Sharp CD-BA1500H User Manual
CD-BA1500H
SERVICE MANUAL
No. S3018CDBA1500
CD-BA1500H
CD-BA1500H Mini Component System consisting of
CD-BA1500H (mani unit) and CP-BA1500H (speaker system).
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified be
used.
CONTENTS
Page
SAFETY PRECAUTION FOR SERVICE MANUAL ............................................................................................................2
IMPORTANT SERVICE NOTES (FOR U.K. ONLY) .......................................................................................................... 2
SPECIFICATIONS ............................................................................................................................................................. 3
NAMES OF PARTS ........................................................................................................................................................... 4
OPERATION MANUAL ...................................................................................................................................................... 6
QUICK GUIDE (FOR U.K. ONLY).......................................................................................................................................7
DISASSEMBLY.................................................................................................................................................................. 9
REMOVING AND REINSTALLING THE MAIN PARTS................................................................................................... 12
ADJUSTMENT ................................................................................................................................................................. 13
NOTES ON SCHEMATIC DIAGRAM .............................................................................................................................. 20
TYPES OF TRANSISTOR AND LED................................................................................................................................20
BLOCK DIAGRAM ........................................................................................................................................................... 21
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD..............................................................................................24
VOLTAGE ........................................................................................................................................................................ 41
WAVEFORMS OF CD CIRCUIT...................................................................................................................................... 42
TROUBLESHOOTING ..................................................................................................................................................... 43
FUNCTION TABLE OF IC................................................................................................................................................ 47
FL DISPLAY......................................................................................................................................................................53
REPLACEMENT PARTS LIST/EXPLODED VIEW
PACKING METHOD (FOR U.K. ONLY)
SHARP CORPORATION
– 1 –
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
CD-BA1500H
CD-BA1500H
FOR A COMPLETE DESCRIPTION OF THE OPERATION OF THIS UNIT, PLEASE REFER
TO THE OPERATION MANUAL.
SPECIFICATIONS
General
Power source: AC 230 V, 50 Hz
Power consumption: 95 W
Dimensions: Width; 270 mm (10-5/8")
Height; 330 mm (13")
Depth; 375 mm (14-6/8")
Weight: 6.4 kg (14.0 lbs.)
Amplifier section
Output power: PMPO; 320 W (total)
(Except for U.K.) MPO; 160 W (80 W + 80 W)
(DIN 45 324)
RMS; 100 W (50 W + 50 W)
(DIN 45 324)
RMS; 74 W (37 W + 37 W)
(DIN 45 500)
Output power: RMS; 100 W (50 W + 50 W)
(For U.K.) (10 % T.H.D.)
RMS; 74 W (37 W + 37 W)
(0.9 % T.H.D.)
Output terminals: Speakers; 6 ohms
Headphones; 16-50 ohms
(recommended; 32 ohms)
CD digital output (optical)
Input terminal: Video/Auxiliary (audio signal);
500 mV/47 kohms
Compact disc player section
Type: 3-disc multi-play compact disc
player
Signal readout: Non-contact, 3-beam semi-
conductor laser pickup
D/A Converter: 1-bit D/A converter
Frequency response: 20 - 20,000 Hz
Dynamic range: 90 dB (1 kHz)
Cassette deck section
Type: Compact cassette tape
Frequency response: 50 - 14,000 Hz (Normal tape)
Motor: DC motor with electronic
governor x 1
Signal/noise ratio: 55 dB (TAPE 1, playback)
50 dB (TAPE 2, recording/
playback)
Bias and erasure system: AC
Tape speed: 4.76 cm/sec. (1-7/8 ips.)
Wow and flutter: 0.35 % (DIN 45 511)
(Except for U.K.)
Wow and flutter: 0.3 % (WRMS)
(For U.K.)
Heads: TAPE-1: Playback x 1
TAPE-2: Record/playback x 1
Erase x 1
CP-BA1500H
Speaker section
Type: 3-way type [10 cm (4")
woofer x 2 and 5 cm (2")
tweeter]
Maximum input power: 100 W
Rated input power: 50 W
Impedance: 6 ohms
Dimensions: Width; 231.5 mm (9-1/8")
Height; 330 mm (13")
Depth; 210 mm (8-1/4")
Weight: 3.1 kg (6.8 lbs.)/each
Specifications for this model are subject to change without
prior notice.
Tuner section
Frequency range: FM; 87.5 - 108 MHz
AM; 522 - 1,620 kHz
– 3 –
(B1)x4
ø3x12mm
(B1)x2
ø3x10mm
Rear
Panel
(B1)x2
ø3x10mm
Side Panel
(Right)
Side Panel
(Left)
(A1)x2
ø3x12mm
(A1)x2
ø3x12mm
Top Cabinet
Front Panel
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 off nylon bands or wire holders where they need to
be removed when disassembling the unit. After servicing
the unit, be sure to rearrange the leads where they were
before disassembling.
4. Take sufficient care on static electricity of integrated
circuits and other circuits when servicing.
CD-BA1500H
STEP REMOVAL
1 Top Cabinet 1. Screw ..................... (A1) x4 9-1
2 Side Panel 1. Screw ..................... (B1) x8 9-1
(Left/right)
3 CD Player Unit/ 1. Turn on the power supply, 9-2
CD Tray Cover
2. Screw ..................... (C1) x1
3. Hook....................... (C2) x3
4. Hook....................... (C3) x2
5. Socket .................... (C4) x3
4 Rear Panel 1. Screw ..................... (D1) x6 9-2
5 Main PWB 1. Screw ..................... (E1) x5 9-2
2. Socket .................... (E2) x6 10-2
3. Flat Cable............... (E3) x1
4. Lug Wire................. (E4) x1
5. Flat Wire................. (E5) x1
6 RDS PWB 1. Socket .................... (F2) x1 10-2
7 Power PWB 1. Socket .................... (G1) x1 10-2
8 Front Panel 1. Screw ..................... (H1) x2 10-2
9 Display PWB 1. Screw .....................
10 Tape Mechanism 1. Open the cassette holder. 10-3
11
Headphones PWB
12 Turntable 1. Hook....................... (M1) x2 10-4
13 Disc Tray 1.
14 CD Servo PWB 1. Screw ..................... (P1) x1 10-6
(Note 2) 2. Hook....................... (P2) x3
15 CD Mechanism 1. Hook....................... (R1) x2 11-1
2. Flat Wire................. (G2) x1
3. Screw ..................... (G3) x2
2. Flat Cable............... (J2) x1
2. Screw...................... (K1) x6
1. Screw ..................... (L1) x1 10-3
2. Cover ..................... (M2) x1
2.
3.
3. Socket .................... (P3) x4
2. Hook....................... (R2) x3
Note 1:
How to open the changer manually. (Fig. 9-3)
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 anticlockwise
until the cam gear rib engages with the clamp lever.
3. After that, push forward the CD slide holder.
PROCEDURE
open the disc tray, take out the
CD cover, and close. (Note 1)
(J1) x15
Turn fully the lock lever in the
arrow direction.
While holding the lock lever,rotate
the cam gear until the cam gear
rib engages with the clamp lever.
Push the slide holder backward to
engage the claw with the groove
and remove it in the direction
of the arrow. ..............
(N1) x6
(Fig. 10-1)
FIGURE
10-3
9-3
10-1
10-5
CD-BA1500H
CD-BA1500H
Figure 9-1
CD Servo PWB
(C4)x3
(C3) x1
Pull
Rear
Panel
(C1)x1
ø3x12mm
(D1)x6
ø3x12mm
Main PWB
Figure 9-2
Figure 9-3
Note 2:
1. After removing the connector for the optical pickup from the
connector, wrap the conductive aluminium foil around the
front end of the connector to protect the optical pickup from
electrostatic damage.
Note 3:
1. Be careful not to break the claw of the CD mechanism.
2. When fining back the cam gear assembly, let it lock by front
movement.
– 9 –
CD Tray Cover
1
(E1)x3
ø3x10mm
Lock Lever
(C2) x3
1
2
CD Player
Unit
(C3)x1
CD-BA1500H
Clamp Lever
(M2) x1
Turntable
(E2)x1
(G3)x1
ø3x10mm
Power PWB
(G3)x1
ø3x10mm
(E2)x1
(E3)x1
(E4)x1
Figure 10-1
(E2)x2
(J2)x1
Figure 10-2
(E1)x2
ø3x10mm
(J5)x1
Cam Gear Rib
Front Panel
(E5)x1
Headphones
PWB
Main PWB
(F2)x1
(H1)x2
ø3x10mm
RDS PWB
(M1) x2
1
Disc Tray
CD Player Unit
Figure 10-4
(N1) x3
2
Disc Tray
(N1) x3
CD Player Unit
(J1)x15
ø3x10mm
Tape
Mechanism
(K1)x6
ø3x10mm
(L1)x1
ø3x10mm
(J2)x1
Figure 10-3
Front Panel
Display PWB
Open
Cassette
Holder(Lift/Right)
Headphones PWB
– 10 –
(P2)x3
(P3) x2
(P3)x2
Figure 10-5
(P1)x1
ø3x8mm
CD Servo
PWB
Figure 10-6
Disc Tray
CD-BA1500H
CD
(R2) x3
Mechanism
(R1) x1
(R1) x1
Disc Tray
Figure 11-1
CP-BA1500H
STEP REMOVAL
1 Woofer 1. Front Panel ............ (A1) x1 11-2
2 2. Screw ..................... (A2) x8 11-3
2 Tweeter 1. Screw ..................... (B1) x2 11-3
PROCEDURE
FIGURE
(A1) x1
Driver should
be pried away
from Speaker
Box.
Speaker Box
Screw
Driver
(A2)x4
ø4x16mm
(A2)x4
ø4x16mm
Woofer
Speaker Box
Woofer
Tweeter
(B1)x2
ø3x10mm
Figure 11-3
Figure 11-2
– 11 –
CD-BA1500H
REMOVING AND REINSTALLING THE MAIN PARTS
TAPE MECHANISM SECTION
Perform steps 1 to 5, 8 and 10 of the disassembly method to
remove the tape mechanism.
How to remove the record/playback and erase
heads (Tape 2) (See Fig. 12-1)
1. Carefully remove the record/playback head and erase head
screws (A1) x 2 pcs.
How to remove the playback head (Tape 1)
(See Fig. 12-2)
1. Carefully remove the playback head screws (B1) x 2 pcs.
Erase Head
(A1)x2
Ø2 x 9mm
TAPE2
Figure 12-1
Record/Playback
Head
How to remove the pinch roller (Tape 1/2)
(See Fig. 12-3)
1. Carefully bend the pinch roller pawl in the direction of the
arrow <A>, and remove the pinch roller (C1) x 1 pc.,
upwards.
Note:
When installing the pinch roller, pay attention to the spring
mounting position.
How to remove the belt (Tape 1) (See Fig. 12-4)
1. Remove the main belt (D1) x 1 pc., from the motor side.
2. Remove the FF/REW belt (D2) x 1 pc.
How to remove the belt (Tape 2) (See Fig. 12-4)
1. Remove the main belt (E1) x 1 pc., from the motor side.
2. Remove the FF/REW belt (E2) x 1 pc.
How to remove the motor (See Fig. 12-5)
1. Remove the screws (F1) x 2 pcs., to remove the motor.
(B1)x2
Ø2 x 9mm
TAPE1
Figure 12-2
Playback
Head
(F1) x2
Ø 2.6 x 5mm
Motor
– 12 –
TAPE2
Pinch Roller
(C1)x1
FF/REW
Belt
(E2)x1
Main Belt
(E1)x1
Figure 12-3
Main Belt
(D1)x1
Figure 12-4Figure 12-5
Motor
<A>
TAPE2
Main Belt
(E1)x1
Motor
TAPE1
Main Belt
(D1)x1
TAPE1
FF/REW
Belt
(D2)x1
CD MECHANISM SECTION
TAPE MECHANISM
Motor
Variable Resistor in motor
Perform steps 1, 2, 3, 12, 13, 14 and 15 of the disassembly
method to remove the CD mechanism.
How to remove the T/T Up/Down motor
(See Fig. 13-1)
1. Bend the hooks (A1) x 5 pcs., to remove the T/T Up/Down
motor.
2. Remove the Drive belt (A2) x 1 pc.
Disc Tray
(A1)x2
CD-BA1500H
T/T Up/Down Motor
(A1)x3
How to remove the pickup (See Fig. 13-2)
1. Remove the screws (B1) x 2 pcs., to remove the shaft (B2).
2. Remove the stop washer (B3) x 1 pc., to remove the gear
(B4).
3. Remove the pickup.
Note
After removing the connector for the optical pickup from the
connector, wrap the conductive aluminium foil around the
front end of connector to protect the optical pickup from
electrostatic damage.
(B1) x2
ø2.6 x6mm
Shaft
(B2) x1
Figure 13-1
Stop Washer
(B3) x1
Gear
(B4) x1
Pulley
Motor
Drive Belt
(A2) x1
Pickup
CD Mechanism
ADJUSTMENT
MECHANISM SECTION
• Driving Force Check
Torque Meter
Play: TW-2111 Tape 1: Over 80 g
• Torque Check
Torque Meter
Tape 1
Play: TW-2111 30 to 80 g. cm 30 to 80 g.cm
Fast forward: TW-2231 — 70 to 180 g.cm
Rewind: TW-2231 — 70 to 180 g.cm
Specified Value
Tape 2: Over 80 g
Specified Value
Tape 2
Figure 13-2
• Tape Speed
Test Tape
Normal MTT-111 Variable 3,000 ± Speaker
speed Resistor in 30 Hz terminal
– 13 –
Adjusting
Point
motor. (Load
Figure 13-3
Specified
Value
Instrument
Connection
resistance:
6 ohms)
CD-BA1500H
TUNER SECTION
fL: Low-range frequency
fH: High-renge frequency
• AM IF/RF
Signal generator: 400 Hz, 30%, AM modulated
Test Stage Frequency
AM IF 450 kHz 1,620 kHz T351 *1
AM Band — 522 kHz (fL): T306 *2
Coverage 1.1 ± 0.1 V
AM Tracking 990 kHz 990 kHz (fL): T303 *1
*1. Input: Antenna, Output: TP302
*2. Input: Antenna, Output: TP301
Frequency
Display
Setting/
Adjusting
Parts
R381
TP301
Instrument
Connection
CNP302
AM LOOP
SO301
ANTENNA
1
FE301
T351
AM IF
• FM
Notes:
1: Description of the "FM IF Adjustment" is not carried on this
Manual. It is because the IF coil in the FM front end section
has been best adjusted in the factory so that its further
adjustment is not needed at the field. When replacing the
FM front end assembly, no adjustment is needed either.
2: The parts in the FM front end section are prepared in a
complete unit, so you can't obtain each part individually
MAIN PWB
T303
AM
TRACKING fL
T306
AM BAND
COVERAGE fL
TP302
R357
Figure 14-1 ADJUSTMENT POINT
CD SECTION
• Adjustment
Since this CD system incorporates the following automatic
adjustment functions, readjustment is not needed when
replacing the pickup. Therefore, different PWBs and pickups
can be combined freely.
Each time a disc is changed, these adjustments are
performed automatically. Therefore, playback of each disc
can be performed under optimum conditions.
Items adjusted automatically
(1) Offset adjustment (The offset voltage between the head
amplifier output and the VREF reference voltage is
compensated inside the IC.)
* Focus offset adjustment
* Tracking offset adjustment
(2) Tracking balance adjustment (waveform drawing 12-2
EFBL)
(3) Gain adjustment (The gain is compensated inside the IC
so that the loop gain at the gain crossover frequency will
be 0dB.)
* Focus gain adjustment
* Tracking gain adjustment
CD ERROR CODE DESCRIPTION
Error State Code
0001 Cannot detect Pickup-in SW
0002 DSP access error
0101 Open/Close SW Low → High not functioning
0103 Open/Close SW High → Low not functioning
0201 Open/Close SW Low → High not functioning
0203 Open/Close SW High → Low not functioning
0302 Pickup-in SW is not detected
0306 During Disc 1 search, Open/Close SW or Clamp SW
0307 Clamp SW Low → High not functioning
0308 Clamp SW High → Low not functioning
[Servo System Error]
[Error during close operation]
[Error during open operation]
[Error during skip operation]
or Disc SW do not change to low.
T
T
1
3
Stopped
FDO
TE
CH1=500mV
DC 10:1
CH2=200mV
DC 10:1
CH3=1V
DC 10:1
1999/04/05 20:26:47
500ms/div
(500ms/div)
NORM:20kS/s
– 14 –
EFBL
2
Smoothing : ON CH1 : 0.000V
BW : FULL
CH2 : 0.000V
CH3 : 0.00V
CH4 : 0.00V
Figure 14-2
=Record Length=
Main : 100K
Zoom : 2k
CH2
v/DIV
200mV
=Trigger==Filter= =Offset=
Mode : SINGLE
Type : EDGE CH1
Delay : 0.0ns
Hold off : 0.2us
TEST MODE
·Setting the test mode
Any one of test mode can be set by pressing several keys as fallows.
<X-BASS> + <CD> + <POWER> TEST:CD operation test
Function:-CD test mode.
-Enter test mode.
C D T E S T
OPEN/CLOSE operation is using manual.
<< >>, << >> buttons make pick's slide possible.
CD-BA1500H
IL isn't done
<<PLAY>> key input.
Do TOC IL. Do normal play
When these following key is input
into PLAY key, track number can
be appoint directly
<< 1>> key: Track 4
<< 2>> key: Track 9
<< 3>> key: Track 15
<<STOP>> key input.
STOP
VOL — Last memory
BAL — CENTER
P.GEQ — FLAT
X-BASS — OFF
<<MEMORY>> key input.
Laser ON.
<<MEMORY>> key input.
Tracking OFF play at that
specific point.
<<MEMORY>> key input.
Tracking ON play at that
specific point.
<<STOP>> key input.
STOP
Sliding the PICKUP with
<< >>, << >> button
must only be in STOP mode.
To cancel : Power OFF
– 15 –
CD-BA1500H
Yes
Yes
Comparing freg.
same or not?
Between current receiving
frequency and (already)
previously memorized
frequency.
Hold down the ASPM button for 3 more second.
No operate. After displayed “END”. Return to
previous station.
“ASPM” blinks in the display.
Begin to scan start 87.50 → 108.00 MHz
Preset CH memory full over?
SD (TUNE) DET out OK?
Yes
No
No
No
No
No
If count 1st OK?
Yes
If count 2nd OK?
Yes
RDS signal or not? PI—identify
Yes
Comparing PI cord
same or not?
between current receiving
PI and before PI which is
already memorized by
ASPM on this time.
Yes
Yes
No
Comparing freg.
same or not?
between current receiving
frequency and (already)
previouslymemorized
frequency.
No
Memorized to the lowest vacant
preset channel.
No
Memorized to the lowest vacant
preset channel.
Compare the field
strength of current receiving
signal.
Is receiving signal stronger than
signal which has same PI cord
and is already memorized to
preset memory ahead of this
receiving time?
No effect
No effect
No effect
Effect
Pass
No effect
Pass
No effect
Pass
No effect
Pass
No effect
Displayed the TTL quantity of memorized
stations by ASPM operation on this time.
And return to the previous
receiving freq. automatically.
Begin to ASPM SCAN from the next
CH-SPAN again.
Repeat and continue with same format
ASPM operation untill 108 MHz.
After reached 108 MHz, displayed the TTL
quantity of memorized stations.
And return to the previous receiving freq.
automatically.
Preset CH memory become full over?
Yes
No
ASPM, summary operation
– 16 –
CD-BA1500H
• ASPM SCAN: 87.50MHz → 108.00 MHz.
• Only RDS signal is memorized by ASPM because RDS signal has PI code and is suitable and convenient for ASPM operation.
ASPM
Comparing field strength, only one strongest RDS station is memorized of all stations (repeater relay stations) that have same
PI code.
Each PI has AF’S list by individually.
Same PI code — freq: different
(AF’S)
PS: same
PTY: same
[For example] Pickup and memorized to preset CH.
f 1
f 2 f 3
P 1 (PI code)
PS 1 (Station Name)
Select signals (f1, f5, f7, f10) are memorized in the preset memory by ASPM.
• If tentative - ASPM operation is repeated intentionally, never memorized (over write) at the same frequecy.
1st time ASPM → strongest stations of each PI are memorized.
ASPM is not only very usefull for PTY search, but also EON operation.
2nd time ASPM → 2nd strong stations of each PI are memorized and so on.
PTY search function is equal to FM band search function as a result.
f 5 f 4
P 2
PS 2
Exa: P1 has f1, f2, f3 (same PTY).
P2 has f4, f5 (same PTY).
---
f 6
f 7 f 8
P 3
PS 3
---
f 9 f 10
f 11 f 12 f13
P 4
PS 4
1. Introduction of RDS for CD-BA1500H.
CD-BA1500H RDS function is equal to adding EON feature to the current CD-C75H RDS.
EON feature is EON—PTY and EON—TI.
Although PTY and TI indicators are separated, PTY contains TI in the PTY items (software) like current PTY search items.
NEWS, AFFAIRS, INFO, ALARM, TI (TTL 17 kinds)
↑
EON—PTY EON—TI
Can select and stand-by Can select and stand-by
EON—PTY and EON—TI are basically stand-by → receive the desired program of ON station.
2. The difference point from current CD-C75H RDS. (CD-C75H — CD-BA1500H)
1. PTY item: added TA. (TTL 18 kind.)
2. Each “TP”, “TA” ind. light up or go out individually.
“TA” ind. doesn’t light up on current model, CD-C75H due to none EON—TI.
3. Added 3 indicators(in FL) due to adding EON feature.
EON: Lights up only during receiving EON data (14A).
TI: During EON-TI stand-by → Light up
During receiving ON station. → blink.
PTY: During EON-PTY stand-by → Light up
During receiving ON station. → blink.
4. No adjust type (None adjusting circuit.)
5. Added EON button.
6. Need to change RDS logo due to the addition of EON feature.
7. Added EON—TI, EON—PTY function.
3. Summary of CD-BA1500H RDS—EON operation
EON—PTY: Select and set the desired “PTY” → stand-by → switch to ON (other networ k) Station at the star t of desired PTY
automatically → stay and listen to PTY of ON station → s witch back to TN (This net) station automatically at the end
of PTY (ON) i.e. after changing to another PTY (except AFFAIRS) or cancelling to receive PTY of ON station
midway.
EON—TI: Select and set the “TI” → stand-by → switch to ON station at the start of traffic announcement automatically → stay
and listen to TA of ON station → switch bac k to TN station automatically at the end of TA (ON).
ie after TA (ON) is over or cancelled to receive TA of ON station midway.
When switching TN → ON station.
In case of exist 2 more stations having the desired (specified) “PTY” or “TI”, the receiver will select and switch to ON station
comparing field strength at the same time. But when the frequency of ON station exists in the preset-memory, then receiver
switches straight to that ON station (CH), without comparing field strength so can make a quic k s witching from TN—ON station.
Preset memory takes priority of switching TN—ON station.
Therefore ASPM is usefull not only for PTY search b ut also for rapid EON switching.
Anyway CD-BA1500H EON is basically stand-by and receiving method, along with the Guidelines for EON implementation.
↑
– 17 –
CD-BA1500H
EON summary notice for reference
1. EON-TI/PTY EON stand-by can be set, only when EON ind. lights up.
While EON ind. goes out (NO EON STATION), EON stand-by can't be set.
If the EON button is pressed, then “NO EON” is indication the display.
2. EON-TI/PTY Even if switch back ON → TN station continue to keep EON stand-by.
3. EON-TI Don’t switch TN → ON during TN broadcast TA. (same item)
4. EON-TI/PTY
5. EON-TI/PTY EON stand-by is perfectly cancelled (cleared) by pressing EON button 2 times during stand-by or power OFF
6. EON-TI/PTY After setting EON stand-by, stand-by items can be confirmed by pressing EON button one time.
7. EON-TI/PTY EON button function: • EON setting
8. EON-TI/PTY After setting EON-TI and EON-PTY stand-by, if when EON data is not transmitted, EON ind goes out and
9. EON-TI EON-TI stand-by can't be set. When TP=0,TA=0 (TN) even if EON ind. lights up and the EON button is
10. EON-PTY Don’t switch TN → ON during TN broadcast same specified PTY. (same item of PTY)
11. EON-TI/PTY Switch TN→ON → TN station one cycle.
12. EON-TI/PTY After switch TN → ON station. When ON station is NO RDS, NO signal, TA=OFF or different PTY items.
13. During receive ON station. when ON station become to be NO RDS, NO signal, TA=ON to OFF or different
14. EON-TI/PTY Switch TN → ON in case of 2 more stations exist, comparing field strength and switch to the strongest station,
15. Even if switch TN → ON preset memory straight, that ON station is very weak signal, then search another
16. EON-TI/PTY No linkage volume, power ON/OFF, and switch function.
EON can be cancelled during receiving ON station by pressing EON button if necessary and switch back ON→TN.
or Tun Up/Down or change band or recall pre-set CH.
• Confirm stand-by items
• Cancel (ON→TN)
• EON clear cancel (2 times)
EON stand-by is automatically cancelled display “NO EON”.
pressed then “NO TI” is indication the display.
Never switch TN → ON1 → ON2 → Other net to other net station.
The receiver switch back ON → TN displaying “NO READY”.
PTY item, The receiver switch back ON → TN.
if these signals are same strength, switch to the first previous station.
If same frequency as AF'Sexists in the preset memory, then switch TN → ON (preset memory station) straight.
In case of exist 2 more preset memories of AF’S,then switch to the preset CH which taken in EON DATA
first, also in this case no concern to field strength.
AF'S (ON) station comparing field strength and switch to the strongest station as a result. Of all atations of
AF'S are very weak or no good condition, then, switch back ON → TN automatically display "NO READY".
Traffic Programme code
(TP)
OFF OFF This programme does not carry traffic announcements nor does
OFF ON This programmecarries EON information about another
ON OFF This programme carries traffic announcements but none are
ON ON A traffic announcement is being broadcast on this programme
Traffic Announcement code
(TA)
Applications
it refer, via EON, to a programme that does.
programme which gives traffic information.
being broadcast at present and may also carry EON information
about other traffic announcements.
at present.
– 18 –
CD-BA1500H
RDS (Radio Data System) OPERATION
RDS is a broadcasting service which a growing number
of FM stations are now providing. It allows these FM
stations to send additional signals along with their regu-
lar programme signals. For example, the stations send
their station names, and information about what type of
programme they broadcast, such as sports or music,
etc.
When tuned to an FM station which provide the RDS
service, the RDS will appear, the station frequency (and
then the station name if sent) is displayed.
The TP (Traffic Programme) will appear on the display
when the received broadcast carries traffic an-
nouncements, and the TA (Traffic Announcement) will
appear whilst a traffic announcement is being received.
EON will appear whilst the EON (Enhanced Other Net-
works information) data is being broadcast.
The PTYI (Dynamic PTY Indicator) will appear whilst the
Dynamic PTY station is being received.
Note:
When the TP and TA appear at the same time, an an-
nouncement is being made.
When only the TA appears, an announcement is not
being made.
■
Information Provided by RDS
With the CD-BA1500H, you can display three types of RDS ser-
vice. To show them in the display, press the DISPLAY MODE
button.
Each time you press the DISPLAY MODE button, the display will
change to show the following information.
PS (Programme Service):
Station names commonly
known will be displayed.
"NO PS" appears if no signal
is being received.
PTY (Programme Type): Programme type will be dis-
played.
"NO PTY" appears if no sig-
nal is being received.
RT (Radio Text): Radio text will be displayed.
"NO RT" appears if no signal
is being received.
Station Frequency: Station frequencies.
DISPLAY
MODE
(Continued)
Descriptions of the PTY (Programme Type) codes, TP (Traffic Programme) and TA (Traffic Announcement)
With the CD-BA1500H, you can search for and receive the following PTY, TP and TA signals.
NEWS:
Short accounts of facts, events and
publicly expressed views, reportage
and actuality.
AFFAIRS:
Topical programme expanding or en-
larging upon the news, generally in dif-
ferent presentation style or concept,
including debate, or analysis.
INFO:
Programmes whose purpose is to im-
part advice in the widest sense.
SPORT:
Programme concerned with any aspect
of sport.
EDUCATE:
Programme intended primarily to edu-
cate, of which the formal element is
fundamental.
DRAMA:
All radio plays and serials.
CULTURE:
Programmes concerned with any as-
pect of national or regional culture, in-
cluding language, theatre, etc.
SCIENCE:
Programmes about the natural scien-
ces and technology.
VARIED:
Used for mainly speech-based pro-
grammes usually of light-entertainment
nature, not covered by other ca-
tegories. Examples include: quizzes.
panel games, personality interviews.
POP M:
Commercial music, which would gener-
ally be considered to be of current
popular appeal, often featuring in cur-
rent or recent record sales charts.
ROCK M:
Contemporary modern music, usually
written and performed by young musi-
cians.
EASY M:
Current contemporary music con-
sidered to be "easy-listening", as op-
posed to Pop, Rock or Classical, or one
of the specialized music styles, Jazz,
Folk or Country. Music in this category
is often but not always, vocal, and
usually of short duration.
LIGHT M:
Classical Musical for general, rather
than specialist appreciation. Examples
of music in this category are instrumen-
tal music, and vocal or choral works.
CLASSICS:
Performances of major orchestral
works, symphonies, chamber music
etc., and including Grand Opera.
OTHER M:
Musical styles not fitting into any of the
other categories. Particularly used for
specialist music of which Rhythm &
Blues and Reggae are examples.
WEATHER:
Weather reports and forecasts and Me-
teorological information.
FINANCE:
Stock Market reports, commerce, trading etc.
CHILDREN:
For programmes targeted at a young audience,
primarily for entertainment and interest, rather
than where the objective is to educate.
SOCIAL:
Programmes about people and things that in-
fluence them individually or in groups. Includes:
sociology, history, geography, psychology and
society.
RELIGION:
Any aspect of beliefs and faiths, involving a God
or Gods, the nature of existence and ethics.
PHONE IN:
Involving members of the public expressing their
views either by phone or at a public forum.
TRAVEL:
Features and programmes concerned with travel
to near and far destinations, package tours and
travel ideas and opportunities. Not for use for
Announcements about problems, delays, or
roadworks affecting immediate travel where
TP/TA should be used.
LEISURE:
Programmes concerned with recreational acti-
vities in which the listener might participate.
Examples include, Gardening, Fishing. Antique
collecting, Cooking, Food & Wine etc.
JAZZ:
Polyphonic, syncopated music characterised by
improvisation.
COUNTRY:
Songs which originate from, or continue the mu-
sical tradition of the American Southern States.
Characterised by a straightforward melody and
narrative story line.
NATION M:
Current Popular Music of the Nation or Region
in that country's language, as opposed to Inter-
national `Pop' which is usually US or UK inspired
and in English.
OLDIES:
Music from the so-called "golden age" of popular
music.
FOLK M:
Music which has its roots in the musical culture
of a particular nation, usually played on acoustic
instruments. The narrative or story may be
based on historical events or people.
DOCUMENT:
Programme concerned with factual matters,
presented in an investigative style.
TEST:
Broadcast when testing emergency broadcast
equipment or receivers.
ALARM !:
Emergency announcement made under excep-
tional circumstances to give warning of events
causing danger of a general nature.
NONE:
No programme type (receive only).
TP:
Broadcasts which carry traffic announcements.
TA:
Traffic announcements are being broadcast at
present.
Note:
● When the unit is in the EON stand-by mode and a programme
is selected, the unit will display "TI" instead of "TA".
– 19 –
CD-BA1500H
NOTES ON SCHEMATIC DIAGRAM
• Resistor:
To differentiate the units of resistors, such symbol as K and
M are used: the symbol K means 1000 ohm and the symbol
M means 1000 kohm and the resistor without any symbol is
ohm-type resistor. Besides, the one with “Fusible” is a fuse
type.
• Capacitor:
To indicate the unit of capacitor, a symbol P is used: this
symbol P means micro-micro-farad and the unit of the
capacitor without such a symbol is microfarad. As to
electrolytic capacitor, the expression “capacitance/withstand
voltage” is used.
(CH), (TH), (RH), (UJ): Temperature compensation
(ML): Mylar type
(P.P.): Polypropylene type
• Schematic diagram and Wiring Side of P.W.Board for this
model are subject to change for improvement without prior
notice.
• The indicated voltage in each section is the one measured
by Digital Multimeter between such a section and the chassis with no signal given.
1. In the tuner section,
( ) indicates AM
< > indicates FM stereo
2. In the main section, a tape is being played back.
3. In the deck section, a tape is being played back.
( ) indicates the record state.
4. In the power section, a tape is being played back.
5. In the CD section, the CD is stopped.
• Parts marked with “ ” ( ) are important for
maintaining the safety of the set. Be sure to replace these
parts with specified ones for maintaining the safety and
performance of the set.
REF. NO DESCRIPTION POSITION POSITION
SW1 OPEN/CLOSE ON—OFF
SW2 CLAMP ON—OFF
SW3 DISC NUMBER ON—OFF
SW4 PICKUP IN ON—OFF
SW601 POWER ON—OFF
SW602 CLOCK ON—OFF
SW603 TIMER/SLEEP ON— OFF
SW604 PTY TI/SEARCH ON— OFF
SW605 EON ON—OFF
SW606 ASPM ON—OFF
SW607 DISPLAY MODE ON—OFF
SW608 STATION ON—OFF
SW609 DISC SKIP ON—OFF
SW610 OPEN/CLOSE ON—OFF
SW611 DIMMER ON—OFF
SW612 X-BASS/DEMO ON—OFF
REF. NO DESCRIPTION
SW613 EQUALIZER ON—OFF
SW614 VOLUME UP ON—OFF
SW615 VOLUME DOWN ON—OFF
SW616 CD ON—OFF
SW617 TAPE ON—OFF
SW618 TUNING /TIME DOWN ON—OFF
SW619 MEMORY/SET ON—OFF
SW620 REWIND ON—OFF
SW621 FORWARD ON—OFF
SW622 PLAY/REPEAT ON—OFF
SW623 STOP ON—OFF
SW625 REC/PAUSE ON—OFF
SW626 TUNING/TIME UP ON—OFF
SW627 VIDEO/AUX ON—OFF
SW628 TUNER (BAND) ON—OFF
FRONT
VIEW
FRONT
FRONT
VIEW
VIEW
E C B
(S) (G) (D)
(1) (2) (3)
KTA1266 GR
KRC102 M
KRC104 M
KTA1271 Y
KTA1274 Y
2SC1845 F
KTA1273 Y
KTC3203 Y
KTC3199 GR
KRC107 M
2SC380 O
BCE
KTC2026
Figure 20 TYPES OF TRANSISTOR AND LED
– 20 –
4204SRT7
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
M
M
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
VOLTAGR
+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 IC401)
R-CH
L-CH
AGND
DGND
+5V(+B3)
RCHO
RVSS
LVSS
LCHO
IC2
LC78641E
SERVO/SIGNAL
CONTROL
-
+
M
SW1
OPEN/
CLOSE
XL1
16.9344MHz
6
5
43
3
2
5
4
1
12
34
7
8
217
89
10
12
4
3
5
SW2
CLAMP
SW3
DISC
NUMBER
M3 T/T
UP/DOWN
MOTOR
6
12
4
3
56
12
4
3
56
75
76
45 46
47 48 32 31
30
65
66
67
68
69
70
71
72
CE
CL
DI
DO
INT
WRQ
RES
DEF
52
51
XOUT
XIN
735183644 49 50 7 14 15 16
23
24
25
26
33
3
13
19
40
64
74
17
18 19 20
21
22
30
23
11
9
1
45671516 26 27
2 1725 4142 3839
35
29
22
21
14
8
40
18
24
23
28
SW4
PICKUP IN
+3.3V
CNS99
BI99
CNP5
IC99
TOTX178A
OPTICAL FIBER
DATA LINK
12
3
12
3
12
3
37
DOUT
12
3
CD-BA1500H
Figure 21 BLOCK DIAGRAM (1/3)
– 21 –
CD-BA1500H
AM LOOP ANT
TAPE 1
PLAYBACK HEAD
TAPE 2
REC PLAYBACK
HEAD
ERASE
HEAD
SO301
ANTENNA
TERMINAL
L-CH
R-CH
P.B.
L-CH
R-CH
AC BIAS
1
2
L341
BALUN
23
2
REC
8
FM FRONT END
CNP302
1
2
21
20
22
DI
CL
CE
IN
MPX
VSSA
VDDA
3
4
SWITCHING
Q104~
Q107
BIAS
OSC
FE301
4
2
3
AM TRACKING
T303
15 14
DO
ICT21
LC72720
RDS DECORDER
FROM
CD SECTION
CNP11
L(T1)
R(T1)
L(T2)
R(T2)
L NF
R NF
POP
REDUCE
L REC
R REC
REF
SWITCHING
Q108
Q109
Q101
SWITCHING
Q114
L104
67
T306
VSSD
VDDD
1
24
2
23
3
22
T1/T2
6
REC
9
16
14
NOR/
12
HIGH
15
SWITCHING
1
5
VCC
13
12
CNS402
Q103
CF301
1
AM BAND
COVERAGE
XIN
XOUT
1
2
3
XT21
4.332MHz
R
L
3
+B2
FM
+B
Q360
SWITCHING
FM OSC
VT
4
5
+B2
13
P.B
L
4
PB
R
21
5
20
H/N
L REC
7
R
18
L NF
8
R NF
17
ALC
10
T1/T2
19
PLAYBACK AND RECORD
/PLAYBACK AMP.
Q102
SWITCHING
Q112
L103
Q113
Q301
20
FM
IC101
AN7345K
BIAS
1
CF302
3
1
FM/AM IF MPX.
23
AM OSC IN
X352
4.5MHZ
14
OSC
SO401
VIDEO/AUX
L
R
1
T351
AM IF
2
AM MIX
IC303
LA1832S
24
21
AM RF IN
22
1615
IC302
LC72131
PLL(TUNER)
FM/AM
9
7
L
AUX
R
L
TAPE
R
L
TUNER
R
L
CD
R
CF351
3
CF352
4
7
STEREO
MO/ST
10
GND
FM/AM
CE
3
OUT
18
985
FM
VCC
DET
MPXIN
16
L354
LOW PASS
FILTER
CL
DI
4
5
VDD
21
@
DO
6
AM IF
11
9
16
10
15
11
IC401
LC75341
AUDIO PROCESSOR
14
12
13
8
7
17
18
17
VCO
17
+B2
23
456KHz
MO/ST
FM/AM
12
3
MUTING
X351
13
L
R
Q110
Q111
+B2
+5.1V
14
15
DI
1
CE
2
CL
24
21
R
L
4
Q401
Q402
REC/PLAY
SYSTEM
MUTE
T1/T2
BIAS
Figure 22 BLOCK DIAGRAM (2/3)
– 22 –
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