Sony XR-5W497RB User manual

– 1 –
SERVICE MANUAL
AEP Model
XR-5W497RB
FM/AM CASSETTE CAR STEREO
MICROFILM
Notes on Chip Component Replacement
•Never reuse a disconnected chip component.
•Notice that the minus side of a tantalum capacitor may be
damaged by heat.
DolbynoisereductionmanufacturedunderlicensefromDolbyLabo-
ratories Licensing Corporation.
“DOLBY” and the double-D symbol aare trademarks of Dolby
Laboratories Licensing Corporation.

XR-5W497RB
– 11 – – 12 –
3-2. BLOCK DIAGRAM —TAPE SECTION —
R-CH
FWD
R-CH
REV
48 18
17
14
37
46
EQ
AMP
DOLBY
NR
21
19
16
43
AUTO
MUSIC
SENSOR
DOLBY
LEVEL
L-CH
R-CH
MS
ON/OFF
MS-GV
RADIO/TAPE
70U/120U
R/F
RV431
41
EQ AMP/DOLBY NR
IC401
TAPE L
34
27
35
8
9
36
28
33
SUB SYSTEM CONTROL
IC201 (2/2)
F/R
METAL
DOLBY
AMS
AMS GAIN
MUTE
37 INSERT
30 SCL
31 25
SDA
32 CRQ
26 RESET
29 40
41
TAPE ON
OSC 1
OSC 2
11
12
XI
XO
70
E2D
68
E2CK
19
TUNER ON
42
CDC-CTL
INDICATOR
D OUT
D IN
CLK
DATA
CLK
POWER
CONTROL
Q231,232
5
6
EEP ROM
IC241
LED
DRIVE
Q81
CDC DATA
IN
Q703
CDC CLK
IN
Q704
CDC DATA
OUT
Q702
POWER
SWITCH
Q911,912
X202
32.768kHz
X201
8MHz
BATT
BATT
BATT
8.5V REG
Q233
TU +B
TU 8.5V
D81
TA 5V
04
TA +B
CN451
3
7
1
4
5
6
8
INSERT
S-CLK
SW+B
SW5V
S-DATA
C-REQ
RESET
POWER
CONTROL
Q450,451
BATT
5V REG
Q452
TA +B
TA 5V
39
CDC
ISO701 (3/5)
16
17
14
13
CDC +B
CDC-CLT
CDC DOUT
CDC DIN
15 CDC CLK
TUNER
SECTION
A
Signal path
: PB
TAPE
MECHANISM

– 13 – – 14 –
XR-5W497RB
2-3. BLOCK DIAGRAM —TUNER SECTION —
R-CH
J101
(ANTENNA)
2
1
16
12
14
13
19
20
18
AM ANT
FM ANT
8FM +B
9+B
10 AM +B
L CH
R CH
AM DET
AM IF
SEEK
S-METER
SD
5
VT
22
ST-IND
11
AM IFC
21
FM IFC
6
VCO
4
DX/LO
15
WID/NAR
23
FM DET
24
FORCED
WID/NAR
TUNER UNIT
TU101
R-CH
IC581
31
IC561
12 8
IC521
3
21
Q571
Q140
3 9
16
AM NOISE
CANCEL
IC141
1 7
3
2 4
5
SOURCE SELECT
IC511
R-CH
ISO701 (1/5)
11
19
20
7
12
11
12 13
15
14
9 10
SOURCE SELECT
IC531
TAPE
SECTION
ATAPE L
AUDIO L
DSP
SECTION
B
BATT H
CHECK
Q253
BATT L
CHECK
Q251,252
5V REG
Q803
POWER
CONTROL
Q801,802
RESET
IC802
POWER
CONTROL
Q804,805
POWER
CONTROL
Q236,237
BATT
D252
D251
Q254
2 1
VDD B
VDD A
1623
14
17
43
18
TU MUTE
69 SEEK
56
57
55
S-METER (AM)
S-METER (FM)
MULTI PATH
SD
B/U DOWN
RESET
VDD
P-ON
WAKU-UP
BUSY
44
CLK
45
D-IN
46
D-OUT
CE
D IN
CLK
D OUT
XOUT
X IN
15
GALA
53
S-CONTACT
65
PDWN
AOUT
XT
XT
SAS SAS
TAS
SAD
CS
DOUT
DIN
WE
RWCK
TAS
SADX
CSI
D IN/OUT
WE
RWCK
66
RESET
80
WR
1
RD
79
CE
D0-3
3-6
VDD D
VDD A VDD C
MUTE
CONTROL
Q573,574
S-METER
CONTROL
Q171,172
38
CE
73
DO
75
CLK
74
DI
AOUT
MONO/STE
AM IF
FM IF 76
RV171
S-METER
SUB SYSTEM CONTROL
IC201 (1/2)
WID/NAR 1
WID/NAR 2
77
78
SYNC
52
ID
51
D IN
50
CLK
62
D OUT
63
CE
61
SYR
64
ANT ON
24
FM MS
72
NOISE ON
67
NOISE DET
54
2
3
4
5
22
9
13
14
FM OSC
17
AM OSC
16
DX/ILO
11
WID/NAR
8
1
24
FM ON
12
AM ON
11
MPX SYNC
ID
DO
CL
DI
CE
SYR
XO
XI
X120
7.2MHz
X210
4.332MHz
WID/NAR
CONTROL
Q151,152
Q161
POWER
CONTROL
Q101
POWER
CONTROL
Q103
FM 8.5V
AM 8.5V
TU8.5V
8.5V REG
Q130 VT +B
POWER
CONTROL
Q136,137
ANT +B
TU +B
RDS MODULATOR
IC210
2 18
19
20
21
22
23
24
12
13
NOISE
DET
IC181
5 1
APS
IC303
1 5
Q181
RDS
4
35
53
54
55
56
26
1-4
18
47
48
36
37
39
40
44
46
50
TIM CONTROL
IC301
X301
4.195MHz
22
18
23
17
15
11
16
2
TIR DEMOD
IC302
BATT
VDD B
VDD A
31
15
17
72
73 99
70
69 MAIN 1
MAIN 2
SUB 2
SUB 1
B/U CHECK
RESET
VDD P-ON
65 WAKU-UP
74 BUSY
66 CLK
68 D-OUT
67 D-IN
82 GALA
18 S-CONTACT
AUSEL
DET
16
S-REMOTE
58
ANT OPEN
98
HOLD
39
TEL MUTE
19
KLINE/TEL
37
RX
38
TX
88
MODE
26
ILL DUTY
SAFE
CONTROL
Q861-863
TEL MUTE
DET
Q785,786
SECURITY
TX
Q827-829
POWER
CONTROL
Q825,826
ILLMI
DET
Q901
GALA
Q703
S-
CONTACT
Q714
LED
DRIVE
Q31,32
ANT SHORT
DET
Q135
57
ANT OPEN
ANT OPEN
DET
Q131-134
SAFE DET
IC841
Q815
1 2
BATT
F701 35
33
+B
SAFE
30
TEL-MUTE
31
K-LINE
29
GALA
34
ILLUMI
32
S-CONTACT
SAFE
SYSTEM CONTROL
IC801 (1/2)
1
4
RX
TX
6
K-LINE
ISO701 (2/5)
ILL DUTY
DSP
SECTION
C
Q902
Q906
BATT
BATT
D812
D31-51, 53-56
(KEY BACK LIGHT)
S-REMOTE
CDC-L
CDC-R
TEL (+)
TEL (–)
04
FM 8.5V
TU 8.5V
AM 8.5V
S-
REMOTE
Q705
PLL
IC211
PWN
D0-3
RESET
WR
RD
CE
LIN
D802
Signal path
: FM
: AM
: CD
K-LINE
IC821

– 15 – – 16 –
XR-5W497RB
2-4. BLOCK DIAGRAM — DSP SECTION —
21
7
LINE
AMP
IC602
TUNER
SECTION
B
AUDIO L ADC DAC
DSP
FL
DAC RL
92
93
36
30
29
35
5 6 34 37 33 26 27
84
81
PD RESET SI SO SCLK
X601
16.9344MHz
LPF
IC606
3 1
LPF
IC604
3 1
AUDIO DSP
IC603
20
8 7 9
15
VOL
VOL
DATA CE CLK
DATA
CE
CLK
8 7 9
20 15
ELECTRONIC VOLUME
IC605
ELECTRONIC VOLUME
IC606
Q711
Q761
MUTE
CONTROL
Q781,782 DIAG
CONTROL
Q971,972
AMP MODE
CONTROL
Q960-964
AMP
IC721
DIAGNOSTIC
DETECT
IC301,302
56
SYSTEM CONTROL
IC801 (2/2)
AUDIO MUTE
34
BEEP DA
78
AMP DIAG
81
AMP MODE
29
SP RL OPEN
64
SP(R) SHORT
61
SP(F) SHORT
63
SP(R) CLIP
60
SP(F) CLIP
27
SP FL OPEN
43
CLK
42
DO
41
ENO
22
ENI
EXAMP ON
DAR
52
CLK
53
CE
55
DAF
54
SCLK
48
DIN
46
DOUT
47
RST
51
PD
35
WRDY
45
CS
44
WRQ
50
DRDY
49
ILLUMI ON
89
ROT A
92
ROT B
93
ON-KEY
20
TP-KEY
86
TIM/EJ
21
TIM-KEY
85
EJ-KEY
84
KEY-REQ
1
LCD ON
5
CE
6
DATA
7
CLK
8
80
EXAMP NG 76
P-ON 32
+B-AD 25
AUDIO ON 79
X2 10
X1 11
DSP
3 1
2
AMP
IC771
3 1
2
Q973
Q975
MODE
1
11
4
6
12
DIAG
POWER AMP
IC901
MODE
1
11
4
6
12
DIAG
POWER AMP
IC902 IC941
3
1
1
IC921
3
2ND DISPLAY
Q707
Q701
POWER
CONTROL
Q810,811
EXT AMP
CHECK
Q816
+B DET
D819
BATT
BATT
BATT
BATT
D815
9V REG
IC811
1 2
45V REG
Q808
POWER
CONTROL
Q806,807
S9V
S5V
AUD +B
D816
X801
4.915MHz
S1S2S3
(ON)RE1
(ROTARY ENCODER)
TP
SET
TIM
(EJECT)
KEY-REQ
LCD OFF
STB
DATA
SCK
LCD1
LCD DRIVER
IC1
LCD1
LIQUID CRYSTAL
DISPLAY PANEL
KEY-IN
MATRIX
S4-25, 27
16
14
19
18
17
93-10032-9026-31
22-25
COM
0-7
SEG
7-65
SEG
1-6
KEY 1-4
D20-29
(LCD BACKLIGHT)
LED
DRIVE
Q21,22
LED
CONTROL
Q905
ILL DUTY
TUNER
SECTION
C
25
24 FL (+)
FL (–)
23
24 FR (+)
FR (–)
ISO701 (4/5)
R-CH
R-CH
21
22 RR (+)
RR (–)
27
28 RL (+)
RL (–)
8
DOUT
CLK
9
10 CE
4FL
3FR
1RL
RR
AMP-REM
2
6
SPEAKER
R-CH
R-CH
2ND
DISPLAY
LINE OUT
ISO701 (5/5)
Q821
Q706
Q705
DIAG
DET
Q941
DIAG
DET
Q921
04
DRDY
WRQ
CS
WRDY
Signal path
: FM

– 46 –
• IC Block Diagrams
IC141 HA12181FP
IC210 LC72720M
IC531 MC14052B
IC821 L9637D
IF
AMP LPF
IF AGC
DETECTOR
PULSE
DETECTOR
HPF1 LPF AF
AMP AF
AGC
OR
HPF
NOISE
AGC
PULSE
DETECT
1
PULSE
DETECT
2
GATE PULSE
GENERATOR
REFERENCE
CURRENT
CIRCUIT
SW2
SW1
REFERENCE
VOLTAGE
CIRCUIT
PHASE
CURRENT
LEVEL
DIFFERENCE
DETECTION SW3
HIGH PASS AMP
(WAVEFORM COMP.) SW4
REFERENCE
CURRENT CIRCUIT
(WAVEFORM COMP.) SW5
BUFFER
AMP
11 10 9
12
14 13
15
16
124 5
36 7 8
GATE PULSE 2
GATE PULSE 1
VCC
GND
IFAGC
BIAS1
AF-IN
BIAS2
PHASE
HOLD
GND
HP
IF-IN AFAGC IFDET VCC VTH GATE WF AFOUT
SYR
CE
DI
DO
CL
RDS-ID
SYNC
T7
T6
VSSD
VDDD
XIN
ANTIALIASING
FILTER
57KHz
BPF
(SCF)
PLL
(57KHz) CLOCK
RECOVERY
(1187.5Hz)
OSC/DIVIDER
DATA
DECODER
SYNC
DETECT-1 SYNC DETECT-2
CCB
RAM
(24 BLOCK DATA)
MEMORY CONTROL
SYNC/EC CONTROLLER
ERROR CORRECTION
(SOFT DECISION)
SMOOTHING
FILTER
TEST
CLK(4.332MHz)
VREF
VREF
MPXIN
VDDA
VSSA
FLOUT
CIN
T1
T2
T3
T4
T5
XOUT
2
3
4
5
6
7
8
9
10
11
12
1
22
23
24
21
20
19
18
17
16
13
15
14
+
–
REFRENCE
VOLTAGE
1234
5
6
7
8
1.75V
DRIVER DRIVER
DRIVER
RX
TX
VCC
LO LI
GND
K
VS
+ – + –
+ –
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

– 47 –
IC121 LC72146M
IC561 TA2050F
REGISTER
1
XOUT
2
CE
3
DI
4
CLK
5
DO
6
7
8
WIDNARW
9
MONO STE
10
DX.LO
11
AM.ON
12
FM.ON
24 XIN
23 VSS
22 AOUT
21 AIN
20 PD0
19 PD1
18 VSS
17 FM.OSC
16 AM.OSC
15 VDD
14 FM.IF
13 AM.IF
CCB
I/F
REFERENCE
DIVIDER
DATA SHIFT
LATCH
PHASE DETECTOR
CHARGE PGMP
12BITS PROGRAMMABLE
DIVIDER
SWALLOW COUNTER
1/16,1/17 4BITS
POWER ON
RESET
UNIVERSAL
COUNTER
16
N.C
15
R-IN (
–
)
14
N.C
13
R-IN (
+
)
12
L-IN (
+
)
11
N.C
10
L-IN (
–
)
9
N.C
+
–
+
–
1
R-OUT
2
VREF
3
N.C
4
GND
5
N.C
6
VCC
7
N.C
8
L-OUT
V REF

– 48 –
IC241 S-24C04AFJA
IC301 MSM6688GS-2K
5
6SDA
8VCC
SCL
7TEST
START/STOP
LOAD
LOAD
R/W
INC
COMP
DIN
DOUT
DETECTION CIRCUIT
HIGH VOLTAGE
GENERATOR
SERIAL
CLOCK
CONTROL
CIRCUIT
DEVICE ADDRESS
COMPARATOR
Y
DECODER
ADDRESS
COUNTER
DATA REGISTER
SELECTOR
X DECODER
DATA OUTPUT
ACKNOWLEDGE
OUTPUT
CONTROL CIRCUIT
EEPROM
1
2
3
A0
A1
A2
4GND
1
2
3
4
42
41
40
39
38
37
36
32
31
30
29
35
34
33
5
6
7
8
9
10
12
13
14
11
15 16 17 18 19 20 21 22 23 24 25 26 27 28
43444547484950
5253545556 51 46
MCU I/F
STATUS
REGISTER
TEST
CIRCUIT
12BIT
ADC LPF
12BIT
DAC
+
-
+
-
SG
CIRCUIT
ADDRESS
CONTROLLER
ADPCM
ANALYZER/
SYNTHESIZER
TIMING
CONTROLLER OSC DATA I/O
REGISTER
CONTROLLER
D0
D1
D2
D3
BUSY
RPM
VPM
TEST
TEST
TEST
TEST
MCUM
CE
ACON
CS3
CS2
CS1
SADX
SADY
PDWN
TEST
AGND
RSEL2
RSEL1
DGND
TEST
TEST ADIN
FOUT
AOUT
FIN
AMON
DVDD
AVDD
SG
SGC
LOUT
LINE
MOUT
MIN
CE WR RD RESET NAR RWCK DVDD XT XT WE DROM DI/0 CS4
TAS
SAS
MON

– 49 –
20 19 18 17 16 15 14 13 12 11
1 2 3 4 5 6 7 8 910
1dB STEP
VOLUME
8dB STEP
VOLUME
1dB STEP
VOLUME
8dB STEP
VOLUME
VCT
BUFFER
LATCH
SHIFT
REGISTER
LATCH
CONTROL ZC DET
+
–
+
–
INP 1
INN 1
VCT 1
INAO 1
VRIN 1
OUT 1
N.C.
GND
VCT
VCC
INP 2
INN 2
VCT 2
INAO 2
VRIN 2
OUT 2
CE
DATA
CLK
INIT
TIMING
GENERATOR
8,388,608DATA
REGISTER
COLUMN DECODER
COLUMN ADDRESS
COUNTER
ROW
DECODER
ADDRESS
MULTIPLEXER
REFRESH ADDRESS
COUNTER
ROW ADDRESS
COUNTER
ROW ADDRESS
REGISTER
REFRESH TIMER
I/O CONTROL
WRITE CLOCK
GENERATOR
2
3
4
5
11
12
13
10
9
125
24
23
22
18
17
16
15
14
26
TEST
RWCK
NC
TEST
TEST
TEST
TEST
DIN
NC
VSS
VCC
RS/A
RFSH
SAD
SAS
TAS
CS
WE
DOUT
NC
+
–
+
–
+
–
43
EQ-OUT
44
EQ-OUT-M 120/70
120/70
45
NFI (L)
46
RIN (L) F/R
T/R
T/R
F/R
47
VREF (L)
48
FIN (L)
49
GND
50
GND
51
FIN (R)
52
VREF (R)
53
RIN (R)
54
NFI (R)
55
EQ-OUT-M
56
EQ-OUT
28 NOI
27 MS-GND
26 MA-OUT
25 MSI
24 MS-DET
23 MS-VCC
22 VCC
21 MS-OUT
MS AMP
20 D-GND
19 MS-GV
18 R/F
17 70U/120U
16 RADIO/TAPE
15
42
N.C
41
TAI (L)
40
RIP
39
RAI (L)
38
N.C
37
PB-OUT (L)
36
N.C
35
N.C
34
N.C
33
NR-DET (L)
32
N.C
31 30
MS-VREF
29
FFI
1
N.C
2
TAI (R)
3
BIAS
4
RAI (R)
5
N.C
6
PB-OUT (R)
7
N.C
8
N.C
9
N.C
10
NR-DET (R)
11
N.C
12 13
N.C
14
ON/OFF
DET
DOLBY B NR (L)
DOLBY B NR (R)
LPF
+
–
IC302 MSM6684JSDR1 IC605, 607 CXA1846N
IC401 HA12164

– 50 –
81
NC 82
83
84
VRDAL 85
DZF2 76
DXF1 77
NC 78
AVB 79
A-OUT-R2
A-OUT-L2
A-OUT-R1
A-OUT-L1
80
AVSS
AVDD
VRDAH
NC
AINR-
86
87
88
89
90
91
92
93
94
VCOM
AVDD
VRADH 97
98
99
AVB
100
NC
VRADL
AVSS 95
96
27
26
28
29
30
31
32
33
35
34
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
63 626566 64 61 60 59 58 57 56 55 54 53 52 51
1 2 3 4 5 6 7 8 9 10 11 12 13
SDOUT2
DVB
DVB
SDIN2
SDAD
TESTI1
TESTIO1
TESTI2
TESTIO3
OPCL
PDDA PDAD
PD
RESET
SDDA
SDDA2
14 15 16
SDOUT3
17
SDOUT1
18
SDIN1
19
SMODE
20
BCLK
21
LRCK
22
CLKO
23
DVDD
24
DVSS
25
75 74 73 72 71 70 69 68 67
ADC
SDATA
LRCK
BCLK
MCLK
VREFL
DZF
VREFH
AOUTR
AOUTL DADC2
A0
WE
RASCE
CASRF
SO
DRDY
RDY
SI
SCLK
RQ
CS
A1
A2
A3
A4
A5
A6
A7
A0
SDOUT2
SDIN2
SDOUT3
WE
RASCE
CASRF
SO
DRDY
RDY
SI
SCLK
XTI
XTO
DVDD
CS
WRQ
DVSS
DVDD
A1
A2
A3
A4
A5
A6
A7
DVSS
DVDD
A16 A15 A14 A13 A12 A11 A10 A9 I07 DVSS DVDD DZFSET DVSS DVDD DVB DVB I06 I05 I04 I03 I02 I00 I01
I07 I06 I05 I04 I03 I02 I00 I01
A8
A16 A15 A14 A13 A12 A11 A10
A9 A8
DSP
XTI
XTO
BCLK
SDOUT1 SDIN1 SMODE MCLK BCLK LRCK
CKLO LRCK
DSPCLK
AD/DACLK
Divider
DAC1
SDATA
LRCK
BCLK
MCLK
SDATA
LRCK
BCLK
MCLK
VREFL
VREFL
AINL+
AINL-
AINR+
AINL+
AINL-
AINR+ AINR-
DZF
VREFH
VREFH
AOUTR
AOUTL
INVERT
AMP NON-INVERT AMP
POWER
STAGE POWER STAGE
1234 5 678910
INVERT
AMP
MUTE
CONTROL
CIRCUIT
DIAGNOSTIC
CIRCUIT
POWER
STAGE
MUTE
SWITCH
VP
STANDBY
SWITCH
IN-1
GND-1
OUT-1 (+)
VP1
S-GND
VP2
11
MODE
12
V-DIAG
13
IN-2
OUT-2 (+)
GND-2
OUT-2 (–)
OUT-1 (–)
NON-INVERT
AMP
POWER
STAGE
+ –
IC603 AK7712A
IC901, 902 TDA8563AQ