Sony TRINITRON KV-EF29N6A Service Manual page 48

(3) Schematic Diagrams of B3, C1 and VM Boards
TO A BOARD
CN126
CN3302
7P
YEL-L
:S-MICRO
IC3301
TDA9170
PICTURE BOOSTER
R3301
100
DWS ADR
:CHIP
SCL +9V
VARGAM SCL
SDA
+9V C3304 AMPNLA SDA
1
16V R3302 C3316 C3317
ADGAM TM B-Y Q3301
F:CHIP B-Y 1 100 2SC2712 0.1 47
B-Y :CHIP F:CHIP 25V
UIN UOUT BUFF
C3305 0.1 25V B:CHIP
C3302 VREF DT R-Y
C3301 0.1 R-Y 2 R3313 B-Y C3318 R3417
47 25V R-Y 0 0.1 22k
VIN VOUT B-Y :CHIP
25V B:CHIP C3306 1 16V F:CHIP R3303 :CHIP B-Y F:CHIP
GND DGND C3310 47
0.1 25V B:CHIP :CHIP R3307 B-Y
220
VCC VDIG 5
6 :CHIP C3351 R3325
C3311 R3314 1 100 :CHIP
SC NC 0 16V R3419
D3301 0.33 R-Y
C3303 BOF TAUHM 25V :CHIP F:CHIP 15k :CHIP
DAN202K 1 16V F:CHIP F:CHIP R3304 R-Y
Y 3 47 Q3302 Q3305
YIN YOUT 2SC2712 R3309 2SC2712 BUFF
Y C3312 :CHIP 220
C3307 0.01 BUFF :CHIP
0.01 B:CHIP AMPSEL HM5 B:CHIP 4
Y
TAUBP HM4 C3313 R3418
C3308 0.01 Y C3319 22k
0.1 B:CHIP 0.1 :CHIP
TAUBL HM3 Q3304 Y
25V C3314 R3305 2SC2712 R-Y F:CHIP
B:CHIP 0.01 47
HM1 HM2 B:CHIP :CHIP BUFF R3315 R-Y
C3309 C3315 R3308 R3312 0
0.01 0.01 1k 220 :CHIP C3352 R3334
B:CHIP B:CHIP :CHIP :CHIP 1 100 :CHIP
16V R3420
F:CHIP 15k :CHIP
Q3308
2SC2712 BUFF
Y/R-Y/B-Y
Y
IC3305
LA7016
Y/VIDEO SW
10
1 2 3 4 5 6 7
Y
R3421
10k
:CHIP C3353
22
+9V
R3397 R3398
1k 33k
:CHIP :CHIP
JR3303 Q3317
0
2SC2712
:CHIP
BUFF
R3390
390
:CHIP
Y
C3342
100p
CH:CHIP
R3396 R3399 C3343
220 10k 10
:CHIP :CHIP
+9V
CN3301
8P
:BTOB
TO A BOARD
CN116
• B3 BOARD VOLTAGE LIST
Ref. Pin No. Voltage [V] Ref. Pin No. Voltage [V] Ref. Pin No. Voltage [V] Ref. Pin No. Voltage [V] Ref. Pin No. Voltage [V]
Ref. Pin No. Voltage [V]
IC3301 5 1.5 5 2.8 28 5.2 8 3.1 C
Q3306 E 2.1
6 4.0 6 3.1 29 0.7 9 3.1 B
C 6.8
7 1.6 7 3.1 30 4.1 10 0 B 2.8
Q3315 C
10 0.7 8 3.1 13 0.2
IC3303 1 0 B
12 1.8 9 2.8 14 9.1 Q3307 E 1.5
2 0
14 0.7 10 3.5 B 2.1
Q3316 E
3 4.5 IC3305 2 5.6
15 1.7 11 2.7
B
4 3.2 3 0 Q3308 E 2.8
16 0.4 12 4.6
C 6.2
5 3.4 4 4.9
17 0.5 13 3.3
B 3.4 Q3317 E
6 5.8 7 5.5
18 0.5 14 3.3 C
7 2.4
19 0.3 15 4.1 Q3309 E 2.1 B
9 0 Q3301 E 1.8
20 0 16 1.4 C 6.9
10 9.1 B 2.5 Q3318 E
21 2.2 17 4.8 B 2.7
11 9.1 B
22 1.6 18 3.2
Q3302 E 1.8
14 4.5 Q3310 E 1.4
24 5.0 19 6.2
B 2.4
15 4.5 B 2.1 Q3319 C
26 2.4 20 0
B
28 2.5 21 7.5 Q3304 E 1.6
IC3304 1 0 Q3312 E 4.8
30 4.6 22 3.4 B 2.2
2 0 B 4.8 Q3320 C
31 4.5 23 2.3 B
4 4.2
Q3305 E 2.8
24 0 Q3313 E 1.7
5 3.1
IC3302 2 2.7 C 6.2
25 5.4 B 2.4
6 3.7
3 5.1 B 3.5
26 1.6
7 3.1
Q3314 E 1.3
– 73 –
TO A BOARD TO VM BOARD
CN120 CN961 1 - 3 PINS
CN3304 CN3305
4P 3P
RED-L YEL-L
:S-MICRO :S-MICRO
Y/R-Y/B-Y
R3326 +9V R3431 +9V
4.7k :CHIP
470 :CHIP
C3357
Q3320 Q3319
C3344 R3329 C3346 2SC2712 2SA1162 47
470p 470 47p C3356 25V
CH:CHIP :CHIP CH:CHIP 0.047 INV. INV.
Q3307
2SC2712 B:CHIP
L3306 L3308
6.8µH BUFF
22µH B-Y
:EL0606 :EL0606 B-Y R3429 R3433 D3302
R3430 100 R3432 15k
R3332 27k :CHIP 4.7k :CHIP RD5.6MT1B2
R3328 Q3306 R3330 R3331 470 R3333 :CHIP :CHIP
2SC2712
220 470 820 :CHIP 100
:CHIP AMP :CHIP :CHIP :CHIP
7
R3336
R3327 470 :CHIP
470 :CHIP
C3345 R3338 C3347
470p 470 47p
CH:CHIP :CHIP CH:CHIP
Q3310
2SC2712
L3309 R3342
L3307 BUFF 100
6.8µH 22µH
:EL0606 :EL0606 :CHIP
R-Y
Y
R3337 Q3309 R3339 R3340 R3341 R-Y
220 470 820 470
:CHIP 2SC2712 :CHIP :CHIP :CHIP
AMP 8 IC3303
R3335 CXA1315M
470 :CHIP
D/A CONVERTER
Y
+9V R3391
100
SW1 :CHIP
SW1 VCC
SW0 SCL
SW0 SCLK
DAC4 SDA
DAC4 SDAT
DAC3 R3392
DAC3 SAD2 100
DAC2
DAC2 SAD1 :CHIP
R3393
DAC1 10k
DAC1 SAD0
:CHIP
DAC0 SW3
DAC0 SW3
SW2
GND SW2
R3347 R3348 R3349
3.9k 3.9k 3.9k
:CHIP :CHIP :CHIP
+9V
R3355
150 R3422 R3423 R3428 R3319
+9V :CHIP 10k 10k 10k 10k
C3326 10p CH:CHIP +9V
:CHIP :CHIP :CHIP :CHIP
R3394
9 IC3304
560 C3355
:CHIP 0.1 LM339N AMP
F:CHIP
R3343
4.7k SW2 SW3
:CHIP OUT2 OUT3
8 SW1 SW0
OUT1 OUT4
VCC GND
Y R3344 R3366
3.9k 5.6k
:CHIP :CHIP IN1- IN4+
R3425 IN1+ IN4-
R3367 820
RN:CHIP
Y 330 IN2- IN3+
:CHIP
C3354 R3426
22 910 IN2+ IN3-
RN:CHIP
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
R3440
4.7k
RN:CHIP
IC3302
AN5342K
R3427 JR3304
LTI 0 0
:CHIP :CHIP
Q3313 Q3314 Q3318
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 2SC2712 2SC2712 2SC2712
C3337 +9V
BUFF BUFF BUFF
0.01
B:CHIP
C3338 R3384 R3377 R3411 R3412
82k R3402 R3406 1k 33k 12
220p :CHIP 560k 1k 39k :CHIP :CHIP
CH:CHIP :CHIP 11
:CHIP :CHIP Y
DL3301
R3386 R3385 C3336 C3348 Y
470 1k 0.0047 C3334 C3333 R3415 Y 0.1
0.01 22k DL
:CHIP :CHIP B:CHIP 0.47 B:CHIP F:CHIP R3414
:CHIP R3403 C3349 47
L3305 1k 47 :CHIP
82µH C3332 +9V :CHIP R3408
:EL0606 220p R3401 470 R3413
CH:CHIP 100 :CHIP 470
:CHIP :CHIP
R3376 L3304
1k 10µH R3404 R3405 R3407 R3409 R3410 C3350
Q3312
:CHIP :EL0606 2SA1162 1k 15k 470 220 10k 10
:CHIP :CHIP :CHIP :CHIP :CHIP
AMP
Q3315
R3381 DTC114EK
5.6k
:CHIP INV.
B3
(PICTURE BOOSTER,LTI,Y/V SW)
B-SS6580<CH.>-B3.
• B3 BOARD WAVEFORMS
1 2 3 4
4.2
2.0
3.1
0 1.9 Vp-p (H) 1.5 Vp-p (H) 1.0 Vp-p (H) 1.0 Vp-p (H)
3.5
5 6 7 8
4.1
1.3
4.1
1.9 1.6 Vp-p (H) 1.9 Vp-p (H) 1.9 Vp-p (H) 1.5 Vp-p (H)
3.5
9 !º !¡ !™
4.2
0.2
9.1
2.4 Vp-p (H) 2.4 Vp-p (H) 1.3 Vp-p (H) 1.1 Vp-p (H)
9.1
–0.2
– 74 –
• B3 BOARD IC3301 TDA9170 • B3 BOARD IC3302 AN5342K
29 30 5 3 18 20 22
5 28
SATURATION
7 CONTROL 26
2 CORING DETECTOR
13
SW LIMITER 21
GAIN BLACK NON-LINEAR VARIABLE GAIN
12 STRETCH 21 25 23
SELECT OFFSET AMPLIFIER GAMMA SELECT
1.ST
19 HOLD
30 OFFSET 2 DIFFERENTIAL
2 24 DELAY
31 I C-BUS 3
32 HMX
26 13
CLAMP
BLACK 28 GAIN 14
11 DELAY SW CONTROL ADDER
DETECTOR
10 TIMING WINDOW
HMX
1 GENERATOR SLOR
HISTOGRAM HMX GAIN GAIN
4 LIMITER CORING ADDER 15
MEASUREMENT PROCESSOR CONTROL CONTROL
DISCHARGE 16
FILTER 17 2.ND GAIN
CORING ADDER
6 VOLTAGE DIFFERENTIAL CONTROL
9 REFERENCE
7 6 8 12 9 11 10 4 1 27
8 24 25 16 17 18 19 20 23 22 27 29 14 15
• B3 BOARD IC3303 CXA1315M • B3 BOARD IC3305 LA7016
13 12 11 2 1 9 10 4 1
LEVEL CONVERTION LATCH LEVEL CONVERTION
2 8
7 6
SDA 14
LEVEL
3 5
CONVERTION
SCL 15 2
I C DECODER
POWER
ON
RESET
LATCH LATCH LATCH LATCH LATCH
Vcc 16 DAC DAC DAC DAC DAC
Vcc
REG
AMP AMP AMP AMP AMP
8 3 4 5 6 7
GND
NECK ASSY
CN961
8P
QP QP VM
WHT
:S-MICRO
135V
8
NC 7
TO D2 BOARD
Q.P.-(NC) 6
CN2821
Q.P.+(NC) 5
GND 4 +9V
9V 3
TO B3 BOARD C972
VM IN 2 330 C962 R981
16V 0.047 1.2k Q967
CN3304 :HT :PT
E 1 2SC2785
BUFFER
R987 D969 D978 R986
R962 220 1SS119 1SS119 JW(5)
1
47
R966 R989 R977
1.5k E
10k 10k R988
10
D980 2W
1SS119 :RS
C971
D965
R968 100
1k 1SS119 Q968
2SA1175
BUFFER
D964 Q962
2SC2785
1SS119 R963
+135V TEMP-CORR 1k Q961 AMP
2SC2785 C980 R974
R973 R970 100 180
AMP
R967 68 68 16V 3W
330 :RS
R971 C970
C963 220 0.1
33 Q963 200V
2SA1837 :PT Q965
160V R975 2SC4793 R982
L961 VM.DRIVE.1 1k 1.5
JW(5.0) :FPRD VM.DRIVE.2 :FPRD
C961 R964 R969 D967 D968 R985
MTZJ39 MTZJ39
0.0047 JW(5) 1.5 R972 DC.BIAS DC.BIAS JW(5)
500V :FPRD 68k
E
R965 C968 R976 R979
560 0.047 C978 68k 560
200V 0.001
:FPRD
:PT :PT
VELOCITY C969
C979 C973
VM 2.2 0.001 0.047
160V :PT :PT
:HT
MODULATION
B-SS6580<CH.>-VM.
– 75 –
TO D BOARD T801
FV
SCREEN
C1
+1000V R735 RV702 R737
680k 2.2M 100k
1/2W 1/2W 1/2W
(RGB OUTPUT)
SCREEN
R738 C720
MIN-MAX 22k 0.022
+9V RED.OUT 235V-911V 1/2W 1kV
J701
+200V
C709 G4
0.047 C719 G2
2 4 6 8 0.001
F 1 3 G1-1
B 4
RCV
IC701
TDA6101Q/N3 2 13 5 H1
R
VIDEO-AMP
1 6 H2
D714
11 7 G1-2
R711 1SS119 R734 G1-3 10 9 8
VB-RECT 1 3 5 7 9 100 D712
2.2k 1/2W RV701 KR KB
CN703 C716 110M KG GP08D
560p 1/2W
6P R733 154 D1-RESET
D713 R 500V 1k H.STAT R
WHT R709 B 1/2W
:S-MICRO 1.2k MTZJ3.9B
R
:RN BIAS
R 6
G C708 D711 G
G 5 1 R718 R725 HSS83
B 68k R743
3.3k 2W PROTECT 560k
B 4 C707
:RS 1/2W
9V 4.7
3 250V
GREEN.OUT B
GND 2
R704 D704 C715
IK 1 470 1SS119
:RN 0.047 2 4 6 8
TO A BOARD SLICE F
D705 D707
CN117
1SS119 1SS119 G IC703 4
SLICE SLICE
TDA6101Q/N3 G
R705 VIDEO-AMP 3
R710 C703 100k
47 25V
470
:RN
1 3 5 7 9
R712
JW(5)
C718
560p
R708 500V
1.1k
G B
:RN R732
1k G
1/2W
R720 R729
3.3k 68k
D710
2W HSS83
B :RS
PROTECT
C711
D715 4.7
+9V BLUE.OUT
1SS119 250V
C702
C714 2 4 6 8
22 0.047
25V F
6
IC702 B +200V
R706 5
JW(5) TDA6101Q/N3
VIDEO-AMP
1 3 5 7 9
C717
C712 560p
500V
0.047 B B
F R731
1k
1/2W B
R703 R707
47k 1.1k B
:RN
R701
100
R727
D709
R719 68k HSS83
3.3k 2W
:RS PROTECT
C701 R722 C710
Q701 470p 33k 4.7
2SA1175
R702 250V
1k BUFFER
• C1 BOARD VOLTAGE LIST
Ref.
IC701
CN964
8P
1 QP-
2 QP-
3 QP+
4 QP+
5 E
6 E
7 VM
8 VM
• VM BOARD VOLTAGE LIST
Ref. Pin No. Voltage [V] Ref. Pin No. Voltage [V]
Q961 E 1.6 Q965 E 0
B 2.2 C 63.8
B 0.2
Q962 E 1.6
C 4.3 Q967 E 4.9
B 2.2 B 5.5
Q963 C 63.8 Q968 E 4.9
B 134 B 4.3
• VM BOARD
WAVEFORM
1
35.6 Vp-p (H)
– 76 –
G2
CN701
4P
WHT
:MINI(LOCK)
L701
22µH 1 1000V
:EL0607
2 200V
C721 E
4.7 3
250V 4 H1
TO D BOARD KG KB G2
CN509
7 R740
1 V901
3W
:RS H PICTURE
TUBE
M68LNH010X
R742
CV KR G1 G4 HV
JW(15)
C725
4.7
250V CN704
1P
+200V
E
1
(CHASSIS)
• C1 BOARD WAVEFORMS
1 2 3
0.8 Vp-p (H) 130 Vp-p (H) 0.8 Vp-p (H)
4 5 6
115 Vp-p (H) 0.9 Vp-p (H) 110 Vp-p (H)
7
24.4 Vp-p (H)
B-SS6580<CH.>-C1.
Pin No. Voltage [V] Ref. Pin No. Voltage [V] Ref. Pin No. Voltage [V] Ref. Pin No. Voltage [V]
1 3.6 IC702 1 3.6 IC703 1 3.6 Q701 E 5.8
3 3.5 3 3.5 3 3.5 C 0
5 8.3 5 8.0 5 8.0 B 8.1
7 140 7 152 7 146
8 141 8 154 8 148
9 138 9 151 9 144
• C1 BOARD IC701-IC703 TDA6101Q/N3
supply voltage feedback
input HIGH output
6 9
7V
MIRROR MIRROR
FOLLOWERS
cathode
V bias 7 transient
C par output
INV IN 3
DIFFERENTIAL
STAGE cathode
NON-INV IN 1 8
DC output
black current
5
measurement
MIRROR CURRENT MIRROR output
SOURCE
4 2
GND supply voltage
input LOW
Schematic diagrams
Ò (b3)(c1)
(b3)(c1) (b3)(c1) (b3)(c1) (b3)(c1)
Schematic diagrams
Ò (vm) (vm) (vm) (vm) (vm) D D D D (d2)(dh) D (d2)(dh) (d2)(dh) (d2)(dh) (d2)(dh) l
boards boards
– 77 –