Sony XR-L240 User manual

SERVICE MANUAL
FM/MW/LW CASSETTE CAR STEREO
AEP Model
UK Model
SPECIFICATIONS
XR-L240
Ver 1.0 2001.10
9-873-349-01 Sony Corporation
2001J0500-1 e Vehicle Company
C2001.10 Published by Sony Engineering Corporation
Model Name Using Similar Mechanism NEW
Tape Transport Mechanism Type MG-36SZ12-32
Cassette player section
Tape track 4-track 2-channel stereo
Wow and flutter 0.13 % (WRMS
Frequency response 30 – 15,000 Hz
Signal-to-noise ratio 55 dB
Tuner section
FM
Tuning range 87.5 – 108.0 MHz
Aerial terminal External aerial connector
Intermediate frequency 10.7 MHz
Usable sensitivity 11 dBf
Selectivity 75 dB at 400 kHz
Signal-to-noise ratio 62 dB (stereo ,
68 dB (mono
Harmonic distortion at 1 kHz
0.7 % (stereo ,
0.5 % (mono
Separation 33 dB at 1 kHz
Frequency response 30 – 15,000 Hz
MW/LW
Tuning range MW: 531 – 1,602 kHz
LW: 153 – 279 kHz
Aerial terminal External aerial connector
Intermediate frequency 10.7 MHz/450 kHz
Sensitivity MW: 30 µV
LW: 50 µV
Power amplifier section
Outputs Speaker outputs
(sure seal connectors
Speaker impedance 4 – 8 ohms
Maximum power output 45 W × 4 (at 4 ohms
General
Outputs Power aerial relay control
lead
Tone controls Bass ±9 dB at 100 Hz
Treble ±9 dB at 10 kHz
Power requirements 12 V DC car battery
(negative earth
Dimensions Approx. 178 × 50 × 178 mm
(w/h/d
Mounting dimensions Approx. 182 × 53 × 161 mm
(w/h/d
Mass Approx. 1.2 kg
Supplied accessories Parts for installation and
connections (1 set
Front panel case (1
Design and specifications are subject to change
without notice.

XR-L240
1919
R27
ECB
Q741
C741
R740
R809
R808
R807
R806
R811
R651
R810
BCE
Q652
BCE
Q651
BCE
Q650
C81
IC2
3
4
2
1
ECB
Q732
ECB
Q731
C731
R805
R732
R81
C733
R11
R608
ECB
Q733
ECB
Q734
E
C
B
Q730
R700
R705
ECB
Q702
ECB
Q704
ECB
Q750
C750
R753
R751R752
D750
KA
C4
C3
R9
R8
R10
C1 C2
R4
R3
C5
C21
C22
R22
R23
C82
R644
BCE
Q640
BCE
Q720
BCE
Q721
D720
A
K
R643
R642
R641
R851
R720
C721
R850
ECB
Q725
BCE
Q291
BCE
Q292
R28
R29
R30
R31
C500
C465
C290
R290
R635
C50
C504 R502
R620
R621
R500
ECB
Q621
C621
C501
C467
C464
C466
BCE
Q620
R503
C443
C442
R452R451
BCE
Q451
ECB
Q452
R460
R456
C458C456
R459
R455
C454
C460
R461
R457
R458
R454
BCE
Q453
ECB
Q450
R450
R453
C440
C441
C415
C414
R411
R410
C413
C411
C164
C401
C425
R421
R420
C424
C423
C421
C403
R401
BCE
Q151
ECB
Q150
C51 C52
R41
R62
R65
R61
R69
R1
C8
R73
R70
R71
R72
R68
C201
R12
C202
R202
R201
R200
C200
C203
R203
C205
C214
C213
C211
C209
ECB
Q250
C255
R254
D251
KA
D252
KA
C257
C258
R257
C204
R152
R358
R356
C358
C367
R361
C366
R362
C357
R365
R357
C359
R359
R360
R255
R256
R258
C256
C254
R253
R252
C250
C252
R250
C251
R251
R150
C131
R131
ECB
Q130
C363
R352
C352
C365
R350
C350 C364
C351
R351 R363
R354 R355
C362
ECB
Q120
R122
R130
R120
C130
R123
R121
C104
R855
R115
C253
R118
C361
C356
C165
BCE
Q121
R108
C109
R103
C103 C101 L101
C702
C700
R75
C506
R730
R209
R853
IC400
1
18
36
19
IC1
1
25
26
5051
75
76
100
IC200
11
20
10
1
IC350
5
8
4
1
IC250
5
8
4
1
L710
D710
D651
R652
R650
D650
C730
+
D731
R731
C732
C734
+
+
C743
+
D700
CN350
1
8
1-683-562- 11
Q700
Q703
R702 R701
R703
S1
(RESET)
R607
X4
R733
R105
R107
R106
L1
R21
C742
C740
++
C720
+
D640
R640
C722
+
Q740
D741
D740
C710
+
CN700
(POWER)
16
8
9
1
F901
18
17
19
D722
Q722
R722 R721
R26
X1
R43
X200
R622
R501
R34 R33 R32
C7
+
D721
IC500
25
24
1
2
D500
D501
D503
D502
C507
+
D290
Q290
C291
+
D622
D620
C503
+
C622
C620
++
R104
R102
R206
C208
+
C150
+
D150
R207
C420
C400
+
+
C354
C161
C124
+
+
+
C422
C426
+
+
C402
+
D450
C452
C451
++
C450
C453
++
C416
+
C412
C410
C125
+
+
+
C355
C160
+
+
1
26
TU100
FM/AM TUNER UNIT
14
13
C360
C353
R364
+
+
D250
CN600
1
2
11
12
A
CONTROL BOARD
CN900
R606 R605 R604 R603
R602
R601
R600
RV100
CP100
ANT100
(FM/AM ANTENNA)
C102
L100
+
18
M901
(CAPSTAN/REEL)
M
RED
BLU
S901
(DIRECTION)
REV
m
FWD
BRN
BRN
ORG
ORG
S902
(FF/REW)
(OFF : PLAYBACK)
S903
(TAPE DETECT)
(ON : TAPE IN)
YEL YEL
TO
CN350
CN300
1
3
HP901
PLAYBACK
HEAD
C640
+
D505
D504
D507
D506
D351
R704
MAIN BOARD
R724
R723
R706
R353
C212
A
B
C
D
E
F
G
H
I
1 2 3 4 5 6 7 8 9 10 11 12 13
J
(CHASSIS)
R366
R7 (CHASSIS)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
FL+
RL+
RR+
FR+
RL+
FL+
FR+
RR+
RR–
FL–
RL–
RR–
FR–
FR–
FL–
RL–
BATT
GND
BATT
ANT
ACC
GND
ANT
ACC
TO
CN700
5-2. PRINTED WIRING BOARD –MAIN Board –
Ref. No. Location
•Semiconductor
Location
D150 G-5
D250 I-5
D251 H-4
D252 H-4
D290 D-7
D351 G-4
D450 D-5
D500 B-7
D501 B-7
D502 B-7
D503 B-7
D504 C-7
D505 C-7
D506 C-7
D507 C-7
D620 D-6
D622 D-5
D640 D-10
D650 F-11
D651 F-12
D700 H-11
D710 D-11
D720 D-9
D721 D-8
D722 D-8
D731 G-12
D740 D-10
D741 E-10
D750 I-10
IC1 G-8
IC2 F-11
IC200 H-6
IC250 H-4
IC350 G-4
IC400 E-4
IC500 B-7
Q120 G-3
Q121 F-2
Q130 G-3
Q150 G-5
Q151 F-5
Q250 H-5
Q290 D-7
Q291 D-7
Q292 E-7
Q450 C-4
Q451 C-4
Q452 C-5
Q453 C-3
Q620 D-5
Q621 E-6
Q640 E-10
Q650 F-11
Q651 F-11
Q652 F-11
Q700 I-11
Q702 I-10
Q703 I-11
Q704 I-10
Q720 E-9
Q721 E-9
Q722 D-8
Q725 E-8
Q730 H-11
Q731 G-11
Q732 G-11
Q733 H-11
Q734 H-10
Q740 D-10
Q741 D-10
Q750 I-10
R703 I-10
(Page 22)

XR-L240
2020
5-3. SCHEMATIC DIAGRAM –MAIN Board (1/2) –•See page 24 forWaveforms. •See page 24 for IC Block Diagram.
(Page 23)
(Page 21)

XR-L240
2121
5-4. SCHEMATIC DIAGRAM –MAIN Board (2/2) –•See page 24 for IC Block Diagram.
(Page 20)

XR-L240
2222
CONTROL BOARD
(COMPONENT SIDE)
AK
D930
AK
D920
AK
D932
AK
D931
AK
D916
KA
D917
AK
D910
KA
D911
AK
D912
KA
D913
AK
D922
AK
D923
AK
D921
KA
KA
D934
AK
D933
LCD900
LIQUID CRYSTAL DISPLAY
50 1
D914
AK
D915
KA
D925
KA
D924
KA
S974 S958
S956
MODE
S975
S957
S955
SEL
D914, S954
ATT
S954 S953
D915, S953
BTM
SENS
D913, S963
5
D923, S964
TA
D916, S952 D917, S951
AF
D910, S960 D911, S961 D912, S962 D922, S968
ATA
6
S959
TUNER
T
S952 S951 S960 S961 S962 S963 S968 S964
S965
D924, S965
PTY
D925, S967
DSPL
S967
S970
S977
D921, S973
OFF
S972
D-BASS
D
S971
MBP S969 S976
–
D920,
S957, 975
+
D930,
S958, 974 D910 –918, 920 –925, 930 –934
AK
1-683-564-
11
(11)
D934,
S969, 976
SEEK
AMS
CONTROL BOARD
(CONDUCTOR SIDE)
PL902
(LCD BACK LIGHT)
PL901
(LCD BACK LIGHT)
D961
AK
R954
C952
R913 R912
D960
AK
R955
R918
R917
D962 AK
C953
C955
C954
1
20 21
40
41
60
61
80
IC900
D963
KA
R911
R900
R910
2
12
11 1
CN900
A
MAIN BOARD
CN600
R905
R904
R903
R902
R901
R920
R921
R932
R931
R930
R916
R915
R919 R914
D964
KA
1-683-564-
11
(11)
123 4 5 6 7 8 9 10 11
A
B
C
D
E
F
(VOLUME)
D931, 932
(ILLUMINATION)
D918
(ILLUMINATION)
+
D933,
S970, 977
–
4321
5-5. PRINTED WIRING BOARD –CONTROL Board –
(Page 19)
Ref. No. Location Ref. No. Location
•Semiconductor Location
D910 C-5
D911 C-6
D912 C-7
D913 C-7
D914 C-2
D915 C-3
D916 C-4
D917 C-4
D918 B-10
D920 C-1
D921 C-10
D922 C-8
D923 C-9
D924 C-10
D925 C-10
D930 B-1
D931 B-2
D932 B-2
D933 C-11
D934 B-11
D960 D-3
D961 F-2
D962 D-5
D963 D-7
D964 F-11
IC900 E-6
Ref. No. Location

XR-L240
2323
5-6. SCHEMATIC DIAGRAM –CONTROL Board –•See page 24 forWaveform.
(Page 20)