Sony ZS-RS70BT / ZS-RS70BTB Service Manual ▷ View online
ZS-RS70BT/RS70BTB
ZS-RS70BT/RS70BTB
25
25
SECTION 4
ELECTRICAL CHECKS
TUNER SECTION
0 dB = 1 V
[AM] (RS70BT only)
Setting:
Function: RADIO
Band: AM
Setting:
Function: RADIO
Band: AM
AM RF signal
generator
30% amplitude
modulation by
400 Hz signal
Output level:
as low as possible
modulation by
400 Hz signal
Output level:
as low as possible
Put the lead-wire
antenna close to
the unit.
antenna close to
the unit.
JACK board
i
jack (J301)
unit
+
í
í
level meter
32
:
[FM]
Setting:
Function: RADIO
Band: FM
Setting:
Function: RADIO
Band: FM
FM RF signal
generator
75 kHz frequency
deviation by
1 kHz signal
Output level:
as low as possible
deviation by
1 kHz signal
Output level:
as low as possible
JACK board
i
jack (J301)
unit
0.01
PF
+
í
í
level meter
TUNER board (RS70BT):
FM test point (Not print) (GND)
DAB board (RS70BTB):
FM test point 2 (Not print) (GND)
FM test point (Not print) (GND)
DAB board (RS70BTB):
FM test point 2 (Not print) (GND)
32
:
TUNER board (RS70BT):
TP1
DAB board (RS70BTB):
FM test point 1(Not print)
TP1
DAB board (RS70BTB):
FM test point 1(Not print)
Note:
Perform FM frequency coverage check after removing FM tele-
scopic antenna (ANT1).
no mark: E41, BR, UAE, SP5, TW, TH, CET and RU models
( ): E92 and MX models
AM FREQUENCY COVERAGE CHECK
Check that reading on level meter is the maximum
Confi rmation
531 (530) kHz
Confi rmation
1,602 (1,710) kHz
FM FREQUENCY COVERAGE CHECK
Check that reading on level meter is the maximum
Confi rmation
87.5 MHz
Confi rmation
108 MHz
• Abbreviation
BR
BR
: Brazilian model
CET
: East European model (Except Russian model)
E41
: Bolivian, Chilean, Paraguayan, Peruvian and
Uruguayan models
E92
: Venezuelan, Panamanian, Honduran, Guatemalan,
Colombian, Costa Ri-ca, Dominican, Ecuadorean and
El Salvador models
MX
: Mexican model
RU
: Russian model
SP5
: Singapore, Malaysia and Indian models
TH :
Thai
model
TW :
Taiwan
model
UAE : United Arab Emirates model
CD SECTION
Note:
1. CD block is basically constructed to operate without adjustment.
2. Use YEDS-18 disc (Part No. 3-702-101-01) unless otherwise indicat-
1. CD block is basically constructed to operate without adjustment.
2. Use YEDS-18 disc (Part No. 3-702-101-01) unless otherwise indicat-
ed.
3. Use an oscilloscope with more than 10 M
impedance.
4. Clean the object lens by an applicator with neutral detergent when the
signal level is low than specifi ed value with the following checks.
5. Check the focus bias check when optical pick-up block is replaced.
FOCUS BIAS CHECK
+
–
–
CD board
TP (RFOUT)
TP (VC)
TP (VC)
oscilloscope
Procedure:
1. Connect the oscilloscope to TP (RFOUT) and TP (VC) on the
1. Connect the oscilloscope to TP (RFOUT) and TP (VC) on the
CD board.
2. In the standby state, press the [POWER] (Except AEP, East
European, Russian and UK models)/[OPERATE] (AEP, East
European, Russian and UK models) button to turn the power
on.
European, Russian and UK models) button to turn the power
on.
3. Press the [CD] button to turn the CD function.
4. Set the disc (YEDS-18) and press the [MANUAL PRESET
4. Set the disc (YEDS-18) and press the [MANUAL PRESET
u
] button to playback.
5. Confi rm that oscilloscope waveform is as shown in the fi gure
below. (eye pattern)
A good eye pattern means that the diamond shape (
) in the
center of the waveform can be clearly distinguished.
VOLT/DIV: 200 mV
TIME/DIV: 500 ns
TIME/DIV: 500 ns
level: 1.0 ± 0.5 Vp-p
Connection Location:
TP
(VC)
TP
(RFOUT)
– CD Board (Conductor Side) –
R728
C719
C721
R732
C759
R701
C702
1
20
80
21
C754
X701
C703
C709
C710
C708
C701
C704
C715
C712
C714
C71
1
R724
C716
R719
R717
R721
R723
R533
E C B
Q701
R534
TP
(VC)
TP
(RFOUT)
Connection Location:
TP1
FM test point
(GND)
– DAB Board (Component Side) (RS70BTB) –
– TUNER Board (Conductor Side) (RS70BT) –
TP1
C5
C2
C1
C6
1
R13
R1
R2
L1
C10
D3
FM
test point
(GND)
FM
test point 2
(GND)
FM
test point 1
DAB module
Ver. 1.3
ZS-RS70BT/RS70BTB
ZS-RS70BT/RS70BTB
26
26
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM - CD/USB Section -
OPTICAL PICK-UP BLOCK
(EM101RNSZS or EM101VBZS)
A
B
C
D
E
F
MD
LD
AUTOMATIC
POWER CONTROL
Q701
18 LDO
22 FDO
23 TDO
24 SLDO
25 SPDO
F+
2
3
F+
F–
1 F–
T+
11 T+
T–
12 T–
18 SL+
17 SL–
17 SL–
26 SP+
27 SP–
27 SP–
14 F IN
19 LDS
VC
11 VREF
32 CONT3
13 E IN
8 D IN
6 C IN
7 B IN
5 A IN
1 EFMIN
17 TEIN
R-CH
IN1
2
RFOUT
16
TE
76
LCHO
78
RCHO
31 STDATAO
56
SDATA
33 STCKO
D+
D–
55
STCK
46 STREQ0
54
STREQ
UHD+
26
38
UHD– 37
USB-SLEEP 47
RES 2
6
UTX1 45
URX1 44
SDAT
64
PCMDATA
27 BCLK
63
PCMBCK
28 LRCK
62
PCMLRSY
32 PCMREQ
65
PCMREQ
10 SI
46
D DO
9 SO
45
D DI
11 SCK
44
D CL
15 CE
4 I-CD-DI
91 USB-TXD
92 USB-RXD
100 O-USB SLEEP
1 O-USB RES
3 O-CD-DO
5 O-CD-CLK
7 O-CD CE
6 O-CD RES
5 O-CD-CLK
7 O-CD CE
6 O-CD RES
43
D CE
47
D RESB
9
IN2’
20
IN3’
24
IN4’
23
BIAS
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC703
2 M-MUTE
7
MUTE
J1001
X702
12MHz
CF1
7
CF2
73
X701
16.9344MHz
XIN
72
XOUT
SYSTEM CONTROLLER
IC801 (1/3)
A
CD L
CD-MP3 PROCESSOR
IC701
: USB
: CD PLAY
SIGNAL PATH
R-ch is omitted due to same as L-ch.
S701
(LIMIT)
M702
(SLED)
M701
(SPINDLE)
M
M
M
M
USB CONTROLLER
IC702
(Page 27)
Ver. 1.4
ZS-RS70BT/RS70BTB
ZS-RS70BT/RS70BTB
27
27
5-2. BLOCK DIAGRAM - MAIN Section -
FM/AM RECEIVER
IC1
56
O-IIC CLK
6 SCL
58
O-IIC DATA
39
O-A MUTE
5 SDA
1 IV L CD
5 IN L AU
13 R2 VOLIN L
9 IN L TU
INPUT SELECTOR, ELECTRICAL VOLUME
IC302
4
INT
15
RST
17
SCLK
18
SDIO
23
ROUT
24
LOUT
12
ICOUT L
19
X1
32.768kHz
RCLK
3
DCLK
15
X801
10MHz
CF1
19
O-CLOCK SHIFT
2
16
CF2
SYSTEM CONTROLLER
IC801 (2/3)
: AUDIO IN
: CD PLAY
: DAB/FM
: AM
SIGNAL PATH
R-ch is omitted due to same as L-ch.
: Bluetooth
A
CD L
3 IN LC
27 CLK
28 DATA
R-CH
R-CH
R-CH
AUDIO IN
J351
ANT1
FM TELESCOPIC
ANTENNA
L6
AM BAR
ANTENNA
ANT1
FM TELESCOPIC
ANTENNA
8 FMI
12 AMI
60 O-TU-DATA
62 O-TU-CLK
62 O-TU-CLK
93 BT-TXD
94 BT-RXD
94 BT-RXD
93 DAB (BT) -TXD
94 DAB (BT) -RXD
94 DAB (BT) -RXD
29 I-TU-INT
46 O-RA-RESET
78 O-BT-CTS
77 I-BT-RTS
76 I-BT-MUTE
75 O-BT RESET
77 I-BT-RTS
76 I-BT-MUTE
75 O-BT RESET
79 O-UART-SW
10
O-BUZZER
65
O-VOL-DATA
66
O-VOL-CLK
MUTING
Q101
SWITCHING
Q303, 304
44
I-AUDIO IN-CHECK
20
AU-LEVEL DET
B
STBY
25
L OUT
Q801, 802
CLOCK SHIFT
18
O-CLOCK SHIFT
1
Q801
Q802
EEPROM
IC802
POWER AMP
IC304
+
R-CH
J301
i
SP101
(L-CH)
(L-CH)
SP201
(R-CH)
Bluetooth
MODULE
MODULE
LO+P
LO+N
RO+P
RO+N
UART_TX
UART_RX
UART_RTS
UART_CTS
RESET
MUTE
LINE AMP
IC402
R-CH
R-CH
R-CH
DAB1
DAB MODULE
(DAB TUNER)
AUD L
AUD R
POR N
SIN (RX)
SOUT (TX)
LINE AMP
IC371
R-CH
11
A
15
Y
DATA SELECTOR
IC401
14
X
12 X0
2 Y0
13 X1
1 Y1
10
B
AUDIO INPUT
DETECT
IC303
AUDIO LEVEL
DETECT
IC305
R-CH
R-CH
R-CH
(RS70BTB)
(RS70BT)
(RS70BT)
(RS70BTB)
(RS70BT: CET, RU/RS70BTB)
(RS70BT)
+
18
BASS L2
17
BASS L1
BASS BOOST
SWITCH
Q301
Abbreviation
: East European model (Except Russian model)
CET
: Russian model
RU
(Page 28)
(Page 26)
Ver. 1.1
ZS-RS70BT/RS70BTB
ZS-RS70BT/RS70BTB
28
28
5-3. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
23 I-KEY0
28 I-WAKE UP
S601 – 606
(FRONT PANEL KEYS)
24 I-KEY1
S607 – 613
(FRONT PANEL KEYS)
25 I-KEY2
S614 – 620
(FRONT PANEL KEYS)
45 I-CD LID
SYSTEM CONTROLLER
IC801 (3/3)
WAKE UP
SWITCH
Q806
CD LID
OPEN/CLOSE
DETECT
D803
D802
S801
B
STBY
11
I-RES
98
I-SW FLG
+3.3V
REGULATOR
IC803
99
O-SW EN
42
O-5V-ON
SWITCHING
REGULATOR
IC901
RESET SIGNAL
GENERATOR
IC804
B+ SWITCH
Q807 – 809
40
O-POWER
VBUS SWITCH
IC704
30
O-BT-ON
POWER
CONTROL
Q901 – 903
SYSTEM +3.3V
31
AMP ON
VBUS +5V
CD +3.3V
21
I-REG3.3V-CHK
13
I-REG9.0V-CHK
22
I-REG6.0V-CHK
+3.3V
REGULATOR
Q905
+6V
+6V
REGULATOR
Q904
~ AC IN
J981
F982
F983
RECT
D981 – 984
DRY BATTERY
SIZE “C”
(IEC DESIGNATION R14)
6PCS. 9V
T981
POWER
TARANSFORMER
BT +3.3V
+3.3V
REGULATOR
IC904
43
O-TU-ON
TU +3.3V
+3.3V
REGULATOR
IC905
43
O-DAB-ON
DAB +3.3V
+3.3V
REGULATOR
IC905
DAB +1.2V
+1.2V
REGULATOR
IC906
B+ SWITCH
Q906, 907
D609
OPR/BATT
AC VOLTAGE
DETECT
Q803
27
I-AC CHECK
POWER AMP VCC
35 O-LED-W-C
87 O-LED-W
88 O-LED-B
38 O-LED-SW
36 O-LED-RED1
37 O-LED-RED2
LED DRIVE
Q605, 606
LED DRIVE
Q601, 602
LED BRIGHTNESS
CONTROL
Q607, 608
LED BRIGHTNESS
CONTROL
Q609, 610
LED DRIVE
Q611, 612
47 O-LCD-DATA
48 O-LCD-WR
48 O-LCD-WR
LCD601
LIQUID
CRYSTAL
DISPLAY
3
WR
4
DATA
1
CS
49 O-LCD-CS
26 I-NFC
LIQUID CRYSTAL
DISPLAY DRIVER
DISPLAY DRIVER
IC601
SEG0 –
SEG31
SEG31
COM1 –
COM4
COM4
NFC
DETECT
Q613, 804, 805
(RS70BTB)
(RS70BT)
LED
ADJUSTMENT
Q603, 604
F981
(RS70BT: BR)
120 – 127V
220 – 230V
VOLTAGE
SELECTOR
S991
(Except RS70BT: BR)
Abbreviation
: Brazilian model
BR
D606
D604
D605
D602
D603
RC-S711
(NFC MODULE)
ILLUMINATION
(WHT)
ILLUMINATION
(BLU)
ILLUMINATION
(BLU)
ILLUMINATION
(RED)
ILLUMINATION
(RED)
(Page 27)
Ver. 1.1
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