Sony ZS-BT1 Service Manual ▷ View online
ZS-BT1
33
33
ZS-BT1
•
Waveforms
– CD Board –
– TU Board –
– MAIN Board –
1
IC701
9
(FEO)
(CD play mode)
100 mV/DIV, 500 ns/DIV
Approx.
170 mVp-p
170 mVp-p
3
IC701
rk
(TEO)
(CD play mode)
100 mV/DIV, 500 ns/DIV
Approx.
110 mVp-p
110 mVp-p
2
IC701
ek
(XO)
1 V/DIV, 20 ns/DIV
59.1 ns
3.4 Vp-p
qa
IC2
w;
(XOUT)
500 mV/DIV, 5
µ
s/DIV
13.3
µ
s
0.9 Vp-p
ra
IC803
is
(X0)
2 V/DIV, 100 ns/DIV
182 ns
4.2 Vp-p
ea
IC402
ta
(OSC2)
62.8
µ
s
3.2 Vp-p
1 V/DIV, 10
µ
s/DIV
– LCD Board –
ZS-BT1
34
34
ZS-BT1
J901
T901
D903
D902
D904
JW901
JW902
C906
C929
KH903
F902
FH901
C928
D901
C937
FH902
C904
C902
C901
R903
C936
R902
R901
C903
R908
C927
D917
KH905
JW903
JW904
R904
CN904
JW906
JW905
TP904
TP902
B
MAIN
BOARD
CN902
MAIN POWER
TRANSFORMER
1-872-840-
11
(11)
POWER BOARD
~AC IN
TERMINAL (A) BOARD
1-872-845-
11
(11)
TERMINAL (B) BOARD
1-872-846-
11
(11)
A
MAIN BOARD
CN901
TO SHIELD PLATE
(BOTTOM)
DRY BATTERY
SIZE "D"
(IEC DESIGNATION R20)
6PCS. 9V
A
B
C
D
E
F
G
1
2
3
4
5
6
7
8
9
6-18. PRINTED WIRING BOARDS – POWER SUPPLY Section –
: Uses unleaded solder.
•
See Page 19 for Circuit Boards Location.
(Page 27)
(Page 27)
ZS-BT1
35
35
ZS-BT1
TP902
TP904
CN904
C904
D904
C903
D903
C902
D902
D901
C901
C928
D917
R901
C929
C936
R903
R902
C927
C937
R908
KH903
J901
KH905
R904
JW905
JW906
JW903
JW904
F902
T901
C906
2P
0.022
1N4002
0.022
1N4002
0.022
1N4002
1N4002
0.022
0.1
1SS355TE-17
1k
10
50V
0.22
10k
1k
0.22
4700
16V
4.7k
5P
5P
1k
T2AL
250V
250V
100
16V
16V
BATT-M
BATT-M
BATT-M
BATT
GND
GND
BATT
AC HI
VDD
GND
GND
BATT-M
DRY BATTERY
SIZE"D"
(IEC DESIGNATION R20)
6PCS. 9V
TO
SHIELD PLATE
(BOTTOM)
TRANSFORMER
POWER
6-19. SCHEMATIC DIAGRAM – POWER SUPPLY Section –
(Page 28)
(Page 28)
ZS-BT1
36
36
ZS-BT1
– CD Board –
IC701 BU9532KS2
AVDD1
1
DGND
39
XO
38
DVDD
36
XI
37
XPLCK
35
BUSY
32
MONI1
34
MONI0
33
RF SIGNAL
GENERATOR
SERVO
SIGNAL
GENERATOR
DIGITAL
SERVO
FILTER
FILTER
x8 OVER
SAMPLING
DIGITAL
FILTER
1 bit D/A
CONVERTER
APC
AC
BD
VBIAS
E
F
F
2
3
4
5
6
FEN
FEO
FEO
8
9
PKC
7
BTC 10
ASY 13
PD
LD
11
12
PLL
PCO
FCO
14 15
DIGITAL SERVO
SIGNAL
PROCESSOR
FDOUT
JUMPO
17 18
TDOUT
SDIN
19 20
CLK88
LON
23 24
RESETX
31
R/W
30
MCK
27
DOUT
29
DIN
28
CLK
SUBSYQ
25 26
DIGITAL
SIGNAL
PROCESSOR
COMMAND
INTERFACE
INTERFACE
16k SRAM
SDOUT
CLVOUT
21
EQO
52
RFI
CAGC
51 50
TEN
49
TEO
48
AGND2
RDACO
44
AVDD2
40
43
VCDAC
42
LDACO
41
SC
TZCRFM
47 46
RFRPRFM
45
22
AGND1
16
1
2
3
4
5
6
7
8
9
10
11
12
13
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
LEVEL
SHIFT
LEVEL
SHIFT
THERMAL
SHUT-DOWN
REGULATOR
BIAS TRAP
LEVEL
SHIFT
MUTE
LEVEL
SHIFT
D.BUFF
D.BUFF
D.BUFF
GND
IN4
IN4'
BIAS
VCC
VCC
IN3'
IN3
VO3(+)
VO3(–)
VO4(–)
VO4(+)
RESETt
OPIN
VO1(–)
REGB
VO1(+)
IN1
RESET
REGOUT
MUTE
GND
IN2'
IN2
VO2(+)
VO2(–)
GND
OPOUT
D.BUFF
D.BUFF
D.BUFF
D.BUFF
D.BUFF
REGULATOR
VCC
VCC
IC702 BA5826SFP-E2
– TU Board –
IC1 TA2149BN
RF GND
3
2
1
IF REQ
AM
MIX
FM RFIN
AM LOW CUT
5
4
MIX OUT
VCC
AM IF IN
8
7
6
FM IF IN
GND
10
9
AGC
QUAD
12
11
R-OUT
L-OUT
FM RFOUT
22
23
24
20
21
17
18
19
15
16
13
14
AM RFIN
RF VCC
FM OSC
ST LED
OSC OUT
AM OSC
IF REQ
LPF1
MPX IN
DET OUT
LPF2
FM
MIX
FM
OSC
LEVEL
DET
AM
DET
MUTE
FM
DET
ST/MO
FM/AM
AM
OSC
AGC
SW
ST
1/8
BUFF
BUFF
DIVIDE
DECODE
VCO
IF BUFF
AF BUFF
AF
FM RF
AM IF
FM IF
1/1 OR
1/16
– BT Board –
IC903 XC6213B332MR
VIN 1
CE 3
VSS 2
NC
4
VOUT
5
+
–
ON/OFF
CONTROL
CURRENT
LIMIT
VOLTAGE
REFERENCE
IC2 LC72137M-TLM-E
11
10
9
8
7
6
5
4
3
2
1
12
13
14
15
16
19
20
UNLOCK
DETECTOR
POWER ON
RESET
UNIVERSAL
COUNTER
CCB
I/F
CE
DI
CL
DO
XOUT
AOUT
XIN
AIN
PD
VSS
VDD
B04
FMIN
AMIN
B01
B02
B03
I01
I02
IFIN
PHASE
DETECTOR
CHARGE
PUMP
REFERENCE
DIVIDER
SWALLOW
COUNTER
1/16,1/17
4BITS
12BITS
PROGRAMMABLE
DIVIDER
DATA SHIFT REGISTER
LATCH
1/2
17
18
Click on the first or last page to see other ZS-BT1 service manuals if exist.