PAC AP4-FD21 User manual

PAC®| Ph. 866-931-8021 | [email protected]
3DFL¿F$FFHVVRU\&RUSRUDWLRQ
www.pac-audio.com
Rev. 020717 Page 1
P ifi A C ti
$GYDQFHG$PSOL¿HU,QWHUIDFH
IRU)RUG
AP4-FD21
The AP4-FD21 provides a 6-channel pre-amp output for use with aftermarket audio equipment. Using the full range,
¿[HGOHYHOKHDGXQLWRXWSXWLQFRQMXQFWLRQZLWK&$1PHVVDJHVWKH$3)'GHOLYHUVDYDULDEOHY506SUHDPS
RXWSXWZLWKIDGLQJEDODQFHHTXDOL]DWLRQDQGOHYHOFRQWUROFDSDELOLWLHV7KHPRGXOHDOVRUHWDLQVDOODXGLRIURPRWKHU
YHKLFOHIHDWXUHVVXFKDVIDFWRU\1DYLJDWLRQ3URPSWV%OXHWRRWK6<1&DQGSDUNLQJVHQVRUFKLPHVA data controlled
UHPRWHDPSOL¿HUWXUQRQZLUHLVDOVRSURYLGHGE\WKH$3)':KHQXVHGLQFRQMXQFWLRQZLWKWKH$3$726VROG
VHSDUDWHO\WKHPRGXOHFDQSURYLGHDYDULDEOHFKDQQHO¿EHURSWLFGLJLWDODXGLRRXWSXW726/,1.
Introduction and Features
Important Notes
1. This interface is only compatible in vehicles equipped with a data bus controlled premium sound system. To verify
compatibility, look for a Sony badge on the door speakers, center speaker, or factory sub woofer. If none of these brands are
shown, check for the presence of a center speaker or sub woofer.
2. 7KHIDFWRU\DPSOL¿HUPXVWUHPDLQFRQQHFWHGDQGLQWKHYHKLFOHDIWHUWKH$PS352KDVEHHQLQVWDOOHG
3. 7KHUHPRWHRXWSXWLVUDWHGDW$RIFXUUHQW,IPRUHFXUUHQWLVQHHGHGDQH[WHUQDOUHOD\PXVWEHXVHG
4. The remote output may remain active once the key has been removed if the vehicle needs to pass chime or SYNC audio.
5. If your chimes played through the factory speakers, and all speakers have been disconnected from the factory amp, all
chimes will then play through the speaker in the dash.
6. Channels 5 and 6 are non-fading outputs. The output level of channels 5 and 6 can be controlled using the supplied level
control knob.
7. The chime volume and minimum volume levels are set to 0 dB by default. If you are happy with this level in your particular
DSSOLFDWLRQWKHQDGGLWLRQDODGMXVWPHQWLVQRWUHTXLUHG3OHDVHUHIHUWRWKH6HWXSDQG&RQ¿JXUDWLRQVHFWLRQRQSDJHIRU
more details.
8. Ford Focus: You cannot use the steering wheel controls to activate the chime and minimum volume adjustment.
9. The level control knob must be connected in order to manually adjust the chime volume and minimum volume settings.
10. 7KHIDFWRU\UDGLRVVSHHGFRQWUROOHGYROXPHDQGVXUURXQGVRXQGPRGHDUHQRWVXSSRUWHGE\WKH$3RXWSXWV
11. No adjustments can be made manually using the programming button, or the factory SWC when the module is connected to
D3&
Wiring Connection Chart
To Aftermarket
Amplier
Non-FadingRearFront
1(L) 2(R) 4(R) 5(L) 6(R)3(L)
Remote Turn On Output
2A Max Output
To Vehicle
Harness
To Radio
To LCD
Screen
Non-Fading
Level Control
Knob
To Vehicle
Harness

PAC®| Ph. 866-931-8021 | [email protected]
3DFL¿F$FFHVVRU\&RUSRUDWLRQ
www.pac-audio.com
Rev. 020717 Page 2
P ifi A C ti
$GYDQFHG$PSOL¿HU,QWHUIDFH
IRU)RUG
AP4-FD21
6HWXSDQG&RQ¿JXUDWLRQ
1. Turn the ignition on. LED 1 on the interface will turn on and the +12v remote output will turn on.
2. 6HWWKHDPSJDLQVWRWKHGHVLUHGOHYHO:HUHFRPPHQGXVLQJDQRVFLOOLVFRSHDQGWHVWWRQHVWRVHWWKHDPSJDLQV3OHDVH
UHIHUWRWKH0(&3$GYDQFHGVWXG\JXLGHSLI\RXDUHXQIDPLOLDUZLWKWKLVSURFHVV
3. Check volume, balance, fade and EQ settings.
4. If you would like to adjust the chime volume or minimum volume, do so using one of the methods outlined below. If you are
happy with the default levels, no adjustments are necessary.
0DQXDOO\6HWWLQJWKH&KLPH9ROXPH
You can manually set the level of the factory chime using either the programming button on the side of the interface or the
IDFWRU\6:&,I\RXZRXOGOLNHWRVHWWKHFKLPHYROXPHXVLQJWKH3&DSSSOHDVHSURFHHGWRWKH3&$SSVHFWLRQRQSDJH
3/($6(127(.QREPXVWEHFRQQHFWHGWRPRGXOHIRUHLWKHURIWKHIROORZLQJPHWKRGV
Installation
1. 5HPRYHIDFWRU\UDGLRDQG/&'VFUHHQ
2. Disconnect the 52-pin harness from the LCD screen and the 24-pin harness from the radio.
3. &RQQHFW$PS352KDUQHVVHVWRYHKLFOHKDUQHVVHV
4. &RQQHFW$PS352KDUQHVVHVWR/&'VFUHHQDQGIDFWRU\UDGLR
5. 6HWDQ\IHDWXUH',3VZLWFKHVWKDWDSSO\WR\RXULQVWDOO
a.',3VZLWFKLVQRWXVHG
b.6HW',3VZLWFKRQGRZQWRORZHUWKH5&$RXWSXWYROWDJHWRY/HDYH',3VZLWFKRIIXSWRNHHSWKH5&$RXWSXW
voltage at 5v. See troubleshooting section on page 4 for more details.
c. ',3VZLWFKHVDQGDUHQRWXVHG
6. ,I\RXDUHXVLQJWKH$3$726VROGVHSDUDWHO\UHIHUWRWKHLQVWUXFWLRQVLQFOXGHGZLWKWKDWSURGXFWIRULWVLQVWDOODWLRQ
7. &RQQHFWWKH$PS352KDUQHVVWRWKHPRGXOH
8. Connect the level control knob to the module and install in an accessible location.
9. &RQQHFWWKHVLJQDOFDEOHVDQGUHPRWHLQSXWIURPWKHDIWHUPDUNHWDPSOL¿HU
10. Turn vehicle off, remove the key, lock the car using the factory keyfob, and let the car sit for 10 minutes. This will ensure
WKDWWKHYHKLFOHGDWDEXVJRHVWRVOHHSDQGWKH$PS352ZLOOIXQFWLRQDVLQWHQGHG
DIP
1234
ON
No Function YY3UHRXW Troubleshooting* Troubleshooting*
12 3 4
6HW',3VZLWFKHVWRWKH21SRVLWLRQWRDFWLYDWHWKHFRUUHVSRQGLQJIHDWXUHV
6HW',3VZLWFKHVWRWKH2))SRVLWLRQIRUDQ\IHDWXUHVWKDWDUHQRWGHVLUHG
Module Layout
LED 1
Interface Connector 1
Expansion Port
TOSLINK Output
(APA-TOS1 sold separately)
Programming Button
Feature Select
DIP switches
Front Output
Ch. 1(L) and 2(R)
Non-Fading Level Control
Knob Connection
USB Connection Rear Output
Ch. 3(L) and 4(R)
Non-Fading Output
Ch. 5(L) and 6(R)
LED 2
6HHWURXEOHVKRRWLQJVHFWLRQRQSDJHIRUPRUHGHWDLOV

PAC®| Ph. 866-931-8021 | [email protected]
3DFL¿F$FFHVVRU\&RUSRUDWLRQ
www.pac-audio.com
Rev. 020717 Page 3
P ifi A C ti
$GYDQFHG$PSOL¿HU,QWHUIDFH
IRU)RUG
AP4-FD21
7HVWLQJDQG9HUL¿FDWLRQFRQW
6HWWLQJWKHFKLPHYROXPHXVLQJWKHSURJUDPPLQJEXWWRQ
1. Start with the level control knob turned all the way down (counter-clockwise).
2. 3UHVVWKHSURJUDPPLQJEXWWRQRQWKHVLGHRIWKHLQWHUIDFH
3. LED 1 will turn green and the chimes will begin continuously beeping.
4. Turn the level control knob clockwise until the desired chime level is reached.
5. <RXFDQQRZHLWKHUSUHVVWKHSURJUDPPLQJEXWWRQWZLFHRUZDLWWHQVHFRQGVWRH[LWWKHVHWWLQJV
6HWWLQJWKHFKLPHYROXPHXVLQJWKHIDFWRU\6:&7KLVPHWKRGQRWDYDLODEOHLQ)RFXV
1. Start with the level control knob turned all the way down.
2. 3UHVVDQGKROGWKHWUDFNGRZQEXWWRQRQWKHIDFWRU\6:&IRUDSSUR[LPDWHO\WHQVHFRQGV3/($6(127( The radio will
UHVSRQGWRWKH6:&FRPPDQGVGXULQJWKLVSURFHVVWKLVLVQRUPDODQGKDVQRHIIHFWRQWKH$3RSHUDWLRQ
3. LED 1 will turn green and the chimes will begin continuously beeping.
4. Turn the level control knob clockwise until the desired chime level is reached.
<RXFDQQRZHLWKHUSUHVVWKHSURJUDPPLQJEXWWRQWZLFHRUZDLWWHQVHFRQGVWRH[LWWKHVHWWLQJV
0DQXDOO\6HWWLQJWKH0LQLPXP9ROXPH
If the minimum volume of the radio (factory radio volume level 1) is too loud, you can manually set the level of the minimum
volume using either the programming button on the side of the interface or the factory SWC. If you would like to set the
PLQLPXPYROXPHXVLQJWKH$PS352DSSSOHDVHSURFHHGWRWKH$PS352$SSVHFWLRQRQSDJH
3/($6(127(/HYHOFRQWURONQREPXVWEHFRQQHFWHGWRPRGXOHIRUHLWKHURIWKHIROORZLQJPHWKRGV
6HWWLQJWKHPLQLPXPYROXPHXVLQJWKHSURJUDPPLQJEXWWRQ
1. Start with the level control knob turned all the way down (counter-clockwise).
2. Set the amp gains to the desired level.
3. Set the volume on the factory radio to 1.
4. 3UHVVWKHSURJUDPPLQJEXWWRQRQWKHVLGHRIWKHLQWHUIDFHWZLFH
5. /('ZLOOWXUQDPEHUDQGWKHFKLPHVZLOOEHJLQEHHSLQJHYHU\¿YHVHFRQGV
6. Turn the level control knob clockwise until the desired minimum volume level is reached.
7. <RXFDQQRZHLWKHUSUHVVWKHSURJUDPPLQJEXWWRQRQFHRUZDLWWHQVHFRQGVWRH[LWWKHVHWWLQJV
6HWWLQJWKHPLQLPXPYROXPHXVLQJWKHIDFWRU\6:&7KLVPHWKRGQRWDYDLODEOHLQ)RFXV
1. Start with the level control knob turned all the way down (counter-clockwise).
2. Set the amp gains to the desired level.
3. Set the volume on the factory radio to 1.
4. 3UHVVDQGKROGWKHWUDFNXSEXWWRQRQWKHIDFWRU\6:&IRUDSSUR[LPDWHO\WHQVHFRQGV3/($6(127(The radio will
UHVSRQGWRWKH6:&FRPPDQGVGXULQJWKLVSURFHVVWKLVLVQRUPDODQGKDVQRHIIHFWRQWKH$3RSHUDWLRQ
5. /('ZLOOWXUQDPEHUDQGWKHFKLPHVZLOOEHJLQEHHSLQJHYHU\¿YHVHFRQGV
6. Turn the level control knob clockwise until the desired minimum volume level is reached.
7. <RXFDQQRZHLWKHUSUHVVWKHSURJUDPPLQJEXWWRQRQFHRUZDLWWHQVHFRQGVWRH[LWWKHVHWWLQJV
8VHRIWKH$PS352$SSDOORZV
you to do the following:
• &RQ¿JXUH8VHU,QWHUIDFH2SWLRQVVXFK
as:
• Minimum Volume Level
• Chime Volume Level
• (QDEOH'LVDEOH$3&KLPHV
• Enable / Disable factory EQ
• Bass / Mid / Treble boost frequencies
and Q factor
• 8SGDWH3URGXFW)LUPZDUH
• 5HDG)LUPZDUH+DUGZDUH9HUVLRQV
• <RXFDQGRZQORDGWKH$PS352DSSDW
KWWSDDPSJOREDOFRPDSSGRZQORDGV
$PS352$SS

PAC®| Ph. 866-931-8021 | [email protected]
3DFL¿F$FFHVVRU\&RUSRUDWLRQ
www.pac-audio.com
Rev. 020717 Page 4
P ifi A C ti
$GYDQFHG$PSOL¿HU,QWHUIDFH
IRU)RUG
AP4-FD21
$PS352$SSFRQW
3/($6(127(7KHVHVHWWLQJVFDQEHDGMXVWHGZLWKWKHPRGXOHLQVWDOOHGLQWKHYHKLFOHRURQWKHEHQFK+RZHYHULWLV
UHFRPPHQGHGWRPDNHWKHDGMXVWPHQWVZLWKWKHPRGXOHLQVWDOOHGDQGWKHIDFWRU\UDGLRRQVRWKDWWKHFKDQJHVFDQEH
heard.
0LQLPXP9ROXPH/HYHOThis allows you to set the minimum volume level of the factory radio (factory radio volume level 1).
&KLPH9ROXPH/HYHO7KLVDOORZV\RXWRVHWWKHYROXPHRIWKH$3FKLPHVLHSDUNVHQVRUV
&KLPHV(QDEOHG7KLVDOORZV\RXWRHQDEOHGLVDEOH$3FKLPHVLHSDUNVHQVRUV7KLVLVXVHGZKHQPL[LQJIDFWRU\DQG
aftermarket speakers.
%DQG(4(QDEOHG This allows you to enable / disable the 3 band factory EQ.
%DVV0LG7UHEOH)UHT4)DFWRU This allows you to set the center frequency that will be adjusted when setting the 3 band
factory EQ, as well as the Q Factor for each frequency. The Q Factor determines how many of the adjacent frequencies will be
affected when adjusting the selected frequency. The lower the Q Factor, the more frequencies will be affected.
60HZ 500HZ 7.5KHZ
80HZ 1KHZ 10KHZ
100HZ 1.5KHZ 12.5KHZ
120HZ 2.5KHZ 15KHZ
0.50 0.75
1.00 1.00
1.50 1.25
2.00 1.50
Bass Frequency Mid Frequency Treble Frequency
Available Frequencies and Q Factors
Bass Q Factor Mid Q Factor Treble Q Factor 0.75
1.25
Firmware Updates
7KH$PS352DSSZLOODOVRDOORZ\RXWRXSGDWHWKHLQWHUIDFHZLWKQHZ¿UPZDUHDVLWEHFRPHVDYDLODEOH3OHDVHYLVLW
ZZZSDFDXGLRFRPRUFRQWDFWRXUWHFKVXSSRUWGHSDUWPHQWWRVHHLIWKHUHLVD¿UPZDUHXSGDWHIRU\RXULQWHUIDFH
&RQQHFWWKHLQWHUIDFHWR\RXU3&DQGVHOHFW)LUPZDUHWKHQ³8SGDWH)LUPZDUH´1RZVHOHFW³6HOHFW)LOH´)LQDOO\EURZVHWRWKH
SODFHZKHUH\RXVDYHGWKH¿OHDQGVHOHFWLW7KLVZLOOEHJLQWKHXSGDWLQJSURFHVV2QFH¿QLVKHGGLVFRQQHFWWKHLQWHUIDFHIURP
WKH3&DQGUHVXPHQRUPDORSHUDWLRQ

PAC®| Ph. 866-931-8021 | [email protected]
3DFL¿F$FFHVVRU\&RUSRUDWLRQ
www.pac-audio.com
Rev. 020717 Page 5
P ifi A C ti
$GYDQFHG$PSOL¿HU,QWHUIDFH
IRU)RUG
AP4-FD21
5HVWRULQJ)DFWRU\6HWWLQJV
You can restore the interface to factory default settings by pressing and holding the programming button on the side of the module
XQWLOWKHVWDWXV/('VVWDUWEOLQNLQJUHG2QFHWKH/('VVWDUWEOLQNLQJUHGUHOHDVHWKHEXWWRQ
This reset will restore the following settings to their factory defaults:
• Chime volume level
• Enable / Disable Factory Chimes
• Minimum volume level
• Enable / Disable factory EQ
• Factory EQ frequency
• Factory EQ Q factor
Troubleshooting
1. +LVVDWKLJKDPSJDLQ6HWIHDWXUH',3VZLWFKWRWKHRQGRZQSRVLWLRQWRORZHUWKHRXWSXWYROWDJHRIWKH$3WRY,I\RX
still hear the hiss, lower your amp gains until the hiss is gone.
2. &DQQRWKHDU6<1&RUQDYYRLFH8VHWKHYROXPHNQREZKLOHHLWKHURIWKHVHYRLFHSURPSWVDUHDFWLYHWRDGMXVWYRLFHYROXPH
3. &DQQRWKHDUFKLPHV6HWFKLPHYROXPHXVLQJSURFHVVRXWOLQHGLQ6HWXSDQG&RQ¿JXUDWLRQRUXVLQJWKH$PS352DSSOLFDWLRQ
,I\RXVWLOOGRQRWKHDUFKLPHVEHVXUHWKDW\RXDUHXVLQJWKHUHPRWHRXWSXWIURPWKH$3WRWXUQRQ\RXUDIWHUPDUNHWDPSOL¿HU
4. /RZYROXPHVHWWLQJRQUDGLRLVWRRORXG6HWPLQLPXPYROXPHXVLQJSURFHVVRXWOLQHGLQ6HWXSDQG&RQ¿JXUDWLRQRUXVLQJWKH
$PS352DSSOLFDWLRQ
5. 6<1&RU%OXHWRRWKYRLFHLVFXWWLQJRIIWRRHDUO\6HWIHDWXUH',3VZLWFKWRWKHRQGRZQSRVLWLRQ
6. $IWHUXVLQJ6<1&RU%OXHWRRWKWKHYROXPHNQREEHFRPHVXQUHVSRQVLYH6HWIHDWXUH',3VZLWFKWRWKHRQGRZQSRVLWLRQ
Action / Color During Normal Operation
Solid Red Module Active
Solid Green Chime Volume Adjustment Mode
Solid Amber Minimum Volume Adjustment Mode
Rapid Blink Any Color DSP Activity
LED2 Blink Amber USB Connection Detected
Both LEDs Alternate Blinking Red Performing eprom reset
LED Legend
LED 1