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SERVICE MANUAL
CD-P1450
COMPACT DISC PLAYER
CONTENTS
1 SPECIFICATIONS 2
2 EXPLODED VIEWS AND PARTS LIST 3
3 PC BOARDS AND PARTS LIST 8
4 INCLUDED ACCESSORIES 13
NOTES
PC boards shown are viewed from parts side.
The parts with no reference number or no parts number in the
exploded views are not supplied.
As regards the resistors and capacitors, refer to the circuit diagrams
contained in this manual.
£ Parts marked with this sign are safety critical components. They
must be replaced with identical components - refer to the appropriate
parts list and ensure exact replacement.
Parts of [ ] mark can be used only with the version designated.
Effective : April, 2002 S-0060A
1 SPECIFICATIONS
CD PLAYER GENERAL
Pickup: Power Requirements:
3-beam, semiconductor laser 120 V AC, 60Hz (U.S.A./Canada Model)
D/A Converter: 230 V AC, 50Hz (Europe/U.K. Model)
1 bit DAC 240 V AC, 50Hz (New Zealand Model)
Digital filter: Power Consumption:
8-times oversampling 12 Watts (AC)
Frequency Response: Dimensions (W x H x D):
20 Hz ~ 20 kHz ±1.5dB 435 x 104 x 290mm
Total Harmonic Distortion: Net Weight:
< 0.02 % (1 kHz) 3.6 kg
Signal-to-Noise Ratio (S/N): Standard Accessories:
>85 dB (1 kHz) Wireless Remote Control Unit (RC-681)
Channel Separation: RCA pin-plug cord
>80 dB (1 kHz) Battery (SUM-3, "AA", "R6" type) x 2
Output: (Europe/U.K./New Zealand Model)
Analog; 2.0 Vrms (RCA)
Digital; COAXIAL
Wow and Flutter: · Design and specifications are subject to change without notice.
Below measurable limit
SAFETY INFORMATION
This product has been designed and manufactured according to FDA
regulations "title 21, CFR, chapter 1, subchapter J, based on the Radiation 1 For U.S.A.
Control for Health and Safety Act of 1968", and is classified as a class 1
laser product. There is no hazardous invisible laser radiation during
operation because invisible laser radiation emitted inside of this product
is completely confined in the protective housings.
The label required in this regulation is shown 1.
OCAUTION
USE OF CONTROLS OR ADJUSTMENT OR PERFORMANCE OF
PROCEDURES OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN
HAZARDOUS RADIATION EXPOSURE.
Optical pickup:
TYPE : SFP101NXR
MANUFACTURER : Sanyo Electric Co., Ltd.
LASER OUTPUT : Continuous Wave max. 5mW
WAVE LENGTH : 765-815nm
2
2 EXPLODED VIEWS AND PARTS LIST
EXPLODED VIEW-1
51SC2
51SC2
51SC2
51SC2
45-1
5142
5108
5104 5116
51SB3
5140
5118
45-4
3
EXPLODED VIEW-1
£
£
£
£
£
4
EXPLODED VIEW-1
5
EXPLODED VIEW-2
6
EXPLODED VIEW-2 (CD93F8NDT)
7
3 PC BOARDS AND PARTS LIST
MAIN PCB
8
DISPLAY PCB
KEY SW PCB
HP PCB
PITCH CON PCB
9
POWER PCB
10
MAIN PCB ASSY DISPLAY PCB ASSY
£
£
£
£
KEY SW PCB ASSY
£
£
PITCH CON PCB ASSY
£
£
£
£
H.P. PCB ASSY
£
11
POWER PCB ASSY
£
£
£
£
£
£
£
£
£
£
12
4 INCLUDED ACCESSORIES
INCLUDED ACCESSORIES
13
SCHEMATIC DIAGRAM CD-P1450 Main Circuit
1 2 3 4 5 6 7 8
S02 OP/CL
DOUT
REM
GND
GND
-24V
VDD
CLK
STB
DIN
PH5 CN101
R403 100K
F
F
CL SW
1 1
COM C401
2 2 IC401A
OP SW CN104 10/16 C403
8
10
11
3 3 R401 0 NJM4556
1
2
3
4
5
6
7
8
9
1
TM+ PH11 3 220/16
4 4 R133 R409 33
TM- 1
+
+
A +
5 5
PH5
27K
2
2
11
10
R134
9
8
7
6
5
4
3
2
1
4
M03 C412 P401
7.5K 50K-A R405 10K
TRAY MOTOR TO HEADPHONE 100/10
X301
A-MUTE
P40/KR0
P41/KR1
P42/KR2
P43/KR3
P44/KR4
P45/KR5
P46/KR6
P47/KR7
P11
P12
+
5.00MHz CN106 CN401 R407 5.6K
- PH4
R126 100K
R127 100K
R128 100K
3
PH4
R130 10K R404 100K
12 44
NC P13 RCH 1 1
10K 13 43 C402
MECHA CD93F8NDT R131 IC L-PITCH LCH 2 2 IC401B
14 42 R402 0 10/16 C404
X2 L-CUE +6V 3 3
14
13
12
11
10
+ C141 NJM4556
9
8
7
6
5
4
3
2
1
1
15 41 5 220/16
X1 TM- GND 4 4 R410 33
220/10 16 40 7 JK401
+
+
VSS0 IC103 TM+ -6V 5 5
17 39 6 PHONEJACK STEREO
VDD0 VSS1
SD OUT+
SD OUT-
MD OUT+
PREVcc 8V
MUTE1 LOW
SD IN
LO R IN
MD IN
LO F IN
MD OUT-
LO R OUT
LO F OUT
MUTE2 LOW POWVcc 5V
LO V CON
18 UPD789026 38 2
RESET VDD1
19 37 C405 C406
R140 PUIN SW NC P401
+ PH6 CN102 20 36 1000P 1000P
18K OPEN SW DIN 50K-A
SP+ 21 35
1 1 R110 UP SW DOUT +
M01 SP- IC102 22 34
2 2 P-CON CLK R406 10K C410
SM+ BA5813FM 4.7K
POWVcc 5V
3
3 3 1/50
REMOCON
SM- C407
VBG OUT