Sony STR-DB830 Service Manual - Page 7

STR-DB830/DB930/V929X Ver 1.1 2002. 02 4-2. BLOCK DIAGRAM POWER SECTION L C W B SL DATA CLK LAT VOLUME RV401 IC408 VOL CONT IC414 DATA CLK LAT 14 IN OUT 15 9 DATA 8 CLK 10 LAT IC410 VOL CONT IC416 3 IN OUT 2 IC410 14 IN OUT 15 DATA CLK LAT 9 DATA 8 CLK 10 LAT IC409 VOL CONT IC415 DATA CLK LAT 14 IN OUT 15 9 DATA 8 CLK 10 LAT M +VDD -VDD +VDD -VDD +VDD -VDD AC MUTE PROTECTOR PRE RY C RY HP SP/A RY SP/B RY RY CENTER RY WOOFER RY REAR MUTE Q501,503 POWER AMP(L) IC501 13 VCC 14 VCC 15 VEE +VE 2 BOOSTER Q506 6 IN NF 5 Q504, Q505 BIAS 1 MUT -VE 3 POWER AMP(C/W) IC601 13 VCC 14 VCC 15 VEE +VE 12 8 IN NF 9 Q604, Q605 BIAS BOOSTER Q507 BOOSTER Q606 -VE 11 1 MUT 6 IN +VE 2 -VE 3 BOOSTER Q607 POWER AMP(SL) IC701 13 VCC 14 VCC 15 VEE +VE 2 BOOSTER Q706 6 IN NF 5 Q704, Q705 BIAS 1 MUT -VE 3 BOOSTER Q707 CUR DET Q598 AF DETECTOR Q509,510 Q511 CUR DET Q698 AF DETECTOR Q609,610 Q611 CUR DET Q798 PROTECTOR Q547-549 AF DETECTOR Q709,710 RELAY DRIVE Q601 RY602 RELAY DRIVE Q546 RELAY DRIVE Q596 RY501 RY502 RELAY DRIVE Q645 RY601 RELAY DRIVE Q681 RY681 RELAY DRIVE Q745 RY701 RELAY DRIVE Q671 RY671 R CH R CH R CH R CH R CH R CH US,Canadian MODEL J258 TV/SAT CONTL S STATUS IN J257 MONITOR CONTROL S IN J255 VIDEO 1 CONTL S OUT J256 DVD/LD CONTL S OUT RY POWER STOP RESET URESET USREQ UMREQ D UCLOCK UDATA FLASH DO FLASH DI MD2 MD0 RV101 RV102 D140-145 29 RDS DATA A RDS CLK ANT LEVEL IC103 2 8 MOTOR DRIVE 4 5 54 RDS DATA 53 RDS CLK 46 RDS SIGNAL 55 UP 56 DOWN Q255,256 LEVEL CONTROL Q257,258 LEVEL CONTROL Q254 LEVEL CONTROL BUFFER Q253 Q251,252 SWITCH 3 1 2 IC254 5 IC254 7 6 9 6 ST-I/O 11 IC253 4 49 51 20 19 61 62 60 58 59 78 79 75 76 12345 PHONO TUNER CD MD/DAT TAPE JOG UP JOG DOWN USREQ FUNCTION UP FUNCTION DOWN UDATA UCLOCK UMREQ URESET MD0 MD2 SINO SOTO MODE CONTROL IC102 KEY INPUT 4 KEY INPUT 5 KEY INPUT 3 KEY INPUT 2 KEY INPUT 1 MBUS TV MBUS STA OUT MBUS VIDEO 1 MBUS DVD 95 96 93 94 38 39 40 41 43 FUNCTION KEY S126-128 FUNCTION KEY S119-121 S131 FUNCTION KEY S115-118 S129,130 FUNCTION KEY S111-114 S122-124 FUNCTION KEY S103-110 LED DATA LED CLK LED CE LED CLR D122,123,136-140 D147,149-157 1 7 . 9 15 . 20 29 LED DRIVER IC108 16 17 18 19 88 87 89 90 DB930/V929 MODEL +B Q129,130 SIRCS DET. D124,125,128 IC107 X101 16MHz 82 83 XO XI IC106 SIRCS 15 X102 7.82MHz 16 XO XI 2 CARR OUT 33 SIRCS IN LAT 5 CA1 I 11 CA1 O 12 RESET 14 Q105 CTL I/O LAT 98 99 RESET POWER RY 7 SIRCS 26 URESET 58 RESET 77 ABUS A1 IN ABUS OUT FL DAT FL CLEAR FL LAT FL CLK SP A SP B POWER KEY 64 65 66 21 24 25 22 67 STOP 47 63 SPEAKER SWITCH S102 S101 POWER 34 26 24 29 4 5 30 DIN CL LS CLK CLR LAT CLK DIN 29 IC104 FL DRIVE F2 3 DOUT IC105 FL DRIVE F1 FL101 FLOURESCENT INDICATOR TUBE Q104 I/O BUFFER J701 PHONES L A TM501 R FRONT SPEAKER L B R • R-CH is omitted due to same as L-CH. • Signal Path :FM :CD C TM701 S(L) SURROUND SPEAKER S(R) L JJ101 SUB WOOFER R L REAR R L FRONT R JJ102 CENTER +5V PRE OUT +15V -15V +32V 1 +5V REG 3 Q801 +32V REG IC401 3 +15V REG 1 IC402 3 -15V REG 2 D801 S801 IMPEDANCE SELECTOR 48 T901 F801 D1209 Q101 +VDD -VDD SWITCH Q613 +24V F802 D802-805 F803 F804 DIGITAL PWB FROM SUFFIX-12 DISP +5V CODEC +5V DIGITAL +5V CONT µCOM ETC DISP µCOM+5.6V D1208 IC101 REMOTO CONTROL RECEIVER RESET Q103 D1211 +6.2 REG Q1205 3 8 RESET 5 IC1206 6 IC1207 3 +5V REG 1 IC1501 3 +5V REG 1 IC1203 3 +3.3V REG 1 IC1204 3 +5V REG 1 IC1205 3 +6.2V REG 1 D806-809 F805 F2 F1 RELAY DRIVE Q901 RY901 D901-904 T902 JW927 JW928 J204 S-LINK - 9 - - 10 - F901 EXCEPT US,Canadian MODEL F903 US,Canadian MODEL JW925 CNJ901 CNP901 AC IN