Pioneer KRL-46V Service Manual page 37

5
Does not the sound go out though the picture has come out when DTV is received?
MAIN UNIT:
Is DTV_SPDIF audio signal output from pin (T2) of IC8101 (CPU/
DECODER) to pin (42) of connector SC1101?
TERMINAL UNIT: YES
Is DTV_SPDIF audio signal input from pin(42) of connector
SC501 to pin(4) of IC1404(CODEC)?
YES
Refer to "No sound output in all modes".
Does not the sound of the audio signal input to INPUT1(SCART1) go out?
Does not the sound of the audio signal input to INPUT2(SCART2) go out?
TEREMINAL UNIT:
INPUT1
Is the audio signal properly sent to pins (6) (IN1_L) and (2)
(IN1_R) of SCART1(SC502)?
INPUT2
Is the audio signal properly sent to pins (6) (IN2_L) and (2)
(IN2_R) of SCART2(SC503)?
YES
INPUT1
Is the audio signal properly sent to pins (51) (IN1_L) and (52)
(IN1_R) of IC1404(CODEC)?
INPUT2
Is the audio signal properly sent to pins (53) (IN2_L) and (54)
(IN2_R) of IC1404(CODEC)?
YES
Refer to "No sound output in all modes".
5
6
No sound (during the reception of TV (DIGITAL) broadcasting)
NO
NO
No sound from external input devices (1)
NO
NO
NO
NO
KRL-46V
6
7
Check the line between IC8101 and SC1101, and their peripheral
circuits.
Check the line between SC501 and IC1404.
(SC1101/SC501, etc.)
Check the setting of an external input device that connects of
SC502.
Check the setting of an external input device that connects of
SC503.
Check the line between SC502 and IC1404.
Check the line between SC503 and IC1404.
7
8
A
B
C
D
E
F
37
8