Block Diagram - Key/Display Section - Sony STR-DE895 Service Manual

STR-DE895/DE995
Q Q
3 7 6 3 1 5 1 5 0
4-5. BLOCK DIAGRAM — KEY/DISPLAY SECTION —
VIDEO SW1
VIDEO
VIDEO SW2
E
SECTION
VIDEO SW3
VIDEO SW4
(Page 21)
J2305
CTRL
A1
T E
L 1 3 9 4 2 2 9 6 5 1 3
OSD
F
SECTION
(Page 23)
w w w
36 V.SW1
SYSTEM
37 V.SW2 CONTROL
IC1101 (3/4)
38 V.SW3
39 V.SW4
86 A1 IN
I/O
FL
BUFFER A1 OUT
87
Q1102,D1102
57 X1
X1101
16.5MHz
EEPROM
58 X0
IC1131
LED_DRV_DATA
LED_DRV_CLK
SDA 5 99 EEPROM.SDA
LED_DRV_CLR
SCL
6 100 EEPROM.SCL
S141
/ I
I
62
PW_ON/OFF
CNP503
FLASH1
1
109 SOT1
FLASH2
2 110 SIN1
MD2
FLASH
7 52 MD2
CURSOL_JOG_3A
PROGRAMMING MD0
6 54 MD0
CURSOL_JOG_3B
RESET
5
+3.3V
(STBY)
IC1111 FUNCTION_JOG_1A
2 1 55 RSTX
RESET
FUNCTION_JOG_1B
OSD-DIN
3 2 106 DATA
BUFFER
OSD-CLK 11 IC1141 12 105 CLK
OSD
OSD-CS 8 9 107 LAT
x a o
y
. i
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FL101
FLUORESCENT
INDICATOR
TUBE
9-16
48 - 63
19-47
SEG0-37 GRID0-15
DIN/F1 SDATA
112 4 FL DISPLAY
DRIVER
CLK 111 5 SCK
IC100
LAT/F2 2 CS
113
DRV/CLR 114 1 RESET
13 DATA
5 9 8
LEVEL
6 12 11 14 CLK
SHIFT
2 IC171 16 CLR
7 3
LED_DRV_CE 8 5 6 15 STB
Q1106
SIRCS
63
1
VOL_JOG_2A 17
3
VOL_JOG_2B 16
1
RV104
VOL_JOG_4A 15
3
MENU
VOL_JOG_4B 14
1
13
Q Q 3
12
3 7 6
1
RV105
3
-/+
DE895
1
11
3
10
CTRL_S_OUT 66
SW NETWORK
A/D0
132
S101-106,151,152
SW NETWORK
A/D1 133
S111-116
SW NETWORK
A/D2 134
S121-125
SW NETWORK
A/D3 135
S131-135
u 1 6 3
22 22
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2 4
8 9 9
LED DRIVER
IC102
MUSIC 1
MOVIE 2
A.F.D 3
2CH 4
TUNER 7
CD 8
D101,
MD/TAPE 9 D103-116
TV/SAT 10
DVD 11
V3 17
V2 20
V1 21
SB LED 22
BLUE LED 23
REMOTE
SIRCS
OUT CONTROL
1
RECEIVER
RV101
IC103
MASTER
VOLUME
REMOCON
INTERFACE
2
IC2103
RV103 OUT1
J2102
02-1
-/+
CTRL S
11
3 1 5 1 5 0 8 9 2
STATUS
OUT
IN1
J2103
13
CTRL S
STATUS
IN
RV102
IN3
INPUT
4
SELECTOR
DE995
m
c o
.
2
8 9 9
4 9 8 2 9 9