Sony XR-4300RV / XR-C5300RV Service Manual ▷ View online
13
13
Adjustment Location:
Tape Speed Adjustment
– SET UPPER VIEW –
SECTION 4
MECHANICAL ADJUSTMENT
• 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. After the adjustments, apply suitable locking compound to the
3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, apply suitable locking compound to the
parts adjusted.
5. The adjustments should be performed with the power supply
voltage 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
more than 8.83 mN•m
Forward
CQ-403A
(more than 90 g)
(more than 3.18 oz)
more than 8.83 mN•m
Reverse
CQ-403R
(more than 90 g)
(more than 3.18 oz)
SECTION 5
ELECTRICAL ADJUSTMENT
0 dB=0.775 V
Tape Speed Adjustment
Setting:
Speed checker
Frequency counter
–1.5 to +2.5%
2,955 to 3,075 Hz
TAPE DECK SECTION
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 speed checker or frequency counter becomes in
specification.
specification.
Specification: Constant speed
set
+
–
test tape
WS-48A
(3 kHz, 0 dB)
WS-48A
(3 kHz, 0 dB)
AUDIO OUT jack (CNJ151)
10 k
Ω
speed checker
or
frequency counter
TUNER SECTION
Tuner section adjustments are done automatically in this set.
14
14
XR-4300RV/C5300RV
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – TUNER Section –
1
2
FM-ANT
AM-ANT
53
VSM
56
TUNATT
14
S-METER
10
MPX
8
AM-DET
9
RDS/SW
05
MUTING
Q151
MUTING
CONTROL SWITCH
Q82
MUTING
Q121
D80
FM/AM TUNER UNIT
TU1
SYSTEM CONTROLLER
IC501 (1/3)
17
E2P-SIO
J1
(FM/AM ANTENNA)
5
TU8.7V
TUNER +8.7V
16
TU5V
TUNER +5V
11
E2P+B
9
52
MPTH
64
DAVN
RDS DECODER
IC51
INTERFACE
REGISTER
IIC BUS
SLAVE
TRANSCEIVER
OSCILLATOR
& CLOCK
X51
4.332MHz
4
8
5
OSCI
OSCO
SDA
SCL
DAVN
57 kHz
BAND-PASS
FILTER
CLOCKED
COMPARATOR
RDS/RDBS
DEMODULATOR
& DECODER
SIGNAL
QUALITY
DECODER
16
18
19
MPX
CIN
4
5
SC
OUT
MULTI
PATH
DETECTOR
20
2
LVIN
MPTH
50
QUALITY
32
NS MASK
BAND-PASS
FILTER
IC90
Q90
NOISE DET
DISCHARGE
SWITCH
DATA
CLOCK
DATA, CLOCK
(Page 15)
MPX
(Page 15)
A
AM
(Page 15)
B
LEVEL
(Page 15)
D
BACKUP +5V
E2P-SIO
• SIGNAL PATH
: FM
: MW/LW
18
E2P-CKO
10
E2P-CKO
SDA
SCL
4
FM AGC
51
FM AGC
BUFFER
Q91
DATA
12 13
AM-IF
19
CLOCK
10
C
AM-IF
(Page 15)
E
9
15
15
XR-4300RV/C5300RV
6-2.
BLOCK DIAGRAM – TAPE/MAIN Section –
05
TAPE EQUALIZER AMP, AMS
IC301
34
32
R-CH
PBF
IN1
IN1
FWD
L-CH
HP901
(PLAYBACK)
FWD
R-CH
REV
L-CH
REV
R-CH
PBR
IN1
IN1
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
EQ AMP
29
27
MUTE
DOLBY
NR AMP
PB
OUT1
TAPE
IN1
IN1
AMS
DET
+
113
115
117
114
N-ROUT
MTLON
19
DRSW
18
TAPESW
17
16
20
INSW
TAPE MUTE
DOLBY
AMSON
103
AMSIN
MSSW
24
LINE
OUT1
14
MS
OUT
A
(Page 14)
B
(Page 14)
MPX
E
(Page 14)
AM-IF
AM
SEL
AM
SDA
SCL
SM
1
11
FD1L-
4
AMIF
12
MPX
13
LOUDNESS
VOLUME
IIC BUS
DIGITAL
CONTROL
R-CH
INPUT SELECT,
ELECTRICAL VOLUME
IC331
CNJ151 (1/2)
BUS
AUDIO IN
SOFT
MUTE
TONE
CONTROL
LOUDNESS
29
18
MPIN
20 21
OUT LR
R-CH
30
OUT LF
L
R
C
(Page 14)
DATA, CLOCK
DATA
CLOCK
SYSTEM CONTROLLER
IC501 (2/3)
57
71
I2C CKO
70
I2C SIO
16
BEEP
TEL ATT
CNJ151 (2/2)
AUDIO OUT
(LINE OUT)
R-CH
L
R
60
AMP ATT
58
ATT
MUTING
CONTROL SWITCH
Q621
MUTING
CONTROL SWITCH
Q622
AMP ON
BATT B+
D622
D624
D558
D621
FRONT L (+)
11
11
14
9
7
FL+
FL–
21
23
FR+
FR–
FL-IN
FR-IN
12
5
3
RL+
RL–
RL-IN
15
22
17
19
RR+
RR–
RR-IN
4
CN601 (1/2)
(POWER CONNECTOR)
POWER AMP
IC611
FRONT L (–)
10
FRONT R (+)
12
FRONT R (–)
13
REAR L (+)
9
REAR L (–)
8
REAR R (+)
15
REAR R (–)
14
TEL ATT
6
MUTING
Q171
MUTING
Q271
MUTING
Q181
ST-BY
MUTE
16
AC GND
MUTING
Q281
R-CH
R-CH
CAPSTAN/REEL
MOTOR DRIVE
Q354
CM-ON
BATT B+
Q353
111
M
M901
(CAPSTAN/REEL)
REGULATOR
CONTROL SWITCH
Q352
LM-EJ
TAPEON
LM-LOD
VCC
REEL SENSOR B+
BATT B+
IN1
IN2
OUT1
OUT2
LOADING/TAPE OPERATION
MOTOR DRIVE
IC361
M
7
9
MOTOR
DRIVE
3
4
1
110
109
REGULATOR
Q351
112
LOADING/TAPE
OPERATION
TAPE OPERATION
SWITCH
BUFFER
TAKE-UP
REEL
SENSOR
SUPPLY
REEL
SENSOR
REEL SENSOR BOARD
REEL
104
105 – 108
POS0 – POS3
TAPE
DETECT
EJECT/FF/REW/
REV/FWD MODE DETECT
• SIGNAL PATH
: MW/LW
: FM
: TAPE PLAY
: BUS AUDIO IN
BATT B+
INPUT
MULTIPLEXER
OUTPUT
SELECTOR
MONO
FADER
MIXER
PILOT
CANCELATION
AM/FM NOISE
BLANKER
D/A
CONVERTER
DEMODULATOR
STEREO ADJUST
STEREO BLEND
HIGH-
CUT
L.P.F
59
VOL ATT
79
LEVEL SHIFT
Q583
MUTE
PILOT DET
L.P.F.
S & H
PLL
LEVEL
15
14
D
(Page 14)
LEVEL
(XR-C5300RV)
16
16
XR-4300RV/C5300RV
6-3.
BLOCK DIAGRAM – DISPLAY/KEY CONTROL/BUS CONTROL/POWER SUPPLY Section –
SYSTEM CONTROLLER
IC501 (3/3)
35
RE-IN1
KEYACK
76
KEYIN1
RE-IN0
36
37
KEYIN0
RC-IN0
RC-IN1
46
47
48
85
KEY ACTIVE
SWITCH
Q551
D501
ENCODE –
ENCODE +
D653
AD-ON
LSW801, LSW901 – 907,
LSW909 – 917,
S901 – 904
ROTARY
ENCODER
RE901
BACKUP +5V
VOLUME/BASS/TREBLE/
BALANCE/FADER CONTROL
RE901
J501
REMOTE IN
DOORSW
12
NOSESW
CN901
(FRONT PANEL SIDE)
CN701
(MAIN BODY SIDE)
8
9
X1
X0
X1A
X0A
93
92
73
74
X501
3.68MHz
X502
32.768kHz
SHIFT
3
DI
64
CL
63
60
CE
OSC
62
LCD SO 13
LCD CKO 14
15
LCD CE
LED DRIVE
Q903
OSC
C953, R957
LED DRIVE
Q701
LIQUID CRYSTAL DISPLAY DRIVER
IC901
4 – 51
S04 – S51
52 – 55
COM1 – COM4
LIQUID CRYSTAL
DISPLAY
LCD901
05
BACKUP +5V
RESET SIGNAL
GENERATOR
IC551
6
8
4
CLK OUT
CLK IN
DATA OUT
DATA
IN/OUT
2
RESET
OUT
RESET
SWITCH
BUS ON
SWITCH
13
11
1
BUS ON
OUT
BUS
ON IN
ON IN
12
9
DATA IN
SONY BUS INTERFACE
IC701
BATT
BATT B+
BUS ON
DATA
CLK
RESET
7
6
5
4
2
RESET
IN
IN
3
BATT
CLK
DATA-OUT
DATA-IN
RST
BUS ON
BU-IN
CLK
DATA-OUT
DATA-IN
RST
BUS ON
BU-IN
BATTERY
SWITCH
10
BATT
CHECK
CHECK
77
3
19
UNICKO
17
UNISI
20
UNICKI
18
UNISO
86
HSTX
11
90
TH501
D852
D581
RESET
SYSRST
BU-IN
BUS-ON
S503
(RESET)
S504
(NOSE DETECT)
SIRCS
3
(FOR SONY BUS)
CN581
BUS CONTROL IN
ACCESSORY CHECK
Q571
1
BATT
ANT REM
2
CN601 (2/2)
(POWER CONNECTOR)
D572
5
ACC
REGULATOR
CONTROL SWITCH
Q602
+10V
REGULATOR
Q601
ILL B+
LED901 – 904,
LSW901 – 907,
LSW909 – 917
(FOR ILLUMINATION)
2
3
4
TU-ON
POWON 120
7
ILL-ON
1
DOORIND 29
SIRCS 24
BATT B+
POWER AMP
(IC611) B+
AMP REM
7
D610
D611
82
ACC IN
LED910 -915
(LCD BACK LIGHT)
67
LED801
(TAPE WINDOW),
LSW801
Z
BATT B+
BATTERY DETECT
Q581
D591
BATTERY DETECT
Q591, 592
SIRCS BUFFER
Q582
REMOTE CONTROL
RECEIVER
IC951
D587
(XR-4300RV)
(XR-C5300RV)
(XR-C5300RV)
TUNER8.7V
ANT+B
REGULATOR
IC671
COM8V
TUNER5.6V
TUNER8.7 ANT SW
TUNER5.6 SW
STB
COM +8V
(AUDIO CIRCUIT B+)
TUNER +5.6V
FM/AM TUNER UNIT
(TU1) B+
TUNER +8.7V
VCC
7
8
AMP+B
6
9
BU+B
BACKUP +5V
D551
5
10
11
BATT B+
POWER AMP
(IC611) B+
D615, 616
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