Sony Trinitron KV-27S42, Service Manual

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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/
29AL66C/29SL42/29SL42C/29SL46/29XL42M
[P in P]
P
CONDUCTOR SIDE COMPONENT SIDE
(KV-27S46/29AL42/29AL42C/29AL66/29AL66C ONLY)
P BOARD WAVEFORMS
[SECOND TUNER, AUDIO AMP]
K
(KV-27S66/29AL42/29AL42C/29AL66/29AL66C ONLY)
K BOARD (*) MARK VARIANT LIST
P BOARD SCHEMATIC DIAGRAM
K BOARD WAVEFORMS
P BOARD IC VOLTAGE LIST
IC3301 22 0.8
pin volt 23 0.7
1 0.0 24 3.3
2 0.0 25 3.3
3 4.9 26 1.5
4 4.9 27 1.5
5 3.3 28 2.0
6 NC 29 0.4
7 0.0 30 0.5
8 0.0 31 GND
9 NC 32 0.6
10 NC 33 0.0
11 0.0 34 GND
12 0.0 35 3.0
13 3.3 36 1.2
14 3.3 37 2.9
15 3.3 38 1.3
16 0.0 39 2.3
17 0.0 40 3.3
18 0.4 41 1.2
19 GND 42 GND
20 0.5
21 1.5
All voltages are in V
P BOARD TRANSISTOR
VOLTAGE LIST
B C E
Q3304 2.3 GND 2.9
Q3305 3.0 GND 3.7
Q3306 3.0 GND 3.7
Q3309 0.7 0.0 GND
Q3310 0.3 8.9 1.8
Q3311 3.9 7.4 3.3
Q3312 8.2 0.1 8.9
Q3313 0.2 3.3 GND
Q3314 3.1 0.6 GND
All voltages are in V
K BOARD IC
VOLTAGE LIST
pin volt
1 0.0
2 GND
3 0.0
4 0.0
5 GND
6 0.0
7 16.9
8 0.0
9 0.0
pin volt
1 0.0
2 GND
3 0.0
4 0.0
5 GND
6 0.0
7 16.9
8 0.0
9 0.0
IC1400
IC1401
All voltages are in V
KV29AL42 KV-29AL66
REF. NO. KV-27S66 KV-29AL42C KV-29AL66C
C1401 # 0.47MF 0.22MF
C1402 # 0.47MF 0.22MF
C1403 # 2200MF 2200MF
C1404 # 2200MF 2200MF
C1452 # 0.0033MF 0.0033MF
C1453 # 0.0033MF 0.0033MF
CN1001 15P # #
CN1003 # 8P 8P
CN1004 # # 6P
CN1402 # 7P 7P
IC1400 # TDA1519 TDA1519
IC1401 # TDA1519 TDA1519
R1452 # 10K 8.2K
R1453 # 10K 8.2K
TU1002 FSS BTF-FA401 # FSS BTF-FA401
#: NOT MOUNTED
HT
[CNTL]
(KV-29AL42/29AL42C/29AL66/29AL66C ONLY)
HT BOARD SCHEMATIC DIAGRAM
1 2
0.7 Vp-p (H) 4.3 Vp-p (H)
3
1.6 Vp-p (H)
4
8.9 Vp-p (V)
1 2
2.2 Vp-p (H) 1.3 Vp-p (H)
K BOARD SCHEMATIC DIAGRAM
A board boards K P
B C E
Q1001 7.0 8.9 6.4
Q1002 5.1 0.0 5.1
Q1003 4.4 5.0 5.1
Q1004 4.5 GND 5.2
Q1006 4.5 5.1 5.1
Q1400 0.7 0.0 GND
K BOARD TRANSISTOR
VOLTAGE LIST
All voltages are in V
857 4 P and K boards.p65 3/29/99, 4:21 PM 1