31
GTP-740
EXTERNAL/INTERNAL
DATA SWITCHING
BUFFER
VDD
VSS
RESET
SCL/SCLK
SDA/SIN
E
HIO/I2C
C
HSYNC
HSYNC
VSYNC
VSYNC
XTAL1(IN)
TEST1
TEST2
12
TI00 to TI11
R(VOW0)
G(VOW1)
B(VOW2)
I(VOW3)
FB(VOB)
ACM(VOB2)
P00
P01
AVDD
AVSS
P04/ACM (VOB2)
3
XTAL2(OUT)
CHARACTER SIZE
REGISTER/
CONTROL
WRITE ADDERSS
COUNTER
I/O
PORT
BUFFERS
DISPLAY CONTROL
AND OUTPUT STAGE
VERTICAL
POSITION
REGISTER/
COUNTER
CONTROL
SIGNALS
HORIZONTAL
POSITION
REGISTER/
COUNTER
I2C SLAVE
RECEIVER OR
HIGH-SPPED I/O
RECEIVER
INSTRUCTION
DECODER
PLL
OSCILLATOR
INTERNAL
SYNCHRONOUS
CIRCUIT
CSYNC
SEPARATION
CRYSTAL
OSCILLATOR
TESTING
CIRCUITRY
DISPLAY
ROM
CONTROL
REGISTER
DISPLAY
CHARACTER
RAM
ADDERSS
BUFFER
SELECTOR
1
I(VOW3)
24
AVDD
2
P04/ACM(VOB2)
23
AVSS
3
TEST2
22
FB(VOB)
4
1TEST1
21
VDD
5
C
20
B(VOW2)
6
VSYNC
19
P01
7
HSYNC
18
G(VOW1)
8
SDA/SIN
17
P00
9
SCK/SCLK
16
R(VOW0)
10
ATAL1(IN)
15
HIO/I2C
11
XTAL2(OUT)
14
E
12
VSS
13
RESET
S-VIDEO ASSEMBLY
U305: PCA8515P/009
MUTE
1
2
3
4
5
6
7
8
CTLA
CTLB
IN2
GND
IN3
LOGIC
IN1
V
OUT
V
CC
6dB Amp 75
Ω
Driver
S-VIDEO ASSEMBLY
U302, U304, U310-U313: BA7612N
VIDEO ASSEMBLY
U315-U317: BA7612N
1
2
3
4
5
6
7
8
9
10
LOGIC
MUTE
IN1
CTLA
CTLB
IN2
CTLC
IN3
IN4
GND
V
CC
V
OUT
S-VIDEO ASSEMBLY
U301, U303: BA7645N
VIDEO ASSEMBLY
U314: BA7645N
STAGE 0
STAGES 1 TO 6
D
1
STR
D
O
O
CP
CP
D
CP
FF
1
D
O
STR
EO
O0
CP
latch
D
O
CP
latch
O1 O2 O3 O4 O5 O6
O7
Os
Os'
STAGE 7
D
O
CP
FF
8
D
O
CP
latch
D
O
CP
16
VDD
2
D
15
EO
3
CP
14
O4
4
O0
13
O5
5
O1
12
O6
6
O2
11
O7
7
O3
10
Os'
8
Vss
9
Os
VIDEO ASSEMBLY
U318, U319: 4094
IC BLOCK DIAGRAM
Summary of Contents for GTP-740
Page 38: ...GTP 740 39 40 AUDIO BOARD PCB LAYOUT POWER BOARD...
Page 39: ...GTP 740 42 41 AC3 BOARD Bottom View PCB LAYOUT AC3 BOARD Top View...
Page 40: ...GTP 740 43 44 PCB LAYOUT KEYBOARD Top View KEYBOARD Bottom View...
Page 41: ...GTP 740 45 46 PCB LAYOUT S VIDEO BOARD VIDEO BOARD VOL BOARD PHONE BOARD...
Page 42: ...GTP 740 47 48 PCB LAYOUT TUNER BOARD CPU BOARD Top View CPU BOARD Bottom View AC OUTLET BOARD...
Page 43: ...GTP 740 49 50 SCHEMATIC DIAGRAM AC3 DSP...
Page 44: ...GTP 740 51 52 SCHEMATIC DIAGRAM TUNER Front End Data Ports...
Page 45: ...54 53 SCHEMATIC DIAGRAM GTP 740 S_VIDEO INPUTS SELECTOR OSD CONTROLLER...
Page 46: ...55 56 SCHEMATIC DIAGRAM GTP 740 KEYBOARD...
Page 47: ...58 57 SCHEMATIC DIAGRAM GTP 740 COMPOSITE VIDEO REMOTE...
Page 48: ...60 59 SCHEMATIC DIAGRAM GTP 740 AUDIO I O...
Page 49: ...62 61 SCHEMATIC DIAGRAM GTP 740 CHANNELS OUTPUT...
Page 50: ...63 64 SCHEMATIC DIAGRAM GTP 740 AUDIO BOARD VOLUME MOTOR PORT...
Page 51: ...66 65 SCHEMATIC DIAGRAM GTP 740 POWER SUPPLY...
Page 52: ...67 68 SCHEMATIC DIAGRAM GTP 740 TUNER Audio Outputs S VIDEO BALL SYSTEM ON OFF SELECTOR...
