Sharp CD-BP1450V User manual

– 1 –
CD-BP1450V
No. S7058CDBP145V
CONTENTS Page
SAFETY PRECAUTION FOR SERVICE MANUAL ........................................................................................................... 2
VOLTAGE SELECTION..................................................................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
OPERATION MANUAL ...................................................................................................................................................... 6
DISASSEMBLY.................................................................................................................................................................. 8
BLOCK DIAGRAM ........................................................................................................................................................... 11
SCHEMATIC DIAGRAM .................................................................................................................................................. 14
WIRING SIDE OF P.W.BOARD....................................................................................................................................... 25
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 32
TYPES OF TRANSISTOR AND LED................................................................................................................................32
WAVEFORMS OF CD CIRCUIT...................................................................................................................................... 33
VOLTAGE ........................................................................................................................................................................ 34
REPLACEMENT PARTS LIST/EXPLODED VIEW
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
SERVICE MANUAL
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
CD-BP1450V Video CD Mini System consisting of
CD-BP1450V(mainunit),CP-BK1450(front speakers)
and GBOXS0043AWM1 (surround speakers).
SHARP CORPORATION
MODEL CD-BP1450V
VIDEO CD MINI SYSTEM
NTSC/PAL
This Service Manual is for the CD-BP1450V, which is a minor-
modification model of the CD-BP1300V. This manual, therefore,
describesonlythe changedpointsfrom theservicemanual. Please
refer to the CD-BP1300V service manual (No.S7057CDBP130V)
together with this manual.
CD-BP1300V Page
REMOVING AND REINSTALLING THE MAIN PARTS.. 11
ADJUSTMENT................................................................ 12
TROUBLESHOOTING (CD SECTION) .......................... 38
FUNCTION TABLE OF IC .............................................. 42
FL DISPLAY.................................................................... 53

CD-BP1450V
– 2 –
SAFETY PRECAUTION FOR SERVICE MANUAL
Precaution to be taken when replacing and servicing the Laser Pickup.
The AEL (Accessible Emission Level) of Laser Power Output for this model is specified to be lower than Class 1 Requirements.
However, the following precautions must be observed during servicing to protect your eyes against exposure to the Laser beam.
(1) When the cabinet has been removed, the power is turned on without a compact disc, and the Pickup is on a position outer than
the lead-in position, the Laser will light for several seconds to detect a disc. Do not look into the Pickup Lens.
(2) TheLaserPowerOutputofthePickupinsidetheunitandreplacementservicepartshavealreadybeenadjustedpriortoshipping.
(3) No adjustment to the Laser Power should be attempted when replacing or servicing the Pickup.
(4) Under no circumstances look directly into the Pickup Lens at any time.
(5) CAUTION - Use of controls or adjustments, or performance of procedures other than those specified herein may result in
hazardous radiation exposure.
VOLTAGESELECTION
Before operating the unit on mains, check the preset voltage. If the voltage is different from your local voltage, adjust the voltage
as follows, Turn the selector with a screwdriver until the appropriate voltage number appears in the window (110 V, 127 V, 220 V
or 230 V - 240 V AC).
QACCE0007AW00
Figure 2 AC POWER SUPPLY CORD AND PLUG ADAPTOR
QPLGA0003AWZZ QPLGA0004AWZZ
QACCA0004AW00
CAUTION
This Video CD Mini System is classified as a CLASS 1
LASER product.
The CLASS 1 LASER PRODUCT label is located on the
rear cover.
Use of controls, adjustments or performance of proce-
dures other than those specified herein may result in
hazardous radiation exposure.
As the laser beam used in this compact disc player is
harmful to the eyes, do not attempt to disassemble the
cabinet. Refer servicing to qualified personnel only.
Laser Diode Properties
Material: GaAIAs
Wavelength: 780 nm
Emission Duration: continuous
Laser Output: max. 0.6 mW
CAUTION-INVISIBLE LASER RADIATION WHEN OPEN. DO NOT STARE INTO
BEAM OR VIEW DIRECTLY WITH OPTICAL INSTRUMENTS.
VARNING-OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD. STIRRA
EJ IN I STRALEN OCH BETRAKTA EJ STRALEN MED OPTISKA INSTRUMENT.
ADVERSEL-USYNLIG LASERSTRALING VED ABNING. SE IKKE IND I
STRALEN-HELLER IKKE MED OPTISKE INSTRUMENTER.
VARO! AVATTAESSA OLET ALTTIINA NAKYMATON LASERSATEILYLLE.
ALA TUIJOTA SATEESEEN ALAKA KATSO SITA OPTISEN LAITTEEN LAPI.
VARNING-OSYNLIG LASERSTRALNING NAR DENNA DEL AR OPPNAD.
STIRRA EJ IN I STRALEN OCH BETRAKTA EJ STRALEN GENOM OPTISKT
INSTRUMENT.
ADVERSEL-USYNLIG LASERSTRALING NAR DEKSEL APNES. STIRR IKKE
INN I STRALEN ELLER SE DIREKTE MED OPTISKE INSTRUMENTER.
QACCJ0006AW00

– 3 –
CD-BP1450V
General
Amplifier section
Compact disc player section
Video CD section
Tuner section
Cassette deck section
Power source: AC 110/127/220/230-240 V,
50/60 Hz
Power
consumption: 47 W
Dimensions: Width; 270 mm (10-5/8")
Height; 300 mm (11-13/16")
Depth; 373 mm (14-11/16")
Weight: 5.2 kg (11.4 lbs.)
Output power: MPO; 64 W (32 W + 32 W)
(10 % T.H.D.)
RMS; 40 W (20 W + 20 W)
(10 % T.H.D.)
RMS; 28 W (14 W + 14 W)
(0.9 % T.H.D.)
Output terminals: Front speakers; 8 ohms
Surround speakers; 16 ohms
Headphones; 16 - 50 ohms (rec-
ommended; 32 ohms)
Video out; 1 Vp-p (75 ohms)
Type: 3-disc multi-play compact disc
player
Signal readout: Non-contact, 3-beam semi-con-
ductor laser pickup
D/A converter: 1-bit D/A converter
Frequency
response: 20 - 20,000 Hz
Dynamic range: 90 dB (1 kHz)
Video output format: PAL/PAL 60/NTSC
Frequency range: FM; 88 - 108 MHz
AM; 531 - 1,602 kHz
Frequency
response: 50 - 14,000 Hz (Normal tape)
Signal/noise ratio: 55 dB (TAPE 1, playback)
50 dB (TAPE 2, recording/play-
back)
Wow and flutter: 0.3 % (WRMS)
Type: 2-way [13 cm (5-1/4") woofer and
5 cm (2") tweeter]
Maximum input
power: 30 W
Rated input power: 15 W
Impedance: 8 ohms
Dimensions: Width; 220 mm (8-11/16")
Height; 300 mm (11-13/16")
Depth; 217 mm (8-9/16")
Weight: 2.7 kg (5.9 lbs.)/each
Type: 8 cm (3-1/8") full-range speaker
Maximum input
power: 10 W
Rated input power: 5 W
Impedance: 16 ohms
Dimensions: Width; 150 mm (6")
Height; 150 mm (6")
Depth; 78 mm (3")
Weight: 0.4 kg (0.9 lbs.)/each
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.
Specifications for this model are subject to change without
prior notice.
SPECIFICATIONS
CD-BP1450V
GBOXS0043AWM1
CP-BK1450

CD-BP1450V
– 4 –
NAMES OF PARTS
CD-BP1450V
Front panel
1.(VCD/CD) Disc Number Indicators
2.Timer Indicator
3.Record Indicator
4.Sleep Indicator
5.Extra Bass Indicator
6.(VCD/CD/TUNER) Memory Indicator
7.FM Stereo Mode Indicator
8.FM Stereo Indicator
9.(VCD/CD) Repeat Indicator
10.(VCD/CD/TAPE) Play Indicator
11.(VCD/CD) Pause Indicator
12.(VCD/CD) Disc Tray
13.Timer Set Indicator
14.On/Stand-by Button
15.Timer/Sleep Button
16.Clock Button
17.Function Selector Buttons
18.Headphone Socket
19.Equalizer Mode Selector/Extra Bass/Demo Mode
Button
20.Volume Up/Down Buttons
21.Tuning and Time Up/Down Buttons
22.(TAPE 1) Cassette Compartment
23.(TAPE 2) Cassette Compartment
24.(VCD/CD) Disc Skip Button
25.(VCD/CD) Audio Mode Button
26.(VCD) Playback Control Button
27.(VCD) On Screen Display On/Off Button
28.(VCD) Digest Button
29.(VCD) Bookmark Button
30.(VCD/CD) Open/Close Button
31.Memory/Set Button
32.(VCD) Skip/Previous Button
(CD) Track Down/Review Button
(TUNER) Preset Down Button
(TAPE 2) Rewind Button
33.(TAPE 2) Record Pause Button
34.(VCD) Skip/Next Button
(CD) Track Up/Cue Button
(TUNER) Preset Up Button
(TAPE 2) Fast Forward Button
35.(VCD) Stop/Return Button
(CD/TAPE) Stop Button
36.(VCD/CD) Play/Repeat Button
(TAPE) Play Button
123 4 5 6 8
11109
1914
15
16
17
18
22
24
31
35
33
36
23
13
12
20
21
25 26 27 28 29 30
32 34
7

– 5 –
CD-BP1450V
Rear panel
1.Video Output Socket
2.AC Voltage Selector
3.AC Power Input Socket
4.Surround Speaker Terminals
5.Front Speaker Terminals
6.Span Selector Switch
7.FM Aerial Earth Terminal
8.FM 75 Ohms Aerial Terminal
9.AM Loop Aerial Input Socket
Front speaker
1.Tweeter
2.Woofer
3.Bass Reflex Duct
4.Speaker Wire
Surround speaker
1.Full-Range Speaker
2.Speaker Wire
Remote control
1.Remote Control Transmitter LED
2.(VCD/CD) Audio Mode Button
3.(VCD) VCD Auto/On Button
4.(VCD) Playback Control Auto/Off Button
5.(VCD) On Screen Display On/Off Button
6.On/Stand-by Button
7.(VCD/CD) Direct Search Button
8.(VCD) Digest/Time Search Button
9.(VCD/CD) Clear Button
10.(VCD/CD) Memory Button
11.(VCD/CD) Disc Skip Button
12.(VCD) Skip/Previous Button
(CD) Track Down/Review Button
(TUNER) Preset Down Button
(TAPE 2) Rewind Button
13.(VCD) Bookmark Button
14.(VCD) PAL/NTSC Select Button
15.(TAPE 2) Record Pause Button
16.Function Selector Buttons
17.(VCD/CD) Random Button
18.(VCD/CD) Pause Button
19.(VCD) Skip/Next Button
(CD) Track Up/Cue Button
(TUNER) Preset Up Button
(TAPE 2) Fast Forward Button
20.(VCD) Play/Repeat/Select/Resume Button
(CD) Play/Repeat Button
(TAPE) Play Button
21.(VCD) Stop/Return Button
(CD/TAPE) Stop Button
22.Extra Bass Button
23.Equalizer Mode Selector Button
24.Volume Up/Down Buttons
2
3
4
5
6
7
8
9
1
1
2
3
4
1
2
2
1
6
3
4
5
7
89
10 11
12
13
14
15
17
18
19
20
21
22
23
24
16
GBOXS0043AWM1
CP-BK1450

CD-BP1450V
– 6 –
OPERATION MANUAL
(Continued)
Connecting the AC power lead
Check the setting of the AC voltage selector located on the
rear panel before plugging the unit into an AC socket. If nec-
essary, adjust the selector to correspond to the AC power
voltage used in your area.
Selector adjustment:
Turn the selector with a screwdriver until the appropriate
voltage number appears in the window (110 V, 127 V, 220 V
or 230 V -240 V AC).
Notes:
Plug the AC power lead into an AC socket, after any con-
nections.
Unplug the AC power lead from the AC socket if the unit
will not be in use for a prolonged period of time.
Never use a power lead other than the one supplied. Use
of a power lead other than the one supplied may cause
an electric shock or fire.
AC Plug Adaptor
In areas (or countries) where an AC socket as shown in
illustration is used, connect the unit using the AC plug
adaptor supplied with the unit, as illustrated. The AC plug
adaptor is not included in areas where the AC wall socket
and AC power plug can be directly connected (see illustra-
tion ).
Note for users in Australia and New Zealand:
An AC plug adaptor is not supplied if the lead has an Austra-
lian Standard plu
g
.
AM/FM interval (span)
The International Telecommunication Union (ITU) has
established that member countries should maintain either a
10 kHz or a 9 kHz interval between broadcasting frequen-
cies of any AM station. The illustration shows the 9 kHz
interval zones (regions 1 and 3), and the 10 kHz interval
zone (region 2).
Before using the unit, set the SPAN SELECTOR switch (on
the rear panel) to AM tuning interval (span) of your area.
To change the tuning zone:
1
Press the ON/STAND-BY button to enter the stand-
by mode.
2
Set the SPAN SELECTOR switch to "50/9" for 9 kHz
AM interval (50 kHz FM interval), and "100/10" for 10
kHz AM interval (100 kHz FM interval).
3
Whilst pressing down the / button and the
EQUALIZER/X-BASS/DEMO button, hold down the
ON/STAND-BY button for at least 1 second.
"CLEAR AL" will appear.
Caution:
The operation explained above will erase all data stored
in memory including clock and timer settings, and tuner
and CD presets.
To an AC socket
1
2

– 7 –
CD-BP1450V
SETTING THE CLOCK
In this example, the clock is set for the 24-hour (0:00) sys- tem.
1
Press the ON/STAND-BY button to enter the stand- by mode.
2
Press the CLOCK button.
3
Within 5 seconds, press the MEMORY/SET button.
4
Press the TUNING/TIME ( or ) button to select the time display mode.
Note that this can only be set when the unit is first installed or it has been reset.
5
Press the MEMORY/SET button.
6
Press the TUNING/TIME ( or ) button to adjust the hour.
Press the TUNING/TIME ( or ) button once to advance the time by 1 hour. Hold it down to advance continuously. When the 12-hour display is selected, "AM" will change automatically to "PM".
7
Press the MEMORY/SET button.
8
Press the TUNING/TIME ( or ) button to adjust the minutes.
Press the TUNING/TIME ( or ) button once to advance the time by 1 minute. Hold it down to change the time in 5-minute intervals. The hour setting will not advance even if minutes advance from "59" to "00".
9
Press the MEMORY/SET button.
The clock starts operating from "0" second. (Seconds are not displayed.) And then the clock display will disappear after a few seconds.
To see the time display: Press the CLOCK button.
The time display will appear for about 5 seconds.
Note:
The clock display will flash on and off at the push of the CLOCK button when the AC power supply is restored after a power failure occurs or after the AC power lead is disconnected. If this happens, follow the procedure below to change the clock time.
To change the clock time: 1 Press the CLOCK button. 2 Within 5 seconds, press the MEMORY/SET button. 3 Perform steps 6 - 9 above. To change the time display mode: 1 Perform steps 1 - 2 in "RESETTING THE MICROCOM-
PUTER".
2 Perform steps 1 - 9 above.
(Main unit operation)
"0:00" The 24-hour display will appear.
(0:00 - 23:59)
"AM 0:00" The 12-hour display will appear.
(AM 0:00 - PM 11:59)
"AM 12:00" The 12-hour display will appear.
(AM 12:00 - PM 11:59)
ON/
STAND-BY
CLOCK
MEMORY/SET
TUNING/TIME ( )
AM 0:000:00 AM 12:00
Remote control
Notes concerning use:
Replace the batteries if the operating distance is reduced or if the operation becomes erratic. Periodically clean the transmitter LED on the remote con- trol and the sensor on the main unit with a soft cloth. Exposing the sensor on the main unit to strong light may interfere with operation. Change the lighting or the direc- tion of the unit. Keep the remote control away from moisture, excessive heat, shock, and vibrations.
15
15
0.2 m - 6 m (8" - 20')
RESETTING THE MICROCOMPUTER
Reset the microcomputer under the following condi- tions:
To erase all of the stored memory contents (clock and timer settings, and tuner and CD presets). If the display is not correct. If the operation is not correct.
1
Press the ON/STAND-BY button to enter the stand- by mode.
2
Whilst pressing down the / button and the EQUALIZER/X-BASS/DEMO button, hold down the ON/STAND-BY button for at least 1 second.
"CLEAR AL" will appear.
Caution:
The operation explained above will erase all data stored in memory including clock and timer settings, and tuner and CD presets.
EQUALIZER X-BASS/ DEMO
ON/
STAND-BY

CD-BP1450V
– 8 –
1 Top Cabinet 1. Screw ..................... (A1) x4 8-1
2 Side Panel 1. Screw ..................... (B1) x2 8-1
(Left/right) 2. Screw ..................... (B2) x2
3 CD Player Unit/ 1. Turn on the power supply, 8-2
CD Tray Cover open the disc tray, take out the
CD cover, and close. (Note 1)
2. Screw ..................... (C1) x1
3. Hook....................... (C2) x3
4. Hook....................... (C3) x2
5. Socket .................... (C4) x3
4 Rear Panel 1. Screw ..................... (D1) x8 8-2
5 Main/Headphones 1. Screw........................ (E1) x8 9-2
PWB 2. Socket .................... (E2) x4
3. Flat Cable .............. (E3) x1
4. Lug Wire................. (E4) x1
6 Front Panel 1. Screw ..................... (F1) x3 9-2
7 Display PWB 1. Screw ..................... (G1) x9 9-3
2. Flat Cable .............. (G2) x1
8 Tape Mechanism 1. Open the cassette holder. 9-3
2. Screw...................... (H1) x5
9 Turntable 1. Hook....................... (J1) x2 9-4
2. Cover ..................... (J2) x1
10 Disc Tray 1. Turn fully the lock lever in the 8-3
arrow direction.
2. While holding the lock lever, rotate 9-1
the cam gear until the cam gear
rib engages with the clamp lever.
3. Push the slide holder backward to 9-5
engage the claw with the groove
and remove it in the direction
of the arrow. .............. (K1) x6
11 CD Servo PWB 1. Screw ..................... (L1) x1 9-6
(Note 2) 2. Hook....................... (L2) x3
3. Socket .................... (L3) x4
12 CD Mechanism 1. Hook....................... (M1) x2 10-1
2. Hook....................... (M2) x3
13 Loading Motor PWB 1. Hook....................... (N1) x5 10-1
DISASSEMBLY
Caution on Disassembly
Follow the below-mentioned notes when disassembling
the unit and reassembling it, to keep it safe and ensure
excellent performance:
1. Take cassette tape and compact disc out of the unit.
2. Be sure to remove the power supply plug from the wall
outlet before starting to disassemble the unit.
3.Take offnylon bands or wire holderswhere theyneed to
beremovedwhendisassemblingtheunit.Afterservicing
theunit, besure torearrange the leads where they were
before disassembling.
4. Take sufficient care on static electricity of integrated
circuits and other circuits when servicing.
Figure 8-2
Figure 8-3
STEP REMOVAL PROCEDURE FIGURE
Note 1:
How to open the changer manually. (Fig. 8-3)
1. In this state, turn fully the lock lever in the arrow direction
through the hole on the loading chassis bottom.
2. While holding the lock lever, rotate the cam gear anti clockwise
until the cam gear rib engages with the clamp lever. (Fig. 9-1)
3. After that, push forward the CD slide holder.
Note 2:
1.After removing theconnector for theoptical pickup fromthe
connector, wrap the conductive aluminium foil around the
front end of the connector to protect the optical pickup from
electrostatic damage.
Figure 8-1
Note 3:
1. Be careful not to break the claw of the CD mechanism.
2.When fining backthecam gearassembly,let itlockby front
movement.
(B2)x1
ø3x10mm
(B2)x1
ø3x10mm
Side Panel
(Right)
Side Panel
(Left)
Top Cabinet
Rear
Panel
(A1)x2
ø3x12mm
(A1)x2
ø3x12mm
(B1)x2
ø3x12mm
Front Panel
(C3)x1
(C1)x1
ø3x12mm
(D1)x8
ø3x8mm
CD Player
Unit
CD Tray Cover
Rear
Panel
Pull
(C3) x1
(C2) x3
1
1
2
Main PWB
Front Panel
(C4)x3
Video CD PWB
Lock Lever
CD Player Unit
(Bottom View)
CD-BP1450V
CD-BP1450V

– 9 –
CD-BP1450V
Figure 9-2
Figure 9-3
Figure 9-4
Figure 9-5
Figure 9-6
Turntable
Slide Chassis
(J2) x1
Loading Chassis
(J1) x2
1
2
(K1) x3
(K1) x3
Slide Chassis
Loading Chassis
(L3) x2
(L2) x3
(L3) x2
CD Servo
PWB Slide Chassis
(L1)x1
ø3x8mm
(E2)x2
(E2)x1
(E2)x1
(E3)x1
Headphones
PWB
(E1)x7
ø3x10mm
Main PWB
(E1)x1
ø3x10mm
(E4)x1
(F1)x3
ø3x8mm
Front Panel
(G1)x10
ø3x10mm
(G2)x1
(H1)x5
ø3x10mm
Display PWB
Open
Cassette
Cover
Tape
Mechanism
Front Panel
Clamp Lever
CD Player Unit
(Top View)
Cam Gear Rib
Figure 9-1

CD-BP1450V
– 10 –
Figure 10-2 Figure 10-3
CP-BK1450
Screwdriver
Driver should be
pried away from
speaker box.
(A1x1)
Tweeter
(B1)x2
ø3x10mm
(A2)x4
ø4x12mm
Woofer
1 Woofer 1. Front Panel ............ (A1) x1 10-2
2. Screw ..................... (A2) x4
2 Tweeter 1. Screw ..................... (B1) x2 10-3
STEP REMOVAL PROCEDURE FIGURE
Figure 10-1
(M2) x3
(M1) x1
(N1) x5
(M1) x1
Loading
Motor
PWB
CD
Mechanism

– 11 –
CD-BP1450V
Figure 11 BLOCK DIAGRAM (1/3)
CNP12
CNP11
Q2
+3.3V
+5V
CONT5
CONT2
CONT3
CONT4
CONT7
CONT6
SLD0
SPD0
FD0 TD0
+5V
TO DISPLAY SECTION
CLAMP SW
CDINT
WRQ
CE
DO
CLK
DI
CD RES
GND
DRF
CNS4
BI4 CNP4
M2
SLED
MOTOR
M1
SPINDLE
MOTOR
MM
TRACKING COIL
FOCUS COIL
PICKUP UNIT
TE
FE
RFEV
HFL
VVDD
ADAVDD
VDD
LVDD
RVDD
XVDD
VDD5V
RFEV
FE-
FE
TE-
TE
HFL
+3.3V
CONSTANT
VOLTAGE
+5V
Q1
Q3
LASER
DRIVER
LDD
PD
VCC3 VCC2 VCC4 VCC1
TIN2
TIN1
FIN2
FIN1
IC3
M63001FP
FOCUS/TRACKING/
SPIN/SLED DRIVER
IC1
LA9235M
SERVO AMP.
TO MAIN SECTION
(TO IC601)
R-CH
L-CH
AGND
DGND
+B3(+5V) RCHO
RVSS
LVSS
LCHO
IC2
LC78636E
SERVO/SIGNAL
CONTROL
-
+
M
SW1
OPEN/
CLOSE
XL1
16.9344MHz
6
5
4
3
3
2
5
4
1
1
2
3
4
7
8
2
1
7
8
9
10
1
2
4
3
5
SW2
CLAMP
SW3
DISC
NUMBER
M3
T/T
UP/DOWN
MOTOR
6
1
2
4
3
5
6
1
2
4
3
5
6
75
76
45
53
46
47
48
32
31
30
40
65 66 67 68 69 70 71 72
CE CL DI DO INT WRQ
RES
DEF
52 51
XOUT XIN
73
5
18
36
44
49
50
7
3
14
15
16
19
23
242526
3359
5735545556
17
18
19
20
21
22
30 23 11 9
14
5
6
7
15
16
26
27
2
17
25
41
42
38
39
35 29 22 21 14 8
40
18 24 23 28
SW4
PICKUP IN
+3.3V
QV3
+B5
XV1
4.19MHz
7
XV2
27MHz
ICV1
MPEG CONTROLLER
IX0352AW
ICV2
D61012GC
MPEG DECODER
ICV3
SDM4260C
DRAM
~~
~
~
~~
~ ~ ~~
~
~~ ~~~~
~
~~
~
~
MBUSY MCK MDO MDI X1
X2
PWR_MPEG
+B3
+B3
ICV4
NJM2267M
VIDEO
OPERATION
AMP.
CNPV3
JK902
VIDO OUT
HD7
HD0
AUDO AUBCK AULRCK CDC2PO CDLRCK CDBCK CDI
X1 X2
VOUT1
VDD,CKSEL,HSELX, HSELA,AVDD HD7
HD4 HD3
HD0
MA8
MA4
MA3
MA0
MRAS
MWE
MCAS
MD5
MD7
MD4
MD0
MD11
MD8
~
~~
MD15
MD12
VDD
DQ0
DQ3
DQ4
DQ7
DQ8
DQ11
DQ12
DQ15
WE
RAS
A0
A3
A4
A8
9
14
16
22
20
1918
40
10 24 35
64
1
15
17
23
25
36
44
51
63
75
76
83
84
92
18
257
10
14
38
2
1
6
20
5
7
86
1
7
2
6
35 32 339597 98 99
42
45
10
13
14
16
19
22
26
31
34
36
39
21273545
~~~
~~
48
49
52
53
54
56
58
62
65
68
70
73 13
57
41
15
17
25
33
42
45
50
~
~
QV2
~

CD-BP1450V
– 12 –
Figure 12 BLOCK DIAGRAM (2/3)
REC/PLAY
CLK
CE
DI
MUTE
SYSTEM
Q602
Q601
DO CLK DI CE
MO/ST
+B2
SWITCHING
+B2
FM/AM
IC302
LC72131
PLL(TUNER)
OUT
FM/AM
+B2
L
R
BAIS
MUTING
Q110
Q111
P.B.
REC
AC BIAS
L
L
R
R
R
L
TAPE
TUNER
CD
PB
CNS601
FROM CD
SECTION
CNP11
ERASE
HEAD
SWITCHING
SWITCHING
SWITCHING
BIAS
Q102
Q103
Q101
Q113
SWITCHING
Q112
OSC
BIAS L104
Q114
Q109
Q108
R-CH
L-CH
R-CH
L-CH
IC601
LC75341
AUDIO PROCESSOR
H/N
P.B
+B2
R
L
REC
R
L
L NF
R NF
ALC
REC
T1/T2
T1/T2HIGH
NOR/
REF
R REC
L REC
POP
REDUCE
R NF
L NF
SWITCHING
Q104~
Q107
L(T2)
R(T2)
R(T1)
L(T1)
IC101
AN7345K
PLAYBACK AND RECORD/
PLAYBACK AMP.
R
L
FM/AMMPX IN
STEREO
AM RF IN
AM OSC IN
FM +B
Q360
VT
FM OSC
4.5MHz
X352
COVERAGE
AM BAND
AM
TRACKING
T303
Q302
X351
MO/ST
VCO
DET
FM
FM+B
GND
AM IF
CF351
IC303
LA1832S
FM IFDET/
FM MPX. /AM IF
AM MIX
CF352
T351
RF
FM
OSC
FM
L312
CF303
T302
FM FRONT END
TA7358AP
IC301
BF301
FM ANTENNA
TERMINAL
22
3
21
4
24
2
1
818
17
5
4
3
910
18
11
3
15
10
7
23
14
12
13
1
2
20
19
7
18
10
8
17
13
21
4
5
2
24
23
6
9
16
14
12 15
1
5
13
8
4
3
31
21
7
98
5
6
21
21
20 22 11
17
15
16
9
6
5713
14
12 15
16
23
4
7
17
T301
T306
4
FM
REC
PLAYBACK
HEAD
TAPE 2
PLAYBACK
HEAD
TAPE 1
R
L
SO302 B.P.F
AM LOOP
ANTENNA
1
21
2
CNP302
113
3
1
VDD
AM OSC OUT
24

– 13 –
CD-BP1450V
Figure 13 BLOCK DIAGRAM (3/3)
SPEAKER
SPEAKER
FRONT
SURROUND
SO801
AC INPUT
SOCKET
SW801
VOLTAGE SELECTOR
110V
127V
220V
230-240V
PT801
POWER TRANSFORMER
UN SW 5V
REC/PLAY
+B5
KIA7042AP
RESET
SYS. STOP
RESET
IC704
Q707
SO901
SPEAKER
TERMINAL
+B5 +B5
+B4
SW601
SPAN SELETOR
+B5
VDD VDD VDD
R-OUT
L-OUT
SP. DET. Q901
Q902
Q903
Q904
A10V
+5VCD
+B5
+B2
+B3
~
IC803
IC802
IC801
MUTE
SYSTEM
Q602
Q601
CE DI CL DO
+B2
XL701
4.1943MHz
~
D810-D813
D814
+B1
-B1 F803
T3.15A L 250V
F802
T3.15A L 250V
~
~~
+Vcc–Vcc
POWER AMP.
STK402020
IC901
BAIS
AVDD
KEY
SW701-SW721
SW723-SW725
SECTION
TO CD
AC POWER
SUPPLY CORD
AC 110/127/220/
230-240V, 50/60Hz
T.F.
IC701
IX0338AW
SYSTEM
MICROCOMPUTER
FL DISPLAY
FL701
~~
10
13
89
1
15 7
1
3
333231
71
30
11
10
65
41
2
99
80
33
31
45
71112139 10 1516 17 2021 23
22 24
100
78
60 59575655545352 5051 49484746 444342414039
38
37
36
35
34
4
21
JK901
HEADPHONES
Q706
M
TAPE
MOTOR
MOTOR
DRIVER
Q705
Q704
RX701
1 2 3
+B5
LED722
Q702
Q703
SOLENOID
T2 PLAY
T1 PLAY
R. PLAY
F. PLAY
M_10V
+B4
SW 5V
+B6
KIA7805P
VOLTAGE
REGULATOR
KIA7810AP
VOLTAGE
REGULATOR
AN78L05
VOLTAGE
REGULATOR
Q701
L
R
12
F801
T2A L 250V
Q805

CD-BP1450V
– 14 –
Figure 14 SCHEMATIC DIAGRAM (1/11)
A
B
C
D
E
F
G
H
123456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 32.
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17 16151413121110
98765432
2
1
1
AUEMP
AV_GND
D_GND
RES
TESTPOINT
MBUSY
+5V +B
+B
+B
+B
+B
+B +B
+B
+B
+B
+B
+B
+B
DATAD
C2PO
BCLK
LRCK
SBUSY
AULRCK
AUDO
AUCLK
AUBCK
MCLK
MDO
MDI
3.3V
TO CD SECTION
P17 12-C, P17 12-E, P17 12-F
GND
SCK
SI
SO
RESET
VDD
VPP
TO CD SECTION
P17 12-C, P17 12-E, P17 12-F
7
6
5
4
1
2
3
KEY CONT.
VOCAL CANCEL
HD0
HD1
K_C_STRB
K_C_CLK
K_C_DATA
VSS0
VDD0
PWR_MPEG
MDI
MDO
MCK
SBUSY
MBUSY
VDD1
AVSS
HD7
HD6
HD5
HD4
HD3
HD2
AVREF
AVDD RESET
XT2
XT1
IC
X2 X1
VSS1
INT
HCS
HRD
HWR
HDAK
HA
MPEG RESET
CD-LD M-
CD-LD M+
CD-SOL
MO_SPEED
23
1
10
8
18
4
3
2
16
11
12
14
13
15
19
17
6
1
7
5
9
ICV1
IX0352AW
MPEG CONTROLLER
QV2
KTA1298 Y
CV1
47/6.3
RV1
10K
RV2
1K DV4
KDS193
QV3
KRC104 S
RV86
4.7K
RV11
1K
CV4
47/6.3
CV5 0.22
L64
0.82µH
RV93 10K
RV15
1K
RV94 10K
CV2
0.22
RV20
1K
XV1
4.19MHz
RV22 1K
RV59 10K
RV37
1K
RV38 3.9K
RV39 3.9K
RV40 3.9K
RV41 3.9K
RV42 3.9K RV43 3.9K
RV44 3.9K
RV45 3.9K
RV46 3.9K
RV47 3.9K
RV48 3.9K
RV49 3.9K
RV50 3.9K
C
4
7
CV9
0.22
C
V
27P
XV2
XV2
27MHz
C
V
27P(
C
V
0.
2
RV85
10K
RV84
4.7K
DV5
KDS193 QV4
KTA1298 Y

– 15 –
CD-BP1450V
Figure 15 SCHEMATIC DIAGRAM (2/11)
78 9 10 11 12
8
7
6
5
4
3
2
1
100
100
99
99
98 979695949392919089888786858483828180797877
77
76
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
50
49
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
27
26
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
+B
+B
+B
+B
+B +B
+B
+B
+B
+B
+B
2
12 1
CDBCK
CDLRCK
CDEMPH
CDC2PO
AGND
VOUT3
VOUT2
VOUT1
CBP3
CBP2
CBP1
AVDD
HSYNC NSYNC CSYNC
VCLK
VCLK
CDI
MD8
MD9
MD10
MD11
GND
MD12
MD13
MD14
MD15
MD0
MD1
MD2
MD3
MD4
MD5
MD6
MD7
MCAS
MWE
VDD
VDD
VDD
VDD
VDD
MRAS
MA0 MA1 MA2 MA3 VDD MA4
MA5 MA6
MA7 MA8 VDD
AUDO AUEMPH AULRCK AUBCK
AUCLK
INT
HDAK
RESET
VDD
HSELA
HSELX
HA
HWR
HRD
HCS
VDD
CKSEL
VDD
X2
X1
HD0
HD1
HD2
HD3
GND
GND
GND
GND
GND
GND
GND GND GND
GND
GND
GND
GND
GND
HD4
HD5
HD6
HD7
GND
VDD
VSS
DQ15
DQ14
DQ13
DQ12
VSS
DQ11
DQ10
DQ9
DQ8
LCAS
UCAS
OE
A8
A7
A6
A5
A4
VSS
VDD
A3
A2
A1
A0
RAS
WE
DQ7
DQ6
DQ5
DQ4
VDD
DQ3
DQ2
DQ1
DQ0
VDD
VIDEO SIGNAL
CD VIDEO PWB-B(1/2)
CHASSIS
GND
VIDEOOUTPWB-A4
RV49 3.9K
RV50 3.9K
CV10
47/6.3
CV9
0.22
CV7
27P(CH)
XV2
XV2
27MHz
CV6
27P(CH)
CV11
0.22
RV64
47
RV95
6.8K
ICV4
NJM2267M
VIDEO
OPERATION AMP.
CV39
1000/6.3
CV40
22/6.3
CV41
4.7/25
RV96
33K
CV17 0.01
CV18 1000/6.3
RV61
100K
CV15
4.7/25
RV60
100
CV13
0.1
CV14
0.1
CV16
0.1
ICV2
D61012GC
MPEG DECODER
CV12
0.22
CV20
0.22
L63
0.82
CV23
47/6.3 CV25
0.22
ICV3
SDM4260C
DRAM
CV24
0.22
CNPV3
CNS902
RV63
150
RV62
150
CV22
47/6.3
CV19
0.22
CV21
0.22
D919
DS1SS133
D918
DS1SS133
JK902
VIDEOOUT

CD-BP1450V
– 16 –
Figure 16 SCHEMATIC DIAGRAM (3/11)
A
B
C
D
E
F
G
H
123456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 32.
CD MOTOR PWB-C
PICKUP UNIT
TR-
TR+
FO+
FO-
GND
ACTUATOR
FO+
FO-
TR-
TR+
PD
VR
LD
5
2
8
3
6
7
1
4
1
2
3
4
5
6
7
88
3
6
7
1
4
5
2
Vcc
C
Vref
F
B
E
A
2
5
3
1
7
6
45
1
3
7
6
4
2
4
3
2
1
7
6
5
CNS1A CNS1B
CD SIGNAL
+B
+B
+B
+B
+B
+B
LD
VR
PD
GND
FO–
FO+
TR+
TR–
1
2
3
4
5
7
6
9
10
11
12
13
14
15 16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
8
7
6
5
4
3
2
1
NC
NC
LDON
EFBL
FIN1
FIN2
REF1
TIN2
TIN1
NC
AGON
LDD
TEST0
TEST
HFL
TE
TE–
FE
FE–
RFEV
BH
PH
RF
RF–
RFSW
VCC
GND
VREF
TES1
NC
REF
ODRV
AGCON
ODRV
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
REF
AGCON
ODRV
APC
LPF
DH
PH
LPF
LPF
PH/BH
TDO
P
H
NC
9
10
11
12
13
14
15
16
17
18
19
20
21 22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
8
7
6
5
4
3
2
1
NC
NC
SLDO
FDO
TDO
LOADING M–
VCC3
VCC2(SPN)
VCC4
LD_M+
LD_M–
LOADING M+
SP–
SP+
SPO
MUTE
Vref
STANDBY
VCC1
SL–
SL+
GND
GND
TR+
TR–
FO–
FO+
FO
FD
TO
+
++
+
+
–
–
–
–
–
+
–+
–
+
–
–
–
–
++
+
+
–
+
–
+
–
+
–
8
7
6
5
4
3
2
1
GND(D)
PUIN
SP+
SP–
SL+
SL–
6
2
3
1
4
5
6
2
3
1
4
56
2
3
1
4
56
2
3
1
4
5
M
M
+
-
-
+
TDO
SPDO
EFBL
FIN2
FIN1
TIN2
TIN1
CD VIDEO PWB-B(2/2)
8
LASER
DRIVER
C8
0.022
C7
10/16
C20
0.1
C14
0.33
R56
68K R55
68K
R54 68K
R53 68K
R52 68K
R51 68K
CNP1
CNP2
C54
47/10
C13
0.01
R50
47
C47
100/6.3
C55
0.01
C51
47/6.3
C53
0.001
R47
3.3
Q3
KTA1504 GR
CNP3
C41
100/6.3
R8
330
C11
47/6.3
R10
27K
C26
0.047
C22
100P
R80
1M
C49
100/6.3
C50
100/6.3
R79
1.5M C24
2.2/50
C21
0.1
C23
0.047 R12
680
R35
C52
0.01
R25
10K
R
1
R11
12
K
R6
27K
C
0
C28
47/10
C82
0.022
R7
6.8K
R
C17
0.0047
S
R5
39K
C12
0.022
C46
0.022
R15
10K
C18
3P
(CH)
R3
82K
R4
18K
C42
68P
(CH)
C25
0.022
IC3
FOCUSE/TRACKING/
SPIN/SLED DRIVER
R48
6.8K
CNS3A
CNS3B
M1
SPINDLE
MOTOR
M2
SLED
MOTOR
SW4
PICKUP IN
CNP3A
CNS2A CNS2B
IC1
LA9235M
SERVOAMP.
R42
120K
IC3
M63001FP
C6
100/10
5
4
13 1

– 17 –
CD-BP1450V
Figure 17 SCHEMATIC DIAGRAM (4/11)
78 9 10 11 12
• The numbers 1 to 13 are waveform numbers shown in page 33.
5
2
1
4
3
6
5
2
1
4
3
65
2
1
19
18
17
16
4
3
6
DISC_NO
GND(D)
M–
M+
M
RES
C2PO
SBUSY
MBUSY
TO MPEG SECTION
P14 1-C
P14 1-F
MBUSY
SBUSY
DRF
GND
CD RES
CLK
WRQ
CDINT
CLAMP SW
DI
DO
CE
DO
INT
DRF
WRQ
CE
RES
DI
CL
AUEMP
3.3V
MCLK
MDI
MDO
D_GND
AV_GND
+5V
DGND
AGND
L-CH
R-CH
5
4
3
2
1
+5V
+B
+B
+B
+B
+B
+B+B
+B
+B
AULRCK
AUBCK
AUDO
LRCK
BCLK
DATAD
AUCLK
TO MPEG SECTION
P14 1-C
P14 1-F
14
15
13
12
11
10
9
8
7
6
5
4
3
2
1
O/C
TO MPEG SECTION
P14 1-C
P14 1-G
CNS601
P20 1-A
TO MAIN PWB
CNS702
TO DISPLAY PWB
P19 12-B
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25 26 27
28
29 30
31
32
33 34 35 36 37 38 39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65 66 67 68 69
70 71 72 73
74 75 76 77 78 79 80
8
7
6
5
4
3
2
1
NC NCNC
NC
NC
NC
NC
NC
NC
NC
FG(D_Vref)
C2F
PCKIST
TEST
DOUT
VDD
PCK
SLDO
SPDO
FDO
TDO
TBLO
BHREF
PHREF
ADAVSS
ADAVDD
VREF
TE
FE
PH(RFENV)
BH
JITTC
JITTV
EFMIN
SLCO
SLCIST
HFL
FR
VVDD
VVSS
PD02
PD01
EMPH
MUTEL
MUTER
LVDD
LCHO
XVDD
LVSS
RVSS
RCHO
RVDD
XIN
XOUT
XVSS
ASLRCK
ASDACK
ASDFIN
LRSY
DATACK
DATA
16M
SFSY
SBSY
PW
SBCK
VDD5V
EFMO
NC
EFLG
FSX
CONT5 CONT4 CONT3 CONT2 CONT1 LASER
SERIAL
OUT
EXTERNAL
AUDIO IN
DIGITAL
FILTER
1BIT DAC
LPF
INTERPOLATION
MUTE
ATTENUATION
DEEMPHASIS
AUDIO
OUT
ERROR
CORRECT
FRAME SYNC
DEFECT,PROTECT
EFM DECODE
CLV
CONTROL
CLOCK
GENERATOR
GENERAL
SUBCODE
DECODE
CRC
COMMAND
INTERFACE
GENERAL
SW
SERVO
PROCESSEROR
AUTO
ADJUST
–
+
S/H
JITER
DEFECT
CONTROL
A/D
SW
SLICE
LEVEL
CONTROL
PLL
VCEC
D/A
CONT7 CONT6 CE CL DI DO
WRQ
RES DEF
VSS
V/vP
FSEQ
DEFECT
3
2
1
N
G M–
P
N)
+
–
N
G M+
TDO
SLDO
FDO
RES
WRQ
CE
CL
DI
DRF
INT
O/C
DISC_NO
9
10
11
12
8
7
1
5
6
4
2
3
+
–
CD LOADING
MOTOR PWB-E
D
O
EFBL
9
10
11
12
3
7
8
CONSTANT
VOLTAGE
R97
3.9K
R96
1K
R19
47
C64
47/6.3
ZD61
Z02W3.9
C56
330/6.3
R20
220
R16
10K L61
0.82µH
Q4
KTA1504 GR
C34
0.022
XL1
16.9344MHz
C45
100/6.3
R1
1K
R89 1K
R91 1K
R90 1K
R93 1K
R92 1K
R86 1K
R85 100
R95
10K
R94
10K
R67 1K
R68
1K
C83
0.022
R84
10K
C40
0.0015
C43
0.0015
R83 10K
R82
2.2K
R81
2.2K
R17 1K
D21
KDS193
R21
470 R22
470
Q2
KRC102 S
D22
KDS193
R46 1K R45 1.2K R40 1.2K
C80
0.1
R73 1K
R71 1K
C72 0.01 R72 1K
C71 100P
C73 100P
C75 100P
C76 100P
C77 100P
C78 100P
R75 1K
R76 1K
R77 1K
R78 1K
C74 100P R74 1K
L62
2.2µH
C38 10/16
C39
10/16
C47
100/6.3
CNP4
C41
100/6.3
R8
330
R10
27K
C26
0.047
C22
100P
R80
1M
R79
1.5M C24
2.2/50
C21
0.1
C23
0.047 R12
680
R35 1K
R39
470
R38
270
C44
0.022
C31
100/6.3
R14
1.2K
R11
12K
R13
680
C81
0.022
C27
0.1
C28
47/10
C
82
022
R44
1K
7
0
47
IC2
SERVO/SIGNAL
CONTROL
R58
220
Q1
KTC3265Y
C30
0.022
R15
10K
C29
0.022
C42
68P
(CH)
C25
0.022
DO
SW3
DISC NUMBER
SW2
CLAMP
SW1
OPEN/CLOSE
M3
T/T
UP/DOWN
LOADING
BI4
CNS4
IC2
LC78636E
2
1
6
CNP12
CNP11

CD-BP1450V
– 18 –
A
B
C
D
E
F
G
H
123456
Figure 18 SCHEMATIC DIAGRAM (5/11)
P9
P10
P11
P14
0V
0V
12V
12V
12V
12V
T2 RUN
+5V
+M TR
SOL2
SOL1
T1 RUN
T1 PLAY
GND
F_REC
T2
T1
T1
POWER
9G 4G 3G 2G 1G P17 P18 P19 P12 P1 8G P2 P3 7G 6G P4 P5 5G P6 P7 P8 P9 P10 P11 P14 P20 P13 P16 P15
F F
T-BIAS
T_T1/T2
VDD
X1
X2
AVDD
RESET
CD CE
CD DI
WRQ
CDINT
P19 P12
P1 P2 P3 P4 P5 P6 P7
P8
P20
P13
P16
P15
CE
S-BUSY
REC/PLAY
RESOUT
VPP/IC
CD CLK
CD DO
CLK
DI
DO
AVSS
M-BUSY/TUNSM
KEY2 KEY1 KEY0 SYS STOP NO REMOCON VSS S MUTE T_SOL_A T_MOTOR TIMER LED VDD ACRLY_CONT
PLAYSW_B
KARAOKE LATCH
DIST3
DIST2
DIST1
DIST0
VLOAD
P18 P17
5G 6G 7G 8G 1G 2G 3G 4G 9G
VDD
T_SOL_B
SW
CD CLAMP
T2 RUN
FPA
-20dBATT
DRF
XT2
AVref
RUN
PLAYSW_A
FPB
MIC IN
SPN
DISTOUT/SWOUT
USE
SP_RLY
1
2
3
4
5
1
7
8
9
6
12
13
11
10
82 83 84 8581 87 88 8986 90 92 93 94 9591 97 98 9996 100
2
3
4
5
1
7
8
9
6
12
13
14
15
11
17
18
19
10
16
20
22
23
24
25
21
27
28
29
26
30
23 4 5 17 8 96
12 13 14 1511 17 18 1910 16 22 23 24 2521 27 28 2920 26 30 31
52
53
54
55
51
52
53
54
51
57
58
59
56
60
62
63
64
65
61
67
68
69
66
70
72
73
74
75
71
77
78
79
76
80
80
32333435 31373839 364042434445 41474849 4650
+B
+B
+B
+B
+B
+B +B
+B
+B
13
12
11
10
9
8
7
2
1
3
4
5
6
--
+
M
TAPE MECHANISM PWB-D
TAPE
MOTOR
SOLENOID
SOLENOID
FFC13
PH
PH
T2 PALAY
R.PALAY
T1 PALAY
F.PALAY
R751 10K
R750 10K
R749 10K
R748 10K
R753 10K
D715
DS1SS133
R734 1K
R733 1K
R735 1K
R737 1K
R736 1K
R742 1K
D701
DS1SS133
R743 33
C708 1/50
C705 100/10
R792 1K R778 1K R732 1K R726 2.2K R727 2.2K R728 2.2K R729 2.2K
R719 1K R720 1K R721 1K
R722 10K
R724 1K
K
R755
4.7K
R777
10K
R776
10K
R775
10K
Q702
KTC3199 GR
Q706
KTA1273 Y
R768
10K
Q704
KTA1271 Y
Q705
KTA1271 Y
R766 10K
R767
10K
R757 68K
R756 68K
R758 10K
R759 10K
R763 47K
D705
DS1SS133
Q703 KTC3199 GR
R762 47K
D704
DS1SS133
C712
10/16
C711
10/16
R761
1K
R760
1K
D703
DS1SS133
D702
DS1SS133
C710
47/25
LED722
4204SRT7
FL701
FL DISPLAY
IC701
IX0338AW
SYSTEM
MICROCOMPUTER
CNS703
R
• NOTES ON SCHEMATIC DIAGRAM can be found on page 32.

– 19 –
CD-BP1450V
Figure 19 SCHEMATIC DIAGRAM (6/11)
78 9 10 11 12
3
21
3
2
1
POWER
UN_SW 5V
T2
T1
POWER
F F 9G 4G 3G 2G 1G P17 P18 P19 P12 P1 8G P2 P3 7G 6G P4 P5 5G P6 P7
T-BIAS
T_T1/T2
VDD
X1
X2
AVDD
RESET
CD CE
CD DI
WRQ
CDINT
P19 P12
P1 P2 P3 P4 P5
P6
P8
CE
S-BUSY
REC/PLAY
RESOUT
VPP/IC
CD CLK
CD DO
CLK
DI
DO
AVSS
M-BUSY/TUNSM
KEY2 KEY1 KEY0 SYS STOP NO REMOCON VSS S MUTE T_SOL_A T_MOTOR TIMER LED VDD ACRLY_CONT
PLAYSW_B
A
OKE LATCH
3
2
0
D
P18 P17
5G 6G 7G 8G 1G 2G 3G 4G 9G
VDD
T_SOL_B
CD_GND
CD INT
WRQ(DSP)
CLAMP SW
M-BUSY
S-BUSY
CD DO
CD DI
CD CE
CD CLK
VF1
VF2
-VP
SPAN
S MUTE
D_GND
SW_5V
SW
CD CLAMP
T2 RUN
-20dBATT
DRF
XT2
AVref
RUN
PLAYSW_A
N
O
UT/SWOUT
DRF
REC/PLAY
T_T1/T2
T_BIAS
RES OUT
AC_RLY CONT
M_10V
SW OUT
DI
CE
CLK
USE
5V BACKUP
DO
M_GND
SP_RLY
1
2
83 84 85 87 88 8986 90 92 93 94 9591 97 98 9996 100
2
3
4
5
1
7
8
9
6
12
13
14
15
11
17
18
19
10
16
20
22
23
24
25
21
27
28
29
26
30
12 13 14 15 17 18 1916 22 23 24 2521 27 28 2920 26 30 32 3331
52
53
54
51
80
32333435 31373839 364042434445 414748
9
46
2
3
4
5
1
7
8
9
6
10
11
12 11 12
2
3
4
5
1
7
8
9
6
10
2
3
4
5
1
7
8
9
6
12
13
14
15
11
17
18
19
10
16
20
21
+B
+B
+B
+B
+B +B +B
+B
+B
+B
+B
+B
+B
+B
+B +B
+B
+B
+B
1
32
1
3
2
CNP12
TO CD VIDEO PWB
21
1
CNP701
TO MAIN PWB
P21 12-D
CNS702
FFC21
P17 12 - E
R778 1K R726 2.2K R727 2.2K R728 2.2K R729 2.2K
R719 1K R720 1K R721 1K
R722 10K
R724 1K
R717 1K
R716 1K
R715 1K
R714 1K
R713 1K
R712 1K
R711 1K
R710 1K
R709 1K
R706 1K
R703 1K
R702 1K
R707 1K
R704 1K
R708 1K
R705 1K
C704
18P
C703
15P
XL701
C702
220/10
C701
0.022
R745
100K
C707
1/50
Q701
KRC107 M
R744
1K
R725
1K
R755 4.7K
L701
100µH
R770
47K
D708
DS1SS133
C713 0.1/50
D707
DS1SS133
C714 0.01
D711
DS1SS133
D710
DS1SS133
D709
DS1SS133
R771 100K
C715
3.3/50
C716
0.022
R772
4.7K
Q707
KRC102M
C717
10/50
C718
0.022 C719
47/16
R773
100
RX701
REMOTE
SENSOR
RD13
680 RD14 820 RD15
1K RD22
15K RD23
33K
RD19
3.9K
RD17
2.2K RD20 5.6K RD21 10K
RD18
2.7K
RD16
1.5K RD24
100K
SW723
REC/
PAUSE
SW724
TUNING/
TIME UP
SW721
STOP
SW718
REWIND
SW717
MEMORY/
SET SW720
PLAY
SW719
FAST
FORWARD
SW716
TUNING/
TIME
DOWN
SW715
TAPE
SW714
CD SW725
TUNER/
BAND
RD25
680 RD11 1K
SW711
X-BASS/
DEMO
RD10
820
SW712
VOLUME
UP
RD12
1.5K
SW713
VOLUME
DOWN
RD09
100K
RD08
56K RD26
6.8K
RD07
3.9K
RD01
680 RD02
820
SW710
OPEN/
CLOSE
SW709
DISC
SKIP
SW701
ON STAND-BY SW702
CLOCK SW703
TIMER/
SLEEP
SW704
AUDIO
MODE
SW705
P.B.C SW706
OSD SW707
DIGEST SW708
BOOK
MARK
IC704
KIA7042AP
RESET
R777
10K
R776
10K
R775
10K
Q702
KTC3199 GR
R768
10K
47K
LED722
4204SRT7
CNS701
FL701
FL DISPLAY
IC701
IX0338AW
SYSTEM
MICROCOMPUTER
BI702
R769
10K
RD03
1K RD04
1.5K RD05
2.2K RD06
2.7K
DISPLAYPWB-A2
R701 1K
R718 1K

CD-BP1450V
– 20 –
A
B
C
D
E
F
G
H
123456
• NOTES ON SCHEMATIC DIAGRAM can be found on page 32.
Figure 20 SCHEMATIC DIAGRAM (7/11)
+5V
GND
L
GND
R
+B
+B
+B
(CD_GND)
(A_GND)
TO CD VIDEO PWB
P17 12-D
+5V
CD_GND
L-CH
A_GND
R-CH
TAPE1_R
TAPE1_L
A_GND
A_GND
ERASE
TAPE2_R2
TAPE2_R1
TAPE2_L1
TAPE2_L2
0V
0V 0.7V
ERASEHEAD
RECORD/
PLAYBACK HEAD
TAPE 1
PLAYBACK
HEAD
R-CH
L-CH
R-CH
L-CH
CD
TUN
DECK
AUX
LSEL0
- +
- +-
+
- +
- +
- +
-
+
-
+
CCB
INTERFACE
R1
R2
R3
R4
RSEL0
RIN
RTRE
RBASS
ROUT
VREF
VDD
CLK
L1
L2
L3
L4
LIN
LTRE
LBASS
LOUT
VSS
CE
DI
L
R-
+
-
+
Hich=T1
++
-
-
Hich=CHROME
5
6
112K
56
K
112K
2
3
4
5
1
7
8
9
6
12
11
10
13
14
15
17
18
19
16
22
23
24
21
20
2
3
4
5
1
2
3
1
2
3
1
7
6
5
4
3
6
1
2
2 3 4 51 7 86
171819 222324 21 20
1
23
1
23
2
3
4
5
1
21
22
23
24
20
2
3
4
5
1
CNP11
FM SIGNAL
CD SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
TO POWER SECTION
P22 1-D
P22 1-G
Q101~Q103: SWITCHING
Q104~Q109: SWITCHING
MUTING
TAPE 2
Q602
KTC3199 GR
C602
0.001
C601
0.001
Q601
KTC3199 GR
R603
2.7K
R604
2.7K
R607
2.2K
R608
2.2K
R609
8.2K
R610
8.2K
R602
330
R601
330
C603
22/25 R625 22K
BI601CNS601
IC601
LC75341
AUDIO PROCESOR
C633
0.0033
C623 1/50
C625 1/50
C627 1/50
C629 1/50
R615
3.9K
R617
3.3K
C607 10/50
C617 1/50
C609 0.1(ML)
C611 0.1(ML)
C613 0.0027
C628 1/50
C626 1/5
0
C624 1/50
C630 1/5
0
C610 0.1(
M
C612 0.1(
M
C618 1/5
0
C614 0.0
0
C608 10/5
0
C606 22/5
0
R101
10K
C101
0.047
R157
100
R104
1K
R102
10K Q102
KRC104 M
R137
10K
Q103
KRC104 M
R103
4.7K
C108
100/16
Q101
KTA1266 GR
C103
0.001
C102
0.001
C104
180P
Q104
2SC1845 F
R108
3.3K
Q106
2SC1845 F
CNP102
CNP101
R112 4.7K
C106 0.001
R105
1K
Q108 KTC3199 GR
R106
2.2K
R110 47K
Q107
2SC1845 F
C105
180P R109
3.3K
R107
2.2K
Q105
2SC1845 F
C107
0.001
Q109 KTC3199 GR
R113 47K R111
4.7K
R138
10K
C112
330P
C123
47/25 R123
5.6K
C121
560P
R119
100K R121 3.9K
C119
0.033
C117
47/25
C143 0.0022
C115
330P C137
0.022
R125 33K
R117
56
C113
330P
R115
1K
C139
3.3/50
C127 270P
C129
22/25
R127 6.8K
R129 2.7K
R131 1.5K
C131 0.022 C133 0.0033
R133 100
R
1
1
0
Q110
KTC3199 G
R
R14
220
K
C122
47/25
R122
5.6K
C116
47/25
C120
560P
R120
3.9K
C118
0.033
R118
100K
C144 0.0022
C128
22/25
R128 6.8K
C126 270P R132 1.5K
R126 68K
R134 100
C130 0.022
R130 2.7K
R116
56
C114
330P
C132
0 0033
R114
1K
R124
33K
IC101
AN7345K