Philips FW-C870/19 Service Manual page 70

1 2 3 4 5 6
POWER 5-VAALIMENTAÇÃO 130W Versão
A
9901 9903
1901 5905
5902 6 230V
trf-ee25
5
1905
2
T6.3A UL 4
T5A IEC
120V
1
9915
B
LC121503-PCT
5901
230V
3 9906
9902
2
1907
1
T-5A
120V
9916 9917
C
9905
1906
T-5A
Voltage Selector for /21 only
D
E
F
G
H
I
J
K
1903 for /21only
T200mA
5903
3908 not /21
6
470Ω
L
5
120Ω for/37 6901 6903
1N4003 1N4003
5,5V
7
4
10V
8
3
6902 6904
9
5,5V 1N4003 1N4003
2 10V
M
10
1
12,6V
N
............. Vdc measured during AMPLIFIER ON
V EVM
V Vdc measured during AMPLIFIER OFF (mute)
O
Voltages measured at nominal mains voltage and low output signal
P5VA L/R Supply 130W 99 09 24
1 2 3 4 5 6
7 8 9 10 11 12 13
PRIMARY TRAFO
1911
1909 8902
trf8 trf10
1920 1
9925
7 ( 4 ) 4
9924 T-5A
5 ( 3 ) 3
10V
trf7 trf11
1921 2
T-5A
110V
trf6 trf12
3
9923
3 ( 2 ) 2
trf5 trf13
1922 4
T-5A
9922
1 ( 1 ) 1 trf14
1923
5
trf4
120V
T-5A
9921
3 ( 2 ) 2
trf3
1 9920
1 ( 1 )
1910 8901
9930
trf15 3920
1R
trf16
trf17
trf18
trf19
1924
ST.BY REL. 12V MODE
T-2,5A
L OFF OFF ST.BY trf20
1925
T-1,6A
Z ON OFF CLOCK
H ON ON 12V ON MODE trf21
6911 6912
1N4148 1N4148
9910
6900
1N4003
7901
12,7V 12,7V
BC327-25 6909
25,3V 3V 12V
1N4003
25V 12V
15k for
/00,/17
25V 6,5V
7,2V
8,3V 7902
BC547B
AB = DISABLE CLASS H
HST = HEATSINK TEMPERATURE
SAT = SATURATION INDICATION (CLIPPING)
6910 12V MFD = MAINS FAILURE DETECT
1N4003
ELECTRONIC VOLTAGE SELECTOR
FOR STAND BY CIRCUIT
MAINS VOLTAGE
230V 120V
FOR /21 ONLY
7 8 9 10 11 12 13
14 15 16 17 18 19
14 8
AMPLIFIER SUPPLY
1 1
1914
1 2 2
6255
6251 GBU8D
GBU8D
2
3 3 75V 50V
3
4 4 2256
4
47n
5
5 5
*
1280 DISPLAY-SUPPLY
T-1A
3282
9254
-49V
47R
1912
1
1
2
4,9V
2
3
3 NTC
4
4
0010
+VL +33V +12V REGULATOR
1913 9
2267
+23,5V
100u/50V
1 1
+12V
+25V
6260 6262
1N5392 1N5392 7251
11V
BDX53BFI
2 2 +13,5V
6261 6263
11V
1N5392 1N5392
3 3
+13,5V
0V
7255
3260 BC547B
27
0R33
AUX-SUPPLY
1258
REL
1
12V
1
REL +V
MFD 2 +11V
2
MFD
3
7292
+V
3 +V
BD242BFI 6295
12V +5,6V 5V
4 +11V
GND
1N4148 +5V
GND
4 7281
7805CP
3279
1R
9256 I O 5V6
+11V
+5,6V
+0,6V
G
D D D
+5,6V-STABILIZER
+4V
9261 +V
6267 +11V
5V
+5V 1N4148
7280
+0,5V
BC547B PD
+8,2V
-0,2V
POWER DOWN CIRCUIT RELAY CONTROL CIRCUIT
14 15 16 17 18 19
20 21 22 23 24 25
+50V
+VH
+33V
+VL
Printed Fuse
In case of damage insert Fuse T1A
4822 071 51002
-33V
-VL
3k3 for DPL
Printed Fuse
In case of damage insert Fuse T1A
-50V
4822 071 51002
-VH
DC PROTECTION CIRCUIT
-39V 5V6 5V6
7286 7282
BC327-40 BC327-40 -29V
+5,6V +5,6V
-30
3254
680R
6298
-40V -30V
7266
BC557B BZX79C6V8
3285 3286
7268
3k3 3k3 NTC
BC547B
3309 6299
33k
1N4148
A
-24V
F2
HST1
-24V
F1
5V6 5V6
+5,6V
+VH
2303
10n
+12V
+12M 6301
6292
1N4148
1N4148 +5V6 HST1
7265
9253 BC556B
7279
+12A +5,6V
BC547B
for amplifieres
with NTC only
6269 3263 6283
AMP ON = +5V AMP OFF = 0V
10k
+2V
1N4148
BZX79C15V
AMP ON/OFF CIRCUIT
2269
D
A
3n3
7252
+0,7V
BC547B
3268
5V +5V
ON/OFF CONTROL FOR RELAY, +12V
A A 10k
3267
3k9
+V
+11V
7253
+4,6V
7260
BC547B
BC547B
+0,6V
39k
3306 +4V
NTC
7283
+5,6V BD438
5V6
VCD-ON
7263
BC337-25
+1,2V
7262
BC547B
7285
6265
3256
+5,6V BC547B
5V6
1k 7284
BZX79C5V6 BC547B
+5V REGULATOR FOR VCD
20 21 22 23 24 25
26 27 28 29
0010 G14 6299 F24
0011 B29 6301 H24
0011 1258 K14 6302 H25
+52V
1 1261 F29 6900 K 9
+VH +VH
1262 H29 6901 L 6
1263 M29 6902 M 6
+33V
2 1264 M29 6903 L 7
+VL +VL
1265 N29 6904 M 6
A
1268 B29 6905 L 5
3
GNDL 1280 E18 6906 L 5
GNDL 1290 C26 6908 N 8
4 1291 B26 6909 L 9
GND
14 A14 6910 N 9
GND 1901 A 1 6911 K10
5
1903 J15 6912 K11
GNDR
1905 A 3 7251 H19
GNDR
-33V 1906 C 6 7252 J20
6 -VL
-VL 1907 C 6 7253 L23
1909 A 7 7255 J18
-52V
1910 D 7
7 7260 L24
-VH
-VH 1911 A13 7262 N20
B
1912 E13 7263 N20
1913 H13 7265 H24
1914 A13 7266 E24
1920 A12 7268 F24
1268 1921 A12 7280 N17
1922 B12
-33V 7281 L17
11
-VL 1923 C12 7282 E20
-VL
1924 H12 7283 M23
10 1925 I12 7284 O23
-VL 2251 A16 7285 O24
2252 A16 7286 E20
C
9
2253 B17 7290 N26
GNDS
2254 A18
7292 K17
2255 A18 7901 L 8
8
GND 2256 B19 7902 M 8
2257 C18 8 A15
2258 C19 8901 D 8
7
GNDC 2260 C20 8902 A 8
2262 C20 9 H14
+33V
6 2263 I16
9251 C17
+VL +VL
2264 I17 9252 C18
D 2265 I17 9253 H20
5
+VL 2266 I17 9254 E19
2267 H19 9255 H23
4 2268 I20 9256 L17
DC
2269 J20 9258 H27
2270 K24
9260 N28
-52V 4,5V
3 2271 I21 9261 N17
AMP_OFF
2279 M17 9276 A16
2280 J16 9280 C16
2
2281 J16 9900 N 8
HST2
2282 M18 9901 A 2
E
2283 N24 9902 B 2
1
SAT
2286 N25 9903 A 3
2287 F20 9904 B 4
2288 O17 9905 C 6
ONLY FOR FOUR CHANNEL VERSIONS
2289 O17 9906 B 6
2290 O26 9910 K 9
1261 2295 J16 9911 F 1
2300 F23 9912 G 1
2301 F25
8 9913 G 1
SAT 2302 K25 9914 G 1
2303 G24 9915 B 6
7 F
27 J13 9916 C 4
HST1 HST1
2902 L 6 9917 C 5
6
2903 M 7 9918 C 3
R
2904 N 7 9920 C 9
2905 N 6
5 9921 C 9
2906 N 7 9922 C 9
3248 O23 9923 B 9
4
3249 O24 9924 A 9
L
3250 O24 9925 A 9
-52V 4,5V 3
3251 H18 9927 A13
AMP OFF G
3252 I18 9928 C13
2
0V 3253 O20 9930 E12
DC 3254 E24 trf10 A11
1
+4,5V 3255 I19 trf11 A11
ab
3256 O21 trf12 B11
3259 L22 trf13 B11
3260 J17 trf14 C11
3261 I21 trf15 F12
3262 J21 trf16 F11
3263 I22 trf17 G12
1262
3265 F24 trf18 G11
H
3266 K25 trf19 H11
9 3267 K25 trf20 I11
L 3268 J26 trf21 I11
8 3269 F21 trf3 C10
3270 J18 trf4 C10
3271 O26 trf5 B10
7
R 3272 C21 trf6 B10
6 3273 H23 trf7 A10
3274 C19 trf8 A10
AMP ON
3275 C18
+12V 5 I 3278 C21
+12A
+12A 3279 L17
4 3280 O17
A 3281 N18
A
3 3282 E18
+12V
3283 I23
+12M +12M
3284 I23
2
3285 F19
D
D
3286 F20
1
3287 F22
5V6
5V6
3288 F21
J
3289 F21
3290 O26
3295 N26
3296 O27
3298 N27
3299 N28
1263 3300 N27
3301 F25
3302 E24
6296 1
AB 3304 H24
2 3305 H25
K
1N4148 PD PD
3306 L23
3308 N23
-29V 3
-30 -30 3309 F24
3310 N23
4
F2 3311 N23
F2
3312 L23
5
F1 3313 N20
F1
3315 L24
6 3316 K24
STBY
3317 O19
L 3318 K26
7
VCD-ON 3319 H27
VCD-ON
3320 H27
8
NTC 3901 N 3
3902 K 5
3903 K 6
8328 3904 M 7
3905 M 8
HEATSINK
3906 N 5
1264 3907 B 1
3908 L 4
M
+5,1V 1 3920 F12
+5VCD
5901 B 2
5902 A 2
2
GND
5903 L 4
5905 A 4
3
9260 GND 6251 A17
6252 I15
+12V 4
6253 J15
+12M +12M +12V
6255 A18
+12V
6260 H16
6261 I16
N
6262 H17
6263 I17
BC327-25 6264 I20
7290 6265 N21
1265
6267 N17
6269 I22
1
6270 O19
+
6271 O19
+6 - +11V
2 6272 N24
-
6281 M17
6283 I23
6284 E22
6289 F21
O
6290 F20
6292 H23
6293 O18
6294 H15
FAN REGULATION
6295 K18
6296 K26
6297 K26
6298 E25
26 27 28 29