Sony STR-WX5 Manuel utilisateur
STR-WX5
E Model
Australian Model
Tourist Model
SERVICE MANUAL
FM STEREO/FM-AM RECEIVER
MICROFILM
SPECIFICATIONS
STR-WX5 is the tuner and amplifier
section in MHC-WX5.
Amplifier section
The following measured at AC 120, 220, 240V 50/60Hz
DIN power output (Rated) (FRONT)
120 + 120W (6 Ωat 1kHz DIN)
Continuous RMS power output (Reference)
150 + 150 W
(6 Ωat 1kHz, 10% THD)
Inputs MD/VIDEO 1 IN (phono jacks): voltage
450/250mV, impedance 47kΩ
AV INPUTAUDIO (phono jacks):
voltage 250mV, impedance 47kΩ
MIX MIC (phone jack): sensitivity 1mV,
impedance 10kΩ
Output MD/VIDEO 1 OUT (phono jacks):
voltage 450/250mV, impedance 1kΩ
PHONES (stereo phone jack): accepts
headphones of 8Ωor more.
FRONT SPEAKER:
accepts impedance of 6 to 16Ω
REAR SPEAKER:
accepts impedance of 16Ω
SUPER WOOFER:
Voltage 1V, impedance 1kΩ
Video section
Inputs AV INPUT VIDEO (phono jack): 1Vp-p,
75Ω
Outputs MONITOR OUT (phono jack): 1Vp-p,
75Ω
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range 87.5 – 108.0MHz
Antenna terminals 75Ωunbalanced
Intermediate frequency 10.7MHz
AM tuner section
Tuning range
Latin America models: 530 – 1,710kHz (10kHz step)
531 – 1,710kHz (9kHz step)
Middle Easten models: 531 – 1,602kHz(with the MW interval set at
9kHz)
5.95 – 17.90MHz (with the SW interval set
at 5kHz)
Australian, Israel, and Thai models :
531 – 1,602kHz(with the AM tuning
interval set at 9kHz)
530 – 1,710kHz (with the AM tuning
interval set at 10kHz)
Other models: MW :
531 – 1,602kHz(with the MW tuning
interval set at 9kHz)
530 – 1,710kHz (with the MW tuning
interval set at 10kHz)
SW :
5.95 – 17.90 MHz (with the SW tuning
interval set at 5kHz)
Intermediate frequency 450kHz
Antenna AM loop antenna
External antenna terminal
— Continued on next page —
STR-WX5
1313
4-4. SCHEMATIC DIAGRAM MAIN(1/2) SECTION • Refer to page 24 for IC Block Diagrams.
(Page 15)
(Page 14) (Page 14) (Page 14) (Page 14)
(Page 18)
16
STR-WX5
1414
4-5. SCHEMATIC DIARGAM MAIN(2/2) SECTION • Refer to page 12 for Printed Wiring Board. • Refer to page 24 for IC Block Diagrams.
The components identified by mark !or dotted
line with mark !are critical for safety.
Replace only with part number specified.
(Page 20)
(Page 23) (Page 15) (Page 20) (Page 16)
(Page 16)
(Page 16)
(Page 13)(Page 13)(Page 13)(Page 13)
16
0.8
0.1
Q854
BN1F4M
Q855
2SC2958L
RELAY SWITCH
R857
22k
0
STR-WX5
1515
4-6. SCHEMATIC DIAGRAM AV/MIC SECTION 4-7. PRINTEDWIRING BOARD AV/MIC SECTION
• Refer to page 24 for IC Block Diagrams. • Refer to page 9 for Circuit Boards Location.
(Page 14)
(Page 18)
(Page 13)
(Page 16)
16
MODEL
MODEL
MODEL
MODEL
(Page 12)
(Page 12)
(Page 19)
(Page 17)
16
16
4
MODEL
MODEL
MODEL
MODEL
4
STR-WX5
1616
4-8. SCHEMATIC DIAGRAM POWER AMP SECTION
The components identified by mark !or dotted
line with mark !are critical for safety.
Replace only with part number specified.
(Page 14)
(Page 14)
(Page 14)
(Page 15)
16
1/4W
1/4W
1/4W
STR-WX5
1818
4-10. SCHEMATIC DIAGRAM DISPLAY SECTION • Refer to page 25 for IC Block Diagrams. • Refer to page 26 for IC Pin Function.
(Page 20)
(Page 13) (Page 20)
(Page 15)
16
3.6
3.5
3.5
STR-WX5
2020
4-12. SCHEMATIC DIAGRAM SLIDING PANEL SECTION • Refer to page 28 for IC Block Diagrams.
(Page 18)
(Page 14)
(Page 18)
(Page 14)
0.6
12.7
12.7
0.6
0.7
4.5
0
0
0
3.6
3.5
16
3.5
3.5
4.9
4.9
4.9
23
4-15. SCHEMATIC DIAGRAM TRANS SECTION
(Page 14)
16
The components identified by mark !or dotted
line with mark !are critical for safety.
Replace only with part number specified.
STR-WX5
24
• MAIN (2/2) SECTION
IC112 MC14052BCP
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2X0
X2
VDD
X1
XCOM
X0
X3
A
B
VSS
VEE
INH
2X1
2X3
2XCOM
2X2
IC402 MC14053BCP
1
2
3
4
5
6
7
8
B1
B0
C.COM
CO
INH
VEE
VSS
VDD
B.COM
A.COM
A1
A0
A
B
C
C1
9
10
11
12
13
14
15
16
OPEN
OPEN
OPEN
• MAIN (1/2) SECTION
IC401 M65850P
OSCILLATOR
1/2 VCC
AUTO
RESET
LPF1
MAIN
CONTROL
A/D
20KBIT
SRAM
LPF2
D/A
12 3 45 6 7
891014 13 12 11
CLOCK
RESET MO
MI
D1 DO0
DO1
VCC
CLOCK
REF
OP2IN
OP2OUT
LPF2IN
LPF2OUT
LPF1IN
LPF1OUT
OP1OUT
OP1IN
CC1
CC2
GND
1 2 3 4 5 6 7 8
OVER LOAD DET
F/F
OFFSET DET
LATCH/
AUTORESET
V
CC
ON
MUTE
AC OFF
DET
V
CC
IC851 uPC1237HA
• MIC/ECHO SECTION
IC6002 M65850P
OSCILLATOR
1/2 VCC
AUTO
RESET
LPF1
MAIN
CONTROL
A/D
20KBIT
SRAM
LPF2
D/A
12 3 45 6 7
891014 13 12 11
CLOCK
RESET MO
MI
D1 DO0
DO1
VCC
CLOCK
REF
OP2IN
OP2OUT
LPF2IN
LPF2OUT
LPF1IN
LPF1OUT
OP1OUT
OP1IN
CC1
CC2
GND
4-16. IC BLOCK DIAGRAMS
25
• DISPLAY SECTION
IC505 MC14053BCP
2
3
14
1
f04
13 f
12 VCC
11 NC
10 NC
15 f03
5
GND
6
BIAS
C
7
NC
8
NC
9
NC
4
16 f02
17 f01
18 RESET
RESET
C
PREF
LINE
NF
LINE
IN
REFFERENCE
CURRENT
BPF DET
BPF DET
BPF DET
BPF DET
DET
RESET
Bias
1
2
3
4
5
6
7
8
B1
B0
C.COM
CO
INH
VEE
VSS
VDD
B.COM
A.COM
A1
A0
A
B
C
C1
9
10
11
12
13
14
15
16
OPEN
OPEN
OPEN
• SLIDING PANEL SECTION
IC891 LB1641
IC506 BA3833F
12 3 45 6 7 8 9 10
GND
MOTOR
DRIVE
NOISE
FILTER
CLAMP
FWD.IN
REV.IN
VCC 1
VCC 2
NOISE
FILTER
MOTOR
DRIVE
MOTOR
DRIVE
MOTOR
DRIVE
T.S.D O.C.P
FWD/REV/STOP
CONTROL LOGIC
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