ZS-BTY50/BTY52/BTY55
ZS-BTY50/BTY52/BTY55
51
51
5-17. SCHEMATIC DIAGRAM - POWER SUPPLY Section -
TOTAL CURRENT
RADIO: 135mA
Bluetooth: 122mA
USB: 160mA
AUDIO IN: 116mA
T951
2
4
7
5
1
3
1N5401-C352
D951
1N5401-C352
D953
1N5401-C352
D952
1N5401-C352
D954
0.022
C951
0.022
C955
0.022
C952
0.022
C956
50V
10
C954
CL960
CL959
CL958
CL957
JS951
JS952
1
2
3
3P
CN953
VDD
GND
AC IN
CL956
1
3
3P
CN952
9V BATTERY
2
NC
GND
CL951
CL954
CL953
CL952
CL955
50V
10
C958
1
2
3
3P
CN954
BATT
COM
AC
1N5401-C352
D955
R955
0
R956
0
1
3
3P
CN951
VH
2
NC
VC
0.022
C959
R951
3.3k
R952
3.3k
R954
3.3k
1
2
3
3P
CN963
BATT
COM
AC
1
3
3P
CN962
VH
2
NC
VC
CL965
CL964
CL963
CL962
CL961
CL994
JS992
JS991
1
2
3
3P
CN991
9V BATTERY
NC
GND
CL992
CL991
CL993
1
2
2P
CN992
BATT–
BATT–
F901
250V
T2.5AL
T2AL
250V
F902
POWER BOARD
INLET BOARD
-
AC IN
5P
CN961
BATTERY BOARD
TRANSFORMER
POWER
BUILT IN TRANSFORMER
NOT REPLACEABLE:
AC_BATT
VH_VC
VH_VC
AC_BATT
DRY BATTERY
SIZE "C"
(IEC DESIGNATION R14)
6PCS. 9V
(BTY50/BTY52)
(BTY50/BTY52)
(BTY55)
(BTY50/BTY52)
(BTY55)
F
G
2
4
A
C
E
B
5
6
3
1
D
(BTY55)
H
I
• IC Block Diagrams
– MAIN Board –
IC304 R2A15909SP
INR1 1
INPUT
SELECTOR
REFERENCE
VOLTAGE
CEXT
IGOUTL
17
DGND
20
DEPOP
SURROUND
MODE
SELECTOR
21
VOLINL
22
INPUT GAIN
CONTROL
SCL
18
SDA
19
I2C
INTERFACE
INR2 2
INR3 3
INR4 4
INR5 5
DIFFR 6
DIFFL 8
DIFFG 7
INL5 9
INPUT
SELECTOR
INL4 10
INL3 11
INL2 12
INL1 13
REFIN 15
AGND 14
VCC 16
+
–
+
–
MUTE
IGOUTR
23
BASSL2
25
BASSL1
26
TREL
27
INPUT GAIN
CONTROL
TONE CONTROL
Lch BASS/TREBLE
TRER
28
BASSR1
29
BASSR2
30
LOUT
31
ROUT
32
TONE CONTROL
Rch BASS/TREBLE
MUTE
VOLUME
VOLUME
VOLINR
24
IC306 BA5417
STANDBY
T.S.D.
BS
FILTER
PRE GND2
PRE GND1
NF2
IN2
IN1
NF1
FIL
TER
STBY
POWER GND
BS1
OUT1
VCC
OUT2
10
3 4 5
6
BS
BS2
2
NC
1
8
9
7
11 12
13
14 15
+
–
+
–
+
–
4
5
1
2
ON/OFF
VOUT
VIN
VSS
3
NC
OVER CURRENT
PROTECTOR
REFERENCE
VOLTAGE CIRCUIT
ON/OFF
CIRCUIT
IC901, 902 S-T111B33MC-OGSTFG
