Ikegami HTM-1517R Service Manual Download

Page: 7 / 108

1. MAINTENANCE and ADJUSTMENT

When the specified performance can no longer be
obtained with the adjusters on the front panel or when
parts have been replaced due to a malfunction, perform
adjustment of the following parts.

When adjusting a board inserted into the slot section,
use the EXTENDER BOARD (option).

A. MAIN CHASSIS

• Adjustment procedure ............................ 1-A-1
• Block Diagram ....................................... 1-A-3
• Schematic Diagram ................................ 1-A-4

B. VIDEO SYSTEM

• Outline .................................................... 1-B-1

a. MOTHER BOARD

• Adjustment procedure ............................ 1-B-2
• Schematic Diagram ................................ 1-B-3
• Parts Location ......................................... 1-B-4

b. MPU BOARD

• Adjustment procedure ............................ 1-B-6
• Block Diagram ....................................... 1-B-7
• Schematic Diagram ................................ 1-B-8
• Parts Location ......................................... 1-B-12

c. VIDEO PROCESS BOARD

• Adjustment procedure ............................ 1-B-13
• Block Diagram ....................................... 1-B-16
• Schematic Diagram ................................ 1-B-17
• Parts Location ......................................... 1-B-20

d. RGB OUT BOARD

• Adjustment procedure ............................ 1-B-22
• Schematic Diagram ................................ 1-B-23
• Parts Location ......................................... 1-B-24

e. CRT SOCKET BOARD

• Schematic Diagram ................................ 1-B-26
• Parts Location ......................................... 1-B-27

C. DEF and POWER SYSTEM

• Outline .................................................... 1-C-1

a. DEF BOARD

• Adjustment procedure ............................ 1-C-2
• Block Diagram ....................................... 1-C-3
• Schematic Diagram ................................ 1-C-4
• Parts Location ......................................... 1-C-6

b. HV OUT BOARD

• Schematic Diagram ................................ 1-C-8
• Parts Location ......................................... 1-C-9

c. POWER UL BOARD

• Adjustment procedure ............................ 1-C-10
• Block Diagram ....................................... 1-C-11
• Schematic Diagram ................................ 1-C-12
• Parts Location ......................................... 1-C-13

d. POWER EUR BOARD

• Adjustment procedure ............................ 1-C-14
• Block Diagram ....................................... 1-C-15
• Schematic Diagram ................................ 1-C-16
• Parts Location ......................................... 1-C-17

D. CONTROL SYSTEMS

• Outline .................................................... 1-D-1
• Block Diagram ....................................... 1-D-2

a. FRONT PANEL BOARD

• Schematic Diagram ................................ 1-D-3
• Parts Location ......................................... 1-D-4

b. FRONT LEFT BOARD

• Schematic Diagram ................................ 1-D-5
• Parts Location ......................................... 1-D-6

c. CONTROL/VR BOARD

• Schematic Diagram ................................ 1-D-8
• Parts Location ......................................... 1-D-9

d. LED BOARD

• Schematic Diagram ................................ 1-D-12
• Parts Location ......................................... 1-D-13