Sharp XV-Z10000 (serv.man11) Service Manual ▷ View online
48
XV-Z10000
YES
YES
YES
NO
Checking the
Component and RGB
Inputs
Are there signals at pins
(34), (36) and (38) of
IC2505?
(34), (36) and (38) of
IC2505?
Check the line from
Q2525 through Q2523 to
Q2524 and its peripheral
circuits.
Q2525 through Q2523 to
Q2524 and its peripheral
circuits.
Check the line between
Q2518 and Q2520 and its
peripheral circuits.
Q2518 and Q2520 and its
peripheral circuits.
Check the board-to-board
connections or the
circuits that follow the PC
board.
connections or the
circuits that follow the PC
board.
NO
YES
Are there signals at pins
(56/26), (58/28) and
(60/30) on the board-to-
board section of P3580?
(56/26), (58/28) and
(60/30) on the board-to-
board section of P3580?
NO
There are no RGB colors.
NO
Check the signal input
circuit or IC2505 and its
peripheral circuits.
circuit or IC2505 and its
peripheral circuits.
Check the circuit of the
color that fails to appear.
color that fails to appear.
YES
NO
Are there signals at pins
(3), (5) and (6) of IC2507?
(3), (5) and (6) of IC2507?
YES
There are no RGB colors.
NO
Check the line between
Q2509 and Q2517 and its
peripheral circuits, or
IC2507.
Q2509 and Q2517 and its
peripheral circuits, or
IC2507.
Check the circuit of the
color that fails to appear.
color that fails to appear.
Are there signals at pins
(49/19), (51/21) and
(53/23) on the board-to-
board section of P3580?
(49/19), (51/21) and
(53/23) on the board-to-
board section of P3580?
48
XV-Z10000
YES
YES
YES
NO
Checking the
Component and RGB
Inputs
Are there signals at pins
(34), (36) and (38) of
IC2505?
(34), (36) and (38) of
IC2505?
Check the line from
Q2525 through Q2523 to
Q2524 and its peripheral
circuits.
Q2525 through Q2523 to
Q2524 and its peripheral
circuits.
Check the line between
Q2518 and Q2520 and its
peripheral circuits.
Q2518 and Q2520 and its
peripheral circuits.
Check the board-to-board
connections or the
circuits that follow the PC
board.
connections or the
circuits that follow the PC
board.
NO
YES
Are there signals at pins
(56/26), (58/28) and
(60/30) on the board-to-
board section of P3580?
(56/26), (58/28) and
(60/30) on the board-to-
board section of P3580?
NO
There are no RGB colors.
NO
Check the signal input
circuit or IC2505 and its
peripheral circuits.
circuit or IC2505 and its
peripheral circuits.
Check the circuit of the
color that fails to appear.
color that fails to appear.
YES
NO
Are there signals at pins
(3), (5) and (6) of IC2507?
(3), (5) and (6) of IC2507?
YES
There are no RGB colors.
NO
Check the line between
Q2509 and Q2517 and its
peripheral circuits, or
IC2507.
Q2509 and Q2517 and its
peripheral circuits, or
IC2507.
Check the circuit of the
color that fails to appear.
color that fails to appear.
Are there signals at pins
(49/19), (51/21) and
(53/23) on the board-to-
board section of P3580?
(49/19), (51/21) and
(53/23) on the board-to-
board section of P3580?
48
XV-Z10000
YES
YES
YES
NO
Checking the
Component and RGB
Inputs
Are there signals at pins
(34), (36) and (38) of
IC2505?
(34), (36) and (38) of
IC2505?
Check the line from
Q2525 through Q2523 to
Q2524 and its peripheral
circuits.
Q2525 through Q2523 to
Q2524 and its peripheral
circuits.
Check the line between
Q2518 and Q2520 and its
peripheral circuits.
Q2518 and Q2520 and its
peripheral circuits.
Check the board-to-board
connections or the
circuits that follow the PC
board.
connections or the
circuits that follow the PC
board.
NO
YES
Are there signals at pins
(56/26), (58/28) and
(60/30) on the board-to-
board section of P3580?
(56/26), (58/28) and
(60/30) on the board-to-
board section of P3580?
NO
There are no RGB colors.
NO
Check the signal input
circuit or IC2505 and its
peripheral circuits.
circuit or IC2505 and its
peripheral circuits.
Check the circuit of the
color that fails to appear.
color that fails to appear.
YES
NO
Are there signals at pins
(3), (5) and (6) of IC2507?
(3), (5) and (6) of IC2507?
YES
There are no RGB colors.
NO
Check the line between
Q2509 and Q2517 and its
peripheral circuits, or
IC2507.
Q2509 and Q2517 and its
peripheral circuits, or
IC2507.
Check the circuit of the
color that fails to appear.
color that fails to appear.
Are there signals at pins
(49/19), (51/21) and
(53/23) on the board-to-
board section of P3580?
(49/19), (51/21) and
(53/23) on the board-to-
board section of P3580?
48
XV-Z10000
YES
YES
YES
NO
Checking the
Component and RGB
Inputs
Are there signals at pins
(34), (36) and (38) of
IC2505?
(34), (36) and (38) of
IC2505?
Check the line from
Q2525 through Q2523 to
Q2524 and its peripheral
circuits.
Q2525 through Q2523 to
Q2524 and its peripheral
circuits.
Check the line between
Q2518 and Q2520 and its
peripheral circuits.
Q2518 and Q2520 and its
peripheral circuits.
Check the board-to-board
connections or the
circuits that follow the PC
board.
connections or the
circuits that follow the PC
board.
NO
YES
Are there signals at pins
(56/26), (58/28) and
(60/30) on the board-to-
board section of P3580?
(56/26), (58/28) and
(60/30) on the board-to-
board section of P3580?
NO
There are no RGB colors.
NO
Check the signal input
circuit or IC2505 and its
peripheral circuits.
circuit or IC2505 and its
peripheral circuits.
Check the circuit of the
color that fails to appear.
color that fails to appear.
YES
NO
Are there signals at pins
(3), (5) and (6) of IC2507?
(3), (5) and (6) of IC2507?
YES
There are no RGB colors.
NO
Check the line between
Q2509 and Q2517 and its
peripheral circuits, or
IC2507.
Q2509 and Q2517 and its
peripheral circuits, or
IC2507.
Check the circuit of the
color that fails to appear.
color that fails to appear.
Are there signals at pins
(49/19), (51/21) and
(53/23) on the board-to-
board section of P3580?
(49/19), (51/21) and
(53/23) on the board-to-
board section of P3580?