Sony XR-CA600 / XR-CA600V / XR-CA600X Service Manual ▷ View online
13
XR-CA600/CA600V/CA600X
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 (CNJ151)
–
+
10 k
Ω
TUNER SECTION
Tuner section adjustments are done automatically in this set.
14
XR-CA600/CA600V/CA600X
2.5 Vp-p
22.4
µ
s
3.3 Vp-p
54.4 ns
5 Vp-p
232 ns
5 Vp-p
30.8
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
(
) : MW/LW
〈〈
〉〉
: 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
: MW/LW
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
IC51
4
(OSCO)
2
IC501
qs
(OSCOUT)
3
IC501
qh
(XOUT)
– KEY Board –
4
IC900
uf
(OSC)
XR-CA600/CA600V/CA600X
15
15
3
2
1
(FM/AM TUNER UNIT)
FM/AM
ANTENNA IN
AUDIO OUT
REAR
BUS AUDIO
IN
25
1
2
24
IC751
BUS CONTROL
IN
(REMOTE IN)
(NOSE DETECT)
SUB BOARD
1-680-155-
11
MAIN BOARD
CN301
3
2
1
(CA600/CA600V)
(CA600/CA600X)
13
16
15
14
13
9
10
11
12
6
5
18
17
8
7
4
CN781
(CA600/CA600X)
(CA600V)
18
9
10
11
12
13
14
15
16
4
5
6
7
8
17
F781
CN781
(FRONT VIEW)
9
10
11
12
13
14
15
16
4
5
6
7
8
18
17
VIO
GRY
WHT
GRN
BLU
BLU/WHT
GRN/BLK
WHT/BLK
GRY/BLK
VIO/BLK
REAR RCH+
FRONT RCH+
FRONT LCH+
REAR LCH+
FRONT RCH+
FRONT LCH+
REAR LCH+
REAR LCH–
FRONT LCH–
FRONT RCH–
REAR RCH–
FRONT LCH–
FRONT RCH–
REAR RCH–
TEL ATT
AMP REM
BLU
RED
RED
ANT REM
ACC
ACC
BLK
YEL
YEL
GND
BATT
BATT
(SUPPLIED WITH ONLY SOUTH EUROPEAN MODEL)
CN581
B
C
D
E
F
G
H
I
J
K
L
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
A
6-2.
PRINTED WIRING BOARD – MAIN Board –
Ref. No.
Location
Ref. No.
Location
D1
G-5
D51
I-6
D55
K-8
D90
G-3
D91
G-3
D92
J-6
D351
I-13
D352
H-13
D502
G-10
D552
G-13
D553
I-6
D581
F-13
D582
E-14
D585
E-13
D586
C-14
D601
K-14
D610
F-13
D611
F-12
D614
E-11
D622
E-8
D701
L-4
D702
L-4
D703
L-5
D704
L-5
D705
L-3
D706
L-5
D707
L-3
D708
L-3
D709
L-3
D710
L-5
D711
L-3
D712
L-4
D721
E-10
D722
D-11
D723
E-10
D724
D-9
D731
D-9
• Semiconductor Location
D732
E-9
D733
E-9
D734
E-10
D781
E-12
IC51
J-3
IC90
F-3
IC301
H-5
IC331
E-5
IC351
J-13
IC501
J-7
IC551
L-11
IC581
E-12
IC611
G-14
IC751
C-8
Q90
J-6
Q91
G-3
Q171
C-5
Q181
C-5
Q271
C-5
Q281
C-5
Q351
I-13
Q352
J-13
Q353
I-12
Q354
H-12
Q551
I-11
Q571
I-11
Q581
F-13
Q583
H-10
Q601
K-13
Q602
K-13
Q604
K-14
Q605
K-14
Q621
E-8
Q622
E-8
Q631
J-5
(Page 19)
XR-CA600/CA600V/CA600X
16
16
6-3.
SCHEMATIC DIAGRAM – MAIN Board (1/3) –
•
See page 14 for Waveform.
•
See page 23 for IC Block Diagrams.
(Page 17)
(Page 18)
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