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Sanyo CE14SP4R Service Manual

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SERVICE MANUAL Colour Television
Specifications
Power Source . . . . . . . . . . AC110-240V, 50Hz/60Hz.
Colour System . . . . . . . . . PAL/SECAM/NTSC4.43/NTSC/PAL-60Hz
Sound System . . . . . . . . . B/G, D/K, K', I, M/M
Channel Coverage
. . . . . VHF: E2-E12, R1-R12, K1-K9, A2-A13, J1-J12
UHF: 21-69, 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: Phone jack x 2 (1Vp - p, 75Ω)
Audio inputs: Phone jack x 2 (436mVrms, more than 40KΩ)
Video monitor outputs: Phone jack x 1 (1Vp - p, 75Ω)
Audio monitor outputs: Phone jack x 1 (436mVrms, less than 600Ω)
Speaker
. . . . . . . . . 6 cm x 12 cm x 2 pcs.
Sound Output (RMS) . . . . 3W + 3W
Dimensions
. . . . . . . . . . . 480 (W) x 306 (H) x 392 (D)mm
Weight . . . . . . . . . . . . . . . . approx. 10.3 Kg
Specifications subject to change without notice.
C4FVR
FILE NO.
Model No. CE14SP4R
Service Ref. No. CE14SP4R-00
TIMER
TV/AV
1
2
3
4
5
6
7
8
9
0
-/--
BASS
A B
SURROUND
P
P
P
CH SCAN
P
SWAP
MENU
PIC MODE
JXMYA
Product Code : 111356544
Original Version
Chassis Series: AC5-C
Give complete "SERVICE REF. NO." for
parts order or servicing. It is shown on the
rating plate 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.
(Russia)

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Summary of Contents for Sanyo CE14SP4R

  • Page 1 FILE NO. SERVICE MANUAL Colour Television Model No. CE14SP4R (Russia) Service Ref. No. CE14SP4R-00 TIMER TV/AV -/-- BASS SURROUND CH SCAN SWAP MENU PIC MODE JXMYA Product Code : 111356544 Specifications Power Source ..AC110-240V, 50Hz/60Hz.

  • Page 2: Chassis Block Diagrams

    Chassis Block Diagrams MAIN SIGNAL PROCESSING CIRCUIT...

  • Page 3: System Control

    Chassis Block Diagrams SYSTEM CONTROL...

  • Page 4: Ic Block Diagrams

    IC Block Diagrams IC201 < IF/Video/Chroma/Def. > LA76818J-A-E Audio Output SIF Input FM Output/Selected SIF APC Filter Audio Output PIF AGC SIF Output 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 5 IC Block Diagrams IC201 <IF System Block Diagram> LA76818J-A-E...
  • Page 6 IC Block Diagrams IC281 <SECAM Decoder> LA7642N IC501 < Vertical Output > LA78040/TDA9302H Thermal EQU-Adj Kil-Out AV/SECAM SC-In 4MHz In Video In 4.43MHz In Protection Pulse System Pulse Bell/EQU Bell/EQU Filter Pump KILLER Filter Clamp F0 Adj ID-KIL SW/ALC F0-Fil Kil-Fil 4.43DC ID-Fil...

  • Page 7: 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 8 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 INITIAL INITIAL DATA DATA ITEM SETUP DESCRIPTION DESCRIPTION ITEM SETUP...
  • Page 9 Service Adjustments with Replacing Memory IC (IC802) INITIAL INITIAL DATA DATA DESCRIPTION ITEM SETUP ITEM DESCRIPTION SETUP RANGE RANGE DATA DATA CPU Debug Date. 00~255 CPU Debug Date. 00~255 CPU Debug Date. 00~255 00~255 CPU Debug Date. CPU Debug Date. 00~255 00~255 CPU Debug Date.
  • Page 10 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. MENU Display for [RF AGC] RF AGC adjustment MENU Read Status SI.

  • Page 11: 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 12: Main Board

    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, 16 BBIAS mode 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 13: Service Adjustments

    Service Adjustments +B VOLTAGE ADJUSTMENT HORIZ. WIDTH ADJUSTMENT 1. Connect DC meter to TP-B and the ground. 1. Receive a monochrome circular pattern. 2. Tune the receiver to an active channel and synchronized 2. Set the brightness and contrast to maximum. picture.

  • Page 14: 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 15 8. This circuit diagram covers a basic or representative chassis only. There W: Wire wounding Rated wattage (1/2W) POSISTER may be some components or partial circuit differences between the SERVICE CE14SP4R-00 C: Solid RESISTOR Q,R,S actual chassis and the circuit diagram. REF. NO.

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