Sony HCD-DH7BT Service Manual - Page 117
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TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http://www.xiaoyu163.com Q Q 3 7 6 3 1 5 1 5 0 2-4. SCHEMATIC DIAGRAM - KARAOKE Section - HCD-DH3/DH5BT/DH7BT Ver. 1.2 892498299 (Page 9) CN210 13P +9V VMUTE FL GND +4V DET D GND D GND A+9V XM5.4V +11V A GND A GND A GND M201 (FAN) CN203 3P FAN+ FAN- FAN+ C219 47 25V R244 10k R201 2.2 Q207 2SA1235F R202 2.2k R203 2.2 C212 0.1 +9V REGULATOR IC206 BA90BC0T I GO C213 220 10V Q202 2SA1235F OVER CURRENT DETECT R210 10k Q205-207 FAN MOTOR DRIVE Q206 KTC3203Y-AT R207 2.2 R206 2.2 R205 2.2 R225 22k C218 0.1 Q205 2SC3052 R223 2.2k R222 220k R218 47k C217 22 50V TEL CN201 3P 11V GND NC (Refer to page 55 on original service manual) 13 F201 T3.15AL 250V (DH3/DH5BT) CN202 2P VBUS-5V VBUS-GND 9 +5V REGULATOR IC203 KIA7805 C206 40.1 C201 4700 16V I GO 22 C207 9470 10V C205 220 10V +4V REGULATOR IC202 TA7804LS OGI C204 0.1 R444 10k R209 10k Q204 2SC3052 OVER CURRENT 6 5 DETECT C401 1 310 50V Q201 2SC3052 OVER CURRENT DETECT R446 10k C210 0.1 +9V REGULATOR IC205 BA90BC0T I GO C211 1000 10V R445 10k R216 1k C200 1 R217 10k R443 2.2k R242 1k D203 MC2838 D202 MC2838 R213 100k R415 10k R215 10k R414 10k (DH3/DH5BT:AEP,RU,AUS,CH,SP,TW,KR,TH) IC211(1/2) NJM2903M-TE2 R289 0 GND + COMPARATOR R290 0 IC211(2/2) NJM2903M-TE2 VCC + R274 0 + VCC - IC210(2/2) NJM2903M-TE2 COMPARATOR Q QR275 0 + GND 3 7IC210(1/2) NJM2903M-TE2 R214 10k R282 22k R281 1k R280 22k C265 0.1 R288 2.2k R287 220 R286 1k R284 2.2k C261 0.1 C251 47 25V C264 0.1 R267 4.7k R268 4.7k R283 470 C256 2.2 50V R257 4.7k D210 MC2837 R256 47k IC209(2/2) NJM4558M + VCC - R258 47k C257 47 25V R259 0 AC/DC CONVERTER 6 R269 R270 470p 10k D214 1SS355W R272 0 R276 4.7k D213 MC2837 R273 0 C262 2.2 50V 3 1 R277 4.7k R266 47k 5 1 C263 47 25V D211 MC2837 5 R265 2.2k 0 R264 100k + GND - IC209(1/2) NJM4558M C260 470p 8 R262 10k R263 22k 9 2C259 47 25V R250 R236 R245 22 10 10 R251 4.7k R253 47k R252 4.7k C252 100 16V R254 R255 1k 0 C254 47 25V R261 100k C253 0.1 R260 1k R300 100 4 9C258 0.1 8 2 9 9CN206 7P VCC SCORE XVOICE AGND MIC SCORE MUSIC L+R CN204 3P VMUTE V-GND V+5V (Refer to page 36 on original service manual) (CHASSIS) EP201 +5V REGULATOR(DH3/DH5BT) +5.4V REGULATOR(DH7BT) IC201 KIA7805 OGI C202 470 10V (DH3/DH5BT) JR202 0 (DH7BT) D201 11EQS04-TB5 C203 0.1 +3.3V REGULATOR IC204 TA78033LS I GO C208 0.1 C209 1000 6.3V CN205 5P M-GND M+9V SW+3.3V D-GND SW+5V (Page 9) (Refer to page 35 on original service manual) (Refer to page 31 on original service manual) www . x ia o y u 1 6 3 . c o m HCD-DH3/DH5BT/DH7BT 7 7 http://www.xiaoyu163.com
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