Block Diagram - Display/Power Supply Section - Sony HCD-VP1 Service Manual

HCD-VP1
5-4. BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
REC/PB
C
(Page 16)
LIQUID CRYSTAL
DISPLAY
LCD801
SYSTEM CONTROLLER,
D856
LED DRIVE
26 D.S.G.
DSG Q856
D857
LED DRIVE
27 CD-SYNC
Q857
CD SYNC
REMOTE CONTROL
RECEIVER 3 REMOCON
IC802
ROTARY 21 JOG-A
RV801
ENCODER
VOLUME
20 JOG-B
RV801
S801 – 822, 824-829
05
RESET 38
D812
LCD DRIVER
D813
IC801 (4/4) CASSETTE HOLDER
D854
LED DRIVE
98
TC-ON
Q854
TAPE
REG-CON 7
REGULATOR
CONTROL SWITCH
D855
LED DRIVE
Q855 TUNER
REGULATOR
TU-ON 25 CONTROL SWITCH
D852
LED DRIVE
Q852
CD
CD-ON 94 CONTROL SWITCH
D500
LED DRIVE
VCD 8
Q500
VCD ON
D501
LED DRIVE
PBC 16
Q501
PBC
BACK UP +5V
SYSTEM CONTROLLER (IC801) B+
D802
RESET SIGNAL
GENERATOR
IC803
D815
D814
D657 – 660
B+ SWITCH
(LCD BACK LIGHT)
Q653, 654
Q655
B+ SWITCH
Q651, 652
BACK LIGHT
Q859
D851
LED DRIVE
STANDBY
Q858
I/u
B+ SWITCH
LED B+
Q661, 662
D858
(DISC TRAY ILLUMINATION)
+7.5V
FM 7.5V
REGULATOR
FM CIRCUIT B+
Q314
Q315, 316
+10V
+10V
REGULATOR
TUNER PACK B+
Q313
Q321, 322
+12V
TDA7439 (IC301) B+
+5V
REGULATOR
CD BLOCK B+
Q310
D315
+8V
REGULATOR
AUDIO CIRCUIT
IC304
+8V
CD BLOCK, DISC TRAY OPEN/ REGULATOR
MUTING
CLOSE MOTOR DRIVER (IC306) B+ IC311
Q311, 312
–8V REGULATOR
AUDIO IC305
CIRCUIT
–5V
–5V
REGULATOR
CD BLOCK B–
IC312
18 18
+12V
REGULATOR
IC306
+5V
POWER TRANSFORMER
T901
B+
POWER AMP RECT
+8V
(IC101, 201) D907 – 910
B–
+8V
RECT
–8V
D911 – 914
LINE
FILTER
LF901
AC IN
VOLTAGE
SELECTOR
S901
CD-ON
D (Page 17)
TU-ON
E
(Page 17)