Sony TA-VE800G Service Manual ▷ View online
— 25 —
SECTION 5
DIAGRAMS
5-1. CIRCUIT BOARDS LOCATION
PS JOINT board
SP JOINT board
AUDIO 2F board
PHONO board
SURR board
OSD JOINT board
AMP board
AMP JOINT (F)
board
PS board
SP TERMINAL board
MEMORY board
VIDEO 3 board
HP board
FUSE board
AMP JOINT (B)
board
PRIM board
S. VIDEO board
S. VIDEO board (1/2)
(S. VIDEO-A board)
(S. VIDEO-A board)
S. VIDEO board (2/2)
(S. VIDEO-B board)
(S. VIDEO-B board)
Note: The boards S. VIDEO-A and S. VIDEO-B
are supplied as the S. VIDEO board.
— 26 —
OSD board
VOL JOINT board
VOL board
MUTE SW board
POWER SW board
DISPLAY board
— 61 —
— DISPLAY SECTION —
IC101 M66004M6FP
IC106 BA6208
IC108 M50253P
SEGMENT
OUTPUT
CIRCUIT
CIRCUIT
(35BIT x 16)
DECODER
INDICATION
CODE
RESISTOR
(8BIT x 16)
DECODER
(35BIT x 16)
CODE/COMMAND
CONTROL
CIRCUIT
INDICATION
CONTROL
RESISTOR
INDICATION
CONTROLLER
DIGIT OUTPUT
CIRCUIT
CODE
WRITE
CODE SELECT
SERIAL
RECEIVE
CIRCUIT
OUTPUT
PORT
(2BIT)
CLOCK
GENERATOR
CIRCUIT
RAM
WRITE
21
20
19
22
13
32
60
64 - 61
59 - 33
23 - 31
1 - 12
17 • 18
14 • 15 • 16
G13
|
G16
V
CC
2
P1
|
P27
V
SS
XIN
XOUT
V
CC
1
RST
G12
|
G1
VP
CS
SCK
SDATA
P36
|
P28
1
2
3
4
5
6
7
8
9
NC
OUTPUT 2
Vcc
GND
NC
INPUT 2
INPUT 1
NC
MOTOR
DRIVE
MOTOR
DRIVE
REG
SWITCH
SWITCH
OUTPUT1
1
2
3
4
5
6
7
8
9
15
10
11
12
13
14
16
12BIT SHIFT REGISTER
LATCH CIRCUIT
BUFFER
INPUT
CONTROL
CIRCUIT
GND
DATA
CLK
Q0
Q1
Q2
Q3
Q4
VDD
Q11
Q10
Q9
Q8
Q7
Q6
Q5
— 62 —
5-11. IC PIN FUNCTION
• IC107 DISPLAY CONTROL (MB90673PF-G-166-BND)
Pin Name
V-A
V-B
KI0
KI1
KI2
KI3
KI4
KI5
KI6
IFDATAIN
Vss (D)
FLLAT
P. RY
RMINPUT
BRIGRY
SURRY
CENTERRY
FRONTRY
HP. RY
RX (SIN)
TX (SOUT)
BUSY
FL CLR
FL DATA
FL CLK
PROT. IN
4/8INPUT
Vcc (A)
+AVR
–AVR
GND (D)
SIGNALIN
—
Vss (D)
A/DKEYIN
STANDBY
VOLLED
VOLUP
VOLDOWN
–20DB
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
I/O
O
O
I
I
I
I
I
I
I
I
–
O
O
I
O
O
O
O
O
I
O
I/O
O
O
O
I
I
–
–
–
–
I
–
–
I
O
O
O
O
O
Function
Video selector control output
Video selector control output
Key input
Key input
Key input
Key input
Not used
Not used
Not used
Not used
Ground (Digital)
Latch output to display driver
Power relay drive
SIRCS signal input
Bridgiable relay drive (Not used)
Surround speaker relay drive
Center speaker relay drive
Front speaker relay drive
Phones relay drive
Serial data input from OSD controller
Serial data output to OSD controller
Input/output to communcate with the OSD controller
Reset output to display diriver
Serial data output to display driver
Serial clock output to display driver
Protector detection input
Not used
Power supply (+5V) (Analog)
Reference voltage (+5V)
Reference voltage (Connect to ground)
Ground (Digital)
A/D signal input (Not used)
Not used
Ground (Digital)
A/D key input
Standby LED drive output
Volume LED drive output
Volume motor driver control output
Volume motor driver control output
– 20dB mute (Not used)
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