Sony Trinitron KV-HS29M90 Service Manual page 77

•J(1/5)BOARD WAVEFORMS
1
2 3
NTSC
1.0V (H) 2.0V (H) 0.5V (H)
P-P P-P
P-P
3 4 5
PAL
PAL 1.2VP-P(H)
PAL1.2VP-P(H)
0.7V (H)
P-P NTSC/SECAM 0.9VP-P(H)
NTSC/SECAM 0.9VP-P(H)
•J(2/5) BOARD WAVEFORMS
1
2 3
PAL 1.0VP-P(H)
2.0V (H)
5.2V (16.2MHz) NTSC/SECAM 0.8VP-P(H)
P-P P-P
5 5 5
NTSC SECAM PAL
0.5V (H) 0.5V (H) 0.7V (H)
P-P P-P P-P
8 9
7
0.6V (H) 1.0V (H) 0.5V (H)
P-P P-P P-P
•J(3/5)BOARD WAVEFORM
1
96.5mV
P-P
(MHz)
•J(4/5)BOARD WAVEFORM
1
300mV
P-P
(16.2MHz)
•J(5/5)BOARD WAVEFORMS
1 2 3
2.3V (MHzH) 3.2V (H) 0.3V (H)
P-P P-P P-P
3
SECAM
0.5V (H)
P-P
4
PAL1.0VP-P(H)
NTSC/SECAM 0.8VP-P(H)
6
0.9V (H)
P-P
4 5
0.9V (H) 0.9V (H)
P-P P-P
– 114 –
• J(1/5) BOARD IC8302 : CXA2069Q
TV
63
V1
1
V2 8
6dB
V3 15
V4 22
30
V5
6dB
V6 60
6dB
3
Y1
6dB
10
Y2
17
Y3
24
Y4
6dB
6dB
5
C1
6dB
12
C2
19
C3
26
C4
6dB
6dB
BIAS
6dB
LTV
62
LV1
2
LV2 9
0dB
LV3
16
6dB
LV4
23
LV5
29
LV6
59
0dB
RTV
64
RV1 4
RV2
11
RV3
18 6dB
RV4 25
RV5
31
RV6
61
6dB
6dB
6dB
KV-HS29M61/M90/M91, HS34M61/M90/M91, HS38M61/M90/M91
• J(1/5) BOARD IC8304, 8305 : LF50CDDT-TR
V 1
IN
53
VOUT1
START REFERENCE
49
YIN1
INHIBIT
56
YOUT1
DUMP
55
TRAP1 TEAW.PROTEC.
PROTECTION
58
COUT1 GND 2
51 CIN1
44
V/YOUT2
• J(2/5) BOARD IC8309 : MM1111XFBE
GND OUT
46
TRAP2
8 7
COUT2
47
BUFFER
41
VOUT3
SW
YOUT3
39
COUT3
37
57 VGND
1 2
BIAS
50
IN1 SW
42 V CC
35
AGND
52
LOUT1
• J(2/5) BOARD IC8312 : TC7SET08FU
54
ROUT1
J(4/5) BOARD IC8872 : TC7SET08FU
LOUT2
43
ROUT2
45
38
LOUT3
IN B 1
40
ROUT3
36 2
DC OUT IN A
33
SCL
34
SDA
GND 3
32 ADR
7
S-1
14
S-2
Logic 21 S-3
• J(3/5) BOARD IC8801, 8802 : NJM2521M
28 S-4
V +
S2-1
6 V
GND OUT V
IN3
13 S2-2 8 7 6 5
20 S2-3
27 S2-4
BUFFER
MUTE
48
58kHz
58kHz
58kHz
1 2 3 4
V
V SW1 SW2
IN1 IN2
– 115 –
RM-997
3 V
OUT
CURRENT
LIMIT
VOLTAGE
ERROR
DRIVER
AMPLIFIER
Vcc NC
6 5
CLAMP
BIAS
CLAMP
3 4
IN2 NC
5 V
CC
4 OUT Y