Block Diagram - Display/Key Control/Power Supply Section - Sony HCD-VX5A Service Manual

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HCD-VX5A/VX5AJ/VX7A
7-5. BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –
FLUORESCENT INDICATOR TUBE DRIVER,
KEY CONTROL
IC601
S LOW FREQ (BPF0) 16
BPF1 17
BPF2 18
BPF3 19
20
BPF4
GRID DRIVE
ALL BAND (L+R) 21
Q607 – 612
73
RESET
L SEL 7
GRID DRIVE
45 G1
Q613
LED DATA 5
3
LED SCK
LED LAT 4
S611 – 630, 632 – 635,
S638 – 651, 751 – 757
REMOTE CONTROL
RECEIVER 1 SIRCS
IC602
ROTARY 2 JOG-A
S601
ENCODER
(JOG DIAL)
8 JOG-B
S601
WAKE UP 22
S602
ROTARY
9 VOL-A
ENCODER
VOLUME
10 VOL-B
S602
78 I2C DATA
79 I2C CLK
72 70
X601
12.5MHz
DATA, CLK
D
(Page 23)
05
(Page 28) (Page 27)
H I
BAND-PASS FILTER
IC603
F01
17
F02 LINE
16
IN
F04
14 DET B.P.F. 4
F05
13
F06
12
L+R REC IN
11 DET 6
LED DRIVER
IC604
B+ SWITCH
+5V (LED)
Q601, 602
Q603
13 DATA
D611 – 624,
14 D627 – 631,
CLK
D751 – 753
15 STB
A+5V (SW)
D/A CONVERTER (IC509),
SYSTEM CONTROLLER VIDEO AMP CIRCUIT B+
IC501 (4/4)
18 WAKE UP
CD-POWER 5
D+5V (SW)
M62493FP (IC101),
CD SENSOR CIRCUIT B+
POWER 2
D754
LED DRIVE
STBY LED 39
30 IIC-DATA
Q604, 605 I/u
29 IIC-CLK
LED DRIVE
D632
TIMER LED 26
Q606
TIMER SELECT
– 29 –
D925
B+ SWITCH
Q907, 908
D+5V (SW)
CD SERVO/VIDEO CD
SECTION B+
+3.3V
MPEG VIDEO/AUDIO
REGULATOR
DECODER (IC505) B+
D923
B+ SWITCH
Q904, 905
REGULATOR
CONTROL SWITCH
Q903, 923
+5V
D501, 502
SYSTEM CONTROLLER
(IC501) B+
+5V
D507
CD MECHANISM
CONTROLLER (IC502) B+
D509
+5V (STBY)
(PANEL SECTION B+)
(CD MOTOR SECTION B+)
D922
D+5V (UNSW)
(TAPE DECK SECTION B+)
(TC MOTOR SECTION B+)
D924
+5V (LED)
(FM/AM TUNER UNIT B+)
(PANEL SECTION B+)
Published in Heiloo, Holland.
POWER TRANSFORMER
TO FLUORESCENT
VF1
INDICATOR TUBE
VF2
(FL601)
+VL
RECT
D832
–VL
POWER AMP (IC801),
PROTECTOR CIRCUIT
+VH
RECT
D831
–VH
–26V –26V REGULATOR RECT
(FL DRIVER (IC601) B–) Q971 D971
+5V
REGULATOR
RECT
IC902
D901 – 904
+3.3V +5V D918
B+ SWITCH
REGULATOR
Q911, 912
Q531 IC904
RECT
D907 – 910
+7V
A+7V REGULATOR
Q901, 902, 913
TC, PANEL,
AUDIO
–7V
REGULATOR
A–7V
Q914, 951, 952
FAN MOTOR B–
D405 – 407
+7V
CD M+7V
REGULATOR
IC901
TC M+12V
+10V +12V
ST +10V
REGULATOR REGULATOR
Q909 IC903
– 30 –
1/11/16
T951
(Thai)
AC IN
VOLTAGE
SELECTOR
S951
(EXCEPT Thai)