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There are currently no product reviews.
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It was very usefull, it is clear the quality is super, the price I paid is very afordable.
Generally speaking Iam very happy with this company.
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The manual was exactly what I needed, Good quality scans too. superb.
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I am so happy found this site as it consists of so many Manuls and easy to aquire. This onei s exactly what I wanted and much more as it has info on not only how to use the tuner but how to repair it as well. I will come here 1st before purchasing else where! Thanks owner-manual.com!
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Top class product, I printed it out on A3 paper and it is clear and very easy to follow.
Cheaper than buying a new radio!
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is part of the manual is very useful for repairing
Here are circuit diagrams
if there is damage, I recommend using this part of the
a complete list of circuit boards and components
HK3370/HK3470
<8> PHONES P. C. BOARD(e) REMOVAL. 1. Remove the Chassis-top(44), referring to the previous step<1>. 2. Remove the Front-panel ASS'Y(AA), referring to the previous step<2>. 3. Disconnect the lead wire(CW 801, 3P) from connector(CN 401) on the Amp P. C. Board(h). 4. Remove 2 screws(E) and then remove the Phones P. C. Board(e). <9> POWER P. C. BOARD(f) REMOVAL. 1. Remove the Chassis-top(44), referring to the previous step<1>. 2. Remove the Front-panel ASS'Y(AA), referring to the previous step<2>. 3. Disconnect the lead wire(CW 801, 5P) from connector(CN 302) on the Front P. C. Board(d). 4. Remove 2 screws(J) and then remove the Power P. C. Board(f). <10> STANDBY P. C. BOARD(g) REMOVAL. 1. Remove the Chassis-top(44), referring to the previous step<1>. 2. Remove the Front-panel ASS'Y(AA), referring to the previous step<2>. 3. Remove 2 screws(J) and then remove the Standby P. C. Board(g). <11> TUNER P. C. BOARD(j) REMOVAL. 1. Remove the Chassis-top(44), referring to the previous step<1>. 2. Remove 21 screws(G,K) and then remove the Chassis-back(41). 3. Pull out the Tuner P. C. Board(j). <12> RADIATOR ASS'Y(AB) REMOVAL. 1. Remove the Chassis-top(44), referring to the previous step<1>. 2. Disconnect the connector(CN 401) from lead wire(CW 801, 3P) on the Phones P. C. Board(e). 3. Disconnect the lead wire(CW 403, 4P) from connector(CN 111, CN 112) on the Main P. C. Board(i). 4. Disconnect the lead wire(CW 402, 10P) from connector(CN 107) on the Main P. C. Board(i). 5. Disconnect the lead wire(CW 401, 4P) from connector(CN 108) on the Main P. C. Board(i). 6. Remove 7 screws(I) and then pull out the Radiator Ass'Y(AB). <13> AMP P. C. BOARD(h) REMOVAL. 1. Remove the Chassis-top(44), referring th the previous step<1>. 2. Remove the Radiator Ass'Y(AB), referring to the Previous step<12>. 3. Disconnect the connector(CN 402) from lead wire(posistor, 2P) on the Radiator-main (21). 4. Remove 4 screws(D) and then remove the Amp P. C. Board(h). <14> POWER TRANS(38) REMOVAL. 1. Remove the Chassis-top(44), referring to the previous step<1>. 2. Disconnect the lead wire(2P) from connector(CN 103) on the Main P. C. Board(i). 3. Disconnect the lead wire(3P) from connector(CN 104) on the Main P. C. Board(i). 4. Disconnect the lead wire(6P) from connector(CN 105) on the Main P. C. Board(i). 5. Disconnect the lead wire(3P) from connector(CN 106) on the Main P. C. Board(i). 6. Remove 4 screws(B) and then remove the Power trans(38). <15> MAIN P. C. BOARD(i) REMOVAL. 1. Remove the Chassis-top(44), referring to the previous step<1>. 2. Remove the Tuner P. C. Board(j), referring to the previous step<11>. 3. Disconnect the connector(CN 109) from lead wire(CW 701, 10P) on the Volume P. C. Board(b). 4. Disconnect the connector(CN 108) from lead wire(CW 401, 4P) on the Amp P. C. Board(h). 5. Disconnect the connector(CN 115) from connector(CN 301, card cable) on the Front P. C. Board(d). 6. Disconnect the connector(CN 107) from lead wire(CW 402, 10P) on the Amp P. C. Board(h). 7. Disconnect the connector(CN 106) from lead wire(3P) on the Power-trans(38). 8. Disconnect the connector(CN 105) from lead wire(6P) on the Power-trans(38). 9. Disconnect the connector(CN 113) from lead wire(CW 301, 7P) on the Front P. C. Board(d). 10. Disconnect the connector(CN 104) from lead wire(3P) on the Power-trans(38). 11. Disconnect the connector(CN 111, CN 112) from lead wire(CW 403, 4P) on the Amp P. C. Board(h). 12. Disconnect the connector(CN 102) from lead wire(CN 801, 2P) on the Standby P. C. Board(g). 13. Disconnect the connector(CN 103) from lead wire(2P) on the Power-trans(38). 14. Disconnect the connector(CN 101) from Ac cord(40).
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