Sony KP-XA43M31 Service Manual page 80

• P1 BOARD WAVEFORMS
2 PAL/SECAM 2 3 PAL/SECAM
NTSC
1.2 Vp-p (H) 1.2 Vp-p (H) 1.0 Vp-p (H)
5 PAL/SECAM 5 6 PAL/SECAM
NTSC
1.2 Vp-p (H) 1.2 Vp-p (H) 1.3 Vp-p (H)
4
3 NTSC 4 PAL/SECAM NTSC
1.6 Vp-p (H)
1.4 Vp-p (H) 1.3 Vp-p (H)
7 NTSC
6 NTSC 7 PAL/SECAM
1.6 Vp-p (H) 1.0 Vp-p (H) 1.3 Vp-p (H)
P1 BOARD : IC2801 CXA1875AM
16 15 14 13 12 11
LEVEL
LATCH
CONVERTER
LEVEL
CONVERTER
2
I C DECODER
POWER
ON
RESET
LATCH LATCH LATCH
–
DAC DAC DAC
+
VCC
REG
AMP AMP AMP
1 2 3 4 5 6
P1 BOARD IC2406 BA7606F
16 15 14 13 12
SWa
SWb
1 2 3 4 5
– 79 –
KP-XA43M31/XAM61/XAM91
10 9
OPEN COLLECTOR
LEVEL
CONVERTER
LATCH LATCH
DAC DAC
AMP AMP
7 8
11 10 9
SWc
6 7 8
RM-967