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Easy and secure way to get a complete service manual of a vintage hifi component. Only some parts of the print copy are dificult to read. Nice price!
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The manual is an excellent reproduction with complete schematics, made troubleshooting and repair a simple process.
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Up to now you are the BEST! Prompt-efficient and so reasonable ! I have been after SONY service manual for quite some time !Thank you very much ! I can recomend your service to
all my collegagues ! V.Bergfield .
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This is a very good quality print (scan) of the original SONY service manual. The original from Sony is on very thin paper. Nevertheless it is very clear and sharp and excellent readable. I'm very satisfied to have now this rare document. I've looking for it many years (infrequent). It contains very detailed circuit diagrams, exploded views, part lists, PCB view with good readable connection lines. Very recommended.
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A complete manual with all the needed details of calibrations and service instructions about the radio receiver.
A big deal.
Many thanks !
KRF-V5050D/V5550D/V6050D/V7050D/X9050D
CIRCUIT DESCRIPTION
1. Initial and Backup Function
1-1 Initial State
Below are set value if the microcomputer is initialized when reset: (1) AMP function initialization � POWER POWER OFF (STANDBY) � Input Selector TUNER � Preset device None � Visual output VIDEO1 � Speaker A relay ON � Speaker B relay OFF � Volume -66dB � BASS 0dB � TREBLE 0dB � INPUT LEVEL 0dB � SOURCE DIRECT 0dB � MONITOR 0dB � VIDEO2/MONITOR VIDEO2 � MD/TAPE TAPE � RF BAND BAND 1 (2) SURROUND function initialization � LISTEN MODE STEREO � INPUT MODE CD/DVD DIGITAL AUTO VIDEO2 ANALOG VIDEO3 ANALOG DVD/6ch DIGITAL AUTO � SUBWOOFER ON � FRONT speaker size LARGE � CENTER speaker size NORMAL � SURROUND speaker size NORMAL � DISTANCE Fch 3.0m / 10ft Cch 3.0m / 10ft Sch 1.5m / 5ft � LEFT level 0dB � RIGHT level 0dB � CENTER level 0dB � REAR (SL,SR) level 0dB � SUBWOOFER level 0dB � MIDNIGHT OFF � CINEMA EQ OFF (3) TUNER function initialization � BAND FM � PRESET CHANNEL "--" � Frequency receive Each destination minimum value K1/K2 FM : 87.50 MHz AM : 530 kHz E1 FM : 87.50 MHz AM : 531 kHz � AUTO MANUAL AUTO
1-2 Backup Function
When the AC power supply is turned off, the receiver microcomputer enters the backup mode. As a result, it will return to the last state before the AC OFF when the AC power supply is turned ON again
0 : Pull down,1:Pull up
2. Destination List of Tuner
SET TYPE TYPE K1 1700 K2 1610 K3 1610 RBDS K4 1700 RBDS E1 AM E2 LW E3 RDS E4 T LW RDS Q1 Q RDS FM MW LW FM AM FM MW LW FM L FM H AM FM L Q Q2 RDS FM H MW LW Y, M, I, C, V M Y RBDS 531kHz-1602kHz 87.5MHz-108.0MHz 531kHz-1602kHz 153kHz-279kHz 87.5MHz-108.0MHz 531kHz-1602kHz 87.5MHz-108.0MHz 531kHz-1602kHz 153kHz-279kHz 65.0MHz-74.0MHz 87.5MHz-108.0MHz 531kHz-1602kHz 65.0MHz-74.0MHz 87.5MHz-108.0MHz 531kHz-1602kHz 153kHz-279kHz 9kHz 50kHz 9kHz 9kHz 50kHz 9kHz 50kHz 9kHz 9kHz 10kHz 50kHz 9kHz 10kHz 50kHz 9kHz 9kHz +450kHz +10.7MHz +450kHz +450kHz +10.7MHz +450kHz +10.7MHz +450kHz +450kHz +10.7MHz +10.7MHz +450kHz +10.7MHz +10.7MHz +450kHz +450kHz 9kHz 25kHz 9kHz 9kHz 25kHz 9kHz 25kHz 9kHz 9kHz 5kHz 5kHz 9kHz 5kHz 5kHz 9kHz 9kHz 0 0 0 0 1 1 1 0 0 1 0 1 BAND FM AM FM AM FM AM FM AM FM RECEIVING CHANNEL FREQUENCY RANGE SPACE 87.5MHz-108.0MHz 530kHz-1700kHz 87.5MHz-108.0MHz 530kHz-1610kHz 87.5MHz-108.0MHz 530kHz-1610kHz 87.5MHz-108.0MHz 530kHz-1700kHz 87.5MHz-108.0MHz 100kHz 10kHz 100kHz 10kHz 100kHz 10kHz 100kHz 10kHz 50kHz IF +10.7MHz +450kHz +10.7MHz +450kHz +10.7MHz +450kHz +10.7MHz +450kHz +10.7MHz PLL 25kHz 10kHz 25kHz 10kHz 25kHz 0 10kHz 25kHz 10kHz 25kHz 0 0 1 0 0
Tuner Destination Port PORT3(68PIN) PORT2(67PIN) PORT1(66PIN) PORT0(65PIN) (CP205) (W109) 0 0 (W105) 0 0 (W106) 0 1
K, P, R Y, M, I, C, V Y
0 0
1
0
K, P Y, M, I, C, V, E, X, H T
1
0
1
1
0
0
E, T
0
1
0
1
1
0
1
1
0
0
K2/E1 are decided by Tuner Destination Port 1 input. (0=K2 type 1=E1 type) K3/E1 are decided by Tuner Destination Port 0 input. (0=K3 type 1=E1 type) X 1 1 X
4
Y
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