Panasonic SA-AK770GCP Service Manual Download

Page: 108 / 138

1/2

2/2

SA-AK770PL/GCP SMPS CIRCUIT

TO SMPS

SECTION (1/2)

SCHEMATIC DIAGRAM - 18

SMPS CIRCUIT

: +B SIGNAL LINE

: -B SIGNAL LINE

-VCC

+VCC

IC5780

SYS6V

C5712

400V470...GCP

200V820...PL

IC5799

MIP4110MSSCF

1000V47P

C5797

R5795

43K

D5797

MA2J72800L

22P

C5794

R5787 75K

2.2K

R5796

50V2.2

C5791

0.1

C5796

2200P

C5795

R5797

4.7K

C5703

F0C2H1040001

0.1...GCP

F0CAF224A085

0.22...PL

B0FBAR000041

D5701

39K

R5893

SYNC

C5899 16V220

D5730

MA2J11100L

D5798

B0HAMP000094

390K

R5704

390K

R5705

R5798

C5798

50V56

PC5702

B3PBA0000402

PC5799

100

R5897

Q5898

IC5899

C0DAEMZ00001

B1ABCF000176

R5896

100K

C5897

0.1

2.2K

R5890

R5894

B0EAMM000057

D5896

B0HAMP000094

D5793

C5790

2200P

R5891

33K

200K

R5786

ETS19AB256AG

BACKUP TRANSFORMER

SWITCHING REGULATOR

T5751

4.7K

R5892

100

R5895

0.1

C5898

INVERTER

SYNC SWITCH

FEED BACK

VDD

VCC

SHUNT REGULATOR

TH5701

D4CAA5R10001

BLK

RED

AC INLET CIRCUIT

IN SCHEMATIC

DIAGRAM -10

BLU

WHT

VOLTAGE SELECTOR

CIRCUIT

IN SCHEMATIC

DIAGRAM -10

C5711 400V470

FOR

GCP

ONLY

FOR GCP ONLY

FOR PL ONLY

C5750

0.1

FOR GCP ONLY

0.1

FOR GCP ONLY

C5788

C5789

0.1

C5793

0.1

C5799

50V56

R5751

22K

R5752 2.2K

22K

R5788

22K

R5789

R5790

33K

56K

R5791

R5792 390K

R5794 390K

R5793 390K

R5799

D5795

B0BC5R000009

D5796

D5799

B1ABCF000176

Q5750

INVERTER

C0ABBA000168

OP AMP

IC5780

MA2J11100L

B0HAMP000094

SA-AK770PL / SA-AK770GCP

108

Summary of Contents for SA-AK770GCP

Page 1: ...erved Unauthorized copying and distribution is a violation of law SA AK770PL SA AK770GCP Colour K Black Type Sensitivity 100 mV 4 0 k Ω Terminal Stereo 3 5 mm jack Headphone jack Terminal Stereo 3 5 mm jack Output level CD 1 kHz 20 dB 32 Ω Max Mic jack Sensitivity 0 7 mV 1 2 k Ω Terminal Mono 3 5 mm jack 1 system CASSETTE DECK SECTION Type 1 way Track system 4 track 2 channel Heads Record playback...

Page 2: ...20 V 60Hz PL only AC 110 to 127 220 to 240 V 50 60 Hz GCP only Power consumption 164 W PL Only 145 W GCP Only Dimensions WxHxD 250 x 331 x 334 mm Mass 4 9 kg Operating temperature range 0 to 40 C Operating humidity range 35 to 80 RH no condensation Power consumption in standby mode 0 3 W approx PL only 0 5 W approx GCP only SYSTEM SC AK770 PL Music center SA AK770 PL Speakers SB AK770 PL Subwoofer...

Page 3: ...en 1MΩ and 5 2MΩ When the exposed metal does not have a return path to the chassis the reading must be 1 1 2 Leakage Current Hot Check See Figure 1 1 Plug the AC cord directly into the AC outlet Do not use an isolation transformer for this check 2 Connect a 1 5kΩ 10 watts resistor in parallel with a 0 15µF capacitor between each exposed metallic part on the set and a good earth ground such as a wa...

Page 4: ...cause of the problem and correct it 3 Turn on the power once again after one minute Note When the protection circuitry functions the unit will not operate unless the power is first turned off and then on again 1 5 Safety Part Information Safety Parts List There are special components used in this equipment which are important for safety These parts are marked by in the Schematic Diagrams Replaceme...

Page 5: ... a known earth ground Alternatively obtain and wear a commercially available discharging ESD wrist strap which should be removed for potential shock reasons prior to applying power to the unit under test 2 After removing an electrical assembly equiped with ES devices place the assembly on a conductive surface such as aluminium foil to prevent electrostatic charge build up or exposure of the assemb...

Page 6: ...ible cable of the optical pickup unit removed should be short circuited with a short pin or a clip 3 The flexible cable may be cut off if an excessive force is applied to it Use caution when handling the flexible cable 4 The antistatic FPC is connected to the new optical pickup unit After replacing the optical pickup unit and connecting the flexible cable cut off the antistatic FPC 3 2 Grounding f...

Page 7: ...7 SA AK770PL SA AK770GCP ...

Page 8: ...er from pickup 100 µW VDE Laser radiation from the pickup unit is safety level but be sure the followings 1 Do not disassemble the pickup unit since radiation from exposed laser diode is dangerous 2 Do not adjust the variable resistor on the pickup unit It was already adjusted 3 Do not look at the focus lens using optical instruments 4 Recommend not to look at pickup lens for a long time 8 SA AK77...

Page 9: ...ing Lead Free Solder PbF The lead free solder has to be used when repairing the equipment for which the lead free solder is used Definition The letter of PbF is printed on the PCB using the lead free solder To put lead free solder it should be well molten and mixed with the original lead free solder Remove the remaining lead free solder on the PCB cleanly for soldering of the new IC Since the melt...

Page 10: ...6 Operation Procedures 6 1 Main Unit Key Buttons Operations 10 SA AK770PL SA AK770GCP ...

Page 11: ...6 2 Remote Control Key Buttons Operations 11 SA AK770PL SA AK770GCP ...

Page 12: ...6 3 Using the Music Port This feature enables you to enjoy music from a portable audio equipment 12 SA AK770PL SA AK770GCP ...

Page 13: ...6 4 Connecting and Playing a USB Mass Storage Class Device 13 SA AK770PL SA AK770GCP ...

Page 14: ...Version Display Refer to section 7 2 2 service mode Table 2 for more information 4 CD USB Recording Playing inspection Refer to section 7 2 2 service mode Table 2 for more information 5 CD MP3 Reading Playing inspection Refer to section 7 2 2 service mode Table 2 for more information 1 1 CD Loading Test Mode Refer to section 7 2 2 service mode Table 2 for more information 1 2 CD Traverse Unit Test...

Page 15: ...on main unit or remote control Display 1 In doctor mode 2 Press 8 button on remote control To exit Doctor Mode press button on main unit or remote control Display 1 In doctor mode 3 Press 9 button on remote control To exit Doctor Mode press button on main unit or remote control Micro P Version Display Checking of various items and firmware version Note The micro processor version as shown is an ex...

Page 16: ...t completed by IDS or the traverse is out of focus In doctor Mode 1 Press 1 2 button on remote control To cancel press PROGRAM button on remote control To exit Doctor Mode press button on main unit or remote control CD Combination Test Mode A combination of CD loading Traverse unit test In doctor Mode 1 Press 1 3 button on remote control To cancel press PROGRAM button on remote control To exit Doc...

Page 17: ...te cold start ipon next AC power up In service mode 1 Press 3 button on remote control To exit Service Mode press button on main unit or remote control 7 3 Reliability Test Mode CR14C Mechanism Below is the process flow chart of ageing for the Mechanism unit CR14C 17 SA AK770PL SA AK770GCP ...

Page 18: ...18 SA AK770PL SA AK770GCP ...

Page 19: ... information on any problems occuring for the unit and its respective components by displaying the error codes These error code such as U H and F are stored in memory and held unless it is cleared The error code is automatically display after entering into self diagnostic mode 19 SA AK770PL SA AK770GCP ...

Page 20: ...t error UNLD Unload operation faulty The unload operation cannot complete when time out Falsaf reverse operates again then time out again it is memorized For CD Mechanism unit CR14C Press EXCHANGE on main unit for next error UP Exchange open operation faulty The exchange open operation cannot complete when time out operation time out again it is memorized For CD Mechanism unit CR14C Press EXCHANGE...

Page 21: ...ANGE on main unit for next error INITIALIZE Initialize operation faulty The initialize operation cannot complete it is memorized For CD Mechanism unit CR14C Press EXCHANGE on main unit for next error 7 4 3 Error Code Table For Power Supply Error Code Diagnosis Contents Description of error Automatic FL Display Remarks F61 Power Amp IC output abnormal Upon power on PCNT HIGH DCDET2 L after checking...

Page 22: ...st Section 23 if necessary Caution After replacing of Mechanism Unit CR14C ageing test is necessary Please confirm operation for Mechanism Unit CR14C Disassembly of Top Cabinet Disassembly of Mechanism Unit CR14C Disassembly of Jupiter USB P C B Disassembly of Fan Unit Disassembly of Rear Panel Disassembly of Front Panel Unit Disassembly of Panel P C B Tact Switch P C B Remote Sensor P C B Side Ba...

Page 23: ...cement for Switch Regulator Diode D5702 Replacement for Regulator Diode D5801 Replacement for Regulator Diode D5802 Replacement for Regulator Diode D5803 Disassembly of AC Inlet P C B Disassembly of Voltage Selector P C B For GCP Only 23 SA AK770PL SA AK770GCP ...

Page 24: ...he following chart is the procedure for disassembling the casing and inside parts for internal inspection when carrying out the servicing To assemble the unit reverse the steps shown in the chart as below 24 SA AK770PL SA AK770GCP ...

Page 25: ...8 3 Main Components and P C B Location 25 SA AK770PL SA AK770GCP ...

Page 26: ...p 3 Lift the sides of Top Cabinet outwards as arrow shown Step 4 Push the Top Cabinet backwards to release the catches Step 5 Lift up the Top Cabinet and remove it in the direction of arrow 8 5 Disassembly of Mechanism Unit CR14C Follow the Step 1 Step 5 of Item 8 4 Step 1 Remove 1 screw at rear panel 26 SA AK770PL SA AK770GCP ...

Page 27: ...ctor CN1113 at USB Connector Led P C B Step 7 Release the claws outwards on both sides Step 8 Release catches at both sides Special Note During reassembling procedure ensure both the claws and catches are fully catched Assembly is secured upon hearing a click sound Step 9 Release the tabs at the bottom of the front panel Caution Do not exert strong force when releasing the tabs Step 10 Shift the f...

Page 28: ...iginal Service Manual for the Disassembly and Assembly of the Mechanism Unit CR14C 2 During reassembling procedure ensure the Mechanism Unit CR14C is seated properly at the locators 8 6 Disassembly of Jupiter USB P C B Follow the Step 1 Step 5 of Item 8 4 Follow the Step 1 Step 12 of Item 8 5 Step 1 Remove 2 screws Step 2 Remove Jupiter USB Unit Step 3 Release all the catches Step 4 Remove Jupiter...

Page 29: ...upiter USB P C B 8 7 Disassembly of Fan Unit Follow the Step 1 Step 5 of Item 8 4 Step 1 Detach 2P wire cable at connector CN2810 at Main P C B Step 2 Remove 2P wire cable from the hook Step 3 Remove 1 screw at the rear panel Step 4 Lift the Fan Unit slightly as arrow shown Step 5 Remove the Fan Unit 29 SA AK770PL SA AK770GCP ...

Page 30: ...ollow the Step 1 of Item 8 7 Step 1 Remove 9 screws at rear panel For PL only Step 1 Remove 10 screws at rear panel For GCP only Step 2 Slide the Voltage Seclector P C B as arrow shown Step 3 Slightly lift up the Mechanism Unit CR14C from the 2 locators Step 4 Release 2 catch from the side panel Step 5 Remove the rear panel 30 SA AK770PL SA AK770GCP ...

Page 31: ... 10P FFC cable at connector CN2807 at Main P C B Step 5 Detach 2P wire cable at connector CN2001 at Main P C B Step 6 Detach 5P wire cable at connector CN1113 at USB Connector Led P C B Step 7 Detach the front panel unit 8 10 Disassembly of Panel P C B Tact Switch P C B Remote Sensor P C B Side Bar L Led P C B Side Bar R Led P C B Follow the Step 1 Step 5 of Item 8 4 Follow the Step 7 Step 10 of I...

Page 32: ...ws at Panel P C B Step 3 Remove 2 screws at Tact Switch P C B Step 4 Release 2 catches at Panel P C B Step 5 Release 6 catches at Tact Switch P C B Step 6 Release 2 catches at Remote Sensor P C B 32 SA AK770PL SA AK770GCP ...

Page 33: ...h 4P connector CN6604 at Side Bar L Led P C B at Panel P C B Disassembly of Side Bar R Led P C B Step 10 Detach 4P connector CN6602 at Side Bar R Led P C B at Panel P C B Caution 1 During assembling of the P C B s ensure that the diode shown on Tact Switch P C B are in upright position 2 During reassembling procedures ensure that D Bass knob is seated properly 33 SA AK770PL SA AK770GCP ...

Page 34: ... shown Step 2 Remove 2 screws at Mic P C B Step 3 Release 1 catch at Mic P C B Step 4 Detach 7P FFC wire cable at connector CN6701 at Mic P C B 8 12 Disassembly of USB Connector Led P C B Follow the Step 1 Step 5 of Item 8 4 Follow the Step 7 Step 10 of Item 8 5 Follow the Step 1 Step 7 of Item 8 9 Step 1 Remove 2 screws at USB Connector Led P C B 34 SA AK770PL SA AK770GCP ...

Page 35: ...e Step 1 Step 5 of Item 8 4 Follow the Step 7 Step 10 of Item 8 5 Follow the Step 1 Step 7 of Item 8 9 Step 1 Remove the spring as arrow shown in order of sequences 1 to 3 Step 2 Remove CD Lid as arrow shown Note Please ensure that the spring is assembly at right position 8 15 Disassembly of Deck Mechanism Unit Follow the Step 1 Step 5 of Item 8 4 Follow the Step 7 Step 10 of Item 8 5 Follow the S...

Page 36: ...w the Step 1 Step 5 of Item 8 4 Follow the Step 7 Step 10 of Item 8 5 Follow the Step 1 Step 7 of Item 8 9 Follow the Step 1 Step 3 of Item 8 15 Step 1 Remove 3 screws Step 2 Desolder 2P wire at the motor terminal Step 3 Detach 9P cable at connector CP1902 on Deck P C B Step 4 Detach connector CP1301 from the head connector 36 SA AK770PL SA AK770GCP ...

Page 37: ... 8 15 Follow the Step 1 Step 4 of Item 8 16 8 17 1 Replacement of Pinch Roller and Head Block Step 1 Release catch to remove the Pinch Roller F Assy Step 2 Release the catches to remove the head connector Step 3 Remove 2 screws at the Deck Mechanism unit Step 4 Remove head block 8 17 2 Replacement of Motor Capstan Belt A Capstan Belt B and Winding Belt 37 SA AK770PL SA AK770GCP ...

Page 38: ...38 SA AK770PL SA AK770GCP ...

Page 39: ... 8 19 Disassembly of Cassette Lid Follow the Step 1 Step 5 of Item 8 4 Follow the Step 7 Step 10 of Item 8 5 Follow the Step 1 Step 7 of Item 8 9 Follow the Step 1 Step 3 of Item 8 15 Step 1 Remove the spring Step 2 Push the cassette lid in the direction of arrows 8 20 Rectification for Tape Jam Problem Follow the Step 1 Step 5 of Item 8 4 Step 1 If a cassette tape cannot be removed from the deck ...

Page 40: ...1 Disassembly of Traverse Unit Follow the Step 1 Step 5 of Item 8 4 Follow the Step 1 Step 14 of Item 8 5 Step 1 Flip over the traverse unit Step 2 Desolder 4 solder points Step 3 Remove 3 screws Step 4 Flip over the CD Servo P C B Step 5 Detach the 16P FFC cable at connector CN7001 at CD Servo P C B 40 SA AK770PL SA AK770GCP ...

Page 41: ...he Step 1 Step 12 of Item 8 5 Step 1 Detach 17P FFC cable at connector CN5050 at D Amp P C B Step 2 Detach 8P wire connector CN5500 at D Amp P C B Step 3 Detach 2P wire connector CN2820 at Main P C B Step 4 Remove 2 screws at D Amp P C B chassis support 41 SA AK770PL SA AK770GCP ...

Page 42: ...port as arrow shown Step 7 Remove 3 screws from D Amp P C B Step 8 Lift up D Amp P C B as arrow shown Note During reassembling procedures ensure the P C B is seated properly at the chassis support Disassembly of Fan Unit Step 9 Remove 1 screw at fan unit detach to the chassis 42 SA AK770PL SA AK770GCP ...

Page 43: ...n of arrow shown Step 5 Remove Audio Digital Amp IC IC5400 from the heat sink unit A Caution Handle the heat sink Unit A power unit with caution due to its high temperature after prolonged use Touching it may lead to injuries 8 23 1 Assembly of Audio Digital Amp IC IC5400 Step 1 Fix the Audio Digital Amp IC onto the heat sink unit A Step 2 Screw back TR Spring onto the heat sink unit A Make sure i...

Page 44: ... arrow shown Step 5 Remove Audio Digital Amp IC IC5000 from the heat sink unit A Caution Handle the heat sink Unit A power unit with caution due to its high temperature after prolonged use Touching it may lead to injuries 8 24 1 Assembly of Audio Digital Amp IC IC5000 Step 1 Fix the Audio Digital Amp IC onto the heat sink unit A Step 2 Screw back TR Spring onto the heat sink unit A Make sure it is...

Page 45: ... arrow shown Step 5 Remove Audio Digital Amp IC IC5200 from the heat sink unit A Caution Handle the heat sink Unit A power unit with caution due to its high temperature after prolonged use Touching it may lead to injuries 8 25 1 Assembly of Audio Digital Amp IC IC5200 Step 1 Fix the Audio Digital Amp IC onto the heat sink unit A Step 2 Screw back TR Spring onto the heat sink unit A Make sure it is...

Page 46: ...Detach 2P wire cable at connector CN1112 at Main P C B Step 3 Detach 21P FFC cable at connector CN2011 at Main P C B Step 4 Detach 10P FFC cable at connector CN2807 at Main P C B Step 5 Detach 2P wire cable at connector CN2001 at Main P C B Step 6 Detach 2P wire cable at connector CN2810 at Main P C B Step 7 Detach 11P wire cable at connector CN5802 at SMPS P C B Step 8 Remove 2 screws 46 SA AK770...

Page 47: ...th care 8 27 Replacement of Voltage Regulator IC IC2761 Follow the Step 1 Step 5 of Item 8 4 Follow the Step 1 Step 12 of Item 8 5 Follow the Step 1 Step 6 of Item 8 22 Follow the Step 1 Step 10 of Item 8 26 Step 1 Desolder pins of the Voltage Regulator IC IC2761 on the reverse side of Main P C B Step 2 Remove 1 screw form the Main P C B 47 SA AK770PL SA AK770GCP ...

Page 48: ...ransistor Q2751 Follow the Step 1 Step 5 of Item 8 4 Follow the Step 1 Step 12 of Item 8 5 Follow the Step 1 Step 6 of Item 8 22 Follow the Step 1 Step 10 of Item 8 26 Step 1 Desolder pins of the Switch Transistor Q2751 on the reverse side of Main P C B Step 2 Remove 1 screw form the Main P C B Step 3 Remove the Switch Transistor Q2751 from the heat sink Caution Handle the heat sink with caution d...

Page 49: ...t up the SMPS P C B as arrow shown Step 4 Flip the SMPS P C B and desolder 2 wire pins red and black For GCP Only Step 5 Desolder 2 wire pin White and blue Note During reassembling procedures ensure the P C B is seated properly at the locator 8 30 Replacement of Switch Regulator IC IC5701 Follow the Step 1 Step 5 of Item 8 4 Follow the Step 1 Step 12 of Item 8 5 Follow the Step 1 Step 6 of Item 8 ...

Page 50: ...egulator IC IC5701 to the heat sink Unit B Special Note Ensure the Switch Regulator IC IC5701 is tightly screwed to the heat sink Unit B Step 3 Solder pins of the Switch Regulator IC IC5701 on the reverse side of SMPS P C B Special Note Ensure pins of the Switch Regulator IC IC5701 are properly seated and soldered on SMPS P C B 8 31 Replacement of Switch Regulator Diode D5702 Follow the Step 1 Ste...

Page 51: ...ink Unit B Special Note Ensure the Switch Regulator Diode D5702 is tightly screwed to the heat sink Unit B Step 3 Fix the heat sink Unit B on SMPS P C B in the direction of arrows Step 4 Fix and screw the Switch Regulator IC IC5701 to the heat sink Unit B Special Note Ensure the heat sink Unit B is properly seated on SMPS P C B Step 5 Solder pins of the Switch Regulator Diode D5702 on the reverse ...

Page 52: ...tep 2 Fix and screw the Regulator Diode D5801 to the heat sink unit C Special Note Ensure the Regulator Diode D5801 is tightly screwed to the heat sink unit C Step 3 Solder pins of the Regulator Diode D5801 on the reverse side of SMPS P C B Special Note Ensure pins of the Regulator Diode D5801 are properly seated and soldered on SMPS P C B 8 33 Replacement of Regulator Diode D5802 Follow the Step ...

Page 53: ...older pins of the Regulator Diode D5802 on the reverse side of SMPS P C B Special Note Ensure pins of the Regulator Diode D5802 are properly seated and soldered on SMPS P C B 8 34 Replacement of Regulator Diode D5803 Follow the Step 1 Step 5 of Item 8 4 Follow the Step 1 Step 12 of Item 8 5 Follow the Step 1 Step 6 of Item 8 22 Follow the Step 1 Step 5 of Item 8 29 Step 1 Desolder pins of the Regu...

Page 54: ...Special Note Ensure the Regulator Diode D5803 is tightly screwed to the heat sink unit C Step 3 Solder pins of the Regulator Diode D5803 on the reverse side of SMPS P C B Special Note Ensure pins of the Regulator Diode D5803 are properly seated and soldered on SMPS P C B 8 35 Disassembly of AC Inlet P C B Follow the Step 1 Step 5 of Item 8 4 Step 1 Remove 2 screws at AC Inlet P C B Step 2 Cut 2 ti...

Page 55: ...Lift up the AC Inlet P C B Step 6 Flip over the AC Inlet P C B and desolder 2 wire pins red and black Caution Remember to use tie wraps to tie red black wires between AC Inlet P C B to the chassis Note During reassembling procedures ensure the P C B is seated properly at the locators 55 SA AK770PL SA AK770GCP ...

Page 56: ...Item 8 4 Step 1 Remove 1 screw at rear panel Step 2 Push up the voltage selector from rear panel as arrow shown Step 3 Desolder 3 pins of Voltage Selector P C B Step 4 Release 2 catches on Voltage Selector P C B Step 5 Desolder 2 wire pin White and blue 56 SA AK770PL SA AK770GCP ...

Page 57: ...57 SA AK770PL SA AK770GCP ...

Page 58: ...arrows shown to open both grooves Step 2 Detach the FFC wires from the adhesive area Step 3 Remove the traverse unit assembly as arrows shown 9 2 Assembly of Traverse Unit Assembly Step 1 Slot the traverse unit assembly into the guides as arrow shown 9 Disassembly and Assembly of Traverse Unit Assembly in Play Position 58 SA AK770PL SA AK770GCP ...

Page 59: ...exactly onto the guides Step 2 Place down the traverse unit assembly Step 3 Fix the FFC wires by using the adhesive tape Step 4 Release the catch and push the guide as arrows shown to close both grooves 59 SA AK770PL SA AK770GCP ...

Page 60: ...Main P C B Step 6 Connect 21P FFC cable at connector CN2011 at Main P C B Step 7 Connect 10P FFC cable at connector CN2807 at Main P C B Step 8 Connect 2P wire cable at connector CN2001 at Main P C B Step 9 Connect 2P wire cable at connector CN1112 at Main P C B Step 10 Connect 5P wire cable at connector CN1113 at USB Connector Led P C B Step 11 Check and repair Panel P C B Deck P C B Tact 10 Serv...

Page 61: ...tion Mechanism Unit CR14C according to the diagram shown Step 8 Connect 22P FFC cable at connector CN2801 at Main P C B Step 9 Connect 11P cable at connector CN2802 at Main P C B Step 10 Connect 6P FFC cable at connector CN2815 at Main P C B Step 11 Connect 20P FFC cable at connector CN2804 at Main P C B Step 12 Connect 5P wire cable at connector CN1113 at USB Connector Led P C B Step 13 Check and...

Page 62: ...Step 2 Release the claws outwards on both sides Step 3 Release the catches at both sides Step 4 Release the tabs at the bottom of the front panel Step 5 Shift the front panel unit slightly forward in the direction of the arrow Step 6 Check and repair the Mic P C B at its original position 62 SA AK770PL SA AK770GCP ...

Page 63: ...tor CN5050 at D Amp P C B Step 4 Detach 8P wire cable at connector CN5500 at D Amp P C B Step 5 Detach 2P wire cable at connector CN2820 at Main P C B Step 6 Remove 2 screws at chassis supports Step 7 Remove 4 screws at the rear panel Step 8 Lift up the D Amp P C B together with the chassis support as arrow shown 63 SA AK770PL SA AK770GCP ...

Page 64: ...Position Mechanism Unit CR14C according to the diagram shown Step 14 Connect 22P FFC cable at the connector CN2801 on Main P C B Step 15 Connect 11P FFC cable at the connector CN2802 on Main P C B Step 16 Connect 6P FFC cable at connector CN2815 at Main P C B Step 17 Connect 20P FFC cable at connector CN2804 at Main P C B Step 18 Connect 5P wire cable at connector CN1113 at USB Connector Led P C B...

Page 65: ...ble from CN5050 to CN5050 Step 21 Check and repair D Amp P C B according to the diagram shown 11 6 Checking and Repairing of AC Inlet P C B SMPS P C B Follow Step 1 Step 12 of item 11 5 Step 1 Detach wire connector at connector CN5802 at SMPS P C B Step 2 Remove 4 screws Step 3 Remove 2 screws at AC Inlet P C B 65 SA AK770PL SA AK770GCP ...

Page 66: ...am shown Step 8 Position Mechanism Unit CR14C according to the diagram shown Step 9 Connect 22P FFC cable at the connector CN2801 on Main P C B Step 10 Connect 11P FFC cable at the connector CN2802 on Main P C B Step 11 Connect 6P FFC cable at connector CN2815 at Main P C B Step 12 Connect 20P FFC cable at connector CN2804 at Main P C B Step 13 Connect 5P wire cable at the connector CN1113 on USB ...

Page 67: ...e from H5801 to CN5500 Step 15 Attach original cable with extension cable REXX0680 11P cable from CN2701 to CN5802 Step 16 Connect extension cable REEX0930 17P cable from CN5050 to CN5050 Step 17 Service AC Inlet P C B SMPS P C B respectively 67 SA AK770PL SA AK770GCP ...

Page 68: ...ing at STOP mode ON approx 200msec e REV REW Supply the plunger power in a flash at REV PLAY mode ON approx 50msec f STOP Supply the plunger power in a flash at FF mode ON approx 50msec Repeat the operation FWD PLAY Note Other operation may start if a timing of supplying the plunger power is missed 12 1 1 Connection Status between Mechanism and Power Supply Motor Plunger 12 1 2 Operative Parts of ...

Page 69: ... jack output jig Fig 8 13 1 2 Setting of Unit VOLUME MAX 13 1 3 Preparations 1 Apply under 8 Assembling and Disassembling 2 Remove 4 screws from the mechanism unit to disassemble under 8 15 Disassembly of Deck Mechanism Unit 3 Connect the headphone jack output jig Fig 8 to headphone jack Fig 8 Fig 9 13 1 4 Tape Speed Adjustment Normal speed adjustment only during forward playback 69 SA AK770PL SA ...

Page 70: ...n 3 Insert a normal blank cassette tape QZZCRA 4 While pressing and holding down REC button press TAPE button to pause the recording mode Repeat pressing the buttons till the recording pause mode is activated 5 Check that the output level is within the standard range Standard Range 20 3mV Fig 12 13 1 6 Bias Frequency Check 1 Connect a digital frequency counter Fig 13 2 Set the function to TAPE pos...

Page 71: ...erein shall be regarded as reference information when probing defect point because it may differ from an actual measuring value due to difference of Measuring instrument and its measuring condition and product itself 14 1 Voltage Measurement 14 1 1 CD Servo P C B 71 SA AK770PL SA AK770GCP ...

Page 72: ...14 1 2 Main P C B 14 1 3 Panel P C B 72 SA AK770PL SA AK770GCP ...

Page 73: ...14 1 4 SMPS P C B 14 1 5 D Amp P C B 14 1 6 Deck P C B Deck Mechanism P C B 73 SA AK770PL SA AK770GCP ...

Page 74: ...14 1 7 Tact Switch P C B Mic P C B 14 1 8 Jupiter USB P C B 74 SA AK770PL SA AK770GCP ...

Page 75: ...75 SA AK770PL SA AK770GCP ...

Page 76: ...14 2 Waveform Chart 76 SA AK770PL SA AK770GCP ...

Page 77: ...77 SA AK770PL SA AK770GCP ...

Page 78: ...78 SA AK770PL SA AK770GCP ...

Page 79: ...N2806 CN1112 CN2815 CN2802 21 1 22 2 CN2801 CN2011 CN2001 CN2820 CN2807 1 27 20 2 1 9 2 10 21 1 1 2 2 26 CN2810 JK2801 1 2 20 2 19 1 CN2804 CN5050 ZJ2701 RED RED P5701 BLK BLK WHT WHT BLU BLU 11 1 17 1 16 2 1 2 H5801 CN5802 CN5500 8 1 1 8 11 1 JK6810 JK6800 ZJ6801 VR6630 CN6807 ZJ6601 1 2 7 1 CN6014 1 4 CN6012 4 1 J6501A Z6601 J6501B VR6500 J6001 1 8 1 8 3 1 CN6001 26 2 27 1 10 2 1 2 7 1 9 1 J6001...

Page 80: ...SA AK770PL SA AK770GCP 80 ...

Page 81: ...POUT 22 PC IN1 3 PC2 2 VREF PVCC1 PVCC2 VCC 26 10 19 25 D4 17 D4 18 D3 15 D3 16 D2 14 D2 13 M7301 TRAVERSE MOTOR D1 12 D1 11 M7302 SPINDLE MOTOR OPTICAL PICKUP P C B CD SERVO P C B B FOCUS COIL TRACKING COIL T OPTICAL PICKUP PHOTO DETECTOR SEMICONDUCTOR LASER F F T CD_3 3V PC1 4 B B B M M 34 VREF VREF VREF 7 5V B 3 3V B IC7001 Q7601 SWITCH MN6627954MA SERVO PROCESSOR DIGITAL SIGNAL PROCESSOR DIGIT...

Page 82: ...6001 CN2815 CN2804 CN601 CN2801 5 18 17 4 CN7002 CN2804 CN601 CN2801 7 10 18 3 CN7002 CN2804 CN601 CN2801 6 17 20 1 CN7002 CN2806 3 25 24 23 CN2806 5 CN2806 CN6001 CN6001 CN6001 4 Q2708 POWER CONTROL SWITCH Q2761 9V 9V POWER SUPPLY SWITCH CN2701 5 CN5802 VCC 9V Q2501 LEVEL METER CONTROL SWTICH Q2735 D2947 REGULATOR SWITCH Q2711 DC DETECT SWITCH CN2807 6 5 CN2807 CN6807 CN6807 8 3 JK2801 AUX CN2801...

Page 83: ...N1112 CN1111 SD_NRST 36 SD_STATUS 35 SD_CMD 34 SD_INT 68 TO JUPITER USB CN2804 13 CN2804 11 CN2804 10 CN2804 9 CN601 8 CN601 10 CN601 11 CN601 12 CN2341 CN5050 CN5050 CN5050 CN5050 CN2341 CN2341 CN2341 17 1 14 4 CN2801 CN2801 CN2801 CN2801 CN2801 CN2801 CN2801 CN2801 CN2802 CN2802 CN2802 TO CD SERVO TO CR14 TO DECK CN2802 CN2802 CN2802 CN2802 CN2011 CN2011 CN2011 CN2011 CN2011 CN2011 CN2802 9 10 1...

Page 84: ...1B 1 J6501A J6501B 6 J6001B J6001 1 J6501A J6501B 5 CN6701 H6601 2 CN2806 CN6001 16 12 CN2806 CN6001 6 22 CN2806 CN6001 17 11 CN6001 CN2806 27 1 CN6001 CN2806 13 15 DVEF J6501A J6501B 8 SA AK770PL GCP SIDE BAR LED PANEL REMOTE SENSOR MUSIC PORT HEADPHONE TACT SWITCH MICROPHONE BLOCK DIAGRAM REMOTE SENSOR CIRCUIT REMOTE SENSOR REMOTE SENSOR P C B Z6601 TO PANEL TO MAIN 2 2 TO MIC TO TACT SWITCH TO ...

Page 85: ...A9 SDRA11 SDRA12 11 SDRD2 13 SDRD1 14 SDRD0 15 SDRA12 16 SDRA13 17 SDRA14 SDRA15 18 34 SDRD6 35 36 37 39 40 41 42 45 46 47 48 50 51 52 53 162 DRQ2 161 GP104 160 GP105 159 HIB0 158 HIR2 156 HIR1 155 HIR0 154 26 25 A3 A2 IC751 C3ABPG000160 DRAM IC IC701 RFKW0660B FLASH ROM IC 24 23 A1 A0 29 30 A4 A5 31 32 A6 A7 22 21 A10 BA1 20 33 BA0 A8 34 35 A9 A11 36 NC 13 11 DQ7 DQ6 10 8 DQ5 DQ4 42 44 DQ8 DQ9 45...

Page 86: ... TO MAIN 2 2 TO MAIN 2 2 RIGHT SPEAKER JK5001 SPEAKER LEFT SPEAKER SW SUBWOOFER X5501 X5500 2 3 IN1 OUT1 10 OUT2 14 VDDA1 4 VDDA2 20 VSSA2 18 VSSA1 6 IN1 21 22 IN2 IN2 23 MODE 1 OSC Q5603 1 8 SWITCH SWITCH Q5604 SWITCH Q5101 Q5102 DC DETECT Q5601 L5000 IC5400 C1BA00000487 AUDIO DIGITAL POWER AMP 2 3 IN1 OUT1 10 OUT2 14 VDDA1 4 VDDA2 20 VSSA2 18 VSSA1 6 IN1 21 22 IN2 IN2 23 MODE 1 OSC L5400 IC5200 ...

Page 87: ...ITCH Q5721 SYNC SWITCH PC5702 INVERTER Q5898 FEEDBACK PC5799 CURRENT LIMITING SWITCH CURRENT LIMITING SWITCH Q5720 FEEDBACK CONTROL Q5802 INVERTER Q5750 SWITCH Q5722 D5801 SWITCH D5802 FEEDBACK PC5720 FEEDBACK PC5701 INVERTER DC DETECT QR5801 QR5810 TRANSFORMER TEMP DETECT TRANSFORMER TEMP DETECT TRANSFORMER TEMP DETECT Q5860 DC DETECT QR5802 SWITCH Q5803 Q5861 Q5862 TO MAIN 1 2 TO MAIN 2 2 1 R C ...

Page 88: ... IC971 CNB13030R2AU PHOTO INTERUPTOR D971 S971 MODE S972 HALF S975 RECINH_F L1301 Q1317 BEAT PROOF LEVELSWITCH Q1316 SWITCH Q1314 SWITCH Q1315 SWITCH Q1312 SWITCH Q1304 REC H SWITCH Q1303 SWITCH Q1309 Q1310 BIAS SWITCH 9 22 15 8 1 3 5 2 4 19 4 16 7 6 DECK 2 HEAD RCH DECK 2 ERASE HEAD DECK 1 B HEAD LCH TO MAIN 1 2 TO MAIN 2 2 DECK MECHANISM P C B MAIN SIGNAL LINE CD SIGNAL LINE AUX MIC MUSIC PORT S...

Page 89: ...by mark have special characteristics important for safety Furthermore special parts which have purposes of fire retardant resistors high quality sound capacitors low noise resistors etc are used When replacing any of components be sure to use only manufacturer s specified parts shown in the parts list In case of AC rated voltage Capacitor the part no and values will be indicated in the Schematic D...

Page 90: ...90 SA AK770PL SA AK770GCP ...

Page 91: ... 9 11 10 13 22 23 30 21 28 27 24 25 26 2 1 6 7 29 8 3 4 5 IC7002 BA5948FPE2 4 CH DRIVE IC MLD 7 5V MCLK MDATA RST STAT BLKCK PGND 3 3V SRDATA ST_IN TX LD SW BCLK ST_CLK AGND DGND LRCK ST_REQ RESET_SW LCH OUT RCH OUT LOADING A9 A11 TRP TRVP BA1 A0 A2 A4 A6 A8 A7 A5 A3 A1 A10 NWE BA0 PC NRAS NCAS PRAMVDD15 PRAMVDD33 PRAMVSS33 SPOUT F A B E GND T F F T LPD VREF LD GND GND GUARD GND GUARD LD VCC 6 5 8...

Page 92: ...CD_STAT JUP_LRCK JUP_DAT0 D 3 3V DECK_MTR DECK_PL DECK_AN6 DECK_AN7 TU_CLK TU_SDA TU_TUNED DVREF REC_L DECK_REC REC_R PHOTO TU_STEREO DET 9V 9V 6 5 8 9 11 12 10 18 15 17 16 20 19 13 14 7 2 1 1 4 3 22 22 21 LOUT AGND ROUT 3 3V SRDATA ST_IN LRCLK ST_REQ BLCK ST_CLK TX MCLK MDATA MLD STAT BLKCK RST 3 3V LD SW DGND REST SW LOADING CD OPEN SW PGND 7 5V L2051 G0C101JA0052 C2054 0 01 R2046 3 3K C2056 0 0...

Page 93: ...V QR2317 IC2804 C0AABB000125 OP AMP QR2317 B1GDCFGA0018 MUTIING CONTROL Q2374 Q2375 B1GDCFJJ0047 SWITCH SUPPLY SWITCH Q2943 R2318 100k R2418 100k K3100 0 K3200 0 IC2810 C0ABBB000230 SMT OP AMP IC 2 7 8 5 4 3 6 IC2810 1 Q2371 Q2373 B1ABCF000176 SW LV SWITCH Q2372 B1ABCF000176 SUBWOOFER LEVEL CONTROL SWITCH Q2372 Q2373 Q2371 Q2375 Q2374 Q2417 SW_LV2 SW_LV1 Q2947 Q2947 Q2967 B1ABCF000176 DC DETECT SW...

Page 94: ...REGULATOR IC R2627 10K R2743 470k Q2743 Q2743 B1ACKD000006 CD SUPPLY CONTROL SWITCH R2744 4 7k R2745 1k C2741 0 1 Q2745 B1GBCFLL0037 SWITCH R2848 R2849 R2847 R2845 R2850 R2846 R2603 47k C2800 0 1 R2898 R2897 R2899 R2896 R2895 R2886 R2880 R2883 R2882 R2686 47k R2688 47k R2887 R2888 R2684 3 3k R2592 10K R2685 22k R2680 3 3k R2679 22k R2692 3 3K PL 5 6K GCP R2879 0 R2806 1K R2809 R2610 R2866 R2808 R2...

Page 95: ...5 R2701 1 5k R2702 3 3k R2706 4 7K IC2701 C0DAAMH00012 DC DETECT SWITCH L2702 G0A101ZA0028 R2703 1K R2705 10K C2704 0 01 K2701 0 DZ2702 B0JCPD000025 C2701 0 01 C2002 0 01 K2703 0 R2756 470 R2765 2 7k C2765 16V10 R2762 1k C2768 Q2761 B1BCCG000002 9V POWER SUPPLY SWITCH C2762 0 01 K2702 0 C2753 0 01 C2754 16V100 C2763 0 01 Q2708 B1ADCE000012 POWER CONTROL SWITCH C2764 16V100 D2753 MAZ810000L R2754 4...

Page 96: ...5 17 8 2 4 3 43 5 2 1 8 39 35 31 27 28 25 26 30 29 34 32 33 38 36 37 42 40 41 13 12 15 16 14 9 11 10 23 24 18 19 17 21 22 20 7 44 21 5 6 3 1 2 4 19 9 7 8 1617 11 10 12 15 14 13 18 20 35 37 42 4443 3938 4140 36 33 22 31 29 27 24 23 26 25 28 30 32 34 5 6 1 3 4 2 8 7 DBASS_JOG2 DBASS_JOG1 DVREF KEY1_A VREF LED_GND RMT CD3 3V FL_DOUT 9V RMT FL_CS FL_CLK 9V DVREF VOL_LED GR2 GR1 GR6 GR7 GR4 GR3 GR5 KEY...

Page 97: ... D USB5V D USB CONNECTOR JK1111 LB1210 J0JHC0000034 L1100 G1BYYYB00009 LB1200 J0JHC0000034 VA1110 EZJZ1V171AA VA1120 EZJZ1V171AA C1110 0 1 C1100 6 3V100 D1111 B3AAA0001014 R1111 2 7K 2 3 1 5 4 DGND DGND D D USB5V CN1113 1 2 LED CONTROL RIPPING LED ZJ1111 1 5 1 2 TO JUPITER USB CIRCUIT CN503 IN SCHEMATIC DIAGRAM 11 TO MAIN CIRCUIT CN1112 IN SCHEMATIC DIAGRAM 4 TO PANEL CIRCUIT CN6012 IN SCHEMATIC D...

Page 98: ...20 390P C6803 0 1 C6804 0 1 C6851 0 1 C6852 1000P C6863 0 1 C6813 330P C6814 330P HP_SW HP_R HP_L HP_GND DGND_C MP_L MP_SW MP_R MUSIC PORT HEADPHONE DGND EJECT PA_IN_R PA_IN_GND PA_IN_L PA_SW HP_SW HP_R HP_GND HP_L SCHEMATIC DIAGRAM 8 TACT SWITCH CIRCUIT MUSIC PORT CIRCUIT SA AK770PL GCP TACT SWITCH MUSIC PORT REMOTE SENSOR CIRCUIT MAIN SIGNAL LINE B SIGNAL LINE MUSIC PORT SIGNAL LINE 1 2 3 4 5 6 ...

Page 99: ... 22K 16V10 0 01 0 01 22K 270P 1500P 50V0 1 10K 0 01 10K 50V2 2 16V10 0 033 470 0 033 4 7K 22k 15K 12K 1000p 2200p 2200p 50V10 10K 1 5K 16V100 4 7k 10K 4 7 4700p 0 047 4 7K 270K 12K 16V47 3300p R1309 Q1304 R1106 C1210 R1206 R1209 R1110 R1210 R1109 Q1315 Q1315 R1343 R1344 R1342 R1374 R1345 R1341 Q1314 Q1314 CN1305 R1314 Q1303 C1324 R1338 R1334 IC1000 IC1000 C1AA00000612 ANALOG SWITCH C1323 R1333 Q13...

Page 100: ...C DIAGRAM 18 VOLTAGE SELECTOR CIRCUIT GCP ONLY MIC CIRCUIT B SIGNAL LINE B SIGNAL LINE MIC SIGNAL LINE TO PANEL CIRCUIT ZJ6601 IN SCHEMATIC DIAGRAM 6 6 7 5 2 4 3 8 1 L6702 J0JBC0000019 C6701 0 01 5 4 3 2 1 6 7 R6701 680 R6702 560 R6703 1K C6705 47P C6704 560P C6706 0 47 C6707 0 1 R6705 100 R6704 68K C6703 1000P JK6701 C6702 50V4 7 C6700 50V0 01 L6701 J0JBC0000019 CN6701 R6710 1 2K C6713 560P MIC_I...

Page 101: ... C515 6 3V10 R526 10 C514 0 1 BA0 BA1 R893 0 C843 1000P C844 0 1 R892 0 C846 0 1 C845 1000P C852 33P R879 X802 X802 H0J120500057 C853 22P LSI 3 3V GND VSSA GND VSSP LSI 3 3V VDDA USBOC USBGND D D USB5V USBGND IN OC OUT EN IN OUT OUT GND SDRBA1 SDRA9 SDRA11 SDRA12 SDRBA0 SDRA8 SDRA6 SDRA7 SDRA0 VDD3 VSS SDRA2 SDRA3 SDRA1 SDRA5 SDRA4 VSS SDRA10 VDD3 SDRCKO SDCKI HID15 VDD1 HID8 VDD3 VSS HID9 HID12 H...

Page 102: ...44 45 42 41 43 24 22 20 18 16 14 15 17 19 21 23 33 32 34 29 26 25 28 27 31 30 35 3 46 48 FD4 A14 BYTE A13 GND A15 A16 A0 A1 A8 DQ6 A9 A18 A17 RY BY WP ACC RESET DQ1 DQ3 DQ4 VCC DQ9 DQ2 DQ11 DQ10 CE GND DQ8 DQ0 OE A7 A21 WE A2 A5 A6 A3 A4 DQ13 DQ5 DQ12 A19 A20 A12 DQ15 DQ14 A10 A11 DQ7 IC701 RFKW0660B FLASH ROM IC LN a b c d e f g h i j k l m n o p q r s t u w x y 7 a b 1 6 LJ LK LL SCHEMATIC DIAGR...

Page 103: ... 6 3V47 6 3V47 C811 C808 4 7u 3 1 2 4 5 10 R521 LCD_RST LCD_CS LCD_RS R523 1K 10 R522 LB504 LB503 J0JBC0000118 J0JBC0000118 5 6 6 1 1 3 4 2 CN502 C814 0 01 L804 G1C100KA0101 GND LSI 1 2V 15P C816 X801 X801 H0J169500031 0 01 C815 LSI 3 3V LSI 3 3V LSI 3 3V GND LSI 3 3V R858 100 R812 6 8K LCD_DATA LCD_DATA LCD_CLK LCD_CLK D 3 3V_LB614 10 R855 LSI 3 3V D 2 2V GND GND LSI 3 3V DQ12 DQ3 VDDQ VSSQ VDDQ ...

Page 104: ...7 4 1 2 3 4 x 47K RX551 C552 6 3V10 C551 0 1 D 3 3V 2 1 15 5 4 12 13 9 8 6 11 7 10 3 14 16 IC551 C0FBAK000026 ADC IC IC552 C0FBBY000027 DAC IC ASRDATA ASRDATA DSRDATA DSRDATA J0JAC0000021 LB618 J0JAC0000021 LB620 J0JAC0000021 LB621 J0JHC0000045 LB619 U1RXD U1TXD IREQ J0JAC0000021 LB601 J0JAC0000021 LB603 J0JAC0000021 LB605 J0JHC0000045 LB602 J0JAC0000021 LB615 J0JHC0000045 LB614 J0JHC0000045 LB616...

Page 105: ...6 4 1 2 3 9 11 13 14 12 10 7 8 C0JBAB000902 INVERTER GATE CLOCK GENERATOR D TYPE FLIP FLOP IC5500 OSC SW 5V SW 5V MOD_DA MUTE_F DC_DET Q5101 B1ABCF000176 R5110 22K 1 2K R5023 AGND 0 1 C5033 B1ABCF000176 Q5102 MODE2 CD2 D1 SWITCH SWITCH Q5601 B1ABCF000176 SWITCH DC DETECT DC DETECT GND D2 SD1 SD2 6Y 5A 6A VCC O2 4Y CP2 VCC 4A 5Y 3A 2A 2Y 1A 1Y 3Y O1 O1 O2 CP1 CD1 GND R5504 22 FHOP H2A7003A0011 0 01...

Page 106: ... AGND AGND AGND L5501 J0JKB0000020 L5500 J0JKB0000020 R5032 5 6K R5103 5 6K R5104 5 6K R5036 5 6K R5037 5 6K R5118 5 6K R5119 5 6K R5400 22 R5402 10 R5404 100 R5405 10 R5410 10 R5411 10 R5419 22 B0HCMM000019 B0HCMM000019 B0HCMM000019 B0HCMM000019 B0HCMM000019 B0HCMM000019 B0HCMM000019 B0HCMM000019 D5402 D5404 D5401 D5403 C5117 1000P C5120 C5121 0 47 0 47 330P C5412 C5413 0 1 C5416 0 47 C5423 220P ...

Page 107: ...6R100010 D5725 2 2K R5808 4 3 1 2 B3PBA0000402 PC5720 R5817 330 R5810 330 4 3 1 2 B3PBA0000402 PC5701 1 5K R5811 0 1 C5825 1 5K R5816 8 2K R5812 MAZ80750ML D5806 SYS6V 30V_SENSE 30V_SENSE 2 7K R5815 24K R5813 Q5802 B1ABCF000176 120 R5724 DC_18V 3 1 2 B0HBSM000043 D5802 13V FAN_18V 25V470 C5816 B0EAMM000057 D5805 D5804 B0EAMM000057 11 13 14 12 10 8 6 5 7 9 18 15 16 17 1 4 3 2 C5813 35V470 R5722 1K ...

Page 108: ...C5799 100 R5897 Q5898 IC5899 C0DAEMZ00001 B1ABCF000176 R5896 100K C5897 0 1 2 2K R5890 1K R5894 B0EAMM000057 D5896 B0HAMP000094 D5793 C5790 2200P R5891 33K 200K R5786 9 10 7 8 1 6 ETS19AB256AG BACKUP TRANSFORMER SWITCHING REGULATOR T5751 4 7K R5892 100 R5895 0 1 C5898 A R 3 2 C 1 INVERTER SYNC SWITCH FEED BACK FB S S D NC VDD CL VCC 5 4 2 3 SHUNT REGULATOR TH5701 D4CAA5R10001 BLK RED TO AC INLET C...

Page 109: ...19 Printed Circuit Board Note Circuit board diagrams may be modified at any time with the development of new technology SA AK770PL SA AK770GCP 109 ...

Page 110: ... LB629 R521 R523 R554 R555 R556 R557 R558 R559 R560 R561 R801 R811 R812 R813 R814 R815 R817 R822 R824 R829 R833 R835 R843 R844 R849 R850 R855 R857 R858 R863 R876 RX551 RX834 RX854 RX864 C852 CN602 TO JTAG C801 C802 C803 C804 C805 C806 C844 C849 R704 R830 CN601 3283A 1 3283A 1 LB620 LB621 LB622 LB624 LB626 LB628 LB630 LB605 LB615 LB618 LB601 LB603 LB801LB802 R893 C843 C601 C602 C807 C813 C814 C815 ...

Page 111: ...139 R2137 C2136 C2135 D2503 Q2501 R2504 R2505 R2131 R2501 R2132 R2509 C2507 C2561 C2002 Q2011 R2004 R2003 R2002 R2001 C2042 C2056 C2054 W2705 C2742 C2743 C2812 C2626 R2744 R2743 R2745 Q2745 IC2741 R3703 R3701 R3702 R3704 R2222 C3116 C2221 C3115 R2221 C2121 C3603 R2121 C3114 R2122 R2932 C2053 R2824 C2041 R2044 R2042 QR111 IC2801 R2649 R2897 C2834 C2835 R2862 R2609 R2692 R2650 R2812 R2680 R2815 R283...

Page 112: ...458 W6045 W6546 W6547 W6011 W6007 W6006 W6034 W6010 ZJ6601 W6038 W6037 W6036 W6035 W6033 W6024 W6030 W6002 W6004 W6548 W6008 W6009 W6005 W6027 W6046 W6040 W6041 W6042 W6025 W6026 W6039 W6047 W6032 W6020 W6012 W6019 C6671 W6028 W6543 W6542 S6106 TAPE REC W6561 W6572 W6575 FOR INDICATION ONLY J6001 J6501A C6512 R6511 Q6511 R6512 R6503 R6502 R6501 R6301 R6302 R6303 R6304 R6305 R6306 R6307 R6308 R6208...

Page 113: ...P1301 TO R P HEAD C1103 C1106 C1109 C1304 C1201 C1203 C1319 C1320 C1324 C1311 C1305 C1206 C1209 C1301 C1208 C1101 C1308 Q1309 Q1316 Q1315 L1302 R1330 R1333 R1309 W1910 W1938 C1326 C1307 C1318 C1321 C1108 IC1001 IC1000 CN1305 WR1903 TO MOTOR C1323 W1919 L1301 CP1902 W1939 W1930 C1202 R1061 Q1303 Q1312 Q1317 C1317 R1327 C1314 R1337 R1203 C1207 C1104 R1104 C1121 R1343 R1344 R1345 R1342 R1305 R1328 R1...

Page 114: ...W5025 W5029 W5030 W5031 W5014 W5016 W5017 W5027 W5070 W5018 L5000 HEATSINK C5562 W5075 W5076 W5077 W5041 W5034 0561A 1 0561A 1 K5021 K5555 C5428 FRONT SPEAKERS SUBWOOFER C5450 C5026 C5551 C5556 C5559 R5504 R5506 R5671 K5251 K5253 K5255 D5001 D5003 D5004 D5501 D5502 X5501 D5002 C5602 C5106 C5107 C5117 C5119 C5120 C5121 C5400 C5401 C5427 C5403 C5402 C5410 C5419 C5440 C5418 C5423 C5431 C5409 C5406 C5...

Page 115: ... R5800 R5825 C5831 C5832 C5812 C5800 C5815 R5834 R5832 C5790 C5794 D5809 W5803 W5804 W5805 W5806 C5805 C5808 C5824 CN5802 T5751 IC5701 C5713 D5702 D5701 D5801 D5802 D5803 C5813 W5725 T5701 C5730 D5805 D5896 C5791 D5798 D5793 C5816 C5899 BACKUP TRANSFORMER C5703 W5729 C5797 C5798 GCP IC5799 W5734 C5700 ZJ5803 C5737 GCP R5726 C5724 D5729 D5726 Q5720 R5824 R5822 R5821 R5820 D5804 Q5803 W5727 W5726 W5...

Page 116: ...IDE BAR L LED P C B REPX0649B E SIDE BAR R LED P C B REPX0649B PbF 0578A 2 0578A 2 PbF 0578A 2 0578A 2 0578A 2 0578A 2 PbF PbF R6701 R6702 R6703 R6704 R6705 R6710 R6713 C6700 C6701 C6703 C6704 C6705 C6707 C6711 C6712 IC6701 L6701 L6702 C6706 CN6701 JK6701 VR6701 C6702 W6013 W6014 MIC VOLUME MIC VOLT ADJ 0562C 3 0562C 3 S5701 VOLTAGE SELECTOR WHT BLU D6601 D6602 CN6602 D6603 CN6604 D6604 1 7 7 6 5 ...

Page 117: ...P 2SC3940ARA B1BABK000001 B1BACD000018 AN7326K 22P 1 B C E 2SD09650RA B1ACKD000006 B1AAGC000006 B C E A Ca Cathode Anode A Ca B0JAME000114 B0EAMM000057 B0HAMP000094 B0EAKM000117 B0BC010A0007 B0BC019A0007 B0BC2R4A0006 B0BC5R000009 B0BC6R100010 23 1 C0FBBY000027 16P C0FBAK000026 16P C0JBAB000902 14P C0JBAF000716 14P C0ABBB000230 8P C3ABPG000160 54P RFKW0660B 48P C0DABFC00002 3P C0DAEMZ00001 3P C0DBZ...

Page 118: ...4 Control Change Detect 50 CR14_Open I CR14 Control 51 CR14_LOF O CR14 Control 52 CR14_LOR O CR14 Control 53 Region1 I Region Setting 1 54 Deck Photo I Deck Photo 55 MUTE_A O HP SP Muting Control Pin No Mark I O Function 56 ASP_CLK I O ASP Control Clock Signal 57 ASP_DATA I O ASP Control Data Signal 58 DECK REC I O Deck Rec 59 SUBW_LVL 1 O NC 60 SUBW_LVL 2 O NC 61 VDD33 Voltage Supply 3 3V 62 HP_S...

Page 119: ... Output 9 24 S11 O Segment Output 8 25 S12 O Segment Output 7 26 S13 O Segment Output 6 27 S14 O Segment Output 5 28 S15 O Segment Output 4 29 S16 O Segment Output 3 30 VEE Voltage Supply 31 G12 O Segment Output 2 32 G11 O Segment Output 1 33 G10 O Grid Segment Output 1 34 G9 O Grid Segment Output 2 35 G8 O Grid Segment Output 3 36 G7 O Grid Segment Output 4 37 G6 O Grid Segment Output 5 38 G5 O G...

Page 120: ...120 SA AK770PL SA AK770GCP ...

Page 121: ...22 Exploded Views 22 1 Cabinet Parts Location SA AK770PL SA AK770GCP 121 ...

Page 122: ...SA AK770PL SA AK770GCP 122 ...

Page 123: ...22 2 Deck Mechanism Parts Locations RAA4407 S SA AK770PL SA AK770GCP 123 ...

Page 124: ...22 3 Packaging SA AK770PL SA AK770GCP 124 ...

Page 125: ... WIRE PANEL TACT M 68 REXX0686 WHITE WIRE VOLTAGE SELECTOR M GCP 69 REXX0687 BLUE WIRE VOLTAGE SELECTOR M GCP 70 RMZX0039 IC INSULATOR M 71 REEX0884 6P FFC CABLE MAIN RIPPING M 74 REXX0683 8P WIRE SMPS DAMP M 75 RMQX0318 K FAN COVER M 77 XTW3 8TFJ SCREW M 78 RGUX0769 K RIPPING BUTTON M 80 L6FAYYYH0088 FAN UNIT M 81 L6FALEFH0023 FAN UNIT M 82 RMNX0287A USB JACK HOLDER M 83 XTN2 6GFJ SCREW M 84 REXX...

Page 126: ... M PL A2 K2CQ2CA00007 AC CORD M GCP A3 RQTV0281 M O I BOOK M PL A3 RQTV0282 M O I BOOK M GCP A4 RSA0007 L1 FM INDOOR ANTENNA M Ref No Part No Part Name Description Remarks A5 N1DAAAA00001 AM LOOP ANTENNA M A6 K2DA42E00001 AC PLUG ADAPTOR M GCP PRINTED CIRCUIT BOARDS PCB1 REPX0673C USB CONNECTOR LED P C B M RTL PL REPX0673D USB CONNECTOR LED P C B M RTL GCP PCB2 REPX0636A CD SERVO P C B M RTL PCB3 ...

Page 127: ...CE000012 TRANSISTOR M Q5604 B1ABCF000176 TRANSISTOR M Q5720 2SC3940ARA TRANSISTOR M Q5721 2SA207700L TRANSISTOR M Q5722 B1ABCF000176 TRANSISTOR M Q5750 B1ABCF000176 TRANSISTOR M GCP Q5802 B1ABCF000176 TRANSISTOR M Q5803 2SC3940ARA TRANSISTOR M Q5860 2SA207700L TRANSISTOR M Q5861 B1ABCF000176 TRANSISTOR M Ref No Part No Part Name Description Remarks Q5862 B1ABCF000176 TRANSISTOR M Q5898 B1ABCF00017...

Page 128: ...NECTORS CN502 K1MN06AA0076 6P CONNECTOR M CN503 K1KA05BA0014 5P CONNECTOR M CN601 K1MY20BA0046 20P CONNECTOR M CN602 K1MY10AA0021 10P CONNECTOR M CN1112 K1KA02AA0186 2P CONNECTOR M CN1113 K1KA05BA0061 5P CONNECTOR M CN1305 K1MN21B00010 21P FFC CONNECTOR M CN2001 K1KA02AA0186 2P CONNECTOR M CN2011 K1MY21AA0124 21P CONNECTOR M CN2801 K1MN22AA0004 22P CONNECTOR M CN2802 K1MN11AA0003 11P CONNECTOR M C...

Page 129: ...0J120500057 CRYSTAL OSCILLATOR M X2602 H2B100500004 CRYSTAL OSCILLATOR M X2611 H0A327200115 CRYSTAL OSCILLATOR M X5500 H2A6023A0011 CRYSTAL OSCILLATOR M X5501 H2A7003A0011 CRYSTAL OSCILLATOR M X7201 H0H169500013 CRYSTAL OSCILLATOR M FL DISPLAY Ref No Part No Part Name Description Remarks FL6601 A2BB00000171 LCD DISPLAY M FUSES F1 K5D802APA008 FUSE M PL F1 K5D802BNA005 FUSE M GCP FUSE PROTECTOR FP2...

Page 130: ...M R554 D0GA104JA023 100K 1 16W M Ref No Part No Part Name Description Remarks R555 D0GA221JA023 220 1 16W M R556 D0GA221JA023 220 1 16W M R557 D0GA223JA023 22K 1 16W M R558 D0GA223JA023 22K 1 16W M R559 D0GA104JA023 100K 1 16W M R560 D0GA473JA023 47K 1 16W M R561 D0GA473JA023 47K 1 16W M R653 D0GA473JA023 47K 1 16W M R654 D0GA473JA023 47K 1 16W M R655 D0GA473JA023 47K 1 16W M R701 D0GA473JA023 47K...

Page 131: ...1 16W M R2127 D0GB223JA008 22K 1 16W M R2128 D0GB223JA008 22K 1 16W M R2131 D0GB223JA008 22K 1 16W M Ref No Part No Part Name Description Remarks R2132 D0GB223JA008 22K 1 16W M R2133 D0GB223JA008 22K 1 16W M R2134 D0GB223JA008 22K 1 16W M R2137 D0GB273JA008 27K 1 16W M R2138 D0GB273JA008 27K 1 16W M R2143 D0GBR00JA008 0 1 16W M R2181 D0GB391JA008 390 1 16W M R2182 D0GB391JA008 390 1 16W M R2183 D0...

Page 132: ...1 16W M R2815 D0GB473JA008 47K 1 16W M R2820 D0GB103JA008 10K 1 16W M R2821 D0GB101JA008 100 1 16W M Ref No Part No Part Name Description Remarks R2822 D0GB101JA008 100 1 16W M R2824 D0GB103JA008 10K 1 16W M R2825 D0GB101JA008 100 1 16W M R2826 D0GB101JA008 100 1 16W M R2827 D0GB101JA008 100 1 16W M R2828 D0GB101JA008 100 1 16W M R2829 D0GB102JA008 1K 1 16W M R2830 D0GD101JA017 100 1 10W M R2831 D...

Page 133: ...R5507 ERJ3GEYJ105V 1M 1 10W M R5508 ERJ3GEYJ105V 1M 1 10W M R5510 ERG2SJ471E 470 2W M Ref No Part No Part Name Description Remarks R5511 ERJ3GEYJ220V 22 1 10W M R5602 ERJ3GEYJ103V 10K 1 10W M R5603 ERJ3GEYJ103V 10K 1 10W M R5604 ERJ3GEYJ122V 1 2K 1 10W M R5608 ERJ3GEYJ103V 10K 1 10W M R5609 ERJ3GEYJ103V 10K 1 10W M R5611 ERJ3GEYJ122V 1 2K 1 10W M R5671 ERJ3GEY0R00V 0 1 10W M R5701 ERDS1TJ475B 4 7M...

Page 134: ...7217 D0GB102JA008 1K 1 16W M R7218 D0GB102JA008 1K 1 16W M R7220 ERJ3GEYJ105V 1M 1 10W M Ref No Part No Part Name Description Remarks R7221 ERJ3GEYJ101V 100 1 10W M R7253 ERJ3GEYJ100V 10 1 10W M R7254 D0GB102JA008 1K 1 16W M R7315 ERJ3GEYJ332V 3 3K 1 10W M R7323 ERJ3GEYJ682V 6 8K 1 10W M R7325 ERJ3GEYJ331V 330 1 10W M R7327 D0GB102JA008 1K 1 16W M R7328 D0GB103JA008 10K 1 16W M R7329 D0GB102JA008 ...

Page 135: ...A219 1500pF 50V M C1203 F2A1C101A147 100uF 16V M C1204 F1H1E273A002 0 027uF 25V M Ref No Part No Part Name Description Remarks C1205 F1H1H8210002 820pF 50V M C1206 F2A1H2R2A145 2 2uF 50V M C1207 F1H1H152A219 1500pF 50V M C1208 F2A1C100A147 10uF 16V M C1209 F2A1H3R3A145 3 3uF 50V M C1210 F1H1H152A219 1500pF 50V M C1221 F1H1H102A219 1000pF 50V M C1222 F1H1E103A029 0 01uF 25V M C1223 ECJ1VB1H271K 270...

Page 136: ...H1H103A219 0 01uF 50V M C2741 F1H1C104A042 0 1uF 16V M C2742 F1H1C104A042 0 1uF 16V M Ref No Part No Part Name Description Remarks C2743 F1H1H103A219 0 01uF 50V M C2751 F1H1H103A219 0 01uF 50V M C2753 F1H1H103A219 0 01uF 50V M C2754 F2A1C101A208 100uF 16V M C2755 F1H1H103A219 0 01uF 50V M C2756 F2A1A330A159 33uF 10V M C2762 F1H1H103A219 0 01uF 50V M C2763 F1H1H103A219 0 01uF 50V M C2764 F2A1C101A2...

Page 137: ...104K 0 1uF 50V M C5400 ECQV1H684JL3 0 68uF 50V M C5401 ECJ1VB1H104K 0 1uF 50V M C5402 ECJ1VB1H104K 0 1uF 50V M C5403 ECJ1VB1H104K 0 1uF 50V M Ref No Part No Part Name Description Remarks C5404 ECJ1VB1H331K 330pF 50V M C5406 ECJ1VB1H104K 0 1uF 50V M C5407 ECJ2VC2A221J 220pF 100V M C5409 ECJ1VB1H104K 0 1uF 50V M C5410 F1K2A1040007 0 1uF 100V M C5411 ECJ2VC2A221J 220pF 100V M C5412 ECJ1VB1H331K 330pF...

Page 138: ...F 50V M C6703 F1H1H102A219 1000pF 50V M C6704 F1H1H561A013 560pF 50V M C6705 F1H1H470A004 47pF 50V M C6706 ECQV1H474JL3 0 47uF 50V M C6707 F1H1C104A042 0 1uF 16V M C6711 F1H1H104A013 0 1uF 50V M C6712 F1H1H470A004 47pF 50V M Ref No Part No Part Name Description Remarks C6713 F1H1H561A013 560pF 50V M C6801 F1H1H473A783 0 047uF 50V M C6802 F1H1H473A783 0 047uF 50V M C6803 F1H1C104A042 0 1uF 16V M C6...

Search results

Summary of Contents for SA-AK770GCP

Reviews:

Related manuals for SA-AK770GCP

Brands by name

Popular brands

Panasonic SA-AK770GCP, Service Manual

Search results

Summary of Contents for SA-AK770GCP

Reviews:

Related manuals for SA-AK770GCP

Brands by name

Popular brands