[Oct/17/99]

Mahjong Quest (c)1991 Whiteboard/Taito

K1100637A (F2 System sub board)

c77-01 - SCR1 (IC17, 838200)
c77-02 - SCR2 (IC18, 838200)
c77-03 - SOUND (IC8, 534000)
c77-04 - PR1  (IC12, 534000)
c77-05 - OBJ  (IC16, 534000)

c77-06 - (IC28, PAL16L8B) - Not dumped
c77-07 - (IC29, PAL16L8B) /

c77-08 - PR 0L (IC6, 271001)
c77-09 - PR 0H (IC7, 271001)
c77-10 - Sound PRG (IC21, 27512)

Custom chips:
TC0110PCR (IC1, 100pin)
TC0070RGB (IC11, 28pin)

This game uses standard mahjong connector (split type).




[Jun/08/99]

Mahjong control panel
---------------------
Connector of game PCB
---------------------

 solder   |  parts
-------------------------
1p/2p 3  A| 1 1p/2p 2
1p/2p 6  B| 2 1p/2p 10
1p/2p 7  C| 3
         D| 4 Coin counter (+12V)
 GND     E| 5 GND
service  F| 6
         H| 7 Test SW
Red      J| 8 Green
Blue     K| 9 Sync
speaker+ L|10 speaker-
1p    4  M|11 2p    4
      5  N|12       5
      8  P|13       8
      9  R|14       9
     11  S|15      11
      1  T|16       1
         U|17 Coin SW
         Y|18
 GND     W|19 GND
 GND     X|20 GND
 +5V     Y|21 +5V
 +5V     Z|22 +5V
 +12V    a|23 +12V
         b|24
 +5V     c|25 +5V
 +5V     d|26 +5V
 GND     e|27 GND
 GND     f|28 GND

----------
Key matrix
----------

  +-----------------------------1p/2p 7
  |
  |     +-----------------------1p/2p 10
  |     |
  |     |     +-----------------1p/2p 6
  |     |     |
  |     |     |     +-----------1p/2p 2
  |     |     |     |
  |     |     |     |     +-----1p/2p 3
  |     |     |     |     |
(Lst)-( D )-( C )-( B )-( A )---1p 4
(Tak)-( H )-( G )-( F )-( E )---1p 5
(Dbl)-( L )-( K )-( J )-( I )---1p 8
(Flp)-(Pon)-(Chi)-( N )-( M )---1p 9
(Big)---+---(Ron)-(Rch)-(Kan)---1p 11
(Sml)---+-----+---(Bet)-(Str)---1p 1
  |     |     |     |     |
(Lst)-( D )-( C )-( B )-( A )---2p 4
(Tak)-( H )-( G )-( F )-( E )---2p 5
(Dbl)-( L )-( K )-( J )-( I )---2p 8
(Flp)-(Pon)-(Chi)-( N )-( M )---2p 9
(Big)---+---(Ron)-(Rch)-(Kan)---2p 11
(Sml)---+-----+---(Bet)-(Str)---2p 1

Lst = Last
Tak = Take
Dbl = Double  
Flp = Flip
Big = Big
Sml = Small
Pon = Pon
Chi = Chi
Ron = Ron
Rch = Reach
Bet = Bet
Kan = Kan
Str = Start

Almost all mahjong games (from Janputer to newest ones) use this.

-