Block Diagram - Panel/Power Supply Section - Sony ZS-RS70BT Service Manual

ZS-RS70BT/RS70BTB
5-3.

BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -

LIQUID CRYSTAL
DISPLAY DRIVER
SEG0 –
LCD601
SEG31
LIQUID
CRYSTAL
COM1 –
DISPLAY
COM4
RC-S711
(NFC)
D606
(ILLUMINATION)
(WHT)
D604
(ILLUMINATION)
(BLU)
D605
(ILLUMINATION)
(BLU)
D602 LED DRIVE
(ILLUMINATION) Q611, 612
(RED)
D603
(ILLUMINATION)
(RED)
D802
S601 – 606
(FRONT PANEL KEYS)
S607 – 613
(FRONT PANEL KEYS)
S614 – 620
(FRONT PANEL KEYS)
CD LID
OPEN/CLOSE
DETECT
ZS-RS70BT/RS70BTB
POWER AMP VCC
SYSTEM CONTROLLER
IC801 (3/3)
IC601
CD +3.3V
DATA 4 47 O-LCD-DATA
WR 3 48 O-LCD-WR
I-REG3.3V-CHK 21
CS 1 49 O-LCD-CS
VBUS +5V
I-SW FLG 98
O-SW EN 99
NFC
DETECT 26 I-NFC
Q613, 804, 805
O-5V-ON 42
SYSTEM +3.3V
LED
ADJUSTMENT 35 O-LED-W-C
Q603, 604
I-RES 11
LED DRIVE
87 O-LED-W
Q605, 606
LED DRIVE
88 O-LED-B
Q601, 602
I-REG9.0V-CHK 13
AMP ON 31
DAB +1.2V
38 O-LED-SW DAB +3.3V
LED BRIGHTNESS
O-DAB-ON 43
CONTROL 36 O-LED-RED1
Q609, 610
LED BRIGHTNESS
TU +3.3V
CONTROL 37 O-LED-RED2
Q607, 608
O-TU-ON 43
WAKE UP
BT +3.3V
SWITCH 28 I-WAKE UP
Q806
D803
O-BT-ON 30
23 I-KEY0
I-REG6.0V-CHK 22
O-POWER 40
24 I-KEY1
I-AC CHECK 27
25 I-KEY2
S801
45 I-CD LID
+3.3V
REGULATOR
Q905
SWITCHING
VBUS SWITCH
REGULATOR
IC704
IC901
B+ SWITCH
Q807 – 809
RESET SIGNAL
GENERATOR
IC804
D609 B+ SWITCH
Q906, 907
OPR/BATT
(RS70BTB)
+1.2V
REGULATOR
IC906
+3.3V
REGULATOR
IC905
(RS70BT)
+3.3V
REGULATOR
IC905
+3.3V
REGULATOR
IC904
+6V
+6V REGULATOR
Q904
AC VOLTAGE
DETECT
Q803
28 28
+3.3V
REGULATOR
IC803
STBY
B (Page 27)
POWER
CONTROL
Q901 – 903
T981
POWER
TARANSFORMER
F982
RECT
D981 – 984
DRY BATTERY
SIZE "C"
(IEC DESIGNATION R14)
6PCS. 9V
J981
~ AC IN
F983