Schematic Diagram - Power Supply Section - Sony ZS-BTY50 Service Manual

5-17. SCHEMATIC DIAGRAM - POWER SUPPLY Section -

1 2
POWER BOARD
A
CN951
3P
CL951
VH 1
VH_VC
CL952
NC 2
VC 3
CL953
B
CL954
NOT REPLACEABLE:
BUILT IN TRANSFORMER
(BTY50/BTY52)
C
CN954
3P
3
AC
AC_BATT
2
COM
BATT 1
D
E
INLET BOARD
CN962
F
3P
CL961
VH 1
VH_VC
NC 2
CL962
VC 3
CN963
3P
CL963
BATT 1
G CL964
AC_BATT
COM 2
CL965
AC 3
TOTAL CURRENT
RADIO: 135mA
Bluetooth: 122mA
USB: 160mA
AUDIO IN: 116mA
H
BATTERY BOARD
CL991
DRY BATTERY
SIZE "C"
(IEC DESIGNATION R14)
6PCS. 9V
CN992
2P
CL992
BATT– 1
I
BATT– 2
ZS-BTY50/BTY52/BTY55
3 4 5
T951
POWER
F901
TRANSFORMER
T2.5AL
250V
4 5
C955
3
0.022
C951
CL955
0.022
2 7
C952
0.022
1
C956
0.022
C959
0.022
JS952 JS951
(BTY55)
R951 R952 R954
3.3k 3.3k 3.3k
(BTY55)
(BTY50/BTY52)
R955 C954 C958
0 10 10
50V 50V
CL958
CL959
R956
0
CL960
F902
T2AL
250V
CL956
CL957
CN961
5P
- AC IN
(BTY50/BTY52)
CN991
JS991
3P
CL993
1 9V BATTERY
JS992
2 NC
CL994
3 GND
• IC Block Diagrams
6
– MAIN Board –
IC304 R2A15909SP
INPUT
SELECTOR
INR1 1
INR2 2
INR3 3
INR4 4
INR5 5
DIFFR 6 +
–
DIFFG 7
–
DIFFL 8 +
INPUT
SELECTOR
INL5 9
INL4 10
INL3 11
CN953
J
3P
INL2 12
1 VDD
MAIN INL1 13
2 GND
BOARD
(2/3)
3 AC IN
AGND 14
CN901
(Page 41)
REFERENCE
REFIN 15
CN952 VOLTAGE
3P
1 9V BATTERY
VCC 16
2 NC
3 GND
IC306 BA5417
BS
1 2 3 4 5
(BTY55)
CHARGE
P
BOARD
CN1001
(Page 49)
51 51
32
31
MODE
SELECTOR
SURROUND
30
TONE CONTROL
29
Rch BASS/TREBLE
28
27
TONE CONTROL
26
Lch BASS/TREBLE
25
24
VOLUME
INPUT GAIN
23
CONTROL
MUTE
22
VOLUME
INPUT GAIN
21
CONTROL
MUTE 20
19
I2C
INTERFACE
18
DEPOP 17
IC901, 902 S-T111B33MC-OGSTFG
T.S.D.
+ +
ON/OFF
– –
STANDBY
FILTER
BS
6 7 8 9 10 11 12 13 14 15
VSS
NC
ZS-BTY50/BTY52/BTY55
ROUT
LOUT
BASSR2
BASSR1
TRER
TREL
BASSL1
BASSL2
VOLINR
IGOUTR
VOLINL
IGOUTL
DGND
SDA
SCL
CEXT
5
VIN
4 VOUT
1
OVER CURRENT
PROTECTOR
REFERENCE
ON/OFF
CIRCUIT VOLTAGE CIRCUIT
2
3