Service manual

9
CHROMA 43 SVHS (C) input
AUDOUT 44 Audio output
INSSW2 45 YUV insertion input
R2/VIN 46 R input / V (R-Y) input / PR input
G2/YIN 47 G input / Y input
B2/UIN 48 B input / U (B-Y) input / PB input
BCLIN 49 Beam current limiter input
BLKIN 50 Black current input
RO 51 Red output
GO 52 Green output
BO 53 Blue output
VDDA 54 Analog supply of Closed Caption decoder and digital supply of TV-processor (3.3 V)
VPE 55 Ground
VDDC 56 Digital supply to core (3.3 V)
OSCGND 57 Oscillator ground supply
XTALIN 58 Crystal oscillator input
XTALOUT 59 Crystal oscillator output
RESET 60 Ground
VDDP 61 Digital supply to periphery (+3.3 V)
P1.0/INT1 62 AV1 / AV2 mode Output.
P1.1/T0 63 AV /S-VHS mode Output.
P1.2/INT0 64 Remote control signal input.
Note
Pin TV SVHS AV1 AV2
62 1 0 0 1
63 1 1 0 0
2. N902 24C08/PCF8598
PIN Function
1 GND
2 GND
3 Upper resistance
4 GND
5 SDA data wire
6 SCL clock wire
7 GND
8 +5V Power
3. N601: Sound power amplify (AN7522N)
Symbol PIN Function Symbol PIN Function
Vcc 1 Power supply GND 7 ground
Out 1 (+) 2 Ch 1 output (+) In 2 8 Ch 2 input
GND(out 1) 3 Ch 1Ground VOL 9 Volume Control
Out 1 (-) 4 Ch 1 output (-) Out 2 (-) 10 Ch 2 output (-)
Standby 5 Mute input GND(out 2) 11 Ch 2 Ground
In 1 6 Ch 1 input Out 2 (+) 12 Ch 2 output (+)
4. N301: Vertical output (TDA8357A)
Symbol PIN Function Symbol PIN Function
INV IN 1 Input PUMP UP 6 Pump up power
INV IN 2 Input V OUT 7 Vertical output
Vcc 3 Pump up power V PRO 8 Vertical protection
V OUT 4 Vertical output V FEEDBACK 9 Vertical feedback
GND 5 Ground
5. U101
：
Tuner
PIN Function PIN Function
1 AGC 7 +5V
2 vacant 8 vacant
3 Gnd 9 Vt 33V
4 SCL 10 Gnd
5 SDA 11 IF Out
6 +5V