
WENNOECKELGEOFFNETUNOWENN SICHERHEITSVERRIEGELUNG
iIBER8RtiCKT 1ST.NICHT, DEM STRAHLAUSSHZEN.
V~RO !-. AVAITAESSA JASUOJALUKITUSO~fTETTAESSAOLETALT711NA
NAKYMASTOMALLELASERSiTEILYLLE.ALAKATsOSATEESEEN.
Disc Compamnent 8. Display
Barte~ Compartment (bottom) 9. VOLUME Con[rot
PLAYIPAUSE Button 10. PHONES Jack
STOP Bunon 11. LINE OUT Jack
F9ACK/F FvVDBurtons 12. 9ASSXPANDER Switch
SET Button 13. DC 6V Jack
P.MODE Button
U1
.LINE OUT
-. —’ a
Headphones h
Part No. 6142527764 E
Rechargeable nickel-cadmium
battery (NBP-30E)
?arl No. 645012 1180
\
(only Ssw)
II -1
ij~ ~:g “
..................................
:. Always keep
:the charging ~
Iterminal clean. I
..................................
/ \
Patch cable --
Part No. 6450119071
-1-

REMOVAL AND INSTALLATION
●Disconnect the AC adaptor’s plug. &
●Remove the batteries.
●All wiring should be returned to the original position after work is completed.
●First have ready many the new FIXERS (614 129 4971) for replacement.
a. CABINET, BOTTOM b. CABINET
(1) Remove the 5rear cabinet mounting screws. (1) Remove the bottom cabinet.
1
c. CD LID
d. CD MECHANISM
-2-

i
REMOVAL AND INSTALLATION
e. CD P.W. BOARD
f. WIRING LAYOUT
—
LIMIT SWITCH SPINDLE MOTOR SLED MOTOR
yRE~KET LEq:;g;ET LEAD SOCKET
(YELLOW)
-3-

i
CD MECHANISM ADJL=TMENTS
a. DISASSEMBLY OF THE CD PLAYER MECHANISM
(a)
(1)
(2)
Replacement of the spindle motor assembly
While turning the turntable, align the open hole (3)
in the turntable with the position of the spindle motor
fastening screw. (0)
Insert the watch repair driver from the screw fastening hole (4)
and remove the screw. (~)
11~111
,,~~14———Watch repair driver
Turntable ~~Spindle Motor
d
Turn the turntable as previously described, align the screw
fastening hole with the position of the screw (@) and
remove the screw. (@)
Remove the spindle motor in the direction shown by the
Spindle Motor =o
(b) Replacement of the pick-up
(1) Remove the pick-up rail mcwtingscrew. (0)
(2) Remove the rack gear (104) mounting screws. (@)
(3) Replacement of the pick-up- (~)
(4) Insert the pick-up rail (107) into the base chassis. (@)
(5)
(6)
(7) The pick-up P.W.Board pattern is “shorted”, as shown
in the figure, so that the new pick-~p will not be
susceptible to the effects of static.
(8) Set the pattern to “open” after the pick-up has been
replaced.
,03 ,(3 ~
x
The pick-up rails have been installed, first wipe the
tips of the rail with alcohol. /
After the pick-up has been replaced, apply grease
(FLOIL G-474B) to the rail.
-4-

ii
CD MECHANISM ADJUSTMENTS
(c)
(1)
b.
Sled motor replacement
See illustration at right.
101
REPLACEMENT AND LUBRICATION OF THE CD
........................................................................
~Note :
:EM-50L ............. MOLYKOTE, EM-50L ~
~G-474B .............. FLOILOIL, G-474B :
........................................................................
MECHANISM
s
............................ ... ....................
-5–

i
CD MECHANISM ADJUSTMENTS
c. CHECKING THECD MECHANISM
(a)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(b)
(1)
(2)
T
-–113
Checking the operation of the CD mechanism
Disconnect the sled motor socket from the printed-circuit
board.
Apply avoltage of DC 0.7 Vto the sled motor’s
terminal.
Measure the current during sled motor operation.
.T’he direction of movement of the pick-up (outer groove or
inner groove) can changed by changing the battery polarity.
The current during sled motor operation varies
according to the positional relationship of gears
(11 Oandll l).
If the current exceeds 20-50 mA ,remove the
gear (lll)andgear(ll O).
Apply asmall amount of aFLOIL (G-474B )bonding
materials to the chassis shafts.
Install the gears as shown in the illustration.
G-
a
&-110
gB
0
–111
s
0–112
Direction of pick-up movement Sled motor current I
IOuter groove I20-50 mA I
IInner groove I20-50 mA I
Resetting the pick-up to the home position
The LIMIT switch is switched ON by the projection of the
rack gear secured to the returned pick-up, after which the
sled motor continues to operate (by the circuit) for
approximately 20 -30 milliseconds ;there is then again a
reverse operation, and movement to the position at which
the switch is switched OFF.
Rotation continues for about 20- 30 milliseconds after the
switch is switched OFF, and then the pick-up stop at home
position.
o
112 111
109 (LIMIT SWITCH)
-6-
,

i
CHECKING THE CD PLAYER EYE PAITERN
a. PREPARATIONS . /
(a) Measuring instruments, tools and filter
(1) Test disc. :YEDS 18 (SONY) or etc.
(2) Oscilloscope :SS5711 (10 MHz or dual-phenomenon)
or Memory scope :DSS6521 (Storagescope)
(3) Resistor, Carbon 2.2 Kohm, l/4W
(4) EXT. DC POWER :DC 6V, 1A
b. PARTS LOCATION
c. CHECKING THE EYE PATTERN
(1) Switch ON the DC power.
(2) Connect an oscilloscope to IC131 (pin 41 ) ( RF)
and IC131 (pin 58 ) ( VC ).
(3) Load the test disc.
(4) PLAY switch push ON.
(5) Check to be sure that the “eye “pattern is at the
center of waveform and that the diamond shape is
clearly defined.
(6) Press the STOP button. center
(7) Switch OFF the DC power.
1
Ic 1131 2.2K ohm +
pin 41 0wvv
(RF}
Ic ?31 IOSCILLOSCOPE I
D
-7-

EXPLODED VIEW (CABINET &CHASSIS )
,—
8
–8–

PARTS LIST
PRODUCT SAFETY NOTICE d
Each precaution in this manual should be followed during servicing. Components identified with the IEC symbol ~in the parts list
and the schematic diagram designate components in which safety can be of special significance. When replacing acomponent
identified ~, use only the replacement parts designated, or parts with the same ratings of resistance, wattage or voltage that are
designated in the parts list in this manual. Leakage-current or resistance measurements must be made to determine that exposed
parts are acceptably insulated from the supply circuit before returning the product to the customer.
CAUTION :Regular type resistors and capacitors are not listed. To know those vakses, refer to the schematic diagram.
Regular type resistors are less than l/4W carbon type and Oohm chip resistors.
Regular type capacitors are less than 50V and less than 1000PF type of Ceramic type and Electrical type.
N.S.P
ACKIN
Ref. No.
Not available as service parts.
&ACCESSORIES
Part No.
614 273 2274
614 273 2281
614 273 2311
614 273 2298
614 273 2274
614 273 2380
614 273 2397
614 273 2427
614 273 2403
614 273 2380
614 271 1026
645 011 4168
645 011 9880
614 252 7764
~645 011 8678
~645 011 8685
&645 011 8647
~645 011 8654
f!!J645 011 8326
645 011-9071
645 012 1180
614 276 8778
614 277 9590
CABINET &CHASSIS
Ref. No.
1
2
3
4
5
5
5
5
Part No.
614 271 0111
614 273 1758
614 270 3724
614 270 4035
614 273 1765
614 273 1260
614 273 1772
614 273 1765
Descri~tion
CARTON CASE,INNER (XE)
CARTON CASE,INNER (UKj
CARTON CASE,INNER (AU)
CARTON CASE,INNER (SS)
CARTON CASE,INNER (5P)
INSTRUCTION MANUAL (XE)
INSTRUCTION MANUAL (UK)
INSTRUCTION MANUAL (AU)
INSTRUCTION MANUAL (SS)
INSTRUCTION MANUAL (SP)
CAUTION,DISC,PROTECTIVE
SHEET
POLY SHEET,450X250MM,SET
(XE)
POLY SHEET,450X250MM,SET
(UK/AU/SS/SP)
HEADPHONE (UK/AU/SP)
ADAPTOR,AC-DC,6CV-230XE,
500 MA (XE/SP)
ADAPTOR,AC-DC ,6CV-230UK,
500 MA (UK)
ADAPTOR,AC-DC, 6CV-240AU,
500 MA (AU)
ADAPTOR,AC-DC,6CV-230SS,
AC 115/230V, DC 6V,500 MA
(ss)
PLUG,ADAPTOR,AC (SS)
CABLE,PATCH CA8LE,RCA-2P,Y
BATTERY,RECHARGE,2.4V,
NBP-30B (ss/sP)
LABEL,NI-CD,BATTERY (SP)
INSTRUCTION SHEET,NI-CD(SP)
Description
ASSY,LID,CD
ASSY,CABINET,TOP
BUTTON OPERATION
KNOB,SLIDE,BASSXPANDER
ASSY,CABINET, BOTTOM
(XE)
ASSY,CABINET,BOTTOM
(UK/AU)
ASSY,CABINET,BOTTOM
(ss)
ASSY,CABINET, BOTTOM
(SP)
Ref. No.
6
7
8
22
23
Pati No.
614 271 0203
614 271 0210
614 270 4066
614 270 4196
614 270 4219
614 125 2285
614 231 6832
Description
SPACER,MECHANISM (GRAY)
SPACER,MECHANISM (PINK)
LID,BATTERY
TERMINAL SPRING,BATTERY(+)
TERMINAL,NI-CD BATTERY
CUSHION,SHEET,8X26MM
LABEL,SAFETY,LASER,CLASS
\
FIXING PARTS
Ref. No. Part No. Description
Yol 411 022 6800 SCR S-TPG PAN 2X1OMM,
CABINET-BOTTOM
Y02 41% 098 5202 SCR S-TPG PAN 2X5MM,
CD P.W.BOARD-BOTTOM
:D P.VV
Ref. No.
21
A1501
24
CN101
CN141
CN142
CN143
CN151
CN191
CN192
D1301
or
D1401
D1402
D1403
D1404
D1405
D1406
D1407
;;511
;;512
D1901
or
IC131
IC141
IC145
IC151
0AR5ASSY
Part No.
614 271 0029
614 270 4127
645 011 8906
614 270 4202
645 011 8913
645 005 9995
645 005 7366
645 011 8890
645 005 7380
645 000 1413
645 000 1413
40? 007 9904
407 012 4406
407 080 4209
407 080 4209
407 080 4209
407 080 4209
407 080 4209
407 080 4209
407 007 9904
407 012 4406
407 007 9904
407 012 4406
407 050 7209
407 007 9904
407 012 4406
409 350 9808
4091 303 2504
409 361 4601
409 369 7000
Description
ASSY,PWB,CD
MOUNTING,LCD
LCD,DISPLAY
TERMINAL SPRING,BATTERY (-)
SOCKET,FPC 13P,PICK UP
PLuG,2P,sLED/YELLow
PLuG,2P,sPINDLE/wHITE
SOCKET,DC,EXT POWER
PLuG,2P,LIMIT/RED
JACK,PHONE D3.6,LINE OUT
JACK,PHONE D3.6,PHONES
DIODE GMAO1
DIODE 1SS133
DOOOE SB1O-O3A
DOODE SB1O-O3A
DOODE SB1O-O3A
DOOOE SB1O-O3A
DOODE SB1O-O3A
DOODE SB1O-O3A
DIODE GMAO1
DIODE 1SS133
OIODE GMAO1
DIODE 1SS133
ZENER DIODE GZA8.2X
OIODE GMAO1
OIOOE 1SS133
IC LA9230MS
IC LB81OBM
IC LC78621E
IC LC5876-1G59
-9-

PARTS LIST
Ref. No. Part No. Description
1C191 409 228 9206 Ic NJM21OON
IC192 409 297 76C8 lC LA4805V
1N101 614 271 0227 SPACE R, PWB,NOTOR
1N102 614 271 0227 SPACE3, PWB,MOTOR
L1301 645 001 4550 INOUCTOR,1OU K
L1401 645 011 8944 INOUCTOR,22U K
L1402 645 011 8951 INOUCTOR,27U K
L1403 645 011 8968 INOUCTOR,82U K
L1404 645 011 6944 INOUCTOR,22U K
L1405 645 001 4550 1NDuCTOR,1OU K
L1451 645 001 455o INOUCTOR.1OU K
L1501 645 001 4550 INDuCTOF!,1OU K
L1701 645 001 5441 1NOUCTOR,2.2U K
L1702 645 001 5441 INOUCTOR,2.2U K
L1801 645 001 5441 INOUCTOR,2.2U K
L1802 645 001 5441 1NOUCTOR,2.2U K
L1901 645 001 455o INOUCTOR,1OU K
L1902 645 001 4550 INOUCTOR,1OU K
L1903 645 001 5441 INOUCTOR,2.2U K
Li910 614 212 3171 INDUCTOR, FERITE
645 006 9864 INOUCTOR,80UH ,1A
;:401 405 037 0809 TR 2SC4048
Q1402 405 036 3702 TR 2SA1564
Q1403 405 088 8502 TR 2SA1701-T
or 405 088 8601 TR 2SA1701-U
405 088 8403 TR 2SA1701-S
;;404 405 036 37o2 TR 2SA1564
Q1405 405 037 0809 TR 2SC4048
Q1406 405 106 2802 TR 2SJ188
Q1407 405 047 9304 TR 2SB1205-S
405 047 9403 TR 2S81205-T
::408 405 089 1304 TR 2SC4480
Q1409 405 089 1304 TR 2SC4480
Q1501 405 037 0205 TR 2SC3860
Q1502 405 037 0205 TR 2SC3860
Q1701 405 018 95OO TR 2SC3901
Q1801 405 018 9500 TR 2SC3901
Q1901 405 003 77o2 TR 2SA1346
Q1902 405 003 7702 TR 2SA1346
S1501 614 240 0944 SWITCH, TACT, STOP
S1502 614 240 0944 SWITCH, TACT, PLAY
S1503 614 240 0944 SWITCH, TACT, FFWO
S1504 614 240 0944 SWITCH, TACT, FBACK
S1505 614 240 0944 SWITCH, TACT, P.MOOE
S1506 614 240 0944 SWITCH, TACT, SET
S1507 614 230 8578 S141TCH, PUSH,0PEN/CLOSE
S1901 645 008 8728 SWITCH, SLIOE lP-2T,
8ASSXPANDER
VR191 614 232 2000 VR, ROTARY, 10 K”A<’ ,VOLUME
X1451 614 231 2667 RESONATOR, 16.93 MHZ
X1501 614 215 5561 RESONATOR, CERAMIC,4.19MHZ
DME(
Ref. No
101
102
103
104
105
106
107
>r
108
109
110
111
112
113
114
115
ANISM {PM.CDI
Part No.
614 270 4752
645 011 0689
411 152 4301
614 270 4875
645 006 7983
614 271 0494
614 27o 4912
614 271 7992
411 024 38o7
645 012 5861
614 270 4837
614 270 4820
614 27o 4613
412 047 3904
645 011 0672
N.S. P
N.S. P
N.S. P
614 273 1734
614 271 0364
645 011 2829
150-SH)
Description
CHASSIS .BASE MECHANISM
ASSY, MOTOR CD, SLEIJ MOTOR
SCR S-TPG PAN PCS 1.7 X6 MM,
PICKUP RACK GEAR FIX
GEAR, PICKUP RACK GEAR
PICKUP, LASER SF-P1OO
SPECIAL SCREW- 1.7 X5.5 MN,
SLEO MOTOR FIX
SHAFT, PICKUP RAIL
SHAFT, PICKUP RAIL
SCR S-TPG PAN+FLG ZX8MM,
PICKUP RAIL FIX
SWITCH, LIMIT SWITCH
GEAR, SLED GEAR ...
GEAR, SLEO RETARO GEAR 2
GEAR, SLEO RETARD GEAR 1
SPECIAL SCREW,2X8MM.
SLEO GEAR FIX
ASSY, MOTOR,
SPINOLE MOTOR WITH
TURNTABLE
MOTOR, CO OC 0.2w,
SPINOLE MOTOR ..
SPECIAL WASHER, 1.9 X5 X0.3MM
ASSY ,TURNTA8LE ,SPINOLE
SPECIAL SCREW- 1.7 X3.0 MM,
SPINOLE MOTOR FIX
COR0,2P CONNECTOR, SWITCH
LEAO
FLEX18LE FLAT CABLE .13P,
PICKUP
b
EXPLODED VIEW (CD MECHANISM)
W–103
113- ?
?1
–109’
2
14
“101
b--
-1o- -11-

I
z
1
,. ()
L<

BLOCK DIAGRAM &LCD CONNECTIONS
DISC
?
PICK-UP
1J
CN191
ILLINE OUT
MUTE
‘i%
X1651 VR191
16,93 MHz vOLUME
CONTROL
IC192
HEA:OP;ONE
CN192
PHONES
F.
J
S1507
OPENN;;;:SE m
-———— ————
P-LS*
,
S1501-S1506
KEY SWITCH
-— —_____ _
OPERATION SWITCH
SI 501 STOP
S1502 PLAY
S1S03 F. FWO
S1504 F. BACK
S1505, P. MOOE
S1506 SET
JLO1
EXT. POWER
PICK-UP
LASER am
1PCOMI-15-

ii
c!
(!
I-1
.,- -.—..-.

WIRING DIAGRAM (2) (BOITOM VIEW 2/2)
-18- –19-

I
w 01
ii

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0),
“lo.
,“,,1
1,30,
I
>,. m ,,.,,, ~I
,,,”
,,”
,., ,,,
,.,
—._..L i-J
L——L..–____+ _

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i
IC BLOCK DIAGRAM &DESCRIPTION
IC151 LC5876-1G59 (MICRO PROCESSOR )
No. Name 1/0 Description
1COM2 oLCD common 2outpu!
2COM 10LCD common 1ouipui
3CUP1 -Switching termmai for LCD drrvmg voltage
4CUP2 -Swi[chmg terminal for LCD driving voltage
5RES IReset terminal (L+H)
6EXT-INT IEXT-INT Iermmai
7SQOUT IData bus for DSP output
8COIN oData bus for DSP input
9CQCK oData bus for DSP input
10 WFfQ oData bus for DSP input
11 BATT IN IInput for batlery mark on LCD
12 TEST IInput for adjustment of CD player (Normally H)
13 HOLD iInput for key hold (Normally H)
14 CHARGE IInput for battery charge mark on LCD
15 BRSSA -No connection
16 BRSSB -No connection
17 BRSSC -No connection
18 SERVICE -No connection
19 XTOUT -No connection
20 XTIN -No connection
21 VDD2 -Power supply for LCD driver
22 VDD1 -Power supply for LCD driver
23 Vss -Ground
24 VDD -Power supply
25 CF-IN IConnect ceramic resonator for 4. I9MHz clock
26 CF-OUT oConnect ceramic resonator for 4.19 MHz clock
27 LIMIT SW IInput for LIMIT switch of laser pick up
28 OPEN I ,
CLOSE SW Input for lid switch (OPEN /CLOSE)
29 SYS.DOWN IInput of voltage monitor of battery
30 DRF -No connection
31 K1 IKey scan input
32 K2 IKey scan input
33 K3 IKey scan input
34 K4 IKey scan input
35 NC -No connection
36 NC -No connection
37 A-MUTE oMute signal output
38 POWER -No connection
39 LED A-No connection
40 LED B-No connection
A
NO. Name 1/0 Description -
41 LED C-No connection
42 BEEP -No connection
43 TEST -LSI test terminal, normal ground
44 SEG1 oKey scan output
45 SEG2 oKey scan output
46 POWER 2-No connection
47 A-MUTE -No connection
48 POWER oOuiput signal for power “ON”
49 XRST oOutput signal for DSP reset terminal
50 RWC oOutput signal for DSP read Iwrite command
51 LB ON/OFF -No connection
52 LB AIB -No connection
53 BACK LIMIT -No connection
54 NC -No connection
55 D-MUTE -No connection
56 SLM oSelect terminal of sled motor drive
57 SL +-Sled motor drive amplifier u+” output
58 SL- -Sled motor drive ampkfier “-” output
59 NC -No connection
60 NC -No connection
61 NC -No connection
62 NC -No connection
63 NC -No connection
64 NC -No connection
65 NC -No connection
66 NC -No connection
67 NC -No connection
68 NCl -No connection
69 NC -No connection
70 NC -No connection
71 NC -No connection
72 LCD SEGO OLCD segment data
73 LCD SEG1 oLCD segment data
74 LCD SEG2 OLCD segment data
75 LCD SEG3 OLCD segment data
76 LCD SEG4 OLCD segment data
77 LCD SEG5 OLCD segment data
78 LCD SEG6 OLCD segment data
79 COM4 IoLCD common 4output
80 COM3 oLCD common 3output
-26-

IC BLOCK DIAGRAM &DESCRIPTION
IC191 NJM2100M (OP. AMP.) .&
A
INPUT
-A
INPUT
ICI 92 LA4805V (HEADPHONE STEREO POWER AMP.)
1
‘“++= =-z+””’Es”
1) ’42 L.’ 1
H.P1 LOU S00S1 NF
IN: L.P2
H.P2 OET2
PRE GNO
MIX OUT1
MIX OUTZ
PHR INl
PuR INC
PHF4 IN2
VREF OUT
VREp CONT
:-
25 LOU BOOST ‘H
24 PWFI OUT1
23 PwR GNO
.22 PWR OUTC
!
2i PHR OUT2
20 Vcc
19 Pvss Sw
18 Pvss S,c
Ott./’95l435OKM printed in Japan.
–27-
1
/(
smO
SANYO Electric Co., Ltd.
Osaka, Japan