Block Diagram - Display Section - Sony HCD-GN77D Service Manual

Q Q
3 7 6 3 1 5 1 5 0
– DISPLAY Section –
P1 – 36
FL601
G15
FLUORESCENT BUFFER
G14
INDICATOR TUBE Q807, 808
G1 – 13, 16 – 21
VF1
VF2
D610
-VG
(-32V)
2 1
BPF, RECT
IC101
6 7
1
2
SPEANA
MAIN BPF, RECT
H X
SECTION IC102
6
7
(Page 29)
BAFFER, RECT
Q100, D105
T E
L 1 3 9 4 2 2 9 6 5 1 3
ROTARY
VOLUME ENCODER
S748
VMUTE
DVD DSP(2/2)
M-REQ
D
SECTION
SQ-DATA
(Page 27)
CN502
2
TXD1
3
RTS1
6
CLK1
7
ON BOARD RXD1
PROGRAM
9
RESET
MCU VCC 5
CNVSS
8
CN VSS
w w w
.
Q707
SELECTOR 72
93
G15
94 G14
LED DRIVE
LED
Q602 – 604,
Q1001 – 1006
DISPLAY CONTROL
KEY CONTROL
IC601
KEY2 S781 – 787, 788 - 792
|
S765 – 772, 773
KEY0
S751 – 758, 759 - 763
48 VKK
D101
SUPER LOW
70
FREQUENCY (BPF0)
CN501
D102
69
BPF1
2
D+3.3V
MCU VCC
3
D103 IIC-CLK
BPF2
68
4
IIC-DATA
D104
BPF3
67
IIC-DATA
IIC-CLK
71 ALL_BAND
80 VOL 1A
79 VOL 1B
83 X1
IIC DATA 60 30 IIC-DATA
X601
IIC CLK 61 29 IIC-CLK
4MHz
RESET 77 41 GC-RESET
82 X0
TXD1
31 TXD1
TXD1
CNVSS
9 CNVSS
D748
LED DRIVE
48 STBY-LED
Q748
S749
MCU VCC
74 POWER-KEY
73 DISPLAY-KEY
S750
DISPLAY
REMOTE CONTROL
RECEIVER 4 SIRCS
IC603
15 X-IN
X502
16MHz
13 X-OUT
x a o
y
10 XC-IN
i
X501
32.768kHz
11 XC-OUT
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8
M+9V
Q606
Q601
Q605
D603, 605, 601
D1002, 1004, 1006
D1008, 1010, 1012
D602, 606, 604
D1001, 1003, 1005,
D1007, 1009, 1011
IIC
PROGRAM
DVD DSP(2/2)
M SECTION
(Page 27)
Q Q
3 7 6 3
SYSTEM CONTROL
IC501 (5/5)
+3.3V
ZIVA
REGULATOR
D+3.3V
IC907
ZIVA
AUDIO+5V
Q909, 910
B+
SWITCH ZIVA
D+5V
DVD POWER CHK 95
DVD-POWER 23
(SYS POWER)
MCU VCC
VREF
STBY-RELAY 27
I-HOLD 94
VREF 98 VREF
RESET
u 1 6 3
RESET 12 SWITCH 3
Q601
.
AC-CUT 20
31 31
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2 4
9 9 8
AC CUT
D508
DETECT
AMP
L
SECTION
(Page 30)
D509
F974
+VL
RECT
D541
–VL
F975
F976
+VH
RECT
D543
–VH
F977
– 33V R941
– VG
REGULATOR
(-32V)
Q903 D977
RECT
VF1
TO FLUORESCENT
INDICATOR TUBE
FL601
VF2
+9V
M +9V REGULATOR
1 5 1 5 0 8 9 2 4
IC903
F978
+9V
A +9V RECT
REGULATOR
TC +9V D901
IC901
+12V
M+12V REGULATOR
IC902
Q903, 906
BUFFER
+5V
REGULATOR
IC906
+5V
B+ SWITCH
REGULATOR
Q904, 905
IC905
R952
+3.9V
RECT
D +3.9V REGULATOR
D902
IC904
D501 D503
D502 D504
POWER ON/OFF
RELAY DRIVE
Q971
+3.9V
RECT
EVER +3.9V REGULATOR
m
D972 – 975
IC971
LEVEL
c o
DETECT 1
IC601
D505
HCD-GN77D
2
9 9
T910
MAIN POWER
TRANSFORMER
VL
VL
GND
VH
VH
VP
VF
VF
9 8 2 9 9
AC3
AC3
TH
E3, E15, EA, SP,MY
AC4
AC4
S901
S901
RY971 VOLTAGE
SELECT
120V
|
T972
220V
SUB POWER
|
TRANSFORMER
230 – 240V
AC IN
• Abbreviation
E3 : 240 V AC Area in E model
EA : Saudi Arabia model
E15 : Iran model
SP : Singapore model
MY : Malaysia model
TH : Thai model