Philips FW-R8/17 Service Manual page 65

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9-5
1 2 3 4
POWER 5-VA SUPPLY PART 70/100W Version
A
9901 9903
1901 5902 5905
trf-ee25
2 1905
T6.3A UL
T5A IEC
1
B
LC121503-PCT
5901
9902
9916
C
D
E
F
G
H
I
J
K
1903 for /21only
T200mA
3908 not /21
470Ω
L 5
120Ω for/37
4
3
2
M
1
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 70/100W CDR (2000-02-22)
1 2 3 4
5 6 7 8 9 10 11
PRIMARY TRAFO
1909 8902
trf8
9925
7 ( 4 ) 4
6 230V 9924
5 ( 3 ) 3
5 10V
trf7
4
110V
120V
trf6
9915 9923
3 ( 2 ) 2
230V trf5
3 9906
2
1907 9922
1 ( 1 ) 1
1 trf4
T-2,5A
120V 120V
9917 9921
3 ( 2 ) 2
9905 trf3
1906
1 9920
1 ( 1 )
T-2,5A
1910 8901
Voltage Selector for /21 only
ST.BY REL. 12V MODE
L OFF OFF ST.BY
Z ON OFF CLOCK
H ON ON 12V ON MODE
6911 6912
1N4148 1N4148
9910
6900
1N4003
5903
6
6901 6903
1N4003 1N4003
5,5V
7 7901
12,7V 12,7V
10V
BC327-25 6909 12V
25,3V 3V
8
1N4003
6902 6904
9
5,5V 25V 12V
1N4003 1N4003
10V
15k for
10
/00,/17
25V 6,5V
7,2V
8,3V 7902
BC547B
AB = DISABLE CLASS H
12,6V
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
5 6 7 8 9 10 11
9-5
12 13 14 15 16 17 18
14 8
AMPLIFIER SUPPLY
1 1
1911 1914
trf10
1920 1 1 2 2
T-5A
trf11
1921 2 2
T-5A
3 3 63V
trf12
3 3
4 4
trf13
1922 4 4
T-5A
trf14
1923 5 5
5 5
T-5A
*
1280
T-1A
3282
47R
9930
1912
trf15 3920
1
1R
trf16
1
2
4,9V
trf17
3 2
3 NTC
4
trf18
4
0010
+VL +33V
1913 9
+23,5V
trf19
1924
1 1
6260 6262
T-2,5A
1N5392 1N5392
11V
trf20
1925
2 2
T-1,6A
6261 6263
11V 1N5392 1N5392
trf21
3 3
+13,5V
3260 BC547B
27
0R33
AUX-SUPPLY
1258
REL
1
1 12V
REL +V
MFD +11V
2 2
MFD
3
7292
+V +V
3 BD242BFI
6295
4 12V +11V +5,6V
GND
1N4148
GND
4 7281
7805CP
3279
1R
9256 +11V I O
+0,6V
G
D D D
+5,6V-STABILIZER
9261 +V
6267 +11V
5V
+5V 1N4148
7280
BC547B +8,2V
-0,2V
POWER DOWN CIRCUIT
12 13 14 15 16 17 18
Digitized in Heiloo Netherlands
19 20 21 22 23 24 25
+43V
+VH
6255
GBU8D
+43V
+VL
Printed Fuse
In case of damage insert Fuse T1A
4822 071 51002
2256
-43V
47n
-VL
3k3 for DPL
Printed Fuse
In case of damage insert Fuse T1A
-43V
4822 071 51002
-VH
DISPLAY-SUPPLY DC PROTECTION CIRCUIT
-39V
5V6 5V6
7286 7282
9254 BC327-40 BC327-40 -29V
-49V
+5,6V +5,6V
-30
3254
680R
6298
-40V -30V
7266
BC557B BZX79C6V8
3285 3286
7268
3k3 3k3 NTC
6k8 for 100W 6k8 for 100W BC547B
3309 6299
33k
1N4148
A
-24V
F2
-24V HST1
F1
5V6
+VH
+5,6V 2303
+12V REGULATOR
10n
6301
+12V
+12M
6292
1N4148
2267
7265
1N4148 +5V6
BC556B
100u/50V
+25V +12V
9253
+5,6V
+12A
7251
BDX53BFI
+13,5V
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
0V
7255
+5V
5V
ON/OFF CONTROL FOR RELAY, +12V
A A
+V
+11V
5V
+5V
7253
7260 +4,6V
BC547B
BC547B
+0,6V
5V6 39k
3306 +4V
+5,6V
NTC
+4V
7263
BC337-25
+1,2V
7262
BC547B
+0,5V
PD 6265
3256 +5,6V
5V6
1k
BZX79C5V6
RELAY CONTROL CIRCUIT
19 20 21 22 23 24 25
2/4/2018
9-5
26 27 28 29
0010 G14 6299 F24
0011 B29 6301 H24
0011
1258 K14 6302 H25
+42V
1261 F29 6900 K 9
1
+VH +VH
1262 H29 6901 L 6
1263 M29 6902 M 6
+42V
2
+VL 1264 M29 6903 L 7
+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
-42V 1906 C 6 7252 J20
6
-VL
-VL 1907 C 6 7253 L23
1909 A 7 7255 J18
-42V
7 1910 D 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
1921 A12
1268 7280 N17
1922 B12 7281 L17
-42V 11
-VL 1923 C12 7282 E20
-VL
1924 H12 7283 M23
1925 I12 7284 O23
10
-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
7 2258 C19 8901 D 8
GNDC 2260 C20
8902 A 8
2262 C20 9 H14
+42V 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
-42V 4,5V
3 2271 I21 9261 N17
AMP_OFF
2279 M17
9276 A16
2280 J16 9280 C16
2
2281 J16
HST2 9900 N 8
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 9913 G 1
8
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 9921 C 9
5
2906 N 7 9922 C 9
3248 O23 9923 B 9
4
3249 O24 9924 A 9
L
3250 O24 9925 A 9
3
-42V 4,5V
3251 H18 9927 A13
AMP OFF
G 3252 I18 9928 C13
2
0V 3253 O20 9930 E12
DC
3254 E24 trf10 A11
1 3255 I19
+4,5V 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
7 trf5 B10
R 3272 C21 trf6 B10
3273 H23 trf7 A10
6
AMP ON 3274 C19 trf8 A10
3275 C18
+12V 5 I 3278 C21
+12A +12A 3279 L17
4 3280 O17
A 3281 N18
A
3 3282 E18
+12V
+12M 3283 I23
+12M
2 3284 I23
3285 F19
D
D 3286 F20
1
3287 F22
5V6 5V6
3288 F21
J 3289 F21
3290 O26
3268 3295 N26
3296 O27
10k
3298 N27
3299 N28
1263 3300 N27
3301 F25
6296 1 3302 E24
3267 AB
3304 H24
3k9 3305 H25
2
PD K
1N4148 PD 3306 L23
3308 N23
-29V 3
-30
-30 3309 F24
3310 N23
4
F2 F2 3311 N23
3312 L23
5
F1 F1 3313 N20
3315 L24
6
3316 K24
STBY
3317 O19
3318 K26
L
7
CDR-ON CDR-ON 3319 H27
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
1 3920 F12
CDR-ON CDR-ON 5901 B 2
2 5902 A 2
GND 5903 L 4
5905 A 4
3
9260
6251 A17
GND
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