Sanyo CP29AF2X Service Manual

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SERVICE MANUAL Colour Television

Specifications

Power Source . . . . . . . . . AC110-240V, 50Hz/60Hz.

Colour System . . . . . . . . PAL/NTSC4.43/NTSC/PAL-60Hz

Television System . . . . . . B/G, D/K, K', I, M/M

Channel Coverage . . . . . VHF: 0-11,5A (Aus.), 1-11 (NZ),

UHF: 21-69, 28-69 (Aus.), A14-A69, J13-J62,

CATV: S1-S41, X, Y, Z, Z+1, Z+2

Video IF . . . . . . . . . . . . . . 38.0MHz

Aerial Input Impedance . . 75Ω

Ext. Terminals

Video inputs: Phono jack ✕ 2 (1Vp - p, 75Ω)

S-Video inputs: Din 4 pin ✕ 1 (Separeted Y/C signal input)

Audio inputs: Phono jack (L/R) ✕ 2(436mVrms, more than 40KΩ)

Video monitor outputs: Phono jack ✕ 1(1Vp - p, 75Ω)

Audio monitor outputs: Phono jack (L/R) ✕ 1(436mVrms, less than 600Ω)

Headphone jack: Mini stereo jack ✕ 1

Sound Output (RMS) . . . . 5W + 5W

Speaker . . . . . . . . . . . . . 6 cm ✕ 12 cm ✕ 2 pcs.

Dimensions . . . . . 750 (W) ✕ 582 (H) ✕ 503 (D)mm

Weight . . . . . . . . . 46.8 Kg

Specifications subject to change without notice.

C2SWG/C2SWB

E2-E12, R1-R12, K1-K9, A2-A13, J1-J12

FILE NO.

Model No. CP29AF2X

(Australia / New Zealand)

Service Ref. No. CP29AF2X-50

TV/AV

TIMER

-/--

CH SCAN

SWAP

SOUND

•

BASS

PICTURE

SURROUND

S.SYS

C.SYS

JXMRM

Product Code: 111351637

Original Version

Chassis Series: FC3-G2

- NOTE -

Service Ref. No. CP29AF2X-60 is electrically the

same as Service Ref. No. CP29AF2X-50.

The difference between Service Ref. No.

CP29AF2X-50 and CP29AF2X-60 are as follows:

1) Destination CP29AF2X-50...Australia

CP29AF2X-60...New Zealand

2 ) The difference in a parts list is only a rating

label.

Give complete "SERVICE REF. NO." for

parts order or servicing. It is shown on the

rating label at the cabinet back of the unit.

This T.V. receiver will not work properly in

foreign countries where the television

transmission system and power source dif-

fer from the design specifications. Refer to

the specification table.

REFERENCE NO.

(A)

(Australia)

CP29AF2X-60

(New Zealand)

5110635

Table of Contents

Summary of Contents for Sanyo CP29AF2X

Page 1 E2-E12, R1-R12, K1-K9, A2-A13, J1-J12 - NOTE - UHF: 21-69, 28-69 (Aus.), A14-A69, J13-J62, Service Ref. No. CP29AF2X-60 is electrically the CATV: S1-S41, X, Y, Z, Z+1, Z+2 same as Service Ref. No. CP29AF2X-50. Video IF ....38.0MHz The difference between Service Ref.
Page 2: Table Of Contents
Contents Safety Notice ............... . 2 Chassis Block Diagram .
Page 3: Chassis Block Diagram
Chassis Block Diagrams (Main Signal Processing Circuit)
Page 4 Chassis Block Diagrams (System Control)
Page 5: Ic Block Diagrams
IC Block Diagrams IC201 < IF/Video/Chroma/Def. > LA76818A Audio Output SIF Input FM Output/Selected SIF APC Filter Audio Output SIF Output PIF AGC Ext. Audio Input RF AGC Output PIF Input1 APC Filter VCO Coil 1 PIF Input 2 VCO Coil 2 IF Ground VCO Filter IF Vcc...
Page 6 IC Block Diagrams IC201 <IF System Block Diagram> LA76818A...
Page 7 IC Block Diagrams IC1401 < VIDEO Switch > MM1188XS IC501 < Vertical Output > LA78041 Thermal Protection CLAMP CLAMP CLAMP (-6dB) Pump IN 3 IN1-Y IN 2 IN1-C IN 1 IN 2 IN 3 IC3701 < Audio Control / Surround > NJW1142MP SR-FIL MONa TONE Ha...
Page 8: Service Adjustments With Replacing Memory Ic (Ic802)
Service Adjustments with Replacing Memory IC (IC802) Note: The CPU (IC801) and memory IC (IC802) store the service adjustments data and controls data for each circuit.When the Memory IC(IC802) is replaced, some of the service adjustments should be readjusted to obtain the best performance.
Page 9 Service Adjustments with Replacing Memory IC (IC802) Following table shows the initial values which have been stored in the CPU ROM, and items for the service adjustments. Service mode adjustments table in CPU ROM DATA INITIAL DATA INITIAL ITEM RANGE SETUP DESCRIPTION ITEM...
Page 10 Service Adjustments with Replacing Memory IC (IC802) DATA INITIAL DATA INITIAL ITEM RANGE SETUP DESCRIPTION ITEM RANGE SETUP DESCRIPTION DATA DATA TUNER Tuner Option 0~255 ROM Correction AV123 AV1/AV2/AV3 Option, 0=AV only, 0~255 ROM Correction 1=AV1, AV2, 2~3=AV1, AV2,AV3 0~255 ROM Correction 88 OPT POS Programme number Option,...
Page 11: Service Adjustments With Replacing Memory Ic (Ic802)
Service Adjustments with Replacing Memory IC (IC802) [Entering to Service Mode] Press and hold the MENU button on the Remote Control and press the VOLUME (+) button on the TV set. Following setting items appears on the screen. -/-- Display for [RF AGC] RF AGC adjustment MENU Read Status SI.
Page 12: Service Mode Adjustments
Service Mode Adjustments Following adjustments should be carried out when the memory IC is replaced. How to enter the service mode and adjust values, please refer to “ Entering to Service mode” on page 11. Item 05 [V-SCO] V-S CORRECTION Item 01 [RF AGC] AGC NOTE: Do not attempt this adjustment with weak signal.
Page 13 Service Mode Adjustments Items 14-17, 19-21 GREY SCALE (1) Receive the monochrome circular pattern. (2) Set the brightness and colour to normal, contrast to maximum. (3) Enter to the service mode. (4) Set each value of Item-14 RBIAS, 15 GBIAS and 16 BBIAS to 0 , 17 RDRIV and 19 BDRIV mode to 64. (5) Select Item-20 mode to be one horizontal scanning line and turn the screen volume on the FBT to obtain just visible one coloured line.
Page 14: Service Adjustments
Service Adjustments HORIZ. WIDTH ADJUSTMENT B-VOLTAGE SUPPLY CHECKING (1) Receive a monochrome circular pattern. (1) Connect DC meter to TP-B and the ground. (2) Set the brightness and contrast to maximum. (2) Tune the receiver to an active channel and synchro- (3) If the picture is too wide, or narrow, adjust horizontal nized picture.
Page 15: Special Function
Special Function The following special functions can be set up on this TV How to set the special function: set. Note: When making the VOLUME LOCK setting, set the (1) Volume Lock setting desired maximum sound volume by pressing the VOLUME + or - button before entering Special Function setting mode.
Page 16: Purity And Convergence Adjustment
Purity and Convergence Adjustment CAUTION: The Convergence and Purity adjustments have been made at the factory. Readjustment should be made only after picture tube or deflection yoke replacement, following the steps below: Signals: Use a pattern generator which can output red, Figure 1 Rubber wedge green, blue and white raster and crosshatch...
Page 17: Purity And Convergence Adjustment
Purity and Convergence Adjustment CONVERGENCE ADJUSTMENT Figure 5 FOUR-POLE MAGNET TABS Preparation: After carrying out purity adjustment and SIX-POLE MAGNET TABS before proceeding to convergence adjustment, provisionally insert the rubber wedge so that there is no vertical or ANGLE sideways play in the deflection yoke. OF TABS Signals: Display a crosshatch pattern.
Page 18: Mechanical Disassemblies
Mechanical Disassemblies CABINET BACK REMOVAL CHASSIS REMOVAL 1. Refer to Figure 1, remove 10 screws. 1. Remove cabinet back. 2. Pull off cabinet back and remove. 2. Discharge the picture tube anode (2nd anode lead) to the dag coating (picture tube grounding lead). 3.
Page 19: Cabinet Parts List
Cabinet Parts List Note: Parts order must contain Service Ref. No., Part No., and descriptions. Service Ref.No. CP29AF2X-50 & CP29AF2X-60 AV1 INPUT MONITOR AUDIO S-VIDEO (MONO) ANT. 75Ω VIDEO TV/AV TIMER -/-- -/-- CH SCAN SWAP SOUND • BASS PICTURE SURROUND S.SYS...
Page 20: Chassis Electrical Parts List
C2SWG Chassis Electrical Parts List (Service Ref. No. CP29AF2X-50/CP29AF2X-60) Product safety should be considered when a component replacement is made in any area of a receiver. Components indicated by a mark in this parts list and the circuit diagram show components whose value have special significance to product safety.
Page 21 C2SWG Ref. No. Part No. Description Ref. No. Part No. Description Q122 405 014 4509 TR 2SC2412K T146 R 405 004 3109 TR 2SA564A-Q(CU) 405 014 4608 TR 2SC2412K T146 S 405 004 3208 TR 2SA564A-R(CU) 405 015 8704 TR 2SC2812-L6-TB 405 006 1707 TR 2SA933S-Q 405 015 8902...
Page 22 C2SWG Ref. No. Part No. Description Ref. No. Part No. Description 405 059 9903 TR 2SD1913-R-RA 405 163 1701 TR 2SC2812N-L7-TB0 Q661 405 014 4509 TR 2SC2412K T146 R 405 173 9803 TR 2SC3928A1R 405 014 4608 TR 2SC2412K T146 S 405 173 9902 TR 2SC3928A1S 405 015 8704...
Page 23 C2SWG Ref. No. Part No. Description Ref. No. Part No. Description C1031 404 084 7700 ELECT 10U M C218 401 105 7909 MT-GLAZE 0.000 ZA 1/16W 403 041 8804 ELECT 10U M C219 403 215 2201 CERAMIC 0.01U K C1032 404 084 7700 ELECT 10U M...
Page 24 C2SWG Ref. No. Part No. Description Ref. No. Part No. Description C3717 404 084 8806 ELECT 1U M 403 276 9706 POLYESTER 0.1U K 100V 403 049 0008 ELECT 1U M C527 404 084 8905 ELECT 10U M C3720 404 084 9209 ELECT 4.7U M 403 049 4204...
Page 25 C2SWG Ref. No. Part No. Description Ref. No. Part No. Description C824 403 305 3507 CERAMIC 0.1U Z R1079 401 105 4205 MT-GLAZE 33K JA 1/16W C829 403 164 0204 CERAMIC 0.1U Z R108 401 025 4606 CARBON 18K JA 1/6W C835 404 084 8806...
Page 26 C2SWG Ref. No. Part No. Description Ref. No. Part No. Description R265 401 105 7909 MT-GLAZE 0.000 ZA 1/16W R614 401 025 8208 CARBON 22K JA 1/6W R267 401 026 0607 CARBON 270 JA 1/6W R615 401 025 7409 CARBON 220 JA 1/6W R271...
Page 27 C2SWG Ref. No. Part No. Description Ref. No. Part No. Description R837 401 105 1600 MT-GLAZE 15K JA 1/16W 652 000 1961 LINE FILTER R838 401 105 1600 MT-GLAZE 15K JA 1/16W L616 645 005 0763 CORE,PIPE R839 401 026 3905 CARBON 330 JA 1/6W...
Page 28 C2SWG Ref. No. Part No. Description Ref. No. Part No. Description D1903 407 005 4505 DIODE DS442X 407 057 2801 ZENER DIODE RD6.2EB3 408 008 2406 DIODE 1N4148 408 047 8308 ZENER DIODE MTZJ6.2C-52 407 012 4406 DIODE 1SS133 D662 407 099 5600 ZENER DIODE MTZJ6.8A 407 013 4306...
Page 29 C2SWG Ref. No. Part No. Description Ref. No. Part No. Description 610 313 5427 ASSY,PWB,CRT C5DV 407 013 4207 DIODE 1S2076 407 013 7109 DIODE 1S2473 1AA0B10S1310B MISCELLANEOUS TRANSISTOR K701 645 026 2005 SOCKET,CRT 8P Q721 406 000 6804 TR 2SA1015-G(SAN)-TPE2 405 001 7407 TR 2SA1015-O(SAN) 405 001 7605...
Page 30 -30-...
Page 31 -31-...
Page 32 A14800/Apr,/’04/30 BB SANYO Electric Co., Ltd. Printed in Japan...
Page 33 N: Metalized carbon Kind (M.carbon) 8. This circuit diagram covers a basic or representative chassis only. There S: Oxied metalized W: Wire wounding CP29AF2X-50 may be some components or partial circuit differences between the Rated wattage (1/2W) POSISTER SERVICE C: Solid RESISTOR actual chassis and the circuit diagram.
Page 34 MAIN BOARD (Component Location) Waveforms & Voltages (On the Main Board) CH_UP CH_UP CH_UP CH_UP CH_DOWN CH_DOWN CH_DOWN CH_DOWN VOL_UP VOL_UP MENU MENU MENU MENU TV/AV TV/AV TV/AV TV/AV RC AMP RC AMP RC AMP RC AMP RC AMP RC AMP VOL_DOWN VOL_DOWN IC001 (AUDIO AMP.)

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Sanyo CP29AF2X Service Manual

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