Sony XR-CA665EE Service Manual ▷ View online
13
XR-CA665EE
Procedure:
1. Put the set into the FWD PB mode.
2. Adjust adjustment resistor for inside capstan motor so that the
1. Put the set into the FWD PB mode.
2. Adjust adjustment resistor for inside capstan motor so that the
reading on the frequency counter becomes 3,000 Hz.
Specification: Constant speed
Adjustment Location:
Tape Speed Adjustment
– SET UPPER VIEW –
SECTION 4
MECHANICAL ADJUSTMENTS
TAPE TENSION MEASUREMENT
1. Clean the following parts with a denatured-alcohol-moistened
swab:
playback head
pinch roller
rubber belt
capstan
idler
2. Demagnetize the playback head with a head demagnetizer.
3. Do not use a magnetized screwdriver for the adjustments.
4. The adjustments should be performed with the power supply
3. Do not use a magnetized screwdriver for the adjustments.
4. The adjustments should be performed with the power supply
voltage (14.4 V) unless otherwise noted.
TORQUE MEASUREMENT
Mode
Torque Meter
Meter Reading
2.95 – 6.37 mN•m
Forward
CQ-102C
(30 – 65 g•cm)
(0.42 – 0.90 oz•inch)
Forward
0.05 – 0.44 mN•m
CQ-102C
(0.5 – 4.5g•cm)
Back Tension
(0.01 – 0.06 oz•inch)
2.95 – 6.37 mN•m
Reverse
CQ-102RC
(30 – 65 g•cm)
(0.42 – 0.90 oz•inch)
Reverse
0.05 – 0.44 mN•m
CQ-102RC
(0.5 – 4.5g•cm)
Back Tension
(0.01 – 0.06 oz•inch)
5.89 – 19.61 mN•m
FF, REW
CQ-201B
(60 – 200 g•cm)
(0.83 – 2.78 oz•inch)
Mode
Tension Meter
Meter Reading
Forward
CQ-403A
more than 60 g
(more than 2.12 oz)
Reverse
CQ-403R
more than 60 g
(more than 2.12 oz)
SECTION 5
ELECTRICAL ADJUSTMENTS
0 dB=0.775 V
TAPE SPEED ADJUSTMENT
Setting:
Frequency counter
2,955 to 3,075 Hz
TAPE DECK SECTION
frequency counter
test tape
WS-48A
(3 kHz, 0 dB)
WS-48A
(3 kHz, 0 dB)
set
AUDIO OUT REAR jack (J331)
–
+
10 k Ω
TUNER SECTION
Tuner section adjustments are done automatically in this set.
14
XR-CA665EE
2.6 Vp-p
22.4
µ
s
2.6 Vp-p
54.2 ns
5.1 Vp-p
30.5
µ
s
SECTION 6
DIAGRAMS
6-1.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
C
: panel designation.
•
A
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
[
no mark : FM
[
] : TAPE PLAYBACK
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
f
: AM
E
: TAPE PLAYBACK
L
: BUS AUDIO IN
Note on Printed Wiring Board:
•
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side) the parts face are indicated.
• Waveforms
– MAIN Board –
– MAIN Board –
1
IC501
qs
(OSC2)
2
IC501
qh
(XO)
– DISPLAY Board –
3
IC901
uf
(OSC)
XR-CA665EE
15
15
CN581
D352
R352
L501
TH501
X501
X502
C301
C354
C356
CN701
C403
C12
C14
C308
C309
C751
C755
C757
C758
D751
D752
D753
D754
D755
D756
D757
D758
D618
D617
D612
D613
R651
R631
C622
C623
S702
CNP601
C510
JW1
JW
2
JW
3
JW
5
JW6
JW7
JW8
JW9
JW10
JW11
JW
13
JW14
JW
16
JW
17
JW
18
JW
20
JW21
JW22
JW23
JW24
JW25
JW
28
JW29
JW31
JW
33
JW
34
JW37
JW
38
JW
39
JW40
JW41
JW42
JW47
JW
48
JW
50
JW51
JW
52
JW53
JW54
JW
58
JW
59
JW
64
JW
65
JW
66
JW67
JW68
JW69
JW70
JW71
JW72
JW73
JW74
JW75
JW76
JW77
JW78
JW79
JW81
JW82
JW83
JW85
JW86
JW87
JW89
JW90
JW91
JW93
JW
94
JW95
JW96
JW97
JW99
JW100
JW101
JW102
JW
103
JW
104
JW
105
JW106
JW
107
JW108
JW
109
JW110
JW
111
JW112
JW113
JW114
JW115
JW116
JW
117
JW118
JW119
JW120
JW121
JW122
JW123
JW
125
JW126
JW127
JW129
JW
201
JW
202
JW
203
JW
204
C479
TU1
L500
D601
C601
C631
JW
15
JW80
R641
R642
R715
R404
JW49
R304
R609
JW88
R581
R582
JW30
JW84
JW63
C752
JW
61
R672
JW27
JW26
JW32
JW
36
JW62
JW
56
JW
45
S502
JW
57
JW
35
C302
C759
C756
R554
C583
C412
C422
JW124
IC751
JW43
C461
C431
C441
C244
C144
C451
C401
JW
46
JW
98
Q354
Q581
Q353
IC581
IC351
JC401
Q301
Q451
Q441
Q431
Q461
JC402
JC403
C764
C765
D609
D581
D582
Q651
Q631
Q641
D719
D701
D671
Q664
Q478
Q479
D479
D714
C621
C511
C504
C505
C503
C502
C517
C501
C516
C515
C101
C102
C201
C202
C306
C305
C103
C104
C204
C203
C304
C303
C15
C13
C411
C421
C402
C452
C442
C432
C462
C82
C753
C514
C581
R718
R710
R717
R711
R702
R301
R204
R203
R205
R103
R104
R105
R302
R303
JC301
R403
R402
R461
R441
R431
R451
R432
R434
R454
R442
R452
R462
R464
R433
R242
R241
R142
R141
R443
R453
C766
C762
C763
R550
R526
R522
R521
R520
R674
R508
JC503
R524
R546
R547
R530
R529
R654
R518
R636
R653
R751
R652
D651
R544
R673
R506
R505
R504
R502
R509
R543
R542
R501
R551
R507
R671
R621
R540
R541
R538
R539
R537
C353
C358
R353
R354
R584
R583
R586
R632
R634
R633
C619
C618
C617
C602
C609
R519
R701
R713
JC302
JC303
R528
R503
R479
R516
JC751
C105
C205
C454
C444
C242
C142
R401
R421
R422
R552
IC301
R553
R716
C754
R752
C506
C19
R523
R11
R12
R411
R412
IC501
IC602
D710
D711
D716
D717
C143
C243
C86
JC502
R531
R532
L11
L12
C521
C413
C423
C310
C87
JC81
IC401
C85
JC11
R558
R444
JC404
R463
D586
D584
D585
D712
D713
D715
D718
C357
C351
C352
C716
C717
C710
C711
C715
C718
C713
C712
1
25
26
50
75
51
76
100
MAIN BOARD
1-687-315-
11
J10
FM/AM
ANTENNA
L
R
BUS AUDIO
IN
L
R
AUDIO OUT
REAR
J331
(CHASSIS)
(TUNER UNIT)
7
6
2
1
HP901
PLAYBACK
HEAD
CN301
(CHASSIS)
2
1
14
13
A
SUB BOARD
FU601
RESET
(NOSE DETECT)
(CHASSIS)
11
10
2
1
M901
CAPSTAN/
REEL
M
MECHANISM
BLOCK
CN351
1
2
3
4
5
6
7
8
1
2
3
7
8
4
5
6
(FRONT VIEW)
TO
CNP601
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
A
B
C
D
E
F
G
H
I
J
K
L
17
M
C81
R527
3
2
1
REMOTE IN
J671
BUS CONTROL IN
CN581
(FOR SONY BUS)
1
1
9
WHT/BLK
GRN/BLK
VIO/BLK
GRY/BLK
BLU/WHT
LIGHT BLU
YEL
WHT
GRN
VIO
GRY
BLU
RED
BLK
2
10
3
3
11
4
12
5
5
13
6
14
7
7
15
8
16
RL+
RL–
GRN/BLK
WHT/BLK
GRY/BLK
VIO/BLK
GRN
WHT
GRY
VIO
FL+
FL–
FR+
FR–
RR+
RR–
ACC
GND
BLK
YEL
RED
BLU
ANT REM
NC
BATT
NC
NC
ATT
NC
AMP REM
MAX0.3A
MAX0.3A
8
6
4
2
1
3
5
7
8
6
4
2
6-2.
PRINTED WIRING BOARD – MAIN Board –
(Page 19)
D352
I-14
D479
F-10
D581
H-14
D582
H-14
D584
G-14
D585
G-14
D586
G-14
D601
E-14
D609
G-12
D612
F-11
D613
F-11
D617
F-12
D618
E-12
D651
G-10
D671
L-9
D701
K-9
D710
M-4
D711
M-4
D712
M-4
D713
M-4
D714
L-5
D715
M-5
D716
M-5
D717
M-4
D718
M-4
D719
M-5
D751
E-9
D752
E-10
D753
E-9
D754
E-9
D755
E-10
D756
D-10
D757
D-11
D758
E-10
IC301
I-5
IC351
K-14
IC401
F-5
IC501
J-9
IC581
G-13
IC602
L-11
IC751
C-8
Q301
I-6
Q353
I-13
Q354
I-14
Q431
D-6
Q441
C-5
Q451
C-5
Q461
D-5
Q478
F-10
Q479
F-10
Q581
H-14
Q631
F-12
Q641
M-7
Q651
G-10
Q664
K-9
• Semiconductor
Location
Ref. No.
Location
XR-CA665EE
16
16
6-3.
SCHEMATIC DIAGRAM – MAIN Board (1/3) –
•
See page 22 for IC Block Diagrams.
C403
R443
R463
R404
C12
R11
R12
C19
C15
C13
C87
C85
C411
C423
R422
C422
R421
R431
R451
R461
R441
C412
R412
R411
C413
R241
R141
R242
R142
C441
R442
C402
Q441
Q461
C432
R432
C431
R433
R453
C451
R452
Q451
Q431
R444 C442
C452
R454
Q478
Q479
C751
D751
D752
D753
D754
D755
D756
D757
D758
C754
R752
C762
D612
C763
C601
D601
D609
C619
D618
C618
D617
C617
C609
C765
C764
C766
C752
C755
C756
C757
C758
C759
R401
R403
R402
C401
IC401
C479
R479
D479
R464 C462
C461
R462
CNP601
C242
C142
C444
C454
C82
J10
JC11
JC81
JC404
JC403
JC402
J331
C421
L11
C14
L12
C81
D613
R609
C602
C244
C144
L500
IC751
FU601
TU1
R434
JC751
JC401
C143
C243
47
16V
47k
47k
10
100
10V
10V
100
100
0.01
0.1
0.1
0.001
0.01
0.22
0.0015
10k
0.012
10k
100
100
100
100
0.012
10k
10k
0.0015
10k
10k
1k
1k
10
16V
100
0.01
DTC314TK
DTC314TK
0.47
100
10
16V
47k
47k
10
16V
100
DTC314TK
DTC314TK
1k
0.47
0.47
1k
DTC144EKA
DTA114EKA
22
16V
1SR139
1SR139
1SR139
1SR139
1SR139
1SR139
1SR139
1SR139
47p
100
0.01
1SR139
0.01
3300
16V
1N5404TU
UDZ-6.8B
0.001
1SR139
0.001
1SR139
0.001
0.1
0.1
0.1
0.22
2.2
50V
50V
10 16V
10 16V
10 16V
10 16V
100 10V
30k
100
100
10
16V
BD3802F
47
16V
47
MA111
1k
0.47
10
16V
100
16P
100p
100p
100p
100p
0.001
0
0
0
0
0
4P
0.22
47
16V
0.22
1SR139
1k
0.1
1
50V
1
50V
TDA8588J/N1
10A
32V
1k
0
0
0.0022
0.0022
A1
A2
A3
A4
A5
A8
A9
A10
A11
A12
A13
A14
A16
B7
B6
B5
B4
B3
B2
B1
A19
A18
A17
E
E
P
-S
C
L
E
E
P
-S
D
A
I2
C
-S
C
L
I2
C
-S
D
A
AMPON
DIAG
TAPE-RCH
TAPE-LCH
I2
C
-S
D
A
I2
C
-S
C
L
I2C-SDA
I2C-SCL
FL+
FL-
RL+
RL-
RR+
RR-
FR+
TEST
FL+
FL-
RL+
RL-
RR+
RR-
FR+
FR-
AMP-R
ANT-R
AMP-R
FR-
ANT-R
RL-
RL-
FL-
FL-
FR-
FR-
RR-
RR-
RL+
RL+
FL+
FL+
FR+
FR+
RR+
RR+
GND
GND
BATT
BATT
ACC
ACC
ANT REM
ANT REM
AMP REM
(CHASSIS)
FL+
FL-
RL+
RL-
RR+
RR-
FR+
FR-
AMP-R
ANT-R
ACC
GND
+B
+B
+B
+B
TEST
ILL(NC)
TEL
(CHASSIS)
(CHASSIS)
(CHASSIS)
(1/3)
(TUNER UNIT)
FM/AM
ANTENNA
INPUT SELECT,
ELECTRICAL VOLUME
MUTING
MUTING
MUTING
MUTING
MUTING
Q478,479
CONTROL
L
R
L
R
REAR
AUDIO OUT
AUDIO IN
BUS
POWER AMP
ATT
TUX-031//Q3
250
µ
H
2.2
µ
H
2.2
µ
H
(Page 17)
(Page 18)
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