Sanyo 111376316, Service Manual

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-8-
IC Block Diagrams
Pin No. Function Name Function
1 SCL I
2
C Bus Clock (For Tuner, IC101, IC3451 of Signal Unit)
2 P3_7 TV_VGA (Not used)
3 Reset Reset Input (L=Reset)
4 Xout X’tal Osc. Output (10MHz)
5 Vss Vss (GND)
6 Xin X’tal Osc. Input (10MHz)
7 Vcc Vcc=3.3V
8 Mode Mode / Connected to Vcc
9 P4_5
10 P1_7 A Detection Input (Not used)
11 P1_6 DM Clock Output (Not used)
12 P1_5 DM Data (Not used)
13 P1_4 DM IR Send (Not used)
14 P1_3 RGB ON/OFF Output (Not used)
15 P1_2 Power4 Output
16 Vref Reference for ADC (Vcc)
17 P1_1 Timer Recording Output (H=Recording) (Not used)
18 P1_0 D/A Control Output (H=Digital)
19 P3_3
20 SDA I 2 C Bus Data (For Tuner, IC101, IC3451 of Signal Unit)
Sub CPU Port Functions (IC1801)
IC4001 < Analog LCD Display Engine > ADE3800
Analog
H&V
Syncs
GLBL
GLobal
Control
MCU (SCL, SDA)
I
2
C
PWM
Pulse Width
Modulation
SMEAS
Sync
Measure
SRT
Sync
Retiming
XCLK
Domain
Analog
R,G,B
Data
INCLK
Domain
SCLK
Domain
DCLK
Domain
Out Data
Syncs & Clock
(To LCD Panel)
TCON
LLK
Line Lock
PLL
ADC
(Digital)
ADC
(Analog)
SMUX
Sync
Multiplexer
DMEAS
Data
Measure
SCL
Scaler
SCLK
PLL
DCLK
PLL, FM
FLK
Flicker
Detection
TCON
Timing
Controller
PGEN Pa
tter
n
Gener
ator
sRGB
GAM
Gamma
OSD
On-Scree
Displa
y
APC
OMUX
Output m
ultiple
xe
r
L
VDS_RSDS