ha12192f Renesas Electronics Corporation., ha12192f Datasheet - Page 12

• Manufacturer Part Number: ha12192f
• Description: Audio Signal Processor For Car Deck Decode Only Dolby B-type Nr With Pb Amp.
• Manufacturer: Renesas Electronics Corporation.

HA12192F/HA12197F/HA12212F Series
Input Block Diagram and Level Diagram
Adjustment of Playback Dolby Level
After replace R5 and R6 with a half-fix volume of 10k , adjust playback Dolby level.
Rev.5, Jun. 1999, page 12 of 89
Note: 1. HA12197F series is not built-in Dolby B-NR.
5.1kΩ
330kΩ
180Ω
R6
R1
R2
5.1kΩ
R5
0.01µF
12kΩ
C1
R4
18kΩ
R3
EQ OUT
M-OUT
NFI
RIN
V
FIN
REF
Figure 3 Input Block Diagram
EQ Amp.
−
+
(−62.2dBs)
0.6mVrms
PBOUT Level
HA12192F/HA12197F : 300mVrms
HA12193F/HA12198F : 387.5mVrms
HA12194F/HA12199F : 450mVrms
DIN
(−28.2dBs)
The each level shown above is typical value
when offering PBOUT level to PBOUT pin.
(EQ Amp. G
0.1µF
30mVrms
C2
Input Amp.
+
−
V
= 40dB, f=1kHz)
NR circuit
*
1
(−8.2dBs)
(−6.0dBs)
(−4.7dBs)
PBOUT