Text preview for : pt6.pdf part of guia philips pt 456 brasil guia philips pt parte4/5/6 by sergio vaz
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CINCH I/O TRAS.
* For ITV Only 3112
BZX79-C5V6
Ext2C A6-55 A12-55 Ext2C A12-55 A12-56 Ext2Video|Y VideoOut (ITV MonitorOut)
1 2 3 4
0216
6110
S_VHS
8 C 3 7 2 1 0233-A 11 10 0233-B LEFT 18 1102 9 0223-F 21
Y
6
5
4 20 1101
1100
3110
75R
100R
9145
BZX79-C5V6
Ext2Video|Y 6111 3111 75R A6-54 A12-54
A12-54 Ext2AudioR A12-42 Ext2AudioL|Mono A12-41 A7-12 A5-41 A12-41 A12-44 AudioOutL|Mono A12-43 AudioOutR
1 2 3 4
0227
ScartPin8|SVHS 3113 1K 330p 2110 3128 47K Ext2AudioL|Mono
0214
1 2 3
REAR 2
0223-E
19
RIGHT 15 1103 2111 330p 16 0223-I 17
3114 1K 3115 47K
Ext2AudioR A5-42 A12-42
4160
9170
*4120 Use when front I/O is absent
BZX79-C6V8
Front|Ext1Video A12-75
6116
3129
0223-D
14
1104
4120
75R
13
Ext1Video A6-57 A12-57
LEFT 11 2112 1105 330p REAR 1 12 0223-C RIGHT 8 2113 1106 330p 9 0223-H 10
3117 1K 3118 47K 4121
Ext1AudioL|Mono ExtAudioMono (w/o front Cinch) A11-68 A12-68 A5-38 A12-38 Front|Ext1AudioMono A12-72 Ext1AudioL|Mono A11-72 A12-72 A12-38 Front|Ext1Video VideoOut 4146 3146 330K 7118 BC847B 3140 220K 3141 1K 4147 2137 AudioOutL|Mono A5-43 A12-43 A6-56 A12-56 A5-56 A12-75 Ext1Video A12-57 0229
1 2 3 1 2 3 4
0260 To 0252 of or 0249 of
3127 1K 3119 47K 4122
+5VA
Front|Ext1AudioMono A12-68 ExtAudioMono (/w front Cinch) 3145
3120
BZX79-C6V8
680R 2136 1u
To 0253 of or 0230 of
6 7 0223-B LEFT 1107 6121 VIDEO OUT
75R
3121
BZX79-C6V8
3147 220K 3122 330p 2135 2114 1u 270R
4 1108 6122 5 0223-A
150R 6123
470n VlotAux8V AV_Mute
8V4 7116 BC847B
BZX79-C6V8
MONITOR OUT RIGHT 1109 6124 1 2 0223-G 3
BZX79-C6V8
A7-13 A12-13
3124 220K 3125 2115 330p 150R 6125
AudioOutR A5-44 A12-44
BZX79-C6V8
1
2
3
4
5
6
7
8
9
10
11
12
PAINEL CRT
160V 160V
220R
3336
BAV21
160V
129V
190V
7332 BF422
140V
3334
6331
BAV21
6341
33K
0165
GND
129V 2V4
7333 BF423
1V2
3337
1V9
1K5
7331 BF422
1300 1 3
2331
220p
160V
470R
3331
3332
1K
3333
220R
3326
V16
4 5
Blue
33R
Blue
Green
0245
BLKCURINFO
6
V14
129V
6 7 8 9 Red
V13
5
OLDGND 33K V12
129V 2V4
7322 BF422
140V
BAV21
160V
190V
3317 1K5 3327 1K5
6321
Green
TO 0243
4
BLUE GREEN
3 2
OF
3324
V11
RED
7323 BF423
1V2
7321 BF422
1V9
Red
V15
1
2323
220p
OLDGND 330R 3321 3322
160V
0254 1 220R
G
Ground Heater Heater VG1 VG2
CRT GND VG1 Green VG2 Red Heater Heater Blue 9 Pin Pin 1 Pin 6 Pin 9 Pin 8 Pin 7 Pin 5 Pin 4 Pin 3 12 Pin Pin 1 & 12 Pin 5 Pin 6 Pin 7 Pin 8 Pin 9 Pin 10 Pin 11
1K
3323
3316
4 5 6
33R
OLDGND
129V
3341
1K5 3348
3314
1K5
7312 BF422
140V
6311
160V
BAV21
190V
7 8 9 10
33K
129V 2V4
7313 BF423
1V2
11 12 NEWGND 100R 3350 100R 3349 NEWGND
7311 BF422
1V9
2313 470R 3311 3312 1K
220p
NEWGND 3313 33R 2341 9300 3347 1K 6342 680p
VG2
FOCUS
EHT
OLDGND 1N4148
OLDGND BZX284-C8V2
V11 R
6343
V13 B
V15
FROM MAIN CHASSIS LOT OF
160V
0244
3
OLDGND 5341 22u 2342 2343 47n 15n FILEMENT
TO 0220 OF
2 1
1V / div DC 10µs / div V12 G
1V / div DC 10µs / div V14
50V / div DC 10µs / div V16
5342 22u NEWGND OLDGND
1V / div DC 10µs / div
50V / div DC 20µs / div
50V / div DC 10µs / div
DECODIF. BTSC + SELEÇÃO DE FONTE + SMART SOUND (ESTEREO)
+9V
SMART SOUND (STEREO)
LLp|Mtrap C1-23 Ext1|2 C1-9
AUDIO DECODING
2865 7871 BC635 VlotAux13V 2875 2866 220n 1861 100R 3872 CSB 514K5 2864 220n 2u2 2u2 2867 2868 2869 4u7 3871 BZX79-C10 220R 6861
RES
10K
AUDIO SOURCE SELECT
270R
3981
3971
4907
3973 470R 2972 33n
AudioL|Mono C2-79
+9V +9V
7951 BC847B
2u2
A14 3974 6K8 4908 MainAudioL|Mono C2-49 3976 2974 1K8 82n
2971 470n
3864
3K3
3980
2884
100n
3972
3975
10K
16
VDD
9
MSB
10 3977
LSB
5K6 1K8
4861
3978
2973
7861 TDA9851 5
CP1 CP2
7862
HEF4052BT
3873 3K9 2880 1u 2882 1 5 2 4
LL
7952 BC847B
100n
2975 7955 BC847B 3979
LOGIC
1K
12K
6
CPH
3
CER
4
CMO
8
CSS
9
CAV
16 A8
OUTL 12
A7 2861 2862
RES
SIF A5-46 C1-46
7 COMP 21 FDI 3861 15K 20 FDO 11 3862 1K2
2u2
STEREO DECODER
DEMATRIX + MODE SEL
AVL
OUTR 13
A10
SDA 24
RES
LH
H
A12 3 +9V
3865 2876 2878
RES
HL
L
DETECTOR
+ VCA
BPU CW TW
SUPPLY
AGND VCAP VREF VCC
FILTER
+ RF
RFR
I2 C
DGND
SCL 1
100R
1u 3874 3K9
HH
TrebleSw BassSw 3923 270R AudioR C2-80 C1-11 C1-5
NC
A11 23 2877
RES
3931
2879
RES
100R
LL
10K
12 14 15 11
3921
4902
19 18 17 2
15 22 14
10
3866
2881 1u 2883 1u 3869 3868 3K3 3K3
470R 2922 33n
100R
3863
LH
H
1u 2872
2873
100u 2874
2870
2871
100u
100K
3867
A13 13 7921 BC847B 2921 470n 3930
4n7
10u
HL
L
A15 3924 6K8 9950 MainAudioR C2-77 3926 2924 1K8 82n
HH
2863
22n
Front|Ext1AudioL
Front|Ext1AudioR
10K
8 C1-42
7 4862
6
C1-25 SDA C1-24
SCL
C1-41
5K6
1K
VSS
VEE
3922
3925
+9V
3927 1K8 3928 2923 100n 7922 BC847B 2925 7923 BC847B BassSw TrebleSw C1-5 C1-11 3929 12K 10n 220R
0239 1 2 3 4 5 6 7 To 0239 of 8 9 10 11 12 13 14 15 16 17 AudioSupplyGnd AudioSupply10V|14V LLp|Mtrap TrebleSw BassSw Volume Buzzer Ext1|2 A7-23 C1-23 A7-11 C1-11 A7-5 C1-5 A7-3 C2-3 A7-2 C2-2 A7-9 C1-9 To 0240 of Front|Ext1AudioR A5-48 Front|Ext1AudioL A5-47 SIF C1-46
0240 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 3899
RES
SDA SCL C1-24 A7-24 A7-25 C1-25
VlotAux13V
9955 4901
Front|Ext1AudioL Front|Ext1AudioR
A5-47 A5-48
SIFGnd
AudioOutGnd
Ext1AudioGnd
MainAudioGnd
VlotAuxGnd
VlotAux8V VlotAux5V
220R
A9
10n