Hitachi HTA-DD1E Service Manual page 10

3) Idling voltage (No adjustment is needed)
Test points
a) Front left channel (MAIN PWB)
10K
Ð +
10K
b) Front right channel (MAIN PWB)
Ð +
c) Center channel (MAIN PWB)
R429
10K
Ð +
10K
d) Surr left channel (SURR PWB)
+ Ð
e) Surr right channel (SURR PWB)
+ Ð
C522
L501
JP513
JP514
K426
10K
10K
L401
RY401
JP407
10K
R639
10K
10K
R640
10K
Condition
Master volume : --- (min)
Temperature : 15 ~ 30°C
Reading (SPEC)
1) POWER ON AFTER ONE MIN.
0.5 ~ 2.0 mV
2) STABLE Æ 1 HOUR
0.8 ~ 8 mV
• IF THIS IDLING VOLT - 0.4 mV
R625 (SURROUND LEFT)
R626 (SURROUND RIGHT)
R529 (FRONT LEFT)
R530 (FRONT RIGHT)
R416 (CENTER)
NEED TO CUT AWAY
• IF 2.1 mV
NEED TO ADD ABOVE RESISTOR
(IF DON'T HAVE ABOVE RESISTOR)