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Panasonic CQ-R233WJ, Service Manual

The Panasonic CQ-R233WJ Service Manual is now available for free download on our website. This comprehensive manual provides detailed instructions and troubleshooting tips for operating and maintaining your Panasonic CQ-R233WJ product. Unlock its full potential and ensure optimal performance with this user-friendly manual. Download it today from 88.208.23.73:8080.

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Ref.

No.

Part No.

Part Name & Description

Remarks

28

YJT034C015CA

Step Screw

T(2-B)

29

YFA034C044ZA

Upper Cover

T(4-C)

30

YFC054C059ZA

Trim Plate(Print)

T(1-A)

31

YFX054C051ZA

Spring Plate(R)

T(2-C)

32

YFX054C052ZA

Spring Plate(L)

T(3-B)

33

34

YFC024C627ZA

Esc Front Cover

T(1-A)

35

YFE134C429ZA

Button (REW)/(FF)

T(1-A)

36

YFE134C428ZA

Button (Eject)

T(1-A)

38

FX0054C056ZA

Spring

T(1-A)

39

YFE134C433ZA

Button(Band/Pwr)

T(2-A)

40

YFE134C437ZA

Button (Preset)

T(1-A)

41

YFE134C441ZA

Button(Tune/Track)

T(1-B)

42

YFE134C436ZA

Button(CD.C/Disp)

T(1-B)

44

YFE074C059ZA

Vol Knob

T(2-A)

45

YFX054C053ZA

Spring (Knob)

T(2-A)

46

YFE134C419ZA

Button(Release)

T(1-B)

47

FX0054C055ZA

Spring (Open)

T(1-B)

48

YFC024C598ZA

Rear Cover

T(2-B)

49

XTN2+8GFZ

Screw (Esc)

T(2-B)

50

YFV024C080ZA

Sheet(LCD)

T(2-B)

51

YFX214C315YA

LCD Bracket

T(2-B)

52

YEFX0012300

Back light assy

T(2-B)

53

YEJS064C001

Screw (Deck)

T(3-C)

57

AAPC244B0

Main PCB Ass’Y

T(2-
C)/RTL

58

APCB249A0-J

Display PCB Ass’Y

T(2-
B)/RTL

59

ZZAPCB212B0

Deck PCB Ass’y

T(4-
C)/RTL

20

CQ-R233WJ

Summary of Contents for CQ-R233WJ

Page 1: ......

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Page 6: ...ic Industrial Co Ltd All rights reserved Unauthorized copying and distribution is a violation of law CQ R233WJ Removable Face High Power Cassette RDS Receiver with Changer Control AUTOMOTIVE AFTERMARKET ORDER No ACED030326C3 ...

Page 7: ...f any substitute or connection without a fuse may result in a fire hazard or damage to the unit 3 MAINTENANCE Your product is designed and manufactured to ensure a minimum of maintenance Use a soft cloth for routine exterior cleaning Never use benzine or other solvent 4 RADIO ALIGNMENT Do not align the AM FM package blocks When the package block is necessary it will be supplied already aligned at ...

Page 8: ...6 WIRING CONNECTION CQ R233WJ 3 ...

Page 9: ...7 BLOCK DIAGRAM CQ R233WJ 4 ...

Page 10: ...8 WIRING DIAGRAM 8 1 Main Block 1 E 4C244 TOP VIEW CQ RD133N 143N 153N 243N R253U R223W MAIN PCB 5 CQ R233WJ ...

Page 11: ...8 2 Main Block 2 E 4C244 BOTTOM VIEW CQ RD133N 143N 153N 243N R253U R223W MAIN PCB CQ R233WJ 6 ...

Page 12: ...8 3 Display Block E 4C249 TOP VIEW E 4C249 BOTTOM VIEW CQ R223W R253U DISPLAY PCB 7 CQ R233WJ ...

Page 13: ...8 4 Tape Block E 4C212 1 Top View E 4C212 1 Bottom View CQ R221U RD243N TAPE PCB 8 CQ R233WJ ...

Page 14: ...38 7 35 0 7 36 7 31 7 23 7 22 0 7 15 7 11 7 23 7 38 0 7 36 14 38 7 36 5 05 7 37 0 0 IC 270 POWER IC 4 91 0 0 4 97 0 4 97 0 0 4 96 0 4 95 0 4 96 4 98 IC 602 BUFFER IC 1 87 2 21 4 96 0 4 96 1 8 5 4 96 IC 601 POWER DETECTIVE IC 0 12 0 0 0 66 0 0 0 0 08 E Q 2 08 2 23 2 41 2 38 4 92 0 0 2 43 0 0 0 4 96 2 3 2 43 2 48 2 48 DECODE IC 0 0 1 1 7 5 8 2 2 5 0 0 5 0 0 3 5 3 5 4 2 0 TUNER 2V DIV 0 2S 0 1S 2V DI...

Page 15: ...5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 0 0 0 0 0 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 0 9 0 0 0 0 0 0 5 1 3 3 1 7 0 3 9 4 4 0 0 0 5 0 0 5 5 1 0 5MS 2V DIV 2MS 2V DIV 2MS 2V DIV 2MS 2V DIV 1MS 2V DIV CQ R233WJ 11 ...

Page 16: ... 4 0 0 4 0 4 1 4 0 4 0 4 5 4 5 0 0 5 0 0 3 4 0 T ape R ch 12 1 11 1 12 1 0 0 3 7 0 0 0 0 0 0 12V 8V T ape L ch 0 7 0 0 4 0 1 2 4 0 0 7 0 6 8 2 4 0 4 0 4 2 0 0 6 0 8 3 8 1 7 1 7 12 1 12 1 0 8 0 6 E 4C212 1 CQ R221U RD243W TAPE BLOCK 12 CQ R233WJ ...

Page 17: ... O 0 50 NC No connection O 0 51 NC No connection O 0 52 NC No connection O 0 53 NC No connection O 0 54 NC No connection O 0 55 PANEL Panel in detection I 4 41 56 SYS CNT System CNT O 4 94 57 POWER CNT System power control O 4 91 58 ACC SENS ACC leaver detection I 4 98 59 NC RDS DATA No connection RDS data input O I 2 47 60 RESET Reset input I 4 97 61 REM IN Remocon data input I 5 5 62 BATT SENS B...

Page 18: ...13 2 Display Block 14 CQ R233WJ ...

Page 19: ...13 3 Tape Block 15 CQ R233WJ ...

Page 20: ...TZJ91BT Zener Diode T D705 YEAD1N4148C Diode T D709 YEADRD62JS3T Zener Diode T D710 YEAD1N4148C Diode T D711 YEAD1N4148C Diode T D715 YEAD1N4148C Diode T D716 MA723TA Diode T D731 YEAD1N4005ST Silicon Diode T D732 YEAD1N4005ST Silicon Diode T D733 YEAD1N4005ST Silicon Diode T D734 YEAD1N4005ST Silicon Diode T D735 YEAD1N4005ST Silicon Diode T D736 YEAD1N4005ST Silicon Diode T D737 YEAD1N4005ST Sil...

Page 21: ...ectrolytic 10MFD 50WV T C655 ECUV1H224ZFN Ceramic 0 22MFD 50WV T C701 ECA1CM222B Electrolytic 0 0022MFD 16WV T C707 ECEA1CU102YB Electrolytic 1000MFD 16WV T C708 ECEA1AU221I Electrolytic 220MFD 10WV T C710 ECEA1AKS221IV Electrolytic 220MFD 10WV T C715 ECA1CHG101I Electrolytic 100MFD 16WV T C717 ECEA1CKS100IV Electrolytic 10MFD 16WV T Ref No Part No Part Name Description Remarks C718 ECUV1H224ZFN C...

Page 22: ...3V Chip 56k ohms 1 10W T R624 ERJ6GEYJ473V Chip 47k ohms 1 10W T R626 ERJ6GEYJ472V Chip 4 7k ohms 1 10W T R627 ERJ6GEYJ102V Chip 1k ohms 1 10W T R628 ERJ6GEYJ102V Chip 1k ohms 1 10W T Ref No Part No Part Name Description Remarks R630 ERJ6GEYJ102V Chip 1k ohms 1 10W T R638 ERJ6GEYJ472V Chip 4 7k ohms 1 10W T R642 ERJ6GEYJ103V Chip 10k ohms 1 10W T R643 ERDS2TJ103T Carbon 10k ohms 1 4W T R650 ERJ6GE...

Page 23: ... Tack Swich T SW909 K0H1BA000445 Tack Swich T SW911 K0H1BA000445 Tack Swich T SW912 K0H1BA000445 Tack Swich T SW913 K0H1BA000445 Tack Swich T SW914 K0H1BA000445 Tack Swich T SW915 K0H1BA000445 Tack Swich T SW916 K0H1BA000445 Tack Swich T SW917 K0H1BA000445 Tack Swich T SW918 K0H1BA000445 Tack Swich T SW919 K0H1BA000445 Tack Swich T Ref No Part No Part Name Description Remarks SW920 K0H1BA000445 Ta...

Page 24: ...d Pwr T 2 A 40 YFE134C437ZA Button Preset T 1 A 41 YFE134C441ZA Button Tune Track T 1 B 42 YFE134C436ZA Button CD C Disp T 1 B 44 YFE074C059ZA Vol Knob T 2 A 45 YFX054C053ZA Spring Knob T 2 A 46 YFE134C419ZA Button Release T 1 B 47 FX0054C055ZA Spring Open T 1 B 48 YFC024C598ZA Rear Cover T 2 B 49 XTN2 8GFZ Screw Esc T 2 B 50 YFV024C080ZA Sheet LCD T 2 B 51 YFX214C315YA LCD Bracket T 2 B 52 YEFX00...

Page 25: ...15 EXPLODED VIEW Unit CQ R233WJ 21 ...

Page 26: ... C 36 YESFX209007 Reel Ass y 2 A 3 B 37 YESFX005074 B Tension Spring F 2 A 3 B 40 YESAK01013 Sub Motor Ass y 4 A 43 YESAK01014 Main Motor Ass y 4 A 44 YESAE283 M Connector Ass y 4 A 45 YESFX006002 Wire Clamper 3 A 48 YESFX213004 FL Capstan ASS Y 1 B 49 YEFSFR03003 Main Belt 1 B 52 YESFX046064 Case Lifter 4 A 53 YESFX239006 Cassette Case 3 B 54 YESFS04007 Cusion Rubber 3 B 56 YESFX046065 P S Actuat...

Page 27: ...17 EXPLODED VIEW Tape Deck 23 CQ R233WJ ...

Page 28: ...0 2 32 0 0 2 25 2 25 0 2 230 0 12 0 0 0 66 0 0 0 0 08 E Q 2 08 2 23 2 41 2 38 4 92 0 0 2 43 0 0 0 4 96 2 3 2 43 2 48 2 48 DECODE IC 0 0 1 1 7 5 8 2 2 5 0 0 5 0 0 3 5 3 5 4 2 0 TUNER 2V DIV 0 2S 0 1S 2V DIV 1S 2V DIV 0 2S 2V DIV 50S 2V DIV 2S 2V DIV INIT RD133N RD243N R253U R223W R403 47K 47K 47K R464 47K R780 J J J J 24 CQ R233WJ ...

Page 29: ...9 4 19 4 19 4 18 4 19 4 19 8 69 5 01 IC 301 E VR 0 0 7 39 4 96 7 39 14 38 7 35 0 7 36 7 31 7 23 7 22 0 7 15 7 11 7 23 7 38 0 7 36 14 38 7 36 5 05 7 37 0 0 IC 270 POWER IC 4 91 0 0 4 97 0 4 97 0 0 4 96 0 4 95 0 4 96 4 98 IC 602 BUFFER IC 1 87 2 21 4 96 0 4 96 1 8 5 4 96 IC 601 POWER DETECTIVE IC INIT RD133N RD243N R253U R223W R403 47K 47K 47K R464 47K R780 J J J J R790 J J J J R800 J J J R801 47K 2...

Page 30: ...2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 0 0 0 0 0 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 0 9 0 0 0 0 0 0 5 1 3 3 1 7 0 3 9 4 4 0 0 0 5 0 0 5 5 1 0 5MS 2V DIV 2MS 2V DIV 2MS 2V DIV 2MS 2V DIV 1MS 2V DIV 26 CQ R233WJ ...

Page 31: ...18 4 Display Block Right Side E 4C249 CQ R223W R223WJ CQ R253U DISPLAY BLOCK 2 5 2 5 2 5 2 5 2 5 2 5 0 0 0 0 0 27 CQ R233WJ ...

Page 32: ...18 5 Tape Block Left Side 12 1 11 1 12 1 0 0 3 7 0 0 0 0 0 0 0 0 6 0 8 3 8 E 4C212 28 CQ R233WJ ...

Page 33: ... 0 4 0 0 4 0 4 1 4 0 4 0 4 5 4 5 0 0 5 0 0 3 4 0 T ape R ch 12V 8V T ape L ch 0 7 0 0 4 0 1 2 4 0 0 7 0 6 8 2 4 0 4 0 4 2 0 0 6 0 8 3 8 1 7 1 7 12 1 12 1 0 8 0 6 E 4C212 1 CQ R221U RD243W TAPE BLOCK 29 CQ R233WJ Printed in Taiwan 2003 01 ...

Page 34: ...38 7 35 0 7 36 7 31 7 23 7 22 0 7 15 7 11 7 23 7 38 0 7 36 14 38 7 36 5 05 7 37 0 0 IC 270 POWER IC 4 91 0 0 4 97 0 4 97 0 0 4 96 0 4 95 0 4 96 4 98 IC 602 BUFFER IC 1 87 2 21 4 96 0 4 96 1 8 5 4 96 IC 601 POWER DETECTIVE IC 0 12 0 0 0 66 0 0 0 0 08 E Q 2 08 2 23 2 41 2 38 4 92 0 0 2 43 0 0 0 4 96 2 3 2 43 2 48 2 48 DECODE IC 0 0 1 1 7 5 8 2 2 5 0 0 5 0 0 3 5 3 5 4 2 0 TUNER 2V DIV 0 2S 0 1S 2V DI...

Page 35: ...CQ R233WJ 10 ...

Page 36: ...5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 0 0 0 0 0 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 0 9 0 0 0 0 0 0 5 1 3 3 1 7 0 3 9 4 4 0 0 0 5 0 0 5 5 1 0 5MS 2V DIV 2MS 2V DIV 2MS 2V DIV 2MS 2V DIV 1MS 2V DIV CQ R233WJ 11 ...

Page 37: ... 4 0 0 4 0 4 1 4 0 4 0 4 5 4 5 0 0 5 0 0 3 4 0 T ape R ch 12 1 11 1 12 1 0 0 3 7 0 0 0 0 0 0 12V 8V T ape L ch 0 7 0 0 4 0 1 2 4 0 0 7 0 6 8 2 4 0 4 0 4 2 0 0 6 0 8 3 8 1 7 1 7 12 1 12 1 0 8 0 6 E 4C212 1 CQ R221U RD243W TAPE BLOCK 12 CQ R233WJ ...

Page 38: ... O 0 50 NC No connection O 0 51 NC No connection O 0 52 NC No connection O 0 53 NC No connection O 0 54 NC No connection O 0 55 PANEL Panel in detection I 4 41 56 SYS CNT System CNT O 4 94 57 POWER CNT System power control O 4 91 58 ACC SENS ACC leaver detection I 4 98 59 NC RDS DATA No connection RDS data input O I 2 47 60 RESET Reset input I 4 97 61 REM IN Remocon data input I 5 5 62 BATT SENS B...

Page 39: ...13 2 Display Block 14 CQ R233WJ ...

Page 40: ...13 3 Tape Block 15 CQ R233WJ ...

Page 41: ...TZJ91BT Zener Diode T D705 YEAD1N4148C Diode T D709 YEADRD62JS3T Zener Diode T D710 YEAD1N4148C Diode T D711 YEAD1N4148C Diode T D715 YEAD1N4148C Diode T D716 MA723TA Diode T D731 YEAD1N4005ST Silicon Diode T D732 YEAD1N4005ST Silicon Diode T D733 YEAD1N4005ST Silicon Diode T D734 YEAD1N4005ST Silicon Diode T D735 YEAD1N4005ST Silicon Diode T D736 YEAD1N4005ST Silicon Diode T D737 YEAD1N4005ST Sil...

Page 42: ...ectrolytic 10MFD 50WV T C655 ECUV1H224ZFN Ceramic 0 22MFD 50WV T C701 ECA1CM222B Electrolytic 0 0022MFD 16WV T C707 ECEA1CU102YB Electrolytic 1000MFD 16WV T C708 ECEA1AU221I Electrolytic 220MFD 10WV T C710 ECEA1AKS221IV Electrolytic 220MFD 10WV T C715 ECA1CHG101I Electrolytic 100MFD 16WV T C717 ECEA1CKS100IV Electrolytic 10MFD 16WV T Ref No Part No Part Name Description Remarks C718 ECUV1H224ZFN C...

Page 43: ...3V Chip 56k ohms 1 10W T R624 ERJ6GEYJ473V Chip 47k ohms 1 10W T R626 ERJ6GEYJ472V Chip 4 7k ohms 1 10W T R627 ERJ6GEYJ102V Chip 1k ohms 1 10W T R628 ERJ6GEYJ102V Chip 1k ohms 1 10W T Ref No Part No Part Name Description Remarks R630 ERJ6GEYJ102V Chip 1k ohms 1 10W T R638 ERJ6GEYJ472V Chip 4 7k ohms 1 10W T R642 ERJ6GEYJ103V Chip 10k ohms 1 10W T R643 ERDS2TJ103T Carbon 10k ohms 1 4W T R650 ERJ6GE...

Page 44: ... Tack Swich T SW909 K0H1BA000445 Tack Swich T SW911 K0H1BA000445 Tack Swich T SW912 K0H1BA000445 Tack Swich T SW913 K0H1BA000445 Tack Swich T SW914 K0H1BA000445 Tack Swich T SW915 K0H1BA000445 Tack Swich T SW916 K0H1BA000445 Tack Swich T SW917 K0H1BA000445 Tack Swich T SW918 K0H1BA000445 Tack Swich T SW919 K0H1BA000445 Tack Swich T Ref No Part No Part Name Description Remarks SW920 K0H1BA000445 Ta...

Page 45: ...d Pwr T 2 A 40 YFE134C437ZA Button Preset T 1 A 41 YFE134C441ZA Button Tune Track T 1 B 42 YFE134C436ZA Button CD C Disp T 1 B 44 YFE074C059ZA Vol Knob T 2 A 45 YFX054C053ZA Spring Knob T 2 A 46 YFE134C419ZA Button Release T 1 B 47 FX0054C055ZA Spring Open T 1 B 48 YFC024C598ZA Rear Cover T 2 B 49 XTN2 8GFZ Screw Esc T 2 B 50 YFV024C080ZA Sheet LCD T 2 B 51 YFX214C315YA LCD Bracket T 2 B 52 YEFX00...

Page 46: ...15 EXPLODED VIEW Unit CQ R233WJ 21 ...

Page 47: ... C 36 YESFX209007 Reel Ass y 2 A 3 B 37 YESFX005074 B Tension Spring F 2 A 3 B 40 YESAK01013 Sub Motor Ass y 4 A 43 YESAK01014 Main Motor Ass y 4 A 44 YESAE283 M Connector Ass y 4 A 45 YESFX006002 Wire Clamper 3 A 48 YESFX213004 FL Capstan ASS Y 1 B 49 YEFSFR03003 Main Belt 1 B 52 YESFX046064 Case Lifter 4 A 53 YESFX239006 Cassette Case 3 B 54 YESFS04007 Cusion Rubber 3 B 56 YESFX046065 P S Actuat...

Page 48: ...17 EXPLODED VIEW Tape Deck 23 CQ R233WJ ...

Page 49: ...0 2 32 0 0 2 25 2 25 0 2 230 0 12 0 0 0 66 0 0 0 0 08 E Q 2 08 2 23 2 41 2 38 4 92 0 0 2 43 0 0 0 4 96 2 3 2 43 2 48 2 48 DECODE IC 0 0 1 1 7 5 8 2 2 5 0 0 5 0 0 3 5 3 5 4 2 0 TUNER 2V DIV 0 2S 0 1S 2V DIV 1S 2V DIV 0 2S 2V DIV 50S 2V DIV 2S 2V DIV INIT RD133N RD243N R253U R223W R403 47K 47K 47K R464 47K R780 J J J J 24 CQ R233WJ ...

Page 50: ...9 4 19 4 19 4 18 4 19 4 19 8 69 5 01 IC 301 E VR 0 0 7 39 4 96 7 39 14 38 7 35 0 7 36 7 31 7 23 7 22 0 7 15 7 11 7 23 7 38 0 7 36 14 38 7 36 5 05 7 37 0 0 IC 270 POWER IC 4 91 0 0 4 97 0 4 97 0 0 4 96 0 4 95 0 4 96 4 98 IC 602 BUFFER IC 1 87 2 21 4 96 0 4 96 1 8 5 4 96 IC 601 POWER DETECTIVE IC INIT RD133N RD243N R253U R223W R403 47K 47K 47K R464 47K R780 J J J J R790 J J J J R800 J J J R801 47K 2...

Page 51: ...2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 0 0 0 0 0 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 0 9 0 0 0 0 0 0 5 1 3 3 1 7 0 3 9 4 4 0 0 0 5 0 0 5 5 1 0 5MS 2V DIV 2MS 2V DIV 2MS 2V DIV 2MS 2V DIV 1MS 2V DIV 26 CQ R233WJ ...

Page 52: ...18 4 Display Block Right Side E 4C249 CQ R223W R223WJ CQ R253U DISPLAY BLOCK 2 5 2 5 2 5 2 5 2 5 2 5 0 0 0 0 0 27 CQ R233WJ ...

Page 53: ...18 5 Tape Block Left Side 12 1 11 1 12 1 0 0 3 7 0 0 0 0 0 0 0 0 6 0 8 3 8 E 4C212 28 CQ R233WJ ...

Page 54: ... 0 4 0 0 4 0 4 1 4 0 4 0 4 5 4 5 0 0 5 0 0 3 4 0 T ape R ch 12V 8V T ape L ch 0 7 0 0 4 0 1 2 4 0 0 7 0 6 8 2 4 0 4 0 4 2 0 0 6 0 8 3 8 1 7 1 7 12 1 12 1 0 8 0 6 E 4C212 1 CQ R221U RD243W TAPE BLOCK 29 CQ R233WJ Printed in Taiwan 2003 01 ...

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Page 69: ...2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 0 0 0 0 0 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 0 9 0 0 0 0 0 0 5 1 3 3 1 7 0 3 9 4 4 0 0 0 5 0 0 5 5 1 0 5MS 2V DIV 2MS 2V DIV 2MS 2V DIV 2MS 2V DIV 1MS 2V DIV ...

Page 70: ...E 4C249 CQ R223W R223WJ CQ R253U DISPLAY BLOCK 2 5 2 5 2 5 2 5 2 5 2 5 0 0 0 0 0 ...

Page 71: ... 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 0 0 0 0 0 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 2 5 0 9 0 0 0 0 0 0 5 1 3 3 1 7 0 3 9 4 4 0 0 0 5 0 0 5 5 1 0 5MS 2V DIV 2MS 2V DIV 2MS 2V DIV 2MS 2V DIV 1MS 2V DIV ...

Page 72: ... 230 0 12 0 0 0 66 0 0 0 0 08 E Q 2 08 2 23 2 41 2 38 4 92 0 0 2 43 0 0 0 4 96 2 3 2 43 2 48 2 48 DECODE IC 0 0 1 1 7 5 8 2 2 5 0 0 5 0 0 3 5 3 5 4 2 0 TUNER 2V DIV 0 2S 0 1S 2V DIV 1S 2V DIV 0 2S 2V DIV 50S 2V DIV 2S 2V DIV INIT RD133N RD243N R253U R223W R403 47K 47K 47K R464 47K R780 J J J J ...

Page 73: ...19 4 19 4 19 4 18 4 19 4 19 8 69 5 01 IC 301 E VR 0 0 7 39 4 96 7 39 14 38 7 35 0 7 36 7 31 7 23 7 22 0 7 15 7 11 7 23 7 38 0 7 36 14 38 7 36 5 05 7 37 0 0 IC 270 POWER IC 4 91 0 0 4 97 0 4 97 0 0 4 96 0 4 95 0 4 96 4 98 IC 602 BUFFER IC 1 87 2 21 4 96 0 4 96 1 8 5 4 96 IC 601 POWER DETECTIVE IC INIT RD133N RD243N R253U R223W R403 47K 47K 47K R464 47K R780 J J J J R790 J J J J R800 J J J R801 47K ...

Page 74: ... 7 35 0 7 36 7 31 7 23 7 22 0 7 15 7 11 7 23 7 38 0 7 36 14 38 7 36 5 05 7 37 0 0 IC 270 POWER IC 4 91 0 0 4 97 0 4 97 0 0 4 96 0 4 95 0 4 96 4 98 IC 602 BUFFER IC 1 87 2 21 4 96 0 4 96 1 8 5 4 96 IC 601 POWER DETECTIVE IC 0 12 0 0 0 66 0 0 0 0 08 E Q 2 08 2 23 2 41 2 38 4 92 0 0 2 43 0 0 0 4 96 2 3 2 43 2 48 2 48 DECODE IC 0 0 1 1 7 5 8 2 2 5 0 0 5 0 0 3 5 3 5 4 2 0 TUNER 2V DIV 0 2S 0 1S 2V DIV ...

Page 75: ...12 1 11 1 12 1 0 0 3 7 0 0 0 0 0 0 0 0 6 0 8 3 8 E 4C212 ...

Page 76: ... 4 0 4 0 4 0 0 4 0 4 1 4 0 4 0 4 5 4 5 0 0 5 0 0 3 4 0 T ape R ch 12V 8V T ape L ch 0 7 0 0 4 0 1 2 4 0 0 7 0 6 8 2 4 0 4 0 4 2 0 0 6 0 8 3 8 1 7 1 7 12 1 12 1 0 8 0 6 E 4C212 1 CQ R221U RD243W TAPE BLOCK ...

Page 77: ...0 4 1 4 0 4 0 4 5 4 5 0 0 5 0 0 3 4 0 T ape R ch 12 1 11 1 12 1 0 0 3 7 0 0 0 0 0 0 12V 8V T ape L ch 0 7 0 0 4 0 1 2 4 0 0 7 0 6 8 2 4 0 4 0 4 2 0 0 6 0 8 3 8 1 7 1 7 12 1 12 1 0 8 0 6 E 4C212 1 CQ R221U RD243W TAPE BLOCK ...

Page 78: ......

Page 79: ......

Page 80: ... E 4C249 TOP VIEW E 4C249 BOTTOM VIEW CQ R223W R253U DISPLAY PCB ...

Page 81: ... E 4C244 BOTTOM VIEW CQ RD133N 143N 153N 243N R253U R223W MAIN PCB ...

Page 82: ... E 4C244 TOP VIEW CQ RD133N 143N 153N 243N R253U R223W MAIN PCB ...

Page 83: ... E 4C212 Bottom View ...

Page 84: ... E 4C212 1 Top View E 4C212 1 Bottom View CQ R221U RD243N TAPE PCB ...

Page 85: ... E 4C212 Top View ...

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